diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_page')
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page.cpp | 1047 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp | 1401 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp | 647 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp | 886 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp | 707 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp | 116 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp | 1681 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_parser_new.cpp | 822 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp | 1146 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp | 52 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp | 278 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/pageint.h | 505 |
12 files changed, 9288 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp new file mode 100644 index 0000000000..232e5619a7 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp @@ -0,0 +1,1047 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "pageint.h"
+void CPDF_PageObject::Release()
+{
+ delete this;
+}
+CPDF_PageObject* CPDF_PageObject::Create(int type)
+{
+ switch (type) {
+ case PDFPAGE_TEXT:
+ return FX_NEW CPDF_TextObject;
+ case PDFPAGE_IMAGE:
+ return FX_NEW CPDF_ImageObject;
+ case PDFPAGE_PATH:
+ return FX_NEW CPDF_PathObject;
+ case PDFPAGE_SHADING:
+ return FX_NEW CPDF_ShadingObject;
+ case PDFPAGE_FORM:
+ return FX_NEW CPDF_FormObject;
+ }
+ return NULL;
+}
+CPDF_PageObject* CPDF_PageObject::Clone() const
+{
+ CPDF_PageObject* pObj = Create(m_Type);
+ pObj->Copy(this);
+ return pObj;
+}
+void CPDF_PageObject::Copy(const CPDF_PageObject* pSrc)
+{
+ if (m_Type != pSrc->m_Type) {
+ return;
+ }
+ CopyData(pSrc);
+ CopyStates(*pSrc);
+ m_Left = pSrc->m_Left;
+ m_Right = pSrc->m_Right;
+ m_Top = pSrc->m_Top;
+ m_Bottom = pSrc->m_Bottom;
+}
+void CPDF_PageObject::AppendClipPath(CPDF_Path path, int type, FX_BOOL bAutoMerge)
+{
+ m_ClipPath.AppendPath(path, type, bAutoMerge);
+}
+void CPDF_PageObject::CopyClipPath(CPDF_PageObject* pObj)
+{
+ m_ClipPath = pObj->m_ClipPath;
+}
+void CPDF_PageObject::RemoveClipPath()
+{
+ m_ClipPath.SetNull();
+}
+void CPDF_PageObject::RecalcBBox()
+{
+ switch (m_Type) {
+ case PDFPAGE_TEXT:
+ ((CPDF_TextObject*)this)->RecalcPositionData();
+ break;
+ case PDFPAGE_PATH:
+ ((CPDF_PathObject*)this)->CalcBoundingBox();
+ break;
+ case PDFPAGE_SHADING:
+ ((CPDF_ShadingObject*)this)->CalcBoundingBox();
+ break;
+ }
+}
+void CPDF_PageObject::TransformClipPath(CFX_AffineMatrix& matrix)
+{
+ if (m_ClipPath.IsNull()) {
+ return;
+ }
+ m_ClipPath.GetModify();
+ m_ClipPath.Transform(matrix);
+}
+void CPDF_PageObject::TransformGeneralState(CFX_AffineMatrix& matrix)
+{
+ if(m_GeneralState.IsNull()) {
+ return;
+ }
+ CPDF_GeneralStateData* pGS = m_GeneralState.GetModify();
+ pGS->m_Matrix.Concat(matrix);
+}
+FX_RECT CPDF_PageObject::GetBBox(const CFX_AffineMatrix* pMatrix) const
+{
+ CFX_FloatRect rect(m_Left, m_Bottom, m_Right, m_Top);
+ if (pMatrix) {
+ pMatrix->TransformRect(rect);
+ }
+ return rect.GetOutterRect();
+}
+CPDF_TextObject::CPDF_TextObject()
+{
+ m_Type = PDFPAGE_TEXT;
+ m_pCharCodes = NULL;
+ m_pCharPos = NULL;
+ m_nChars = 0;
+ m_PosX = m_PosY = 0;
+}
+CPDF_TextObject::~CPDF_TextObject()
+{
+ if (m_nChars > 1 && m_pCharCodes) {
+ FX_Free(m_pCharCodes);
+ }
+ if (m_pCharPos) {
+ FX_Free(m_pCharPos);
+ }
+}
+void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const
+{
+ pInfo->m_CharCode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[index];
+ pInfo->m_OriginX = index ? m_pCharPos[index - 1] : 0;
+ pInfo->m_OriginY = 0;
+ if (pInfo->m_CharCode == -1) {
+ return;
+ }
+ CPDF_Font* pFont = m_TextState.GetFont();
+ if (pFont->GetFontType() != PDFFONT_CIDFONT) {
+ return;
+ }
+ if (!((CPDF_CIDFont*)pFont)->IsVertWriting()) {
+ return;
+ }
+ FX_WORD CID = ((CPDF_CIDFont*)pFont)->CIDFromCharCode(pInfo->m_CharCode);
+ pInfo->m_OriginY = pInfo->m_OriginX;
+ pInfo->m_OriginX = 0;
+ short vx, vy;
+ ((CPDF_CIDFont*)pFont)->GetVertOrigin(CID, vx, vy);
+ FX_FLOAT fontsize = m_TextState.GetFontSize();
+ pInfo->m_OriginX -= fontsize * vx / 1000;
+ pInfo->m_OriginY -= fontsize * vy / 1000;
+}
+int CPDF_TextObject::CountChars() const
+{
+ if (m_nChars == 1) {
+ return 1;
+ }
+ int count = 0;
+ for (int i = 0; i < m_nChars; i ++)
+ if (m_pCharCodes[i] != (FX_DWORD) - 1) {
+ count ++;
+ }
+ return count;
+}
+void CPDF_TextObject::GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const
+{
+ if (m_nChars == 1) {
+ charcode = (FX_DWORD)(FX_UINTPTR)m_pCharCodes;
+ kerning = 0;
+ return;
+ }
+ int count = 0;
+ for (int i = 0; i < m_nChars; i ++) {
+ if (m_pCharCodes[i] != (FX_DWORD) - 1) {
+ if (count == index) {
+ charcode = m_pCharCodes[i];
+ if (i == m_nChars - 1 || m_pCharCodes[i + 1] != (FX_DWORD) - 1) {
+ kerning = 0;
+ } else {
+ kerning = m_pCharPos[i];
+ }
+ return;
+ }
+ count ++;
+ }
+ }
+}
+void CPDF_TextObject::GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const
+{
+ if (m_nChars == 1) {
+ GetItemInfo(0, pInfo);
+ return;
+ }
+ int count = 0;
+ for (int i = 0; i < m_nChars; i ++) {
+ FX_DWORD charcode = m_pCharCodes[i];
+ if (charcode == (FX_DWORD) - 1) {
+ continue;
+ }
+ if (count == index) {
+ GetItemInfo(i, pInfo);
+ break;
+ }
+ count ++;
+ }
+}
+void CPDF_TextObject::CopyData(const CPDF_PageObject* pSrc)
+{
+ const CPDF_TextObject* pSrcObj = (const CPDF_TextObject*)pSrc;
+ if (m_nChars > 1 && m_pCharCodes) {
+ FX_Free(m_pCharCodes);
+ m_pCharCodes = NULL;
+ }
+ if (m_pCharPos) {
+ FX_Free(m_pCharPos);
+ m_pCharPos = NULL;
+ }
+ m_nChars = pSrcObj->m_nChars;
+ if (m_nChars > 1) {
+ m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars);
+ m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1);
+ int i;
+ for (i = 0; i < m_nChars; i ++) {
+ m_pCharCodes[i] = pSrcObj->m_pCharCodes[i];
+ }
+ for (i = 0; i < m_nChars - 1; i ++) {
+ m_pCharPos[i] = pSrcObj->m_pCharPos[i];
+ }
+ } else {
+ m_pCharCodes = pSrcObj->m_pCharCodes;
+ }
+ m_PosX = pSrcObj->m_PosX;
+ m_PosY = pSrcObj->m_PosY;
+}
+void CPDF_TextObject::GetTextMatrix(CFX_AffineMatrix* pMatrix) const
+{
+ FX_FLOAT* pTextMatrix = m_TextState.GetMatrix();
+ pMatrix->Set(pTextMatrix[0], pTextMatrix[2], pTextMatrix[1], pTextMatrix[3], m_PosX, m_PosY);
+}
+void CPDF_TextObject::SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nsegs)
+{
+ if (m_nChars > 1 && m_pCharCodes) {
+ FX_Free(m_pCharCodes);
+ m_pCharCodes = NULL;
+ }
+ if (m_pCharPos) {
+ FX_Free(m_pCharPos);
+ m_pCharPos = NULL;
+ }
+ CPDF_Font* pFont = m_TextState.GetFont();
+ m_nChars = 0;
+ for (int i = 0; i < nsegs; i ++) {
+ m_nChars += pFont->CountChar(pStrs[i], pStrs[i].GetLength());
+ }
+ m_nChars += nsegs - 1;
+ if (m_nChars > 1) {
+ m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars);
+ m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1);
+ int index = 0;
+ for (int i = 0; i < nsegs; i ++) {
+ FX_LPCSTR segment = pStrs[i];
+ int offset = 0, len = pStrs[i].GetLength();
+ while (offset < len) {
+ m_pCharCodes[index++] = pFont->GetNextChar(segment, offset);
+ }
+ if (i != nsegs - 1) {
+ m_pCharPos[index - 1] = pKerning[i];
+ m_pCharCodes[index ++] = (FX_DWORD) - 1;
+ }
+ }
+ } else {
+ int offset = 0;
+ m_pCharCodes = (FX_DWORD*)(FX_UINTPTR)pFont->GetNextChar(pStrs[0], offset);
+ }
+}
+void CPDF_TextObject::SetText(const CFX_ByteString& str)
+{
+ SetSegments(&str, NULL, 1);
+ RecalcPositionData();
+}
+void CPDF_TextObject::SetEmpty()
+{
+ if (m_nChars > 1 && m_pCharCodes) {
+ FX_Free(m_pCharCodes);
+ }
+ if (m_nChars > 1 && m_pCharPos) {
+ FX_Free(m_pCharPos);
+ }
+ m_nChars = 0;
+ m_pCharCodes = NULL;
+ m_pCharPos = NULL;
+ m_Left = m_Right = m_PosX;
+ m_Top = m_Bottom = m_PosY;
+}
+void CPDF_TextObject::SetText(CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs)
+{
+ SetSegments(pStrs, pKerning, nSegs);
+ RecalcPositionData();
+}
+void CPDF_TextObject::SetText(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pKernings)
+{
+ if (m_nChars > 1 && m_pCharCodes) {
+ FX_Free(m_pCharCodes);
+ m_pCharCodes = NULL;
+ }
+ if (m_pCharPos) {
+ FX_Free(m_pCharPos);
+ m_pCharPos = NULL;
+ }
+ int nKernings = 0;
+ int i;
+ for (i = 0; i < nChars - 1; i ++)
+ if (pKernings[i] != 0) {
+ nKernings ++;
+ }
+ m_nChars = nChars + nKernings;
+ if (m_nChars > 1) {
+ m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars);
+ m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1);
+ int index = 0;
+ for (int i = 0; i < nChars; i ++) {
+ m_pCharCodes[index++] = pCharCodes[i];
+ if (pKernings[i] != 0 && i != nChars - 1) {
+ m_pCharCodes[index] = (FX_DWORD) - 1;
+ m_pCharPos[index - 1] = pKernings[i];
+ index ++;
+ }
+ }
+ } else {
+ int offset = 0;
+ m_pCharCodes = (FX_DWORD*)(FX_UINTPTR)pCharCodes[0];
+ }
+ RecalcPositionData();
+}
+FX_FLOAT CPDF_TextObject::GetCharWidth(FX_DWORD charcode) const
+{
+ FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000;
+ CPDF_Font* pFont = m_TextState.GetFont();
+ FX_BOOL bVertWriting = FALSE;
+ CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
+ if (pCIDFont) {
+ bVertWriting = pCIDFont->IsVertWriting();
+ }
+ if (!bVertWriting) {
+ return pFont->GetCharWidthF(charcode, 0) * fontsize;
+ } else {
+ FX_WORD CID = pCIDFont->CIDFromCharCode(charcode);
+ return pCIDFont->GetVertWidth(CID) * fontsize;
+ }
+}
+FX_FLOAT CPDF_TextObject::GetSpaceCharWidth() const
+{
+ CPDF_Font* pFont = m_TextState.GetFont();
+ FX_DWORD charCode = m_TextState.GetFont()->CharCodeFromUnicode(32);
+ if (charCode != (FX_DWORD) - 1) {
+ return GetCharWidth(charCode);
+ }
+ FX_FLOAT fontSize = m_TextState.GetFontSize() / 4000.0f;
+ FX_BOOL bVertWriting = FALSE;
+ CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
+ if (pCIDFont) {
+ bVertWriting = pCIDFont->IsVertWriting();
+ }
+ FX_RECT fontRect;
+ pFont->GetFontBBox(fontRect);
+ fontSize *= bVertWriting ? (FX_FLOAT)fontRect.Height() : (FX_FLOAT)fontRect.Width();
+ return fontSize;
+}
+void CPDF_TextObject::GetCharRect(int index, CFX_FloatRect& rect) const
+{
+ FX_FLOAT curpos = 0;
+ CPDF_Font* pFont = m_TextState.GetFont();
+ FX_BOOL bVertWriting = FALSE;
+ CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
+ if (pCIDFont) {
+ bVertWriting = pCIDFont->IsVertWriting();
+ }
+ FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000;
+ int count = 0;
+ for (int i = 0; i < m_nChars; i ++) {
+ FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[i];
+ if (charcode == (FX_DWORD) - 1) {
+ continue;
+ }
+ if( count != index) {
+ count++;
+ continue;
+ }
+ FX_FLOAT curpos = i > 0 ? m_pCharPos[i - 1] : 0;
+ FX_RECT char_rect;
+ pFont->GetCharBBox(charcode, char_rect, 0);
+ if (!bVertWriting) {
+ rect.left = curpos + char_rect.left * fontsize;
+ rect.right = curpos + char_rect.right * fontsize;
+ rect.top = char_rect.top * fontsize;
+ rect.bottom = char_rect.bottom * fontsize;
+ } else {
+ FX_WORD CID = pCIDFont->CIDFromCharCode(charcode);
+ short vx, vy;
+ pCIDFont->GetVertOrigin(CID, vx, vy);
+ char_rect.left -= vx;
+ char_rect.right -= vx;
+ char_rect.top -= vy;
+ char_rect.bottom -= vy;
+ rect.left = char_rect.left * fontsize;
+ rect.right = char_rect.right * fontsize;
+ rect.top = curpos + char_rect.top * fontsize;
+ rect.bottom = curpos + char_rect.bottom * fontsize;
+ }
+ return;
+ }
+}
+void CPDF_TextObject::CalcPositionData(FX_FLOAT* pTextAdvanceX, FX_FLOAT* pTextAdvanceY, FX_FLOAT horz_scale, int level)
+{
+ FX_FLOAT curpos = 0;
+ FX_FLOAT min_x = 10000 * 1.0f, max_x = -10000 * 1.0f, min_y = 10000 * 1.0f, max_y = -10000 * 1.0f;
+ CPDF_Font* pFont = m_TextState.GetFont();
+ FX_BOOL bVertWriting = FALSE;
+ CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
+ if (pCIDFont) {
+ bVertWriting = pCIDFont->IsVertWriting();
+ }
+ FX_FLOAT fontsize = m_TextState.GetFontSize();
+ for (int i = 0; i < m_nChars; i ++) {
+ FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[i];
+ if (charcode == (FX_DWORD) - 1) {
+ curpos -= FXSYS_Mul(m_pCharPos[i - 1], fontsize) / 1000;
+ continue;
+ }
+ if (i) {
+ m_pCharPos[i - 1] = curpos;
+ }
+ FX_RECT char_rect;
+ pFont->GetCharBBox(charcode, char_rect, level);
+ FX_FLOAT charwidth;
+ if (!bVertWriting) {
+ if (min_y > char_rect.top) {
+ min_y = (FX_FLOAT)char_rect.top;
+ }
+ if (max_y < char_rect.top) {
+ max_y = (FX_FLOAT)char_rect.top;
+ }
+ if (min_y > char_rect.bottom) {
+ min_y = (FX_FLOAT)char_rect.bottom;
+ }
+ if (max_y < char_rect.bottom) {
+ max_y = (FX_FLOAT)char_rect.bottom;
+ }
+ FX_FLOAT char_left = curpos + char_rect.left * fontsize / 1000;
+ FX_FLOAT char_right = curpos + char_rect.right * fontsize / 1000;
+ if (min_x > char_left) {
+ min_x = char_left;
+ }
+ if (max_x < char_left) {
+ max_x = char_left;
+ }
+ if (min_x > char_right) {
+ min_x = char_right;
+ }
+ if (max_x < char_right) {
+ max_x = char_right;
+ }
+ charwidth = pFont->GetCharWidthF(charcode, level) * fontsize / 1000;
+ } else {
+ FX_WORD CID = pCIDFont->CIDFromCharCode(charcode);
+ short vx, vy;
+ pCIDFont->GetVertOrigin(CID, vx, vy);
+ char_rect.left -= vx;
+ char_rect.right -= vx;
+ char_rect.top -= vy;
+ char_rect.bottom -= vy;
+ if (min_x > char_rect.left) {
+ min_x = (FX_FLOAT)char_rect.left;
+ }
+ if (max_x < char_rect.left) {
+ max_x = (FX_FLOAT)char_rect.left;
+ }
+ if (min_x > char_rect.right) {
+ min_x = (FX_FLOAT)char_rect.right;
+ }
+ if (max_x < char_rect.right) {
+ max_x = (FX_FLOAT)char_rect.right;
+ }
+ FX_FLOAT char_top = curpos + char_rect.top * fontsize / 1000;
+ FX_FLOAT char_bottom = curpos + char_rect.bottom * fontsize / 1000;
+ if (min_y > char_top) {
+ min_y = char_top;
+ }
+ if (max_y < char_top) {
+ max_y = char_top;
+ }
+ if (min_y > char_bottom) {
+ min_y = char_bottom;
+ }
+ if (max_y < char_bottom) {
+ max_y = char_bottom;
+ }
+ charwidth = pCIDFont->GetVertWidth(CID) * fontsize / 1000;
+ }
+ curpos += charwidth;
+ if (charcode == ' ' && (pCIDFont == NULL || pCIDFont->GetCharSize(32) == 1)) {
+ curpos += m_TextState.GetObject()->m_WordSpace;
+ }
+ curpos += m_TextState.GetObject()->m_CharSpace;
+ }
+ if (bVertWriting) {
+ if (pTextAdvanceX) {
+ *pTextAdvanceX = 0;
+ }
+ if (pTextAdvanceY) {
+ *pTextAdvanceY = curpos;
+ }
+ min_x = min_x * fontsize / 1000;
+ max_x = max_x * fontsize / 1000;
+ } else {
+ if (pTextAdvanceX) {
+ *pTextAdvanceX = FXSYS_Mul(curpos, horz_scale);
+ }
+ if (pTextAdvanceY) {
+ *pTextAdvanceY = 0;
+ }
+ min_y = min_y * fontsize / 1000;
+ max_y = max_y * fontsize / 1000;
+ }
+ CFX_AffineMatrix matrix;
+ GetTextMatrix(&matrix);
+ m_Left = min_x;
+ m_Right = max_x;
+ m_Bottom = min_y;
+ m_Top = max_y;
+ matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+ int textmode = m_TextState.GetObject()->m_TextMode;
+ if (textmode == 1 || textmode == 2 || textmode == 5 || textmode == 6) {
+ FX_FLOAT half_width = m_GraphState.GetObject()->m_LineWidth / 2;
+ m_Left -= half_width;
+ m_Right += half_width;
+ m_Top += half_width;
+ m_Bottom -= half_width;
+ }
+}
+void CPDF_TextObject::CalcCharPos(FX_FLOAT* pPosArray) const
+{
+ FX_FLOAT curpos = 0;
+ int count = 0;
+ CPDF_Font* pFont = m_TextState.GetFont();
+ FX_BOOL bVertWriting = FALSE;
+ CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
+ if (pCIDFont) {
+ bVertWriting = pCIDFont->IsVertWriting();
+ }
+ FX_FLOAT fontsize = m_TextState.GetFontSize();
+ int index = 0;
+ for (int i = 0; i < m_nChars; i ++) {
+ FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[i];
+ if (charcode == (FX_DWORD) - 1) {
+ continue;
+ }
+ pPosArray[index++] = i ? m_pCharPos[i - 1] : 0;
+ FX_FLOAT charwidth;
+ if (bVertWriting) {
+ FX_WORD CID = pCIDFont->CIDFromCharCode(charcode);
+ charwidth = pCIDFont->GetVertWidth(CID) * fontsize / 1000;
+ } else {
+ charwidth = pFont->GetCharWidthF(charcode) * fontsize / 1000;
+ }
+ pPosArray[index] = pPosArray[index - 1] + charwidth;
+ index++;
+ }
+}
+void CPDF_TextObject::Transform(const CFX_AffineMatrix& matrix)
+{
+ m_TextState.GetModify();
+ CFX_AffineMatrix text_matrix;
+ GetTextMatrix(&text_matrix);
+ text_matrix.Concat(matrix);
+ FX_FLOAT* pTextMatrix = m_TextState.GetMatrix();
+ pTextMatrix[0] = text_matrix.GetA();
+ pTextMatrix[1] = text_matrix.GetC();
+ pTextMatrix[2] = text_matrix.GetB();
+ pTextMatrix[3] = text_matrix.GetD();
+ m_PosX = text_matrix.GetE();
+ m_PosY = text_matrix.GetF();
+ CalcPositionData(NULL, NULL, 0);
+}
+void CPDF_TextObject::SetPosition(FX_FLOAT x, FX_FLOAT y)
+{
+ FX_FLOAT dx = x - m_PosX;
+ FX_FLOAT dy = y - m_PosY;
+ m_PosX = x;
+ m_PosY = y;
+ m_Left += dx;
+ m_Right += dx;
+ m_Top += dy;
+ m_Bottom += dy;
+}
+void CPDF_TextObject::SetData(int nChars, FX_DWORD* pCharCodes, FX_FLOAT* pCharPos, FX_FLOAT x, FX_FLOAT y)
+{
+ ASSERT(m_nChars == 0);
+ m_nChars = nChars;
+ m_PosX = x;
+ m_PosY = y;
+ if (nChars == 0) {
+ return;
+ }
+ if (nChars == 1) {
+ m_pCharCodes = (FX_DWORD*)(FX_UINTPTR) * pCharCodes;
+ } else {
+ m_pCharCodes = FX_Alloc(FX_DWORD, nChars);
+ FXSYS_memcpy32(m_pCharCodes, pCharCodes, sizeof(FX_DWORD)*nChars);
+ m_pCharPos = FX_Alloc(FX_FLOAT, nChars - 1);
+ FXSYS_memcpy32(m_pCharPos, pCharPos, sizeof(FX_FLOAT) * (nChars - 1));
+ }
+ RecalcPositionData();
+}
+void CPDF_TextObject::SetTextState(CPDF_TextState TextState)
+{
+ m_TextState = TextState;
+ CalcPositionData(NULL, NULL, 0);
+}
+CPDF_ShadingObject::CPDF_ShadingObject()
+{
+ m_pShading = NULL;
+ m_Type = PDFPAGE_SHADING;
+}
+CPDF_ShadingObject::~CPDF_ShadingObject()
+{
+ CPDF_ShadingPattern* pShading = m_pShading;
+ if (pShading && pShading->m_pDocument) {
+ pShading->m_pDocument->GetPageData()->ReleasePattern(pShading->m_pShadingObj);
+ }
+}
+void CPDF_ShadingObject::CopyData(const CPDF_PageObject* pSrc)
+{
+ CPDF_ShadingObject* pSrcObj = (CPDF_ShadingObject*)pSrc;
+ m_pShading = pSrcObj->m_pShading;
+ if (m_pShading && m_pShading->m_pDocument) {
+ CPDF_DocPageData* pDocPageData = m_pShading->m_pDocument->GetPageData();
+ m_pShading = (CPDF_ShadingPattern*)pDocPageData->GetPattern(m_pShading->m_pShadingObj, m_pShading->m_bShadingObj, &m_pShading->m_ParentMatrix);
+ }
+ m_Matrix = pSrcObj->m_Matrix;
+}
+void CPDF_ShadingObject::Transform(const CFX_AffineMatrix& matrix)
+{
+ if (!m_ClipPath.IsNull()) {
+ m_ClipPath.GetModify();
+ m_ClipPath.Transform(matrix);
+ }
+ m_Matrix.Concat(matrix);
+ if (!m_ClipPath.IsNull()) {
+ CalcBoundingBox();
+ } else {
+ matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+ }
+}
+void CPDF_ShadingObject::CalcBoundingBox()
+{
+ if (m_ClipPath.IsNull()) {
+ return;
+ }
+ CFX_FloatRect rect = m_ClipPath.GetClipBox();
+ m_Left = rect.left;
+ m_Bottom = rect.bottom;
+ m_Right = rect.right;
+ m_Top = rect.top;
+}
+CPDF_FormObject::~CPDF_FormObject()
+{
+ if (m_pForm) {
+ delete m_pForm;
+ }
+}
+void CPDF_FormObject::Transform(const CFX_AffineMatrix& matrix)
+{
+ m_FormMatrix.Concat(matrix);
+ CalcBoundingBox();
+}
+void CPDF_FormObject::CopyData(const CPDF_PageObject* pSrc)
+{
+ const CPDF_FormObject* pSrcObj = (const CPDF_FormObject*)pSrc;
+ if (m_pForm) {
+ delete m_pForm;
+ }
+ m_pForm = pSrcObj->m_pForm->Clone();
+ m_FormMatrix = pSrcObj->m_FormMatrix;
+}
+void CPDF_FormObject::CalcBoundingBox()
+{
+ CFX_FloatRect form_rect = m_pForm->CalcBoundingBox();
+ form_rect.Transform(&m_FormMatrix);
+ m_Left = form_rect.left;
+ m_Bottom = form_rect.bottom;
+ m_Right = form_rect.right;
+ m_Top = form_rect.top;
+}
+CPDF_PageObjects::CPDF_PageObjects(FX_BOOL bReleaseMembers) : m_ObjectList(128)
+{
+ m_bBackgroundAlphaNeeded = FALSE;
+ m_bReleaseMembers = bReleaseMembers;
+ m_ParseState = PDF_CONTENT_NOT_PARSED;
+ m_pParser = NULL;
+ m_pFormStream = NULL;
+ m_pResources = NULL;
+}
+CPDF_PageObjects::~CPDF_PageObjects()
+{
+ if (m_pParser) {
+ delete m_pParser;
+ }
+ if (!m_bReleaseMembers) {
+ return;
+ }
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pPageObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ if (!pPageObj) {
+ continue;
+ }
+ pPageObj->Release();
+ }
+}
+void CPDF_PageObjects::ContinueParse(IFX_Pause* pPause)
+{
+ if (m_pParser == NULL) {
+ return;
+ }
+ m_pParser->Continue(pPause);
+ if (m_pParser->GetStatus() == CPDF_ContentParser::Done) {
+ m_ParseState = PDF_CONTENT_PARSED;
+ delete m_pParser;
+ m_pParser = NULL;
+ }
+}
+int CPDF_PageObjects::EstimateParseProgress() const
+{
+ if (m_pParser == NULL) {
+ return m_ParseState == PDF_CONTENT_PARSED ? 100 : 0;
+ }
+ return m_pParser->EstimateProgress();
+}
+FX_POSITION CPDF_PageObjects::InsertObject(FX_POSITION posInsertAfter, CPDF_PageObject* pNewObject)
+{
+ if (posInsertAfter == NULL) {
+ return m_ObjectList.AddHead(pNewObject);
+ } else {
+ return m_ObjectList.InsertAfter(posInsertAfter, pNewObject);
+ }
+}
+int CPDF_PageObjects::GetObjectIndex(CPDF_PageObject* pObj) const
+{
+ int index = 0;
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pThisObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ if (pThisObj == pObj) {
+ return index;
+ }
+ index ++;
+ }
+ return -1;
+}
+CPDF_PageObject* CPDF_PageObjects::GetObjectByIndex(int index) const
+{
+ FX_POSITION pos = m_ObjectList.FindIndex(index);
+ if (pos == NULL) {
+ return NULL;
+ }
+ return (CPDF_PageObject*)m_ObjectList.GetAt(pos);
+}
+void CPDF_PageObjects::Transform(const CFX_AffineMatrix& matrix)
+{
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ pObj->Transform(matrix);
+ }
+}
+CFX_FloatRect CPDF_PageObjects::CalcBoundingBox() const
+{
+ if (m_ObjectList.GetCount() == 0) {
+ return CFX_FloatRect(0, 0, 0, 0);
+ }
+ FX_FLOAT left, right, top, bottom;
+ left = bottom = 1000000 * 1.0f;
+ right = top = -1000000 * 1.0f;
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ if (left > pObj->m_Left) {
+ left = pObj->m_Left;
+ }
+ if (right < pObj->m_Right) {
+ right = pObj->m_Right;
+ }
+ if (top < pObj->m_Top) {
+ top = pObj->m_Top;
+ }
+ if (bottom > pObj->m_Bottom) {
+ bottom = pObj->m_Bottom;
+ }
+ }
+ return CFX_FloatRect(left, bottom, right, top);
+}
+void CPDF_PageObjects::LoadTransInfo()
+{
+ if (m_pFormDict == NULL) {
+ return;
+ }
+ CPDF_Dictionary* pGroup = m_pFormDict->GetDict(FX_BSTRC("Group"));
+ if (pGroup == NULL) {
+ return;
+ }
+ if (pGroup->GetString(FX_BSTRC("S")) != FX_BSTRC("Transparency")) {
+ return;
+ }
+ m_Transparency |= PDFTRANS_GROUP;
+ if (pGroup->GetInteger(FX_BSTRC("I"))) {
+ m_Transparency |= PDFTRANS_ISOLATED;
+ }
+ if (pGroup->GetInteger(FX_BSTRC("K"))) {
+ m_Transparency |= PDFTRANS_KNOCKOUT;
+ }
+}
+void CPDF_PageObjects::ClearCacheObjects()
+{
+ m_ParseState = PDF_CONTENT_NOT_PARSED;
+ if (m_pParser) {
+ delete m_pParser;
+ }
+ m_pParser = NULL;
+ if (m_bReleaseMembers) {
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pPageObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ if (!pPageObj) {
+ continue;
+ }
+ pPageObj->Release();
+ }
+ }
+ m_ObjectList.RemoveAll();
+}
+CPDF_Page::CPDF_Page()
+{
+ m_pPageRender = NULL;
+}
+void CPDF_Page::Load(CPDF_Document* pDocument, CPDF_Dictionary* pPageDict, FX_BOOL bPageCache)
+{
+ m_pDocument = (CPDF_Document*)pDocument;
+ m_pFormDict = pPageDict;
+ if (bPageCache) {
+ m_pPageRender = CPDF_ModuleMgr::Get()->GetRenderModule()->CreatePageCache(this);
+ }
+ if (pPageDict == NULL) {
+ m_PageWidth = m_PageHeight = 100 * 1.0f;
+ m_pPageResources = m_pResources = NULL;
+ return;
+ }
+ m_pResources = GetPageAttr(FX_BSTRC("Resources"))->GetDict();
+ m_pPageResources = m_pResources;
+ CPDF_Object* pRotate = GetPageAttr(FX_BSTRC("Rotate"));
+ int rotate = 0;
+ if (pRotate) {
+ rotate = pRotate->GetInteger() / 90 % 4;
+ }
+ if (rotate < 0) {
+ rotate += 4;
+ }
+ CPDF_Array* pMediaBox, *pCropBox;
+ pMediaBox = (CPDF_Array*)GetPageAttr(FX_BSTRC("MediaBox"));
+ CFX_FloatRect mediabox;
+ if (pMediaBox) {
+ mediabox = pMediaBox->GetRect();
+ mediabox.Normalize();
+ }
+ if (mediabox.IsEmpty()) {
+ mediabox = CFX_FloatRect(0, 0, 612, 792);
+ }
+ pCropBox = (CPDF_Array*)GetPageAttr(FX_BSTRC("CropBox"));
+ if (pCropBox) {
+ m_BBox = pCropBox->GetRect();
+ m_BBox.Normalize();
+ }
+ if (m_BBox.IsEmpty()) {
+ m_BBox = mediabox;
+ } else {
+ m_BBox.Intersect(mediabox);
+ }
+ if (rotate % 2) {
+ m_PageHeight = m_BBox.right - m_BBox.left;
+ m_PageWidth = m_BBox.top - m_BBox.bottom;
+ } else {
+ m_PageWidth = m_BBox.right - m_BBox.left;
+ m_PageHeight = m_BBox.top - m_BBox.bottom;
+ }
+ switch (rotate) {
+ case 0:
+ m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
+ break;
+ case 1:
+ m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
+ break;
+ case 2:
+ m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
+ break;
+ case 3:
+ m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
+ break;
+ }
+ m_Transparency = PDFTRANS_ISOLATED;
+ LoadTransInfo();
+}
+void CPDF_Page::StartParse(CPDF_ParseOptions* pOptions, FX_BOOL bReParse)
+{
+ if (bReParse) {
+ ClearCacheObjects();
+ }
+ if (m_ParseState == PDF_CONTENT_PARSED || m_ParseState == PDF_CONTENT_PARSING) {
+ return;
+ }
+ m_pParser = FX_NEW CPDF_ContentParser;
+ m_pParser->Start(this, pOptions);
+ m_ParseState = PDF_CONTENT_PARSING;
+}
+void CPDF_Page::ParseContent(CPDF_ParseOptions* pOptions, FX_BOOL bReParse)
+{
+ StartParse(pOptions, bReParse);
+ ContinueParse(NULL);
+}
+CPDF_Page::~CPDF_Page()
+{
+ if (m_pPageRender) {
+ CPDF_RenderModuleDef* pModule = CPDF_ModuleMgr::Get()->GetRenderModule();
+ pModule->DestroyPageCache(m_pPageRender);
+ }
+}
+CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict, FX_BSTR name)
+{
+ int level = 0;
+ while (1) {
+ CPDF_Object* pObj = pPageDict->GetElementValue(name);
+ if (pObj) {
+ return pObj;
+ }
+ CPDF_Dictionary* pParent = pPageDict->GetDict(FX_BSTRC("Parent"));
+ if (!pParent || pParent == pPageDict) {
+ return NULL;
+ }
+ pPageDict = pParent;
+ level ++;
+ if (level == 1000) {
+ return NULL;
+ }
+ }
+}
+CPDF_Object* CPDF_Page::GetPageAttr(FX_BSTR name) const
+{
+ return FPDFAPI_GetPageAttr(m_pFormDict, name);
+}
+CPDF_Form::CPDF_Form(CPDF_Document* pDoc, CPDF_Dictionary* pPageResources, CPDF_Stream* pFormStream, CPDF_Dictionary* pParentResources)
+{
+ m_pDocument = pDoc;
+ m_pFormStream = pFormStream;
+ m_pFormDict = pFormStream->GetDict();
+ m_pResources = m_pFormDict->GetDict(FX_BSTRC("Resources"));
+ m_pPageResources = pPageResources;
+ if (m_pResources == NULL) {
+ m_pResources = pParentResources;
+ }
+ if (m_pResources == NULL) {
+ m_pResources = pPageResources;
+ }
+ m_Transparency = 0;
+ LoadTransInfo();
+}
+CPDF_Form::~CPDF_Form()
+{
+}
+void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level)
+{
+ if (m_ParseState == PDF_CONTENT_PARSED || m_ParseState == PDF_CONTENT_PARSING) {
+ return;
+ }
+ m_pParser = FX_NEW CPDF_ContentParser;
+ m_pParser->Start(this, pGraphicStates, pParentMatrix, pType3Char, pOptions, level);
+ m_ParseState = PDF_CONTENT_PARSING;
+}
+void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level)
+{
+ StartParse(pGraphicStates, pParentMatrix, pType3Char, pOptions, level);
+ ContinueParse(NULL);
+}
+CPDF_Form* CPDF_Form::Clone() const
+{
+ CPDF_Form* pClone = FX_NEW CPDF_Form(m_pDocument, m_pPageResources, m_pFormStream, m_pResources);
+ FX_POSITION pos = m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
+ pClone->m_ObjectList.AddTail(pObj->Clone());
+ }
+ return pClone;
+}
+void CPDF_Page::GetDisplayMatrix(CFX_AffineMatrix& matrix, int xPos, int yPos,
+ int xSize, int ySize, int iRotate) const
+{
+ if (m_PageWidth == 0 || m_PageHeight == 0) {
+ return;
+ }
+ CFX_AffineMatrix display_matrix;
+ int x0, y0, x1, y1, x2, y2;
+ iRotate %= 4;
+ switch (iRotate) {
+ case 0:
+ x0 = xPos;
+ y0 = yPos + ySize;
+ x1 = xPos;
+ y1 = yPos;
+ x2 = xPos + xSize;
+ y2 = yPos + ySize;
+ break;
+ case 1:
+ x0 = xPos;
+ y0 = yPos;
+ x1 = xPos + xSize;
+ y1 = yPos;
+ x2 = xPos;
+ y2 = yPos + ySize;
+ break;
+ case 2:
+ x0 = xPos + xSize;
+ y0 = yPos;
+ x1 = xPos + xSize;
+ y1 = yPos + ySize;
+ x2 = xPos;
+ y2 = yPos;
+ break;
+ case 3:
+ x0 = xPos + xSize;
+ y0 = yPos + ySize;
+ x1 = xPos;
+ y1 = yPos + ySize;
+ x2 = xPos + xSize;
+ y2 = yPos;
+ break;
+ }
+ display_matrix.Set(FXSYS_Div((FX_FLOAT)(x2 - x0), m_PageWidth),
+ FXSYS_Div((FX_FLOAT)(y2 - y0), m_PageWidth),
+ FXSYS_Div((FX_FLOAT)(x1 - x0), m_PageHeight),
+ FXSYS_Div((FX_FLOAT)(y1 - y0), m_PageHeight),
+ (FX_FLOAT)x0, (FX_FLOAT)y0);
+ matrix = m_PageMatrix;
+ matrix.Concat(display_matrix);
+}
+CPDF_ParseOptions::CPDF_ParseOptions()
+{
+ m_bTextOnly = FALSE;
+ m_bMarkedContent = TRUE;
+ m_bSeparateForm = TRUE;
+ m_bDecodeInlineImage = FALSE;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp new file mode 100644 index 0000000000..44b4fc0b1d --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp @@ -0,0 +1,1401 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fxcodec/fx_codec.h"
+#include "pageint.h"
+#include <limits.h>
+void sRGB_to_AdobeCMYK(FX_FLOAT R, FX_FLOAT G, FX_FLOAT B, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k)
+{
+ c = 1.0f - R;
+ m = 1.0f - G;
+ y = 1.0f - B;
+ k = c;
+ if (m < k) {
+ k = m;
+ }
+ if (y < k) {
+ k = y;
+ }
+}
+CPDF_DeviceCS::CPDF_DeviceCS(int family)
+{
+ m_Family = family;
+ if (m_Family == PDFCS_DEVICERGB) {
+ m_nComponents = 3;
+ } else if (m_Family == PDFCS_DEVICEGRAY) {
+ m_nComponents = 1;
+ } else {
+ m_nComponents = 4;
+ }
+}
+FX_BOOL CPDF_DeviceCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ if (m_Family == PDFCS_DEVICERGB) {
+ R = pBuf[0];
+ if (R < 0) {
+ R = 0;
+ } else if (R > 1) {
+ R = 1;
+ }
+ G = pBuf[1];
+ if (G < 0) {
+ G = 0;
+ } else if (G > 1) {
+ G = 1;
+ }
+ B = pBuf[2];
+ if (B < 0) {
+ B = 0;
+ } else if (B > 1) {
+ B = 1;
+ }
+ } else if (m_Family == PDFCS_DEVICEGRAY) {
+ R = *pBuf;
+ if (R < 0) {
+ R = 0;
+ } else if (R > 1) {
+ R = 1;
+ }
+ G = B = R;
+ } else if (m_Family == PDFCS_DEVICECMYK) {
+ if (!m_dwStdConversion) {
+ AdobeCMYK_to_sRGB(pBuf[0], pBuf[1], pBuf[2], pBuf[3], R, G, B);
+ } else {
+ FX_FLOAT k = pBuf[3];
+ R = 1.0f - FX_MIN(1.0f, pBuf[0] + k);
+ G = 1.0f - FX_MIN(1.0f, pBuf[1] + k);
+ B = 1.0f - FX_MIN(1.0f, pBuf[2] + k);
+ }
+ } else {
+ ASSERT(m_Family == PDFCS_PATTERN);
+ R = G = B = 0;
+ return FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_DeviceCS::v_GetCMYK(FX_FLOAT* pBuf, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k) const
+{
+ if (m_Family != PDFCS_DEVICECMYK) {
+ return FALSE;
+ }
+ c = pBuf[0];
+ m = pBuf[1];
+ y = pBuf[2];
+ k = pBuf[3];
+ return TRUE;
+}
+FX_BOOL CPDF_DeviceCS::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
+{
+ if (m_Family == PDFCS_DEVICERGB) {
+ pBuf[0] = R;
+ pBuf[1] = G;
+ pBuf[2] = B;
+ return TRUE;
+ } else if (m_Family == PDFCS_DEVICEGRAY) {
+ if (R == G && R == B) {
+ *pBuf = R;
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ } else if (m_Family == PDFCS_DEVICECMYK) {
+ sRGB_to_AdobeCMYK(R, G, B, pBuf[0], pBuf[1], pBuf[2], pBuf[3]);
+ return TRUE;
+ }
+ return FALSE;
+}
+FX_BOOL CPDF_DeviceCS::v_SetCMYK(FX_FLOAT* pBuf, FX_FLOAT c, FX_FLOAT m, FX_FLOAT y, FX_FLOAT k) const
+{
+ if (m_Family == PDFCS_DEVICERGB) {
+ AdobeCMYK_to_sRGB(c, m, y, k, pBuf[0], pBuf[1], pBuf[2]);
+ return TRUE;
+ } else if (m_Family == PDFCS_DEVICEGRAY) {
+ return FALSE;
+ } else if (m_Family == PDFCS_DEVICECMYK) {
+ pBuf[0] = c;
+ pBuf[1] = m;
+ pBuf[2] = y;
+ pBuf[3] = k;
+ return TRUE;
+ }
+ return FALSE;
+}
+static void ReverseRGB(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels)
+{
+ if (pDestBuf == pSrcBuf)
+ for (int i = 0; i < pixels; i ++) {
+ FX_BYTE temp = pDestBuf[2];
+ pDestBuf[2] = pDestBuf[0];
+ pDestBuf[0] = temp;
+ pDestBuf += 3;
+ }
+ else
+ for (int i = 0; i < pixels; i ++) {
+ *pDestBuf ++ = pSrcBuf[2];
+ *pDestBuf ++ = pSrcBuf[1];
+ *pDestBuf ++ = pSrcBuf[0];
+ pSrcBuf += 3;
+ }
+}
+void CPDF_DeviceCS::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ if (bTransMask && m_Family == PDFCS_DEVICECMYK) {
+ for (int i = 0; i < pixels; i ++) {
+ int k = 255 - pSrcBuf[3];
+ pDestBuf[0] = ((255 - pSrcBuf[0]) * k) / 255;
+ pDestBuf[1] = ((255 - pSrcBuf[1]) * k) / 255;
+ pDestBuf[2] = ((255 - pSrcBuf[2]) * k) / 255;
+ pDestBuf += 3;
+ pSrcBuf += 4;
+ }
+ return;
+ }
+ if (m_Family == PDFCS_DEVICERGB) {
+ ReverseRGB(pDestBuf, pSrcBuf, pixels);
+ } else if (m_Family == PDFCS_DEVICEGRAY) {
+ for (int i = 0; i < pixels; i ++) {
+ *pDestBuf ++ = pSrcBuf[i];
+ *pDestBuf ++ = pSrcBuf[i];
+ *pDestBuf ++ = pSrcBuf[i];
+ }
+ } else {
+ for (int i = 0; i < pixels; i ++) {
+ if (!m_dwStdConversion) {
+ AdobeCMYK_to_sRGB1(pSrcBuf[0], pSrcBuf[1], pSrcBuf[2], pSrcBuf[3], pDestBuf[2], pDestBuf[1], pDestBuf[0]);
+ } else {
+ FX_BYTE k = pSrcBuf[3];
+ pDestBuf[2] = 255 - FX_MIN(255, pSrcBuf[0] + k);
+ pDestBuf[1] = 255 - FX_MIN(255, pSrcBuf[1] + k);
+ pDestBuf[0] = 255 - FX_MIN(255, pSrcBuf[2] + k);
+ }
+ pSrcBuf += 4;
+ pDestBuf += 3;
+ }
+ }
+}
+const FX_BYTE g_sRGBSamples1[] = {
+ 0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31, 32,
+ 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+ 49, 50, 51, 52, 53, 53, 54, 55, 56, 56, 57, 58, 58, 59, 60, 61,
+ 61, 62, 62, 63, 64, 64, 65, 66, 66, 67, 67, 68, 68, 69, 70, 70,
+ 71, 71, 72, 72, 73, 73, 74, 74, 75, 76, 76, 77, 77, 78, 78, 79,
+ 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, 84, 84, 85, 85, 85, 86,
+ 86, 87, 87, 88, 88, 88, 89, 89, 90, 90, 91, 91, 91, 92, 92, 93,
+ 93, 93, 94, 94, 95, 95, 95, 96, 96, 97, 97, 97, 98, 98, 98, 99,
+ 99, 99, 100, 100, 101, 101, 101, 102, 102, 102, 103, 103, 103, 104, 104, 104,
+ 105, 105, 106, 106, 106, 107, 107, 107, 108, 108, 108, 109, 109, 109, 110, 110,
+ 110, 110, 111, 111, 111, 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115,
+ 115, 115, 116, 116, 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120,
+};
+const FX_BYTE g_sRGBSamples2[] = {
+ 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136,
+ 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149, 150, 151,
+ 152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162, 163, 163, 164,
+ 165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173, 174, 175, 175, 176,
+ 177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184, 185, 185, 186, 187, 187,
+ 188, 189, 189, 190, 190, 191, 192, 192, 193, 194, 194, 195, 196, 196, 197, 197,
+ 198, 199, 199, 200, 200, 201, 202, 202, 203, 203, 204, 205, 205, 206, 206, 207,
+ 208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214, 214, 215, 215, 216,
+ 216, 217, 218, 218, 219, 219, 220, 220, 221, 221, 222, 222, 223, 223, 224, 224,
+ 225, 226, 226, 227, 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
+ 233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240,
+ 241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248,
+ 248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
+};
+static void XYZ_to_sRGB(FX_FLOAT X, FX_FLOAT Y, FX_FLOAT Z, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B)
+{
+ FX_FLOAT R1 = 3.2410f * X - 1.5374f * Y - 0.4986f * Z;
+ FX_FLOAT G1 = -0.9692f * X + 1.8760f * Y + 0.0416f * Z;
+ FX_FLOAT B1 = 0.0556f * X - 0.2040f * Y + 1.0570f * Z;
+ if (R1 > 1) {
+ R1 = 1;
+ }
+ if (R1 < 0) {
+ R1 = 0;
+ }
+ if (G1 > 1) {
+ G1 = 1;
+ }
+ if (G1 < 0) {
+ G1 = 0;
+ }
+ if (B1 > 1) {
+ B1 = 1;
+ }
+ if (B1 < 0) {
+ B1 = 0;
+ }
+ int scale = (int)(R1 * 1023);
+ if (scale < 0) {
+ scale = 0;
+ }
+ if (scale < 192) {
+ R = (g_sRGBSamples1[scale] / 255.0f);
+ } else {
+ R = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
+ }
+ scale = (int)(G1 * 1023);
+ if (scale < 0) {
+ scale = 0;
+ }
+ if (scale < 192) {
+ G = (g_sRGBSamples1[scale] / 255.0f);
+ } else {
+ G = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
+ }
+ scale = (int)(B1 * 1023);
+ if (scale < 0) {
+ scale = 0;
+ }
+ if (scale < 192) {
+ B = (g_sRGBSamples1[scale] / 255.0f);
+ } else {
+ B = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
+ }
+}
+class CPDF_CalGray : public CPDF_ColorSpace
+{
+public:
+ CPDF_CalGray();
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual void TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask = FALSE) const;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const;
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Gamma;
+};
+CPDF_CalGray::CPDF_CalGray()
+{
+ m_Family = PDFCS_CALGRAY;
+ m_nComponents = 1;
+}
+FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Dictionary* pDict = pArray->GetDict(1);
+ CPDF_Array* pParam = pDict->GetArray(FX_BSTRC("WhitePoint"));
+ int i;
+ for (i = 0; i < 3; i ++) {
+ m_WhitePoint[i] = pParam->GetNumber(i);
+ }
+ pParam = pDict->GetArray(FX_BSTRC("BlackPoint"));
+ for (i = 0; i < 3; i ++) {
+ m_BlackPoint[i] = pParam ? pParam->GetNumber(i) : 0;
+ }
+ m_Gamma = pDict->GetNumber(FX_BSTRC("Gamma"));
+ if (m_Gamma == 0) {
+ m_Gamma = 1.0f;
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ R = G = B = *pBuf;
+ return TRUE;
+}
+FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
+{
+ if (R == G && R == B) {
+ *pBuf = R;
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+void CPDF_CalGray::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ for (int i = 0; i < pixels; i ++) {
+ *pDestBuf ++ = pSrcBuf[i];
+ *pDestBuf ++ = pSrcBuf[i];
+ *pDestBuf ++ = pSrcBuf[i];
+ }
+}
+class CPDF_CalRGB : public CPDF_ColorSpace
+{
+public:
+ CPDF_CalRGB();
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual void TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask = FALSE) const;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const;
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Gamma[3];
+ FX_FLOAT m_Matrix[9];
+ FX_BOOL m_bGamma, m_bMatrix;
+};
+CPDF_CalRGB::CPDF_CalRGB()
+{
+ m_Family = PDFCS_CALRGB;
+ m_nComponents = 3;
+}
+FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Dictionary* pDict = pArray->GetDict(1);
+ CPDF_Array* pParam = pDict->GetArray(FX_BSTRC("WhitePoint"));
+ int i;
+ for (i = 0; i < 3; i ++) {
+ m_WhitePoint[i] = pParam->GetNumber(i);
+ }
+ pParam = pDict->GetArray(FX_BSTRC("BlackPoint"));
+ for (i = 0; i < 3; i ++) {
+ m_BlackPoint[i] = pParam ? pParam->GetNumber(i) : 0;
+ }
+ pParam = pDict->GetArray(FX_BSTRC("Gamma"));
+ if (pParam) {
+ m_bGamma = TRUE;
+ for (i = 0; i < 3; i ++) {
+ m_Gamma[i] = pParam->GetNumber(i);
+ }
+ } else {
+ m_bGamma = FALSE;
+ }
+ pParam = pDict->GetArray(FX_BSTRC("Matrix"));
+ if (pParam) {
+ m_bMatrix = TRUE;
+ for (i = 0; i < 9; i ++) {
+ m_Matrix[i] = pParam->GetNumber(i);
+ }
+ } else {
+ m_bMatrix = FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_CalRGB::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ FX_FLOAT A_ = pBuf[0];
+ FX_FLOAT B_ = pBuf[1];
+ FX_FLOAT C_ = pBuf[2];
+ if (m_bGamma) {
+ A_ = (FX_FLOAT)FXSYS_pow(A_, m_Gamma[0]);
+ B_ = (FX_FLOAT)FXSYS_pow(B_, m_Gamma[1]);
+ C_ = (FX_FLOAT)FXSYS_pow(C_, m_Gamma[2]);
+ }
+ FX_FLOAT X, Y, Z;
+ if (m_bMatrix) {
+ X = m_Matrix[0] * A_ + m_Matrix[3] * B_ + m_Matrix[6] * C_;
+ Y = m_Matrix[1] * A_ + m_Matrix[4] * B_ + m_Matrix[7] * C_;
+ Z = m_Matrix[2] * A_ + m_Matrix[5] * B_ + m_Matrix[8] * C_;
+ } else {
+ X = A_;
+ Y = B_;
+ Z = C_;
+ }
+ XYZ_to_sRGB(X, Y, Z, R, G, B);
+ return TRUE;
+}
+FX_BOOL CPDF_CalRGB::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
+{
+ pBuf[0] = R;
+ pBuf[1] = G;
+ pBuf[2] = B;
+ return TRUE;
+}
+void CPDF_CalRGB::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ if (bTransMask) {
+ FX_FLOAT Cal[3];
+ FX_FLOAT R, G, B;
+ for(int i = 0; i < pixels; i ++) {
+ Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255;
+ Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255;
+ Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255;
+ GetRGB(Cal, R, G, B);
+ pDestBuf[0] = FXSYS_round(B * 255);
+ pDestBuf[1] = FXSYS_round(G * 255);
+ pDestBuf[2] = FXSYS_round(R * 255);
+ pSrcBuf += 3;
+ pDestBuf += 3;
+ }
+ }
+ ReverseRGB(pDestBuf, pSrcBuf, pixels);
+}
+class CPDF_LabCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_LabCS()
+ {
+ m_Family = PDFCS_LAB;
+ m_nComponents = 3;
+ }
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual void GetDefaultValue(int iComponent, FX_FLOAT& value, FX_FLOAT& min, FX_FLOAT& max) const;
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const;
+ virtual void TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask = FALSE) const;
+ FX_FLOAT m_WhitePoint[3];
+ FX_FLOAT m_BlackPoint[3];
+ FX_FLOAT m_Ranges[4];
+};
+FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Dictionary* pDict = pArray->GetDict(1);
+ CPDF_Array* pParam = pDict->GetArray(FX_BSTRC("WhitePoint"));
+ int i;
+ for (i = 0; i < 3; i ++) {
+ m_WhitePoint[i] = pParam->GetNumber(i);
+ }
+ pParam = pDict->GetArray(FX_BSTRC("BlackPoint"));
+ for (i = 0; i < 3; i ++) {
+ m_BlackPoint[i] = pParam ? pParam->GetNumber(i) : 0;
+ }
+ pParam = pDict->GetArray(FX_BSTRC("Range"));
+ const FX_FLOAT def_ranges[4] = { -100 * 1.0f, 100 * 1.0f, -100 * 1.0f, 100 * 1.0f};
+ for (i = 0; i < 4; i ++) {
+ m_Ranges[i] = pParam ? pParam->GetNumber(i) : def_ranges[i];
+ }
+ return TRUE;
+}
+void CPDF_LabCS::GetDefaultValue(int iComponent, FX_FLOAT& value, FX_FLOAT& min, FX_FLOAT& max) const
+{
+ value = 0;
+ if (iComponent == 0) {
+ min = 0;
+ max = 100 * 1.0f;
+ } else {
+ min = m_Ranges[iComponent * 2 - 2];
+ max = m_Ranges[iComponent * 2 - 1];
+ if (value < min) {
+ value = min;
+ } else if (value > max) {
+ value = max;
+ }
+ }
+}
+FX_BOOL CPDF_LabCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ FX_FLOAT Lstar = pBuf[0];
+ FX_FLOAT astar = pBuf[1];
+ FX_FLOAT bstar = pBuf[2];
+ FX_FLOAT M = (Lstar + 16.0f) / 116.0f;
+ FX_FLOAT L = M + astar / 500.0f;
+ FX_FLOAT N = M - bstar / 200.0f;
+ FX_FLOAT X, Y, Z;
+ if (L < 0.2069f) {
+ X = 0.957f * 0.12842f * (L - 0.1379f);
+ } else {
+ X = 0.957f * L * L * L;
+ }
+ if (M < 0.2069f) {
+ Y = 0.12842f * (M - 0.1379f);
+ } else {
+ Y = M * M * M;
+ }
+ if (N < 0.2069f) {
+ Z = 1.0889f * 0.12842f * (N - 0.1379f);
+ } else {
+ Z = 1.0889f * N * N * N;
+ }
+ XYZ_to_sRGB(X, Y, Z, R, G, B);
+ return TRUE;
+}
+FX_BOOL CPDF_LabCS::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
+{
+ return FALSE;
+}
+void CPDF_LabCS::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ for (int i = 0; i < pixels; i ++) {
+ FX_FLOAT lab[3];
+ FX_FLOAT R, G, B;
+ lab[0] = (pSrcBuf[0] * 100 / 255.0f);
+ lab[1] = (FX_FLOAT)(pSrcBuf[1] - 128);
+ lab[2] = (FX_FLOAT)(pSrcBuf[2] - 128);
+ GetRGB(lab, R, G, B);
+ pDestBuf[0] = (FX_INT32)(B * 255);
+ pDestBuf[1] = (FX_INT32)(G * 255);
+ pDestBuf[2] = (FX_INT32)(R * 255);
+ pDestBuf += 3;
+ pSrcBuf += 3;
+ }
+}
+CPDF_IccProfile::CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize, int nComponents)
+{
+ m_bsRGB = nComponents == 3 && dwSize == 3144 && FXSYS_memcmp32(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0;
+ m_pTransform = NULL;
+ if (!m_bsRGB && CPDF_ModuleMgr::Get()->GetIccModule()) {
+ m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB(pData, dwSize, nComponents);
+ }
+}
+CPDF_IccProfile::~CPDF_IccProfile()
+{
+ if (m_pTransform) {
+ CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform);
+ }
+}
+class CPDF_ICCBasedCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_ICCBasedCS();
+ virtual ~CPDF_ICCBasedCS();
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ void GetDefaultValue(int i, FX_FLOAT& min, FX_FLOAT& max) const
+ {
+ min = m_pRanges[i * 2];
+ max = m_pRanges[i * 2 + 1];
+ }
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k) const;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const;
+ virtual void EnableStdConversion(FX_BOOL bEnabled);
+ virtual void TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask = FALSE) const;
+ FX_FLOAT* m_pRanges;
+ CPDF_IccProfile* m_pProfile;
+ CPDF_ColorSpace* m_pAlterCS;
+ FX_LPBYTE m_pCache;
+ FX_BOOL m_bOwn;
+};
+CPDF_ICCBasedCS::CPDF_ICCBasedCS()
+{
+ m_pAlterCS = NULL;
+ m_pProfile = NULL;
+ m_Family = PDFCS_ICCBASED;
+ m_pCache = NULL;
+ m_pRanges = NULL;
+ m_bOwn = FALSE;
+}
+CPDF_ICCBasedCS::~CPDF_ICCBasedCS()
+{
+ if (m_pCache) {
+ FX_Free(m_pCache);
+ }
+ if (m_pRanges) {
+ FX_Free(m_pRanges);
+ }
+ if (m_pAlterCS && m_bOwn) {
+ m_pAlterCS->ReleaseCS();
+ }
+ if (m_pProfile && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseIccProfile(NULL, m_pProfile);
+ }
+}
+FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Stream* pStream = pArray->GetStream(1);
+ if (pStream == NULL) {
+ return FALSE;
+ }
+ m_nComponents = pStream->GetDict()->GetInteger(FX_BSTRC("N"));
+ if (m_nComponents < 0 || m_nComponents > (1 << 16)) {
+ return FALSE;
+ }
+ CPDF_Array* pRanges = pStream->GetDict()->GetArray(FX_BSTRC("Range"));
+ m_pRanges = FX_Alloc(FX_FLOAT, m_nComponents * 2);
+ for (int i = 0; i < m_nComponents * 2; i ++) {
+ if (pRanges) {
+ m_pRanges[i] = pRanges->GetNumber(i);
+ } else if (i % 2) {
+ m_pRanges[i] = 1.0f;
+ } else {
+ m_pRanges[i] = 0;
+ }
+ }
+ m_pProfile = pDoc->LoadIccProfile(pStream, m_nComponents);
+ if (!m_pProfile) {
+ return FALSE;
+ }
+ if (m_pProfile->m_pTransform == NULL) {
+ CPDF_Object* pAlterCSObj = pStream->GetDict()->GetElementValue(FX_BSTRC("Alternate"));
+ if (pAlterCSObj) {
+ CPDF_ColorSpace* alter_cs = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
+ if (alter_cs) {
+ if (alter_cs->CountComponents() > m_nComponents) {
+ alter_cs->ReleaseCS();
+ } else {
+ m_pAlterCS = alter_cs;
+ m_bOwn = TRUE;
+ }
+ }
+ }
+ if (!m_pAlterCS) {
+ if (m_nComponents == 3) {
+ m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
+ } else if (m_nComponents == 4) {
+ m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
+ } else {
+ m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ }
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ if (m_pProfile && m_pProfile->m_bsRGB) {
+ R = pBuf[0];
+ G = pBuf[1];
+ B = pBuf[2];
+ return TRUE;
+ }
+ ICodec_IccModule *pIccModule = CPDF_ModuleMgr::Get()->GetIccModule();
+ if (m_pProfile->m_pTransform == NULL || pIccModule == NULL) {
+ if (m_pAlterCS) {
+ m_pAlterCS->GetRGB(pBuf, R, G, B);
+ } else {
+ R = G = B = 0.0f;
+ }
+ return TRUE;
+ }
+ FX_FLOAT rgb[3];
+ pIccModule->Translate(m_pProfile->m_pTransform, pBuf, rgb);
+ R = rgb[0];
+ G = rgb[1];
+ B = rgb[2];
+ return TRUE;
+}
+FX_BOOL CPDF_ICCBasedCS::v_GetCMYK(FX_FLOAT* pBuf, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k) const
+{
+ if (m_nComponents != 4) {
+ return FALSE;
+ }
+ c = pBuf[0];
+ m = pBuf[1];
+ y = pBuf[2];
+ k = pBuf[3];
+ return TRUE;
+}
+FX_BOOL CPDF_ICCBasedCS::SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const
+{
+ return FALSE;
+}
+void CPDF_ICCBasedCS::EnableStdConversion(FX_BOOL bEnabled)
+{
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAlterCS) {
+ m_pAlterCS->EnableStdConversion(bEnabled);
+ }
+}
+void CPDF_ICCBasedCS::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ if (m_pProfile->m_bsRGB) {
+ ReverseRGB(pDestBuf, pSrcBuf, pixels);
+ } else if (m_pProfile->m_pTransform) {
+ int nMaxColors = 1;
+ for (int i = 0; i < m_nComponents; i ++) {
+ nMaxColors *= 52;
+ }
+ if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) {
+ CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels);
+ } else {
+ if (m_pCache == NULL) {
+ ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc(FX_BYTE, nMaxColors * 3);
+ FX_LPBYTE temp_src = FX_Alloc(FX_BYTE, nMaxColors * m_nComponents);
+ FX_LPBYTE pSrc = temp_src;
+ for (int i = 0; i < nMaxColors; i ++) {
+ FX_DWORD color = i;
+ FX_DWORD order = nMaxColors / 52;
+ for (int c = 0; c < m_nComponents; c ++) {
+ *pSrc++ = (FX_BYTE)(color / order * 5);
+ color %= order;
+ order /= 52;
+ }
+ }
+ CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors);
+ FX_Free(temp_src);
+ }
+ for (int i = 0; i < pixels; i ++) {
+ int index = 0;
+ for (int c = 0; c < m_nComponents; c ++) {
+ index = index * 52 + (*pSrcBuf) / 5;
+ pSrcBuf ++;
+ }
+ index *= 3;
+ *pDestBuf++ = m_pCache[index];
+ *pDestBuf++ = m_pCache[index + 1];
+ *pDestBuf++ = m_pCache[index + 2];
+ }
+ }
+ } else if (m_pAlterCS) {
+ m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width, image_height);
+ }
+}
+class CPDF_IndexedCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_IndexedCS();
+ virtual ~CPDF_IndexedCS();
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ void GetDefaultValue(int iComponent, FX_FLOAT& min, FX_FLOAT& max) const
+ {
+ min = 0;
+ max = (FX_FLOAT)m_MaxIndex;
+ }
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual CPDF_ColorSpace* GetBaseCS() const
+ {
+ return m_pBaseCS;
+ }
+ virtual void EnableStdConversion(FX_BOOL bEnabled);
+ CPDF_ColorSpace* m_pBaseCS;
+ int m_nBaseComponents;
+ int m_MaxIndex;
+ CFX_ByteString m_Table;
+ FX_FLOAT* m_pCompMinMax;
+};
+CPDF_IndexedCS::CPDF_IndexedCS()
+{
+ m_pBaseCS = NULL;
+ m_Family = PDFCS_INDEXED;
+ m_nComponents = 1;
+ m_pCompMinMax = NULL;
+}
+CPDF_IndexedCS::~CPDF_IndexedCS()
+{
+ if (m_pCompMinMax) {
+ FX_Free(m_pCompMinMax);
+ }
+ CPDF_ColorSpace* pCS = m_pBaseCS;
+ if (pCS && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+ }
+}
+FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ if (pArray->GetCount() < 4) {
+ return FALSE;
+ }
+ CPDF_Object* pBaseObj = pArray->GetElementValue(1);
+ if (pBaseObj == m_pArray) {
+ return FALSE;
+ }
+ CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
+ m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL);
+ if (m_pBaseCS == NULL) {
+ return FALSE;
+ }
+ m_nBaseComponents = m_pBaseCS->CountComponents();
+ m_pCompMinMax = FX_Alloc(FX_FLOAT, m_nBaseComponents * 2);
+ FX_FLOAT defvalue;
+ for (int i = 0; i < m_nBaseComponents; i ++) {
+ m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2], m_pCompMinMax[i * 2 + 1]);
+ m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2];
+ }
+ m_MaxIndex = pArray->GetInteger(2);
+ CPDF_Object* pTableObj = pArray->GetElementValue(3);
+ if (pTableObj == NULL) {
+ return FALSE;
+ }
+ FX_LPCBYTE pTable = NULL;
+ FX_DWORD size = 0;
+ CPDF_StreamAcc* pStreamAcc = NULL;
+ if (pTableObj->GetType() == PDFOBJ_STRING) {
+ m_Table = ((CPDF_String*)pTableObj)->GetString();
+ } else if (pTableObj->GetType() == PDFOBJ_STREAM) {
+ CPDF_StreamAcc acc;
+ acc.LoadAllData((CPDF_Stream*)pTableObj, FALSE);
+ m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize());
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_IndexedCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ int index = (FX_INT32)(*pBuf);
+ if (index < 0 || index > m_MaxIndex) {
+ return FALSE;
+ }
+ if (m_nBaseComponents) {
+ if (index == INT_MAX || (index + 1) > INT_MAX / m_nBaseComponents ||
+ (index + 1)*m_nBaseComponents > (int)m_Table.GetLength()) {
+ R = G = B = 0;
+ return FALSE;
+ }
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> Comps(m_nBaseComponents);
+ FX_FLOAT* comps = Comps;
+ FX_LPCBYTE pTable = m_Table;
+ for (int i = 0; i < m_nBaseComponents; i ++) {
+ comps[i] = m_pCompMinMax[i * 2] + m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255;
+ }
+ m_pBaseCS->GetRGB(comps, R, G, B);
+ return TRUE;
+}
+void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled)
+{
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pBaseCS) {
+ m_pBaseCS->EnableStdConversion(bEnabled);
+ }
+}
+#define MAX_PATTERN_COLORCOMPS 16
+typedef struct _PatternValue {
+ CPDF_Pattern* m_pPattern;
+ int m_nComps;
+ FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
+} PatternValue;
+CPDF_PatternCS::CPDF_PatternCS()
+{
+ m_Family = PDFCS_PATTERN;
+ m_pBaseCS = NULL;
+ m_nComponents = 1;
+}
+CPDF_PatternCS::~CPDF_PatternCS()
+{
+ CPDF_ColorSpace* pCS = m_pBaseCS;
+ if (pCS && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+ }
+}
+FX_BOOL CPDF_PatternCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Object* pBaseCS = pArray->GetElementValue(1);
+ if (pBaseCS == m_pArray) {
+ return FALSE;
+ }
+ CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
+ m_pBaseCS = pDocPageData->GetColorSpace(pBaseCS, NULL);
+ if (m_pBaseCS) {
+ m_nComponents = m_pBaseCS->CountComponents() + 1;
+ if (m_pBaseCS->CountComponents() > MAX_PATTERN_COLORCOMPS) {
+ return FALSE;
+ }
+ } else {
+ m_nComponents = 1;
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_PatternCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ if (m_pBaseCS) {
+ PatternValue* pvalue = (PatternValue*)pBuf;
+ m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B);
+ return TRUE;
+ }
+ R = G = B = 0.75f;
+ return FALSE;
+}
+class CPDF_SeparationCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_SeparationCS();
+ virtual ~CPDF_SeparationCS();
+ virtual void GetDefaultValue(int iComponent, FX_FLOAT& value, FX_FLOAT& min, FX_FLOAT& max) const
+ {
+ value = 1.0f;
+ min = 0;
+ max = 1.0f;
+ }
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual void EnableStdConversion(FX_BOOL bEnabled);
+ CPDF_ColorSpace* m_pAltCS;
+ CPDF_Function* m_pFunc;
+ enum {None, All, Colorant} m_Type;
+};
+CPDF_SeparationCS::CPDF_SeparationCS()
+{
+ m_Family = PDFCS_SEPARATION;
+ m_pAltCS = NULL;
+ m_pFunc = NULL;
+ m_nComponents = 1;
+}
+CPDF_SeparationCS::~CPDF_SeparationCS()
+{
+ if (m_pAltCS) {
+ m_pAltCS->ReleaseCS();
+ }
+ if (m_pFunc) {
+ delete m_pFunc;
+ }
+}
+FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CFX_ByteString name = pArray->GetString(1);
+ if (name == FX_BSTRC("None")) {
+ m_Type = None;
+ } else {
+ m_Type = Colorant;
+ CPDF_Object* pAltCS = pArray->GetElementValue(2);
+ if (pAltCS == m_pArray) {
+ return FALSE;
+ }
+ m_pAltCS = Load(pDoc, pAltCS);
+ CPDF_Object* pFuncObj = pArray->GetElementValue(3);
+ if (pFuncObj && pFuncObj->GetType() != PDFOBJ_NAME) {
+ m_pFunc = CPDF_Function::Load(pFuncObj);
+ }
+ if (m_pFunc && m_pAltCS && m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
+ delete m_pFunc;
+ m_pFunc = NULL;
+ }
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_SeparationCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ if (m_Type == None) {
+ return FALSE;
+ }
+ if (m_pFunc == NULL) {
+ if (m_pAltCS == NULL) {
+ return FALSE;
+ }
+ int nComps = m_pAltCS->CountComponents();
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps);
+ for (int i = 0; i < nComps; i ++) {
+ results[i] = *pBuf;
+ }
+ m_pAltCS->GetRGB(results, R, G, B);
+ return TRUE;
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
+ int nresults;
+ m_pFunc->Call(pBuf, 1, results, nresults);
+ if (nresults == 0) {
+ return FALSE;
+ }
+ if (m_pAltCS) {
+ m_pAltCS->GetRGB(results, R, G, B);
+ return TRUE;
+ } else {
+ R = G = B = 0;
+ return FALSE;
+ }
+}
+void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled)
+{
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAltCS) {
+ m_pAltCS->EnableStdConversion(bEnabled);
+ }
+}
+class CPDF_DeviceNCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_DeviceNCS();
+ virtual ~CPDF_DeviceNCS();
+ virtual void GetDefaultValue(int iComponent, FX_FLOAT& value, FX_FLOAT& min, FX_FLOAT& max) const
+ {
+ value = 1.0f;
+ min = 0;
+ max = 1.0f;
+ }
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual void EnableStdConversion(FX_BOOL bEnabled);
+ CPDF_ColorSpace* m_pAltCS;
+ CPDF_Function* m_pFunc;
+};
+CPDF_DeviceNCS::CPDF_DeviceNCS()
+{
+ m_Family = PDFCS_DEVICEN;
+ m_pAltCS = NULL;
+ m_pFunc = NULL;
+}
+CPDF_DeviceNCS::~CPDF_DeviceNCS()
+{
+ if (m_pFunc) {
+ delete m_pFunc;
+ }
+ if (m_pAltCS) {
+ m_pAltCS->ReleaseCS();
+ }
+}
+FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
+{
+ CPDF_Object* pObj = pArray->GetElementValue(1);
+ if (!pObj) {
+ return FALSE;
+ }
+ if (pObj->GetType() != PDFOBJ_ARRAY) {
+ return FALSE;
+ }
+ m_nComponents = ((CPDF_Array*)pObj)->GetCount();
+ CPDF_Object* pAltCS = pArray->GetElementValue(2);
+ if (!pAltCS || pAltCS == m_pArray) {
+ return FALSE;
+ }
+ m_pAltCS = Load(pDoc, pAltCS);
+ m_pFunc = CPDF_Function::Load(pArray->GetElementValue(3));
+ if (m_pAltCS == NULL || m_pFunc == NULL) {
+ return FALSE;
+ }
+ if (m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) {
+ return FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_DeviceNCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
+{
+ if (m_pFunc == NULL) {
+ return FALSE;
+ }
+ CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
+ int nresults;
+ m_pFunc->Call(pBuf, m_nComponents, results, nresults);
+ if (nresults == 0) {
+ return FALSE;
+ }
+ m_pAltCS->GetRGB(results, R, G, B);
+ return TRUE;
+}
+void CPDF_DeviceNCS::EnableStdConversion(FX_BOOL bEnabled)
+{
+ CPDF_ColorSpace::EnableStdConversion(bEnabled);
+ if (m_pAltCS) {
+ m_pAltCS->EnableStdConversion(bEnabled);
+ }
+}
+CPDF_ColorSpace* CPDF_ColorSpace::GetStockCS(int family)
+{
+ return CPDF_ModuleMgr::Get()->GetPageModule()->GetStockCS(family);;
+}
+CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name)
+{
+ if (name == FX_BSTRC("DeviceRGB") || name == FX_BSTRC("RGB")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ }
+ if (name == FX_BSTRC("DeviceGray") || name == FX_BSTRC("G")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ if (name == FX_BSTRC("DeviceCMYK") || name == FX_BSTRC("CMYK")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ }
+ if (name == FX_BSTRC("Pattern")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ }
+ return NULL;
+}
+CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj)
+{
+ if (pObj == NULL) {
+ return NULL;
+ }
+ if (pObj->GetType() == PDFOBJ_NAME) {
+ return _CSFromName(pObj->GetString());
+ }
+ if (pObj->GetType() == PDFOBJ_STREAM) {
+ CPDF_Dictionary *pDict = ((CPDF_Stream *)pObj)->GetDict();
+ if (!pDict) {
+ return NULL;
+ }
+ CPDF_ColorSpace *pRet = NULL;
+ FX_POSITION pos = pDict->GetStartPos();
+ while (pos) {
+ CFX_ByteString bsKey;
+ CPDF_Object *pValue = pDict->GetNextElement(pos, bsKey);
+ if (pValue->GetType() == PDFOBJ_NAME) {
+ pRet = _CSFromName(pValue->GetString());
+ }
+ if (pRet) {
+ return pRet;
+ }
+ }
+ return NULL;
+ }
+ if (pObj->GetType() != PDFOBJ_ARRAY) {
+ return NULL;
+ }
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ if (pArray->GetCount() == 0) {
+ return NULL;
+ }
+ CFX_ByteString familyname = pArray->GetElementValue(0)->GetString();
+ if (pArray->GetCount() == 1) {
+ return _CSFromName(familyname);
+ }
+ CPDF_ColorSpace* pCS = NULL;
+ FX_DWORD id = familyname.GetID();
+ if (id == FXBSTR_ID('C', 'a', 'l', 'G')) {
+ pCS = FX_NEW CPDF_CalGray();
+ } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) {
+ pCS = FX_NEW CPDF_CalRGB();
+ } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) {
+ pCS = FX_NEW CPDF_LabCS();
+ } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) {
+ pCS = FX_NEW CPDF_ICCBasedCS();
+ } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') || id == FXBSTR_ID('I', 0, 0, 0)) {
+ pCS = FX_NEW CPDF_IndexedCS();
+ } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) {
+ pCS = FX_NEW CPDF_SeparationCS();
+ } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) {
+ pCS = FX_NEW CPDF_DeviceNCS();
+ } else if (id == FXBSTR_ID('P', 'a', 't', 't')) {
+ pCS = FX_NEW CPDF_PatternCS();
+ } else {
+ return NULL;
+ }
+ pCS->m_pDocument = pDoc;
+ pCS->m_pArray = pArray;
+ if (!pCS->v_Load(pDoc, pArray)) {
+ pCS->ReleaseCS();
+ return NULL;
+ }
+ return pCS;
+}
+CPDF_ColorSpace::CPDF_ColorSpace()
+{
+ m_Family = 0;
+ m_pArray = NULL;
+ m_dwStdConversion = 0;
+ m_pDocument = NULL;
+}
+void CPDF_ColorSpace::ReleaseCS()
+{
+ if (this == GetStockCS(PDFCS_DEVICERGB)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_DEVICEGRAY)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_DEVICECMYK)) {
+ return;
+ }
+ if (this == GetStockCS(PDFCS_PATTERN)) {
+ return;
+ }
+ delete this;
+}
+int CPDF_ColorSpace::GetBufSize() const
+{
+ if (m_Family == PDFCS_PATTERN) {
+ return sizeof(PatternValue);
+ }
+ return m_nComponents * sizeof(FX_FLOAT);
+}
+FX_FLOAT* CPDF_ColorSpace::CreateBuf()
+{
+ int size = GetBufSize();
+ FX_BYTE* pBuf = FX_Alloc(FX_BYTE, size);
+ FXSYS_memset32(pBuf, 0, size);
+ return (FX_FLOAT*)pBuf;
+}
+FX_BOOL CPDF_ColorSpace::sRGB() const
+{
+ if (m_Family == PDFCS_DEVICERGB) {
+ return TRUE;
+ }
+ if (m_Family != PDFCS_ICCBASED) {
+ return FALSE;
+ }
+ CPDF_ICCBasedCS* pCS = (CPDF_ICCBasedCS*)this;
+ return pCS->m_pProfile->m_bsRGB;
+}
+FX_BOOL CPDF_ColorSpace::GetCMYK(FX_FLOAT* pBuf, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k) const
+{
+ if (v_GetCMYK(pBuf, c, m, y, k)) {
+ return TRUE;
+ }
+ FX_FLOAT R, G, B;
+ if (!GetRGB(pBuf, R, G, B)) {
+ return FALSE;
+ }
+ sRGB_to_AdobeCMYK(R, G, B, c, m, y, k);
+ return TRUE;
+}
+FX_BOOL CPDF_ColorSpace::SetCMYK(FX_FLOAT* pBuf, FX_FLOAT c, FX_FLOAT m, FX_FLOAT y, FX_FLOAT k) const
+{
+ if (v_SetCMYK(pBuf, c, m, y, k)) {
+ return TRUE;
+ }
+ FX_FLOAT R, G, B;
+ AdobeCMYK_to_sRGB(c, m, y, k, R, G, B);
+ return SetRGB(pBuf, R, G, B);
+}
+void CPDF_ColorSpace::GetDefaultColor(FX_FLOAT* buf) const
+{
+ if (buf == NULL || m_Family == PDFCS_PATTERN) {
+ return;
+ }
+ FX_FLOAT min, max;
+ for (int i = 0; i < m_nComponents; i ++) {
+ GetDefaultValue(i, buf[i], min, max);
+ }
+}
+int CPDF_ColorSpace::GetMaxIndex() const
+{
+ if (m_Family != PDFCS_INDEXED) {
+ return 0;
+ }
+ CPDF_IndexedCS* pCS = (CPDF_IndexedCS*)this;
+ return pCS->m_MaxIndex;
+}
+void CPDF_ColorSpace::TranslateImageLine(FX_LPBYTE dest_buf, FX_LPCBYTE src_buf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
+{
+ CFX_FixedBufGrow<FX_FLOAT, 16> srcbuf(m_nComponents);
+ FX_FLOAT* src = srcbuf;
+ FX_FLOAT R, G, B;
+ for (int i = 0; i < pixels; i ++) {
+ for (int j = 0; j < m_nComponents; j ++)
+ if (m_Family == PDFCS_INDEXED) {
+ src[j] = (FX_FLOAT)(*src_buf ++);
+ } else {
+ src[j] = (FX_FLOAT)(*src_buf ++) / 255;
+ }
+ GetRGB(src, R, G, B);
+ *dest_buf ++ = (FX_INT32)(B * 255);
+ *dest_buf ++ = (FX_INT32)(G * 255);
+ *dest_buf ++ = (FX_INT32)(R * 255);
+ }
+}
+void CPDF_ColorSpace::EnableStdConversion(FX_BOOL bEnabled)
+{
+ if (bEnabled) {
+ m_dwStdConversion ++;
+ } else if (m_dwStdConversion) {
+ m_dwStdConversion --;
+ }
+}
+CPDF_Color::CPDF_Color(int family)
+{
+ m_pCS = CPDF_ColorSpace::GetStockCS(family);
+ int nComps = 3;
+ if (family == PDFCS_DEVICEGRAY) {
+ nComps = 1;
+ } else if (family == PDFCS_DEVICECMYK) {
+ nComps = 4;
+ }
+ m_pBuffer = FX_Alloc(FX_FLOAT, nComps);
+ for (int i = 0; i < nComps; i ++) {
+ m_pBuffer[i] = 0;
+ }
+}
+CPDF_Color::~CPDF_Color()
+{
+ ReleaseBuffer();
+ ReleaseColorSpace();
+}
+void CPDF_Color::ReleaseBuffer()
+{
+ if (!m_pBuffer) {
+ return;
+ }
+ if (m_pCS->GetFamily() == PDFCS_PATTERN) {
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ CPDF_Pattern* pPattern = pvalue->m_pPattern;
+ if (pPattern && pPattern->m_pDocument) {
+ pPattern->m_pDocument->GetPageData()->ReleasePattern(pPattern->m_pPatternObj);
+ }
+ }
+ FX_Free(m_pBuffer);
+ m_pBuffer = NULL;
+}
+void CPDF_Color::ReleaseColorSpace()
+{
+ if (m_pCS && m_pCS->m_pDocument && m_pCS->GetArray()) {
+ m_pCS->m_pDocument->GetPageData()->ReleaseColorSpace(m_pCS->GetArray());
+ m_pCS = NULL;
+ }
+}
+void CPDF_Color::SetColorSpace(CPDF_ColorSpace* pCS)
+{
+ if (m_pCS == pCS) {
+ if (m_pBuffer == NULL) {
+ m_pBuffer = pCS->CreateBuf();
+ }
+ ReleaseColorSpace();
+ m_pCS = pCS;
+ return;
+ }
+ ReleaseBuffer();
+ ReleaseColorSpace();
+ m_pCS = pCS;
+ if (m_pCS) {
+ m_pBuffer = pCS->CreateBuf();
+ pCS->GetDefaultColor(m_pBuffer);
+ }
+}
+void CPDF_Color::SetValue(FX_FLOAT* comps)
+{
+ if (m_pBuffer == NULL) {
+ return;
+ }
+ if (m_pCS->GetFamily() != PDFCS_PATTERN) {
+ FXSYS_memcpy32(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(FX_FLOAT));
+ }
+}
+void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps)
+{
+ if (ncomps > MAX_PATTERN_COLORCOMPS) {
+ return;
+ }
+ if (m_pCS == NULL || m_pCS->GetFamily() != PDFCS_PATTERN) {
+ if (m_pBuffer) {
+ FX_Free(m_pBuffer);
+ }
+ m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ m_pBuffer = m_pCS->CreateBuf();
+ }
+ CPDF_DocPageData* pDocPageData = NULL;
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
+ pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData();
+ pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj);
+ }
+ pvalue->m_nComps = ncomps;
+ pvalue->m_pPattern = pPattern;
+ if (ncomps) {
+ FXSYS_memcpy32(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT));
+ }
+}
+void CPDF_Color::Copy(const CPDF_Color* pSrc)
+{
+ ReleaseBuffer();
+ ReleaseColorSpace();
+ m_pCS = pSrc->m_pCS;
+ if (m_pCS && m_pCS->m_pDocument) {
+ CPDF_Array* pArray = m_pCS->GetArray();
+ if (pArray) {
+ m_pCS = m_pCS->m_pDocument->GetPageData()->GetCopiedColorSpace(pArray);
+ }
+ }
+ if (m_pCS == NULL) {
+ return;
+ }
+ m_pBuffer = m_pCS->CreateBuf();
+ FXSYS_memcpy32(m_pBuffer, pSrc->m_pBuffer, m_pCS->GetBufSize());
+ if (m_pCS->GetFamily() == PDFCS_PATTERN) {
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) {
+ pvalue->m_pPattern = pvalue->m_pPattern->m_pDocument->GetPageData()->GetPattern(pvalue->m_pPattern->m_pPatternObj, FALSE, &pvalue->m_pPattern->m_ParentMatrix);
+ }
+ }
+}
+FX_BOOL CPDF_Color::GetRGB(int& R, int& G, int& B) const
+{
+ if (m_pCS == NULL || m_pBuffer == NULL) {
+ return FALSE;
+ }
+ FX_FLOAT r, g, b;
+ if (!m_pCS->GetRGB(m_pBuffer, r, g, b)) {
+ return FALSE;
+ }
+ R = (FX_INT32)(r * 255 + 0.5f);
+ G = (FX_INT32)(g * 255 + 0.5f);
+ B = (FX_INT32)(b * 255 + 0.5f);
+ return TRUE;
+}
+CPDF_Pattern* CPDF_Color::GetPattern() const
+{
+ if (m_pBuffer == NULL || m_pCS->GetFamily() != PDFCS_PATTERN) {
+ return NULL;
+ }
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ return pvalue->m_pPattern;
+}
+CPDF_ColorSpace* CPDF_Color::GetPatternCS() const
+{
+ if (m_pBuffer == NULL || m_pCS->GetFamily() != PDFCS_PATTERN) {
+ return NULL;
+ }
+ return m_pCS->GetBaseCS();
+}
+FX_FLOAT* CPDF_Color::GetPatternColor() const
+{
+ if (m_pBuffer == NULL || m_pCS->GetFamily() != PDFCS_PATTERN) {
+ return NULL;
+ }
+ PatternValue* pvalue = (PatternValue*)m_pBuffer;
+ return pvalue->m_nComps ? pvalue->m_Comps : NULL;
+}
+FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const
+{
+ if (m_pCS != other.m_pCS || m_pCS == NULL) {
+ return FALSE;
+ }
+ return FXSYS_memcmp32(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp new file mode 100644 index 0000000000..d4e5bef400 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp @@ -0,0 +1,647 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fdrm/fx_crypt.h"
+#include "../fpdf_font/font_int.h"
+#include "pageint.h"
+class CPDF_PageModule : public CPDF_PageModuleDef
+{
+public:
+ CPDF_PageModule() : m_StockGrayCS(PDFCS_DEVICEGRAY), m_StockRGBCS(PDFCS_DEVICERGB),
+ m_StockCMYKCS(PDFCS_DEVICECMYK) {}
+ virtual ~CPDF_PageModule() {}
+ virtual FX_BOOL Installed()
+ {
+ return TRUE;
+ }
+ virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc)
+ {
+ return FX_NEW CPDF_DocPageData(pDoc);
+ }
+ virtual void ReleaseDoc(CPDF_Document* pDoc);
+ virtual void ClearDoc(CPDF_Document* pDoc);
+ virtual CPDF_FontGlobals* GetFontGlobals()
+ {
+ return &m_FontGlobals;
+ }
+ virtual void ClearStockFont(CPDF_Document* pDoc)
+ {
+ m_FontGlobals.Clear(pDoc);
+ }
+ virtual CPDF_ColorSpace* GetStockCS(int family);
+ virtual void NotifyCJKAvailable();
+ CPDF_FontGlobals m_FontGlobals;
+ CPDF_DeviceCS m_StockGrayCS;
+ CPDF_DeviceCS m_StockRGBCS;
+ CPDF_DeviceCS m_StockCMYKCS;
+ CPDF_PatternCS m_StockPatternCS;
+};
+CPDF_ColorSpace* CPDF_PageModule::GetStockCS(int family)
+{
+ if (family == PDFCS_DEVICEGRAY) {
+ return &m_StockGrayCS;
+ }
+ if (family == PDFCS_DEVICERGB) {
+ return &m_StockRGBCS;
+ }
+ if (family == PDFCS_DEVICECMYK) {
+ return &m_StockCMYKCS;
+ }
+ if (family == PDFCS_PATTERN) {
+ return &m_StockPatternCS;
+ }
+ return NULL;
+}
+void CPDF_ModuleMgr::InitPageModule()
+{
+ if (m_pPageModule) {
+ delete m_pPageModule;
+ }
+ CPDF_PageModule* pPageModule = FX_NEW CPDF_PageModule;
+ m_pPageModule = pPageModule;
+}
+void CPDF_PageModule::ReleaseDoc(CPDF_Document* pDoc)
+{
+ delete pDoc->GetPageData();
+}
+void CPDF_PageModule::ClearDoc(CPDF_Document* pDoc)
+{
+ pDoc->GetPageData()->Clear(FALSE);
+}
+void CPDF_PageModule::NotifyCJKAvailable()
+{
+ m_FontGlobals.m_CMapManager.ReloadAll();
+}
+CPDF_Font* CPDF_Document::LoadFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFont(pFontDict, FALSE);
+}
+CPDF_Font* CPDF_Document::FindFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFont(pFontDict, TRUE);
+}
+CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream)
+{
+ if (pStream == NULL) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFontFileStreamAcc(pStream);
+}
+CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name);
+CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
+{
+ return GetValidatePageData()->GetColorSpace(pCSObj, pResources);
+}
+CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
+{
+ return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
+}
+CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream, int nComponents)
+{
+ return GetValidatePageData()->GetIccProfile(pStream, nComponents);
+}
+CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj)
+{
+ if (!pObj) {
+ return NULL;
+ }
+ FXSYS_assert(pObj->GetObjNum());
+ return GetValidatePageData()->GetImage(pObj);
+}
+void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj)
+{
+ if (!pCSObj) {
+ return;
+ }
+ GetPageData()->ReleaseColorSpace(pCSObj);
+}
+CPDF_DocPageData::CPDF_DocPageData(CPDF_Document *pPDFDoc)
+ : m_pPDFDoc(pPDFDoc)
+ , m_FontMap()
+ , m_ColorSpaceMap()
+ , m_PatternMap()
+ , m_ImageMap()
+ , m_IccProfileMap()
+ , m_FontFileMap()
+{
+ m_FontMap.InitHashTable(64);
+ m_ColorSpaceMap.InitHashTable(32);
+ m_PatternMap.InitHashTable(16);
+ m_ImageMap.InitHashTable(64);
+ m_IccProfileMap.InitHashTable(16);
+ m_FontFileMap.InitHashTable(32);
+}
+CPDF_DocPageData::~CPDF_DocPageData()
+{
+ Clear(FALSE);
+ Clear(TRUE);
+ FX_POSITION pos = NULL;
+}
+void CPDF_DocPageData::Clear(FX_BOOL bRelease)
+{
+ FX_POSITION pos;
+ FX_DWORD nCount;
+ {
+ pos = m_PatternMap.GetStartPosition();
+ while (pos) {
+ CPDF_Object* ptObj;
+ CPDF_CountedObject<CPDF_Pattern*>* ptData;
+ m_PatternMap.GetNextAssoc(pos, ptObj, ptData);
+ nCount = ptData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete ptData->m_Obj;
+ ptData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_FontMap.GetStartPosition();
+ while (pos) {
+ CPDF_Dictionary* fontDict;
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+ nCount = fontData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete fontData->m_Obj;
+ fontData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_ImageMap.GetStartPosition();
+ while (pos) {
+ FX_DWORD objNum;
+ CPDF_CountedObject<CPDF_Image*>* imageData;
+ m_ImageMap.GetNextAssoc(pos, objNum, imageData);
+ nCount = imageData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete imageData->m_Obj;
+ delete imageData;
+ m_ImageMap.RemoveKey(objNum);
+ }
+ }
+ }
+ {
+ pos = m_ColorSpaceMap.GetStartPosition();
+ while (pos) {
+ CPDF_Object* csKey;
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData);
+ nCount = csData->m_nCount;
+ if (bRelease || nCount < 2) {
+ csData->m_Obj->ReleaseCS();
+ csData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_IccProfileMap.GetStartPosition();
+ while (pos) {
+ CPDF_Stream* ipKey;
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData;
+ m_IccProfileMap.GetNextAssoc(pos, ipKey, ipData);
+ nCount = ipData->m_nCount;
+ if (bRelease || nCount < 2) {
+ FX_POSITION pos2 = m_HashProfileMap.GetStartPosition();
+ while (pos2) {
+ CFX_ByteString bsKey;
+ CPDF_Stream* pFindStream = NULL;
+ m_HashProfileMap.GetNextAssoc(pos2, bsKey, (void*&)pFindStream);
+ if (ipKey == pFindStream) {
+ m_HashProfileMap.RemoveKey(bsKey);
+ break;
+ }
+ }
+ delete ipData->m_Obj;
+ delete ipData;
+ m_IccProfileMap.RemoveKey(ipKey);
+ }
+ }
+ }
+ {
+ pos = m_FontFileMap.GetStartPosition();
+ while (pos) {
+ CPDF_Stream* ftKey;
+ CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+ m_FontFileMap.GetNextAssoc(pos, ftKey, ftData);
+ nCount = ftData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete ftData->m_Obj;
+ delete ftData;
+ m_FontFileMap.RemoveKey(ftKey);
+ }
+ }
+ }
+}
+CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ if (findOnly) {
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ if (m_FontMap.Lookup(pFontDict, fontData)) {
+ if (!fontData->m_Obj) {
+ return NULL;
+ }
+ fontData->m_nCount ++;
+ return fontData->m_Obj;
+ }
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_Font*>* fontData = NULL;
+ if (m_FontMap.Lookup(pFontDict, fontData)) {
+ if (fontData->m_Obj) {
+ fontData->m_nCount ++;
+ return fontData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!fontData) {
+ fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
+ bNew = TRUE;
+ if (!fontData) {
+ return NULL;
+ }
+ }
+ CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pFontDict);
+ if (!pFont) {
+ if (bNew) {
+ delete fontData;
+ }
+ return NULL;
+ }
+ fontData->m_nCount = 2;
+ fontData->m_Obj = pFont;
+ m_FontMap.SetAt(pFontDict, fontData);
+ return pFont;
+}
+CPDF_Font* CPDF_DocPageData::GetStandardFont(FX_BSTR fontName, CPDF_FontEncoding* pEncoding)
+{
+ if (fontName.IsEmpty()) {
+ return NULL;
+ }
+ FX_POSITION pos = m_FontMap.GetStartPosition();
+ while (pos) {
+ CPDF_Dictionary* fontDict;
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+ CPDF_Font* pFont = fontData->m_Obj;
+ if (!pFont) {
+ continue;
+ }
+ if (pFont->GetBaseFont() != fontName) {
+ continue;
+ }
+ if (pFont->IsEmbedded()) {
+ continue;
+ }
+ if (pFont->GetFontType() != PDFFONT_TYPE1) {
+ continue;
+ }
+ if (pFont->GetFontDict()->KeyExist(FX_BSTRC("Widths"))) {
+ continue;
+ }
+ CPDF_Type1Font* pT1Font = pFont->GetType1Font();
+ if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) {
+ continue;
+ }
+ fontData->m_nCount ++;
+ return pFont;
+ }
+ CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
+ pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font"));
+ pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1"));
+ pDict->SetAtName(FX_BSTRC("BaseFont"), fontName);
+ if (pEncoding) {
+ pDict->SetAt(FX_BSTRC("Encoding"), pEncoding->Realize());
+ }
+ m_pPDFDoc->AddIndirectObject(pDict);
+ CPDF_CountedObject<CPDF_Font*>* fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
+ if (!fontData) {
+ return NULL;
+ }
+ CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
+ if (!pFont) {
+ delete fontData;
+ return NULL;
+ }
+ fontData->m_nCount = 2;
+ fontData->m_Obj = pFont;
+ m_FontMap.SetAt(pDict, fontData);
+ return pFont;
+}
+void CPDF_DocPageData::ReleaseFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ if (!m_FontMap.Lookup(pFontDict, fontData)) {
+ return;
+ }
+ if (fontData->m_Obj && --fontData->m_nCount == 0) {
+ delete fontData->m_Obj;
+ fontData->m_Obj = NULL;
+ }
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
+{
+ if (!pCSObj) {
+ return NULL;
+ }
+ if (pCSObj->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pCSObj->GetConstString();
+ CPDF_ColorSpace* pCS = _CSFromName(name);
+ if (!pCS && pResources) {
+ CPDF_Dictionary* pList = pResources->GetDict(FX_BSTRC("ColorSpace"));
+ if (pList) {
+ pCSObj = pList->GetElementValue(name);
+ return GetColorSpace(pCSObj, NULL);
+ }
+ }
+ if (pCS == NULL || pResources == NULL) {
+ return pCS;
+ }
+ CPDF_Dictionary* pColorSpaces = pResources->GetDict(FX_BSTRC("ColorSpace"));
+ if (pColorSpaces == NULL) {
+ return pCS;
+ }
+ CPDF_Object* pDefaultCS = NULL;
+ switch (pCS->GetFamily()) {
+ case PDFCS_DEVICERGB:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultRGB"));
+ break;
+ case PDFCS_DEVICEGRAY:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultGray"));
+ break;
+ case PDFCS_DEVICECMYK:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultCMYK"));
+ break;
+ }
+ if (pDefaultCS == NULL) {
+ return pCS;
+ }
+ return GetColorSpace(pDefaultCS, NULL);
+ }
+ if (pCSObj->GetType() != PDFOBJ_ARRAY) {
+ return NULL;
+ }
+ CPDF_Array* pArray = (CPDF_Array*)pCSObj;
+ if (pArray->GetCount() == 0) {
+ return NULL;
+ }
+ if (pArray->GetCount() == 1) {
+ return GetColorSpace(pArray->GetElementValue(0), pResources);
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData = NULL;
+ if (m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+ if (csData->m_Obj) {
+ csData->m_nCount++;
+ return csData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!csData) {
+ csData = FX_NEW CPDF_CountedObject<CPDF_ColorSpace*>;
+ if (!csData) {
+ return NULL;
+ }
+ bNew = TRUE;
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
+ if (!pCS) {
+ if (bNew) {
+ delete csData;
+ }
+ return NULL;
+ }
+ csData->m_nCount = 2;
+ csData->m_Obj = pCS;
+ m_ColorSpaceMap.SetAt(pCSObj, csData);
+ return pCS;
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj)
+{
+ if (!pCSObj) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ if (!m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+ return NULL;
+ }
+ if (!csData->m_Obj) {
+ return NULL;
+ }
+ csData->m_nCount ++;
+ return csData->m_Obj;
+}
+void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace)
+{
+ if (!pColorSpace) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ if (!m_ColorSpaceMap.Lookup(pColorSpace, csData)) {
+ return;
+ }
+ if (csData->m_Obj && --csData->m_nCount == 0) {
+ csData->m_Obj->ReleaseCS();
+ csData->m_Obj = NULL;
+ }
+}
+CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
+{
+ if (!pPatternObj) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_Pattern*>* ptData = NULL;
+ if (m_PatternMap.Lookup(pPatternObj, ptData)) {
+ if (ptData->m_Obj) {
+ ptData->m_nCount++;
+ return ptData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!ptData) {
+ ptData = FX_NEW CPDF_CountedObject<CPDF_Pattern*>;
+ bNew = TRUE;
+ if (!ptData) {
+ return NULL;
+ }
+ }
+ CPDF_Pattern* pPattern = NULL;
+ if (bShading) {
+ pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, bShading, matrix);
+ } else {
+ CPDF_Dictionary* pDict = pPatternObj->GetDict();
+ if (pDict) {
+ int type = pDict->GetInteger(FX_BSTRC("PatternType"));
+ if (type == 1) {
+ pPattern = FX_NEW CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
+ } else if (type == 2) {
+ pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix);
+ }
+ }
+ }
+ if (!pPattern) {
+ if (bNew) {
+ delete ptData;
+ }
+ return NULL;
+ }
+ ptData->m_nCount = 2;
+ ptData->m_Obj = pPattern;
+ m_PatternMap.SetAt(pPatternObj, ptData);
+ return pPattern;
+}
+void CPDF_DocPageData::ReleasePattern(CPDF_Object* pPatternObj)
+{
+ if (!pPatternObj) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_Pattern*>* ptData;
+ if (!m_PatternMap.Lookup(pPatternObj, ptData)) {
+ return;
+ }
+ if (ptData->m_Obj && --ptData->m_nCount == 0) {
+ delete ptData->m_Obj;
+ ptData->m_Obj = NULL;
+ }
+}
+CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream)
+{
+ if (!pImageStream) {
+ return NULL;
+ }
+ FX_DWORD dwImageObjNum = pImageStream->GetObjNum();
+ CPDF_CountedObject<CPDF_Image*>* imageData;
+ if (m_ImageMap.Lookup(dwImageObjNum, imageData)) {
+ imageData->m_nCount ++;
+ return imageData->m_Obj;
+ }
+ imageData = FX_NEW CPDF_CountedObject<CPDF_Image*>;
+ if (!imageData) {
+ return NULL;
+ }
+ CPDF_Image* pImage = FX_NEW CPDF_Image(m_pPDFDoc);
+ if (!pImage) {
+ delete imageData;
+ return NULL;
+ }
+ pImage->LoadImageF((CPDF_Stream*)pImageStream, FALSE);
+ imageData->m_nCount = 2;
+ imageData->m_Obj = pImage;
+ m_ImageMap.SetAt(dwImageObjNum, imageData);
+ return pImage;
+}
+void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream)
+{
+ if (!pImageStream) {
+ return;
+ }
+ PDF_DocPageData_Release<FX_DWORD, CPDF_Image*>(m_ImageMap, pImageStream->GetObjNum(), NULL);
+}
+CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents)
+{
+ if (!pIccProfileStream) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+ if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
+ ipData->m_nCount++;
+ return ipData->m_Obj;
+ }
+ CPDF_StreamAcc stream;
+ stream.LoadAllData(pIccProfileStream, FALSE);
+ FX_BYTE digest[20];
+ CPDF_Stream* pCopiedStream = NULL;
+ CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
+ if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20), (void*&)pCopiedStream)) {
+ m_IccProfileMap.Lookup(pCopiedStream, ipData);
+ ipData->m_nCount++;
+ return ipData->m_Obj;
+ }
+ CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
+ if (!pProfile) {
+ return NULL;
+ }
+ ipData = FX_NEW CPDF_CountedObject<CPDF_IccProfile*>;
+ if (!ipData) {
+ delete pProfile;
+ return NULL;
+ }
+ ipData->m_nCount = 2;
+ ipData->m_Obj = pProfile;
+ m_IccProfileMap.SetAt(pIccProfileStream, ipData);
+ m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
+ return pProfile;
+}
+void CPDF_DocPageData::ReleaseIccProfile(CPDF_Stream* pIccProfileStream, CPDF_IccProfile* pIccProfile)
+{
+ if (!pIccProfileStream && !pIccProfile) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+ if (m_IccProfileMap.Lookup(pIccProfileStream, ipData) && ipData->m_nCount < 2) {
+ FX_POSITION pos = m_HashProfileMap.GetStartPosition();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Stream* pFindStream = NULL;
+ m_HashProfileMap.GetNextAssoc(pos, key, (void*&)pFindStream);
+ if (pIccProfileStream == pFindStream) {
+ m_HashProfileMap.RemoveKey(key);
+ break;
+ }
+ }
+ }
+ PDF_DocPageData_Release<CPDF_Stream*, CPDF_IccProfile*>(m_IccProfileMap, pIccProfileStream, pIccProfile);
+}
+CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(CPDF_Stream* pFontStream)
+{
+ if (!pFontStream) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+ if (m_FontFileMap.Lookup(pFontStream, ftData)) {
+ ftData->m_nCount ++;
+ return ftData->m_Obj;
+ }
+ ftData = FX_NEW CPDF_CountedObject<CPDF_StreamAcc*>;
+ if (!ftData) {
+ return NULL;
+ }
+ CPDF_StreamAcc* pFontFile = FX_NEW CPDF_StreamAcc;
+ if (!pFontFile) {
+ delete ftData;
+ return NULL;
+ }
+ CPDF_Dictionary* pFontDict = pFontStream->GetDict();
+ FX_INT32 org_size = pFontDict->GetInteger(FX_BSTRC("Length1")) + pFontDict->GetInteger(FX_BSTRC("Length2")) + pFontDict->GetInteger(FX_BSTRC("Length3"));
+ if (org_size < 0) {
+ org_size = 0;
+ }
+ pFontFile->LoadAllData(pFontStream, FALSE, org_size);
+ ftData->m_nCount = 2;
+ ftData->m_Obj = pFontFile;
+ m_FontFileMap.SetAt(pFontStream, ftData);
+ return pFontFile;
+}
+void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce)
+{
+ if (!pFontStream) {
+ return;
+ }
+ PDF_DocPageData_Release<CPDF_Stream*, CPDF_StreamAcc*>(m_FontFileMap, pFontStream, NULL, bForce);
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp new file mode 100644 index 0000000000..335460f320 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp @@ -0,0 +1,886 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "pageint.h"
+#include <limits.h>
+class CPDF_PSEngine;
+typedef enum {PSOP_ADD, PSOP_SUB, PSOP_MUL, PSOP_DIV, PSOP_IDIV, PSOP_MOD,
+ PSOP_NEG, PSOP_ABS, PSOP_CEILING, PSOP_FLOOR, PSOP_ROUND, PSOP_TRUNCATE,
+ PSOP_SQRT, PSOP_SIN, PSOP_COS, PSOP_ATAN, PSOP_EXP, PSOP_LN, PSOP_LOG,
+ PSOP_CVI, PSOP_CVR, PSOP_EQ, PSOP_NE, PSOP_GT, PSOP_GE, PSOP_LT, PSOP_LE,
+ PSOP_AND, PSOP_OR, PSOP_XOR, PSOP_NOT, PSOP_BITSHIFT, PSOP_TRUE, PSOP_FALSE,
+ PSOP_IF, PSOP_IFELSE, PSOP_POP, PSOP_EXCH, PSOP_DUP, PSOP_COPY,
+ PSOP_INDEX, PSOP_ROLL, PSOP_PROC, PSOP_CONST
+ } PDF_PSOP;
+class CPDF_PSProc : public CFX_Object
+{
+public:
+ ~CPDF_PSProc();
+ FX_BOOL Parse(CPDF_SimpleParser& parser);
+ FX_BOOL Execute(CPDF_PSEngine* pEngine);
+ CFX_PtrArray m_Operators;
+};
+#define PSENGINE_STACKSIZE 100
+class CPDF_PSEngine : public CFX_Object
+{
+public:
+ CPDF_PSEngine();
+ ~CPDF_PSEngine();
+ FX_BOOL Parse(const FX_CHAR* string, int size);
+ FX_BOOL Execute()
+ {
+ return m_MainProc.Execute(this);
+ }
+ FX_BOOL DoOperator(PDF_PSOP op);
+ void Reset()
+ {
+ m_StackCount = 0;
+ }
+ void Push(FX_FLOAT value);
+ void Push(int value)
+ {
+ Push((FX_FLOAT)value);
+ }
+ FX_FLOAT Pop();
+ int GetStackSize()
+ {
+ return m_StackCount;
+ }
+private:
+ FX_FLOAT m_Stack[PSENGINE_STACKSIZE];
+ int m_StackCount;
+ CPDF_PSProc m_MainProc;
+};
+CPDF_PSProc::~CPDF_PSProc()
+{
+ int size = m_Operators.GetSize();
+ for (int i = 0; i < size; i ++) {
+ if (m_Operators[i] == (FX_LPVOID)PSOP_PROC) {
+ delete (CPDF_PSProc*)m_Operators[i + 1];
+ i ++;
+ } else if (m_Operators[i] == (FX_LPVOID)PSOP_CONST) {
+ FX_Free((FX_FLOAT*)m_Operators[i + 1]);
+ i ++;
+ }
+ }
+}
+#pragma optimize( "", off )
+FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine)
+{
+ int size = m_Operators.GetSize();
+ for (int i = 0; i < size; i ++) {
+ PDF_PSOP op = (PDF_PSOP)(FX_UINTPTR)m_Operators[i];
+ if (op == PSOP_PROC) {
+ i ++;
+ } else if (op == PSOP_CONST) {
+ pEngine->Push(*(FX_FLOAT*)m_Operators[i + 1]);
+ i ++;
+ } else if (op == PSOP_IF) {
+ if (i < 2 || m_Operators[i - 2] != (FX_LPVOID)PSOP_PROC) {
+ return FALSE;
+ }
+ if ((int)pEngine->Pop()) {
+ ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
+ }
+ } else if (op == PSOP_IFELSE) {
+ if (i < 4 || m_Operators[i - 2] != (FX_LPVOID)PSOP_PROC ||
+ m_Operators[i - 4] != (FX_LPVOID)PSOP_PROC) {
+ return FALSE;
+ }
+ if ((int)pEngine->Pop()) {
+ ((CPDF_PSProc*)m_Operators[i - 3])->Execute(pEngine);
+ } else {
+ ((CPDF_PSProc*)m_Operators[i - 1])->Execute(pEngine);
+ }
+ } else {
+ pEngine->DoOperator(op);
+ }
+ }
+ return TRUE;
+}
+#pragma optimize( "", on )
+CPDF_PSEngine::CPDF_PSEngine()
+{
+ m_StackCount = 0;
+}
+CPDF_PSEngine::~CPDF_PSEngine()
+{
+}
+void CPDF_PSEngine::Push(FX_FLOAT v)
+{
+ if (m_StackCount == 100) {
+ return;
+ }
+ m_Stack[m_StackCount++] = v;
+}
+FX_FLOAT CPDF_PSEngine::Pop()
+{
+ if (m_StackCount == 0) {
+ return 0;
+ }
+ return m_Stack[--m_StackCount];
+}
+const struct _PDF_PSOpName {
+ const FX_CHAR* name;
+ PDF_PSOP op;
+} _PDF_PSOpNames[] = {
+ {"add", PSOP_ADD}, {"sub", PSOP_SUB}, {"mul", PSOP_MUL}, {"div", PSOP_DIV},
+ {"idiv", PSOP_IDIV}, {"mod", PSOP_MOD}, {"neg", PSOP_NEG}, {"abs", PSOP_ABS},
+ {"ceiling", PSOP_CEILING}, {"floor", PSOP_FLOOR}, {"round", PSOP_ROUND},
+ {"truncate", PSOP_TRUNCATE}, {"sqrt", PSOP_SQRT}, {"sin", PSOP_SIN},
+ {"cos", PSOP_COS}, {"atan", PSOP_ATAN}, {"exp", PSOP_EXP}, {"ln", PSOP_LN},
+ {"log", PSOP_LOG}, {"cvi", PSOP_CVI}, {"cvr", PSOP_CVR}, {"eq", PSOP_EQ},
+ {"ne", PSOP_NE}, {"gt", PSOP_GT}, {"ge", PSOP_GE}, {"lt", PSOP_LT},
+ {"le", PSOP_LE}, {"and", PSOP_AND}, {"or", PSOP_OR}, {"xor", PSOP_XOR},
+ {"not", PSOP_NOT}, {"bitshift", PSOP_BITSHIFT}, {"true", PSOP_TRUE},
+ {"false", PSOP_FALSE}, {"if", PSOP_IF}, {"ifelse", PSOP_IFELSE},
+ {"pop", PSOP_POP}, {"exch", PSOP_EXCH}, {"dup", PSOP_DUP},
+ {"copy", PSOP_COPY}, {"index", PSOP_INDEX}, {"roll", PSOP_ROLL},
+ {NULL, PSOP_PROC}
+};
+FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* string, int size)
+{
+ CPDF_SimpleParser parser((FX_LPBYTE)string, size);
+ CFX_ByteStringC word = parser.GetWord();
+ if (word != FX_BSTRC("{")) {
+ return FALSE;
+ }
+ return m_MainProc.Parse(parser);
+}
+FX_BOOL CPDF_PSProc::Parse(CPDF_SimpleParser& parser)
+{
+ while (1) {
+ CFX_ByteStringC word = parser.GetWord();
+ if (word.IsEmpty()) {
+ return FALSE;
+ }
+ if (word == FX_BSTRC("}")) {
+ return TRUE;
+ }
+ if (word == FX_BSTRC("{")) {
+ CPDF_PSProc* pProc = FX_NEW CPDF_PSProc;
+ m_Operators.Add((FX_LPVOID)PSOP_PROC);
+ m_Operators.Add(pProc);
+ if (!pProc->Parse(parser)) {
+ return FALSE;
+ }
+ } else {
+ int i = 0;
+ while (_PDF_PSOpNames[i].name) {
+ if (word == CFX_ByteStringC(_PDF_PSOpNames[i].name)) {
+ m_Operators.Add((FX_LPVOID)_PDF_PSOpNames[i].op);
+ break;
+ }
+ i ++;
+ }
+ if (_PDF_PSOpNames[i].name == NULL) {
+ FX_FLOAT* pd = FX_Alloc(FX_FLOAT, 1);
+ *pd = FX_atof(word);
+ m_Operators.Add((FX_LPVOID)PSOP_CONST);
+ m_Operators.Add(pd);
+ }
+ }
+ }
+}
+#define PI 3.1415926535897932384626433832795f
+FX_BOOL CPDF_PSEngine::DoOperator(PDF_PSOP op)
+{
+ int i1, i2;
+ FX_FLOAT d1, d2;
+ switch (op) {
+ case PSOP_ADD:
+ d1 = Pop();
+ d2 = Pop();
+ Push(d1 + d2);
+ break;
+ case PSOP_SUB:
+ d2 = Pop();
+ d1 = Pop();
+ Push(d1 - d2);
+ break;
+ case PSOP_MUL:
+ d1 = Pop();
+ d2 = Pop();
+ Push(d1 * d2);
+ break;
+ case PSOP_DIV:
+ d2 = Pop();
+ d1 = Pop();
+ Push(d1 / d2);
+ break;
+ case PSOP_IDIV:
+ i2 = (int)Pop();
+ i1 = (int)Pop();
+ Push(i1 / i2);
+ break;
+ case PSOP_MOD:
+ i2 = (int)Pop();
+ i1 = (int)Pop();
+ Push(i1 % i2);
+ break;
+ case PSOP_NEG:
+ d1 = Pop();
+ Push(-d1);
+ break;
+ case PSOP_ABS:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_fabs(d1));
+ break;
+ case PSOP_CEILING:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_ceil(d1));
+ break;
+ case PSOP_FLOOR:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_floor(d1));
+ break;
+ case PSOP_ROUND:
+ d1 = Pop();
+ Push(FXSYS_round(d1));
+ break;
+ case PSOP_TRUNCATE:
+ i1 = (int)Pop();
+ Push(i1);
+ break;
+ case PSOP_SQRT:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_sqrt(d1));
+ break;
+ case PSOP_SIN:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_sin(d1 * PI / 180.0f));
+ break;
+ case PSOP_COS:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_cos(d1 * PI / 180.0f));
+ break;
+ case PSOP_ATAN:
+ d2 = Pop();
+ d1 = Pop();
+ d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / PI);
+ if (d1 < 0) {
+ d1 += 360;
+ }
+ Push(d1);
+ break;
+ case PSOP_EXP:
+ d2 = Pop();
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_pow(d1, d2));
+ break;
+ case PSOP_LN:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_log(d1));
+ break;
+ case PSOP_LOG:
+ d1 = Pop();
+ Push((FX_FLOAT)FXSYS_log10(d1));
+ break;
+ case PSOP_CVI:
+ i1 = (int)Pop();
+ Push(i1);
+ break;
+ case PSOP_CVR:
+ break;
+ case PSOP_EQ:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 == d2));
+ break;
+ case PSOP_NE:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 != d2));
+ break;
+ case PSOP_GT:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 > d2));
+ break;
+ case PSOP_GE:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 >= d2));
+ break;
+ case PSOP_LT:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 < d2));
+ break;
+ case PSOP_LE:
+ d2 = Pop();
+ d1 = Pop();
+ Push((int)(d1 <= d2));
+ break;
+ case PSOP_AND:
+ i1 = (int)Pop();
+ i2 = (int)Pop();
+ Push(i1 & i2);
+ break;
+ case PSOP_OR:
+ i1 = (int)Pop();
+ i2 = (int)Pop();
+ Push(i1 | i2);
+ break;
+ case PSOP_XOR:
+ i1 = (int)Pop();
+ i2 = (int)Pop();
+ Push(i1 ^ i2);
+ break;
+ case PSOP_NOT:
+ i1 = (int)Pop();
+ Push((int)!i1);
+ break;
+ case PSOP_BITSHIFT: {
+ int shift = (int)Pop();
+ int i = (int)Pop();
+ if (shift > 0) {
+ Push(i << shift);
+ } else {
+ Push(i >> -shift);
+ }
+ break;
+ }
+ case PSOP_TRUE:
+ Push(1);
+ break;
+ case PSOP_FALSE:
+ Push(0);
+ break;
+ case PSOP_POP:
+ Pop();
+ break;
+ case PSOP_EXCH:
+ d2 = Pop();
+ d1 = Pop();
+ Push(d2);
+ Push(d1);
+ break;
+ case PSOP_DUP:
+ d1 = Pop();
+ Push(d1);
+ Push(d1);
+ break;
+ case PSOP_COPY: {
+ int n = (int)Pop();
+ if (n < 0 || n > PSENGINE_STACKSIZE || m_StackCount + n > PSENGINE_STACKSIZE || n > m_StackCount) {
+ break;
+ }
+ for (int i = 0; i < n; i ++) {
+ m_Stack[m_StackCount + i] = m_Stack[m_StackCount + i - n];
+ }
+ m_StackCount += n;
+ break;
+ }
+ case PSOP_INDEX: {
+ int n = (int)Pop();
+ if (n < 0 || n >= m_StackCount) {
+ break;
+ }
+ Push(m_Stack[m_StackCount - n - 1]);
+ break;
+ }
+ case PSOP_ROLL: {
+ int j = (int)Pop();
+ int n = (int)Pop();
+ if (m_StackCount == 0) {
+ break;
+ }
+ if (n < 0 || n > m_StackCount) {
+ break;
+ }
+ if (j < 0)
+ for (int i = 0; i < -j; i ++) {
+ FX_FLOAT first = m_Stack[m_StackCount - n];
+ for (int ii = 0; ii < n - 1; ii ++) {
+ m_Stack[m_StackCount - n + ii] = m_Stack[m_StackCount - n + ii + 1];
+ }
+ m_Stack[m_StackCount - 1] = first;
+ }
+ else
+ for (int i = 0; i < j; i ++) {
+ FX_FLOAT last = m_Stack[m_StackCount - 1];
+ int ii;
+ for (ii = 0; ii < n - 1; ii ++) {
+ m_Stack[m_StackCount - ii - 1] = m_Stack[m_StackCount - ii - 2];
+ }
+ m_Stack[m_StackCount - ii - 1] = last;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ return TRUE;
+}
+static FX_FLOAT PDF_Interpolate(FX_FLOAT x, FX_FLOAT xmin, FX_FLOAT xmax, FX_FLOAT ymin, FX_FLOAT ymax)
+{
+ return ((x - xmin) * (ymax - ymin) / (xmax - xmin)) + ymin;
+}
+static FX_DWORD _GetBits32(FX_LPCBYTE pData, int bitpos, int nbits)
+{
+ int result = 0;
+ for (int i = 0; i < nbits; i ++)
+ if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8))) {
+ result |= 1 << (nbits - i - 1);
+ }
+ return result;
+}
+typedef struct {
+ FX_FLOAT encode_max, encode_min;
+ int sizes;
+} SampleEncodeInfo;
+typedef struct {
+ FX_FLOAT decode_max, decode_min;
+} SampleDecodeInfo;
+class CPDF_SampledFunc : public CPDF_Function
+{
+public:
+ CPDF_SampledFunc();
+ virtual ~CPDF_SampledFunc();
+ virtual FX_BOOL v_Init(CPDF_Object* pObj);
+ virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
+ SampleEncodeInfo* m_pEncodeInfo;
+ SampleDecodeInfo* m_pDecodeInfo;
+ FX_DWORD m_nBitsPerSample, m_SampleMax;
+ CPDF_StreamAcc* m_pSampleStream;
+};
+CPDF_SampledFunc::CPDF_SampledFunc()
+{
+ m_pSampleStream = NULL;
+ m_pEncodeInfo = NULL;
+ m_pDecodeInfo = NULL;
+}
+CPDF_SampledFunc::~CPDF_SampledFunc()
+{
+ if (m_pSampleStream) {
+ delete m_pSampleStream;
+ }
+ if (m_pEncodeInfo) {
+ FX_Free(m_pEncodeInfo);
+ }
+ if (m_pDecodeInfo) {
+ FX_Free(m_pDecodeInfo);
+ }
+}
+FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj)
+{
+ if (pObj->GetType() != PDFOBJ_STREAM) {
+ return FALSE;
+ }
+ CPDF_Stream* pStream = (CPDF_Stream*)pObj;
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ CPDF_Array* pSize = pDict->GetArray(FX_BSTRC("Size"));
+ CPDF_Array* pEncode = pDict->GetArray(FX_BSTRC("Encode"));
+ CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode"));
+ m_nBitsPerSample = pDict->GetInteger(FX_BSTRC("BitsPerSample"));
+ m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample);
+ m_pSampleStream = FX_NEW CPDF_StreamAcc;
+ m_pSampleStream->LoadAllData(pStream, FALSE);
+ m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs);
+ int i;
+ FX_DWORD nTotalSamples = 1;
+ for (i = 0; i < m_nInputs; i ++) {
+ m_pEncodeInfo[i].sizes = pSize->GetInteger(i);
+ if (!pSize && i == 0) {
+ m_pEncodeInfo[i].sizes = pDict->GetInteger(FX_BSTRC("Size"));
+ }
+ if (nTotalSamples > 0 && (FX_UINT32)(m_pEncodeInfo[i].sizes) > UINT_MAX / nTotalSamples) {
+ return FALSE;
+ }
+ nTotalSamples *= m_pEncodeInfo[i].sizes;
+ if (pEncode) {
+ m_pEncodeInfo[i].encode_min = pEncode->GetFloat(i * 2);
+ m_pEncodeInfo[i].encode_max = pEncode->GetFloat(i * 2 + 1);
+ } else {
+ m_pEncodeInfo[i].encode_min = 0;
+ if (m_pEncodeInfo[i].sizes == 1) {
+ m_pEncodeInfo[i].encode_max = 1;
+ } else {
+ m_pEncodeInfo[i].encode_max = (FX_FLOAT)m_pEncodeInfo[i].sizes - 1;
+ }
+ }
+ }
+ if (nTotalSamples > 0 && m_nBitsPerSample > UINT_MAX / nTotalSamples) {
+ return FALSE;
+ }
+ nTotalSamples *= m_nBitsPerSample;
+ if (nTotalSamples > 0 && ((FX_UINT32)m_nOutputs) > UINT_MAX / nTotalSamples) {
+ return FALSE;
+ }
+ nTotalSamples *= m_nOutputs;
+ if (nTotalSamples == 0 || m_pSampleStream->GetSize() * 8 < nTotalSamples) {
+ return FALSE;
+ }
+ m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs);
+ for (i = 0; i < m_nOutputs; i ++) {
+ if (pDecode) {
+ m_pDecodeInfo[i].decode_min = pDecode->GetFloat(2 * i);
+ m_pDecodeInfo[i].decode_max = pDecode->GetFloat(2 * i + 1);
+ } else {
+ m_pDecodeInfo[i].decode_min = m_pRanges[i * 2];
+ m_pDecodeInfo[i].decode_max = m_pRanges[i * 2 + 1];
+ }
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
+{
+ int pos = 0;
+ CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs);
+ FX_FLOAT* encoded_input = encoded_input_buf;
+ CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2);
+ int* index = int_buf;
+ int* blocksize = index + m_nInputs;
+ for (int i = 0; i < m_nInputs; i ++) {
+ if (i == 0) {
+ blocksize[i] = 1;
+ } else {
+ blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes;
+ }
+ encoded_input[i] = PDF_Interpolate(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1],
+ m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max);
+ index[i] = (int)encoded_input[i];
+ if (index[i] < 0) {
+ index[i] = 0;
+ } else if (index[i] > m_pEncodeInfo[i].sizes - 1) {
+ index[i] = m_pEncodeInfo[i].sizes - 1;
+ }
+ pos += index[i] * blocksize[i];
+ }
+ int bitpos = pos * m_nBitsPerSample * m_nOutputs;
+ FX_LPCBYTE pSampleData = m_pSampleStream->GetData();
+ if (pSampleData == NULL) {
+ return FALSE;
+ }
+ for (int j = 0; j < m_nOutputs; j ++) {
+ FX_DWORD sample = _GetBits32(pSampleData, bitpos + j * m_nBitsPerSample, m_nBitsPerSample);
+ FX_FLOAT encoded = (FX_FLOAT)sample;
+ for (int i = 0; i < m_nInputs; i ++) {
+ if (index[i] == m_pEncodeInfo[i].sizes - 1) {
+ if (index[i] == 0) {
+ encoded = encoded_input[i] * (FX_FLOAT)sample;
+ }
+ } else {
+ int bitpos1 = bitpos + m_nBitsPerSample * m_nOutputs * blocksize[i];
+ FX_DWORD sample1 = _GetBits32(pSampleData, bitpos1 + j * m_nBitsPerSample, m_nBitsPerSample);
+ encoded += (encoded_input[i] - index[i]) * ((FX_FLOAT)sample1 - (FX_FLOAT)sample);
+ }
+ }
+ results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax,
+ m_pDecodeInfo[j].decode_min, m_pDecodeInfo[j].decode_max);
+ }
+ return TRUE;
+}
+class CPDF_PSFunc : public CPDF_Function
+{
+public:
+ virtual FX_BOOL v_Init(CPDF_Object* pObj);
+ virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
+ CPDF_PSEngine m_PS;
+};
+FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj)
+{
+ CPDF_Stream* pStream = (CPDF_Stream*)pObj;
+ CPDF_StreamAcc acc;
+ acc.LoadAllData(pStream, FALSE);
+ return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize());
+}
+FX_BOOL CPDF_PSFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
+{
+ CPDF_PSEngine& PS = (CPDF_PSEngine&)m_PS;
+ PS.Reset();
+ int i;
+ for (i = 0; i < m_nInputs; i ++) {
+ PS.Push(inputs[i]);
+ }
+ PS.Execute();
+ if (PS.GetStackSize() < m_nOutputs) {
+ return FALSE;
+ }
+ for (i = 0; i < m_nOutputs; i ++) {
+ results[m_nOutputs - i - 1] = PS.Pop();
+ }
+ return TRUE;
+}
+class CPDF_ExpIntFunc : public CPDF_Function
+{
+public:
+ CPDF_ExpIntFunc();
+ virtual ~CPDF_ExpIntFunc();
+ virtual FX_BOOL v_Init(CPDF_Object* pObj);
+ virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
+ FX_FLOAT m_Exponent;
+ FX_FLOAT* m_pBeginValues;
+ FX_FLOAT* m_pEndValues;
+ int m_nOrigOutputs;
+};
+CPDF_ExpIntFunc::CPDF_ExpIntFunc()
+{
+ m_pBeginValues = NULL;
+ m_pEndValues = NULL;
+}
+CPDF_ExpIntFunc::~CPDF_ExpIntFunc()
+{
+ if (m_pBeginValues) {
+ FX_Free(m_pBeginValues);
+ }
+ if (m_pEndValues) {
+ FX_Free(m_pEndValues);
+ }
+}
+FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj)
+{
+ CPDF_Dictionary* pDict = pObj->GetDict();
+ if (pDict == NULL) {
+ return FALSE;
+ }
+ CPDF_Array* pArray0 = pDict->GetArray(FX_BSTRC("C0"));
+ if (m_nOutputs == 0) {
+ m_nOutputs = 1;
+ if (pArray0) {
+ m_nOutputs = pArray0->GetCount();
+ }
+ }
+ CPDF_Array* pArray1 = pDict->GetArray(FX_BSTRC("C1"));
+ m_pBeginValues = FX_Alloc(FX_FLOAT, m_nOutputs * 2);
+ m_pEndValues = FX_Alloc(FX_FLOAT, m_nOutputs * 2);
+ for (int i = 0; i < m_nOutputs; i ++) {
+ m_pBeginValues[i] = pArray0 ? pArray0->GetFloat(i) : 0.0f;
+ m_pEndValues[i] = pArray1 ? pArray1->GetFloat(i) : 1.0f;
+ }
+ m_Exponent = pDict->GetFloat(FX_BSTRC("N"));
+ m_nOrigOutputs = m_nOutputs;
+ if (m_nOutputs && m_nInputs > INT_MAX / m_nOutputs) {
+ return FALSE;
+ }
+ m_nOutputs *= m_nInputs;
+ return TRUE;
+}
+FX_BOOL CPDF_ExpIntFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
+{
+ for (int i = 0; i < m_nInputs; i ++)
+ for (int j = 0; j < m_nOrigOutputs; j ++) {
+ results[i * m_nOrigOutputs + j] = m_pBeginValues[j] + (FX_FLOAT)FXSYS_pow(inputs[i], m_Exponent) *
+ (m_pEndValues[j] - m_pBeginValues[j]);
+ }
+ return TRUE;
+}
+class CPDF_StitchFunc : public CPDF_Function
+{
+public:
+ CPDF_StitchFunc();
+ virtual ~CPDF_StitchFunc();
+ virtual FX_BOOL v_Init(CPDF_Object* pObj);
+ virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const;
+ int m_nSubs;
+ CPDF_Function** m_pSubFunctions;
+ FX_FLOAT* m_pBounds;
+ FX_FLOAT* m_pEncode;
+};
+CPDF_StitchFunc::CPDF_StitchFunc()
+{
+ m_nSubs = 0;
+ m_pSubFunctions = NULL;
+ m_pBounds = NULL;
+ m_pEncode = NULL;
+}
+CPDF_StitchFunc::~CPDF_StitchFunc()
+{
+ for (int i = 0; i < m_nSubs; i ++)
+ if (m_pSubFunctions[i]) {
+ delete m_pSubFunctions[i];
+ }
+ if (m_pSubFunctions) {
+ FX_Free(m_pSubFunctions);
+ }
+ if (m_pBounds) {
+ FX_Free(m_pBounds);
+ }
+ if (m_pEncode) {
+ FX_Free(m_pEncode);
+ }
+}
+FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj)
+{
+ CPDF_Dictionary* pDict = pObj->GetDict();
+ if (pDict == NULL) {
+ return FALSE;
+ }
+ CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Functions"));
+ if (pArray == NULL) {
+ return FALSE;
+ }
+ m_nSubs = pArray->GetCount();
+ if (m_nSubs == 0) {
+ return FALSE;
+ }
+ m_pSubFunctions = FX_Alloc(CPDF_Function*, m_nSubs);
+ FXSYS_memset32(m_pSubFunctions, 0, sizeof(CPDF_Function*)*m_nSubs);
+ m_nOutputs = 0;
+ int i;
+ for (i = 0; i < m_nSubs; i ++) {
+ CPDF_Object* pSub = pArray->GetElementValue(i);
+ if (pSub == pObj) {
+ return FALSE;
+ }
+ m_pSubFunctions[i] = CPDF_Function::Load(pSub);
+ if (m_pSubFunctions[i] == NULL) {
+ return FALSE;
+ }
+ if (m_pSubFunctions[i]->CountOutputs() > m_nOutputs) {
+ m_nOutputs = m_pSubFunctions[i]->CountOutputs();
+ }
+ }
+ m_pBounds = FX_Alloc(FX_FLOAT, m_nSubs + 1);
+ m_pBounds[0] = m_pDomains[0];
+ pArray = pDict->GetArray(FX_BSTRC("Bounds"));
+ if (pArray == NULL) {
+ return FALSE;
+ }
+ for (i = 0; i < m_nSubs - 1; i ++) {
+ m_pBounds[i + 1] = pArray->GetFloat(i);
+ }
+ m_pBounds[m_nSubs] = m_pDomains[1];
+ m_pEncode = FX_Alloc(FX_FLOAT, m_nSubs * 2);
+ pArray = pDict->GetArray(FX_BSTRC("Encode"));
+ if (pArray == NULL) {
+ return FALSE;
+ }
+ for (i = 0; i < m_nSubs * 2; i ++) {
+ m_pEncode[i] = pArray->GetFloat(i);
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const
+{
+ FX_FLOAT input = inputs[0];
+ int i;
+ for (i = 0; i < m_nSubs - 1; i ++)
+ if (input < m_pBounds[i + 1]) {
+ break;
+ }
+ if (m_pSubFunctions[i] == NULL) {
+ return FALSE;
+ }
+ input = PDF_Interpolate(input, m_pBounds[i], m_pBounds[i + 1], m_pEncode[i * 2], m_pEncode[i * 2 + 1]);
+ int nresults;
+ m_pSubFunctions[i]->Call(&input, m_nInputs, outputs, nresults);
+ return TRUE;
+}
+CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj)
+{
+ if (pFuncObj == NULL) {
+ return NULL;
+ }
+ CPDF_Function* pFunc = NULL;
+ int type;
+ if (pFuncObj->GetType() == PDFOBJ_STREAM) {
+ type = ((CPDF_Stream*)pFuncObj)->GetDict()->GetInteger(FX_BSTRC("FunctionType"));
+ } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) {
+ type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType"));
+ } else {
+ return NULL;
+ }
+ if (type == 0) {
+ pFunc = FX_NEW CPDF_SampledFunc;
+ } else if (type == 2) {
+ pFunc = FX_NEW CPDF_ExpIntFunc;
+ } else if (type == 3) {
+ pFunc = FX_NEW CPDF_StitchFunc;
+ } else if (type == 4) {
+ pFunc = FX_NEW CPDF_PSFunc;
+ } else {
+ return NULL;
+ }
+ if (!pFunc->Init(pFuncObj)) {
+ delete pFunc;
+ return NULL;
+ }
+ return pFunc;
+}
+CPDF_Function::CPDF_Function()
+{
+ m_pDomains = NULL;
+ m_pRanges = NULL;
+}
+CPDF_Function::~CPDF_Function()
+{
+ if (m_pDomains) {
+ FX_Free(m_pDomains);
+ m_pDomains = NULL;
+ }
+ if (m_pRanges) {
+ FX_Free(m_pRanges);
+ m_pRanges = NULL;
+ }
+}
+FX_BOOL CPDF_Function::Init(CPDF_Object* pObj)
+{
+ CPDF_Dictionary* pDict;
+ if (pObj->GetType() == PDFOBJ_STREAM) {
+ pDict = ((CPDF_Stream*)pObj)->GetDict();
+ } else {
+ pDict = (CPDF_Dictionary*)pObj;
+ }
+ CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain"));
+ if (pDomains == NULL) {
+ return FALSE;
+ }
+ m_nInputs = pDomains->GetCount() / 2;
+ if (m_nInputs == 0) {
+ return FALSE;
+ }
+ m_pDomains = FX_Alloc(FX_FLOAT, m_nInputs * 2);
+ for (int i = 0; i < m_nInputs * 2; i ++) {
+ m_pDomains[i] = pDomains->GetFloat(i);
+ }
+ CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
+ m_nOutputs = 0;
+ if (pRanges) {
+ m_nOutputs = pRanges->GetCount() / 2;
+ m_pRanges = FX_Alloc(FX_FLOAT, m_nOutputs * 2);
+ for (int i = 0; i < m_nOutputs * 2; i ++) {
+ m_pRanges[i] = pRanges->GetFloat(i);
+ }
+ }
+ FX_DWORD old_outputs = m_nOutputs;
+ FX_BOOL ret = v_Init(pObj);
+ if (m_pRanges && m_nOutputs > (int)old_outputs) {
+ m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2);
+ if (m_pRanges) {
+ FXSYS_memset32(m_pRanges + (old_outputs * 2), 0, sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2);
+ }
+ }
+ return ret;
+}
+FX_BOOL CPDF_Function::Call(FX_FLOAT* inputs, int ninputs, FX_FLOAT* results, int& nresults) const
+{
+ if (m_nInputs != ninputs) {
+ return FALSE;
+ }
+ nresults = m_nOutputs;
+ for (int i = 0; i < m_nInputs; i ++) {
+ if (inputs[i] < m_pDomains[i * 2]) {
+ inputs[i] = m_pDomains[i * 2];
+ } else if (inputs[i] > m_pDomains[i * 2 + 1]) {
+ inputs[i] = m_pDomains[i * 2] + 1;
+ }
+ }
+ v_Call(inputs, results);
+ if (m_pRanges) {
+ for (int i = 0; i < m_nOutputs; i ++) {
+ if (results[i] < m_pRanges[i * 2]) {
+ results[i] = m_pRanges[i * 2];
+ } else if (results[i] > m_pRanges[i * 2 + 1]) {
+ results[i] = m_pRanges[i * 2 + 1];
+ }
+ }
+ }
+ return TRUE;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp new file mode 100644 index 0000000000..e9115e6342 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp @@ -0,0 +1,707 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fpdfapi/fpdf_render.h"
+#include "pageint.h"
+#include "../fpdf_render/render_int.h"
+void CPDF_GraphicStates::DefaultStates()
+{
+ m_ColorState.New()->Default();
+}
+void CPDF_GraphicStates::CopyStates(const CPDF_GraphicStates& src)
+{
+ m_ClipPath = src.m_ClipPath;
+ m_GraphState = src.m_GraphState;
+ m_ColorState = src.m_ColorState;
+ m_TextState = src.m_TextState;
+ m_GeneralState = src.m_GeneralState;
+}
+CPDF_ClipPathData::CPDF_ClipPathData()
+{
+ m_PathCount = 0;
+ m_pPathList = NULL;
+ m_pTypeList = NULL;
+ m_TextCount = 0;
+ m_pTextList = NULL;
+}
+CPDF_ClipPathData::~CPDF_ClipPathData()
+{
+ int i;
+ if (m_pPathList) {
+ FX_DELETE_VECTOR(m_pPathList, CPDF_Path, m_PathCount);
+ }
+ if (m_pTypeList) {
+ FX_Free(m_pTypeList);
+ }
+ for (i = m_TextCount - 1; i > -1; i --)
+ if (m_pTextList[i]) {
+ delete m_pTextList[i];
+ }
+ if (m_pTextList) {
+ FX_Free(m_pTextList);
+ }
+}
+CPDF_ClipPathData::CPDF_ClipPathData(const CPDF_ClipPathData& src)
+{
+ m_pPathList = NULL;
+ m_pPathList = NULL;
+ m_pTextList = NULL;
+ m_PathCount = src.m_PathCount;
+ if (m_PathCount) {
+ int alloc_size = m_PathCount;
+ if (alloc_size % 8) {
+ alloc_size += 8 - (alloc_size % 8);
+ }
+ FX_NEW_VECTOR(m_pPathList, CPDF_Path, alloc_size);
+ for (int i = 0; i < m_PathCount; i ++) {
+ m_pPathList[i] = src.m_pPathList[i];
+ }
+ m_pTypeList = FX_Alloc(FX_BYTE, alloc_size);
+ FXSYS_memcpy32(m_pTypeList, src.m_pTypeList, m_PathCount);
+ } else {
+ m_pPathList = NULL;
+ m_pTypeList = NULL;
+ }
+ m_TextCount = src.m_TextCount;
+ if (m_TextCount) {
+ m_pTextList = FX_Alloc(CPDF_TextObject*, m_TextCount);
+ FXSYS_memset32(m_pTextList, 0, sizeof(CPDF_TextObject*) * m_TextCount);
+ for (int i = 0; i < m_TextCount; i ++) {
+ if (src.m_pTextList[i]) {
+ m_pTextList[i] = FX_NEW CPDF_TextObject;
+ m_pTextList[i]->Copy(src.m_pTextList[i]);
+ } else {
+ m_pTextList[i] = NULL;
+ }
+ }
+ } else {
+ m_pTextList = NULL;
+ }
+}
+void CPDF_ClipPathData::SetCount(int path_count, int text_count)
+{
+ ASSERT(m_TextCount == 0 && m_PathCount == 0);
+ if (path_count) {
+ m_PathCount = path_count;
+ int alloc_size = (path_count + 7) / 8 * 8;
+ FX_NEW_VECTOR(m_pPathList, CPDF_Path, alloc_size);
+ m_pTypeList = FX_Alloc(FX_BYTE, alloc_size);
+ }
+ if (text_count) {
+ m_TextCount = text_count;
+ m_pTextList = FX_Alloc(CPDF_TextObject*, text_count);
+ FXSYS_memset32(m_pTextList, 0, sizeof(void*) * text_count);
+ }
+}
+CPDF_Rect CPDF_ClipPath::GetClipBox() const
+{
+ CPDF_Rect rect;
+ FX_BOOL bStarted = FALSE;
+ int count = GetPathCount();
+ if (count) {
+ rect = GetPath(0).GetBoundingBox();
+ for (int i = 1; i < count; i ++) {
+ CPDF_Rect path_rect = GetPath(i).GetBoundingBox();
+ rect.Intersect(path_rect);
+ }
+ bStarted = TRUE;
+ }
+ count = GetTextCount();
+ if (count) {
+ CPDF_Rect layer_rect;
+ FX_BOOL bLayerStarted = FALSE;
+ for (int i = 0; i < count; i ++) {
+ CPDF_TextObject* pTextObj = GetText(i);
+ if (pTextObj == NULL) {
+ if (!bStarted) {
+ rect = layer_rect;
+ bStarted = TRUE;
+ } else {
+ rect.Intersect(layer_rect);
+ }
+ bLayerStarted = FALSE;
+ } else {
+ if (!bLayerStarted) {
+ layer_rect = pTextObj->GetBBox(NULL);
+ bLayerStarted = TRUE;
+ } else {
+ layer_rect.Union(pTextObj->GetBBox(NULL));
+ }
+ }
+ }
+ }
+ return rect;
+}
+void CPDF_ClipPath::AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge)
+{
+ CPDF_ClipPathData* pData = GetModify();
+ if (pData->m_PathCount && bAutoMerge) {
+ CPDF_Path old_path = pData->m_pPathList[pData->m_PathCount - 1];
+ if (old_path.IsRect()) {
+ CPDF_Rect old_rect(old_path.GetPointX(0), old_path.GetPointY(0),
+ old_path.GetPointX(2), old_path.GetPointY(2));
+ CPDF_Rect new_rect = path.GetBoundingBox();
+ if (old_rect.Contains(new_rect)) {
+ pData->m_PathCount --;
+ pData->m_pPathList[pData->m_PathCount].SetNull();
+ }
+ }
+ }
+ if (pData->m_PathCount % 8 == 0) {
+ CPDF_Path* pNewPath;
+ FX_NEW_VECTOR(pNewPath, CPDF_Path, pData->m_PathCount + 8);
+ for (int i = 0; i < pData->m_PathCount; i ++) {
+ pNewPath[i] = pData->m_pPathList[i];
+ }
+ if (pData->m_pPathList) {
+ FX_DELETE_VECTOR(pData->m_pPathList, CPDF_Path, pData->m_PathCount);
+ }
+ FX_BYTE* pNewType = FX_Alloc(FX_BYTE, pData->m_PathCount + 8);
+ FXSYS_memcpy32(pNewType, pData->m_pTypeList, pData->m_PathCount);
+ if (pData->m_pTypeList) {
+ FX_Free(pData->m_pTypeList);
+ }
+ pData->m_pPathList = pNewPath;
+ pData->m_pTypeList = pNewType;
+ }
+ pData->m_pPathList[pData->m_PathCount] = path;
+ pData->m_pTypeList[pData->m_PathCount] = (FX_BYTE)type;
+ pData->m_PathCount ++;
+}
+void CPDF_ClipPath::DeletePath(int index)
+{
+ CPDF_ClipPathData* pData = GetModify();
+ if (index >= pData->m_PathCount) {
+ return;
+ }
+ pData->m_pPathList[index].SetNull();
+ for (int i = index; i < pData->m_PathCount - 1; i ++) {
+ pData->m_pPathList[i] = pData->m_pPathList[i + 1];
+ }
+ pData->m_pPathList[pData->m_PathCount - 1].SetNull();
+ FXSYS_memmove32(pData->m_pTypeList + index, pData->m_pTypeList + index + 1, pData->m_PathCount - index - 1);
+ pData->m_PathCount --;
+}
+#define FPDF_CLIPPATH_MAX_TEXTS 1024
+void CPDF_ClipPath::AppendTexts(CPDF_TextObject** pTexts, int count)
+{
+ CPDF_ClipPathData* pData = GetModify();
+ if (pData->m_TextCount + count > FPDF_CLIPPATH_MAX_TEXTS) {
+ for (int i = 0; i < count; i ++) {
+ pTexts[i]->Release();
+ }
+ return;
+ }
+ CPDF_TextObject** pNewList = FX_Alloc(CPDF_TextObject*, pData->m_TextCount + count + 1);
+ if (pData->m_pTextList) {
+ FXSYS_memcpy32(pNewList, pData->m_pTextList, pData->m_TextCount * sizeof(CPDF_TextObject*));
+ FX_Free(pData->m_pTextList);
+ }
+ pData->m_pTextList = pNewList;
+ for (int i = 0; i < count; i ++) {
+ pData->m_pTextList[pData->m_TextCount + i] = pTexts[i];
+ }
+ pData->m_pTextList[pData->m_TextCount + count] = NULL;
+ pData->m_TextCount += count + 1;
+}
+void CPDF_ClipPath::Transform(const CPDF_Matrix& matrix)
+{
+ CPDF_ClipPathData* pData = GetModify();
+ int i;
+ for (i = 0; i < pData->m_PathCount; i ++) {
+ pData->m_pPathList[i].Transform(&matrix);
+ }
+ for (i = 0; i < pData->m_TextCount; i ++)
+ if (pData->m_pTextList[i]) {
+ pData->m_pTextList[i]->Transform(matrix);
+ }
+}
+CPDF_ColorStateData::CPDF_ColorStateData(const CPDF_ColorStateData& src)
+{
+ m_FillColor.Copy(&src.m_FillColor);
+ m_FillRGB = src.m_FillRGB;
+ m_StrokeColor.Copy(&src.m_StrokeColor);
+ m_StrokeRGB = src.m_StrokeRGB;
+}
+void CPDF_ColorStateData::Default()
+{
+ m_FillRGB = m_StrokeRGB = 0;
+ m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+ m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+}
+void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues)
+{
+ CPDF_ColorStateData* pData = GetModify();
+ SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues);
+}
+void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues)
+{
+ CPDF_ColorStateData* pData = GetModify();
+ SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues);
+}
+void CPDF_ColorState::SetColor(CPDF_Color& color, FX_DWORD& rgb, CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues)
+{
+ if (pCS) {
+ color.SetColorSpace(pCS);
+ } else if (color.IsNull()) {
+ color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+ }
+ if (color.m_pCS->CountComponents() > nValues) {
+ return;
+ }
+ color.SetValue(pValue);
+ int R, G, B;
+ rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD) - 1;
+}
+void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern, FX_FLOAT* pValue, int nValues)
+{
+ CPDF_ColorStateData* pData = GetModify();
+ pData->m_FillColor.SetValue(pPattern, pValue, nValues);
+ int R, G, B;
+ FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B);
+ if (pPattern->m_PatternType == 1 && ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
+ pData->m_FillRGB = 0x00BFBFBF;
+ return;
+ }
+ pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (FX_DWORD) - 1;
+}
+void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern, FX_FLOAT* pValue, int nValues)
+{
+ CPDF_ColorStateData* pData = GetModify();
+ pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
+ int R, G, B;
+ FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B);
+ if (pPattern->m_PatternType == 1 && ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
+ pData->m_StrokeRGB = 0x00BFBFBF;
+ return;
+ }
+ pData->m_StrokeRGB = pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD) - 1;
+}
+CPDF_TextStateData::CPDF_TextStateData()
+{
+ m_pFont = NULL;
+ m_FontSize = 1.0f;
+ m_WordSpace = 0;
+ m_CharSpace = 0;
+ m_TextMode = 0;
+ m_Matrix[0] = m_Matrix[3] = 1.0f;
+ m_Matrix[1] = m_Matrix[2] = 0;
+ m_CTM[0] = m_CTM[3] = 1.0f;
+ m_CTM[1] = m_CTM[2] = 0;
+}
+CPDF_TextStateData::CPDF_TextStateData(const CPDF_TextStateData& src)
+{
+ FXSYS_memcpy32(this, &src, sizeof(CPDF_TextStateData));
+ if (m_pFont && m_pFont->m_pDocument) {
+ m_pFont = m_pFont->m_pDocument->GetPageData()->GetFont(m_pFont->GetFontDict(), FALSE);
+ }
+}
+CPDF_TextStateData::~CPDF_TextStateData()
+{
+ CPDF_Font* pFont = m_pFont;
+ if (pFont && pFont->m_pDocument) {
+ pFont->m_pDocument->GetPageData()->ReleaseFont(pFont->GetFontDict());
+ }
+}
+void CPDF_TextState::SetFont(CPDF_Font* pFont)
+{
+ CPDF_Font*& pStateFont = GetModify()->m_pFont;
+ CPDF_DocPageData* pDocPageData = NULL;
+ if (pStateFont && pStateFont->m_pDocument) {
+ pDocPageData = pStateFont->m_pDocument->GetPageData();
+ pDocPageData->ReleaseFont(pStateFont->GetFontDict());
+ }
+ pStateFont = pFont;
+}
+FX_FLOAT CPDF_TextState::GetFontSizeV() const
+{
+ FX_FLOAT* pMatrix = GetMatrix();
+ FX_FLOAT unit = FXSYS_sqrt2(pMatrix[1], pMatrix[3]);
+ FX_FLOAT size = FXSYS_Mul(unit, GetFontSize());
+ return (FX_FLOAT)FXSYS_fabs(size);
+}
+FX_FLOAT CPDF_TextState::GetFontSizeH() const
+{
+ FX_FLOAT* pMatrix = GetMatrix();
+ FX_FLOAT unit = FXSYS_sqrt2(pMatrix[0], pMatrix[2]);
+ FX_FLOAT size = FXSYS_Mul(unit, GetFontSize());
+ return (FX_FLOAT)FXSYS_fabs(size);
+}
+FX_FLOAT CPDF_TextState::GetBaselineAngle() const
+{
+ FX_FLOAT* m_Matrix = GetMatrix();
+ return FXSYS_atan2(m_Matrix[2], m_Matrix[0]);
+}
+FX_FLOAT CPDF_TextState::GetShearAngle() const
+{
+ FX_FLOAT* m_Matrix = GetMatrix();
+ FX_FLOAT shear_angle = FXSYS_atan2(m_Matrix[1], m_Matrix[3]);
+ return GetBaselineAngle() + shear_angle;
+}
+CPDF_GeneralStateData::CPDF_GeneralStateData()
+{
+ FXSYS_memset32(this, 0, sizeof(CPDF_GeneralStateData));
+ FXSYS_strcpy((FX_LPSTR)m_BlendMode, (FX_LPCSTR)"Normal");
+ m_StrokeAlpha = 1.0f;
+ m_FillAlpha = 1.0f;
+ m_Flatness = 1.0f;
+ m_Matrix.SetIdentity();
+}
+CPDF_GeneralStateData::CPDF_GeneralStateData(const CPDF_GeneralStateData& src)
+{
+ FXSYS_memcpy32(this, &src, sizeof(CPDF_GeneralStateData));
+ if (src.m_pTransferFunc && src.m_pTransferFunc->m_pPDFDoc) {
+ CPDF_DocRenderData* pDocCache = src.m_pTransferFunc->m_pPDFDoc->GetRenderData();
+ if (!pDocCache) {
+ return;
+ }
+ m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR);
+ }
+}
+CPDF_GeneralStateData::~CPDF_GeneralStateData()
+{
+ if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) {
+ CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData();
+ if (!pDocCache) {
+ return;
+ }
+ pDocCache->ReleaseTransferFunc(m_pTR);
+ }
+}
+static int GetBlendType(FX_BSTR mode)
+{
+ switch (mode.GetID()) {
+ case FXBSTR_ID('N', 'o', 'r', 'm'):
+ case FXBSTR_ID('C', 'o', 'm', 'p'):
+ return FXDIB_BLEND_NORMAL;
+ case FXBSTR_ID('M', 'u', 'l', 't'):
+ return FXDIB_BLEND_MULTIPLY;
+ case FXBSTR_ID('S', 'c', 'r', 'e'):
+ return FXDIB_BLEND_SCREEN;
+ case FXBSTR_ID('O', 'v', 'e', 'r'):
+ return FXDIB_BLEND_OVERLAY;
+ case FXBSTR_ID('D', 'a', 'r', 'k'):
+ return FXDIB_BLEND_DARKEN;
+ case FXBSTR_ID('L', 'i', 'g', 'h'):
+ return FXDIB_BLEND_LIGHTEN;
+ case FXBSTR_ID('C', 'o', 'l', 'o'):
+ if (mode.GetLength() == 10) {
+ return FXDIB_BLEND_COLORDODGE;
+ }
+ if (mode.GetLength() == 9) {
+ return FXDIB_BLEND_COLORBURN;
+ }
+ return FXDIB_BLEND_COLOR;
+ case FXBSTR_ID('H', 'a', 'r', 'd'):
+ return FXDIB_BLEND_HARDLIGHT;
+ case FXBSTR_ID('S', 'o', 'f', 't'):
+ return FXDIB_BLEND_SOFTLIGHT;
+ case FXBSTR_ID('D', 'i', 'f', 'f'):
+ return FXDIB_BLEND_DIFFERENCE;
+ case FXBSTR_ID('E', 'x', 'c', 'l'):
+ return FXDIB_BLEND_EXCLUSION;
+ case FXBSTR_ID('H', 'u', 'e', 0):
+ return FXDIB_BLEND_HUE;
+ case FXBSTR_ID('S', 'a', 't', 'u'):
+ return FXDIB_BLEND_SATURATION;
+ case FXBSTR_ID('L', 'u', 'm', 'i'):
+ return FXDIB_BLEND_LUMINOSITY;
+ }
+ return FXDIB_BLEND_NORMAL;
+}
+void CPDF_GeneralStateData::SetBlendMode(FX_BSTR blend_mode)
+{
+ if (blend_mode.GetLength() > 15) {
+ return;
+ }
+ FXSYS_memcpy32(m_BlendMode, (FX_LPCBYTE)blend_mode, blend_mode.GetLength());
+ m_BlendMode[blend_mode.GetLength()] = 0;
+ m_BlendType = ::GetBlendType(blend_mode);
+}
+int RI_StringToId(const CFX_ByteString& ri)
+{
+ FX_DWORD id = ri.GetID();
+ if (id == FXBSTR_ID('A', 'b', 's', 'o')) {
+ return 1;
+ }
+ if (id == FXBSTR_ID('S', 'a', 't', 'u')) {
+ return 2;
+ }
+ if (id == FXBSTR_ID('P', 'e', 'r', 'c')) {
+ return 3;
+ }
+ return 0;
+}
+void CPDF_GeneralState::SetRenderIntent(const CFX_ByteString& ri)
+{
+ GetModify()->m_RenderIntent = RI_StringToId(ri);
+}
+CPDF_AllStates::CPDF_AllStates()
+{
+ m_TextX = m_TextY = m_TextLineX = m_TextLineY = 0;
+ m_TextLeading = 0;
+ m_TextRise = 0;
+ m_TextHorzScale = 1.0f;
+}
+CPDF_AllStates::~CPDF_AllStates()
+{
+}
+void CPDF_AllStates::Copy(const CPDF_AllStates& src)
+{
+ CopyStates(src);
+ m_TextMatrix.Copy(src.m_TextMatrix);
+ m_ParentMatrix.Copy(src.m_ParentMatrix);
+ m_CTM.Copy(src.m_CTM);
+ m_TextX = src.m_TextX;
+ m_TextY = src.m_TextY;
+ m_TextLineX = src.m_TextLineX;
+ m_TextLineY = src.m_TextLineY;
+ m_TextLeading = src.m_TextLeading;
+ m_TextRise = src.m_TextRise;
+ m_TextHorzScale = src.m_TextHorzScale;
+}
+void CPDF_AllStates::SetLineDash(CPDF_Array* pArray, FX_FLOAT phase, FX_FLOAT scale)
+{
+ CFX_GraphStateData* pData = m_GraphState.GetModify();
+ pData->m_DashPhase = FXSYS_Mul(phase, scale);
+ pData->SetDashCount(pArray->GetCount());
+ for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
+ pData->m_DashArray[i] = FXSYS_Mul(pArray->GetNumber(i), scale);
+ }
+}
+void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS, CPDF_StreamContentParser* pParser)
+{
+ CPDF_GeneralStateData* pGeneralState = m_GeneralState.GetModify();
+ FX_POSITION pos = pGS->GetStartPos();
+ while (pos) {
+ CFX_ByteString key_str;
+ CPDF_Object* pObject = pGS->GetNextElement(pos, key_str)->GetDirect();
+ if (pObject == NULL) {
+ continue;
+ }
+ FX_DWORD key = key_str.GetID();
+ switch (key) {
+ case FXBSTR_ID('L', 'W', 0, 0):
+ m_GraphState.GetModify()->m_LineWidth = pObject->GetNumber();
+ break;
+ case FXBSTR_ID('L', 'C', 0, 0):
+ m_GraphState.GetModify()->m_LineCap = (CFX_GraphStateData::LineCap)pObject->GetInteger();
+ break;
+ case FXBSTR_ID('L', 'J', 0, 0):
+ m_GraphState.GetModify()->m_LineJoin = (CFX_GraphStateData::LineJoin)pObject->GetInteger();
+ break;
+ case FXBSTR_ID('M', 'L', 0, 0):
+ m_GraphState.GetModify()->m_MiterLimit = pObject->GetNumber();
+ break;
+ case FXBSTR_ID('D', 0, 0, 0): {
+ if (pObject->GetType() != PDFOBJ_ARRAY) {
+ break;
+ }
+ CPDF_Array* pDash = (CPDF_Array*)pObject;
+ CPDF_Array* pArray = pDash->GetArray(0);
+ if (pArray == NULL) {
+ break;
+ }
+ SetLineDash(pArray, pDash->GetNumber(1), 1.0f);
+ break;
+ }
+ case FXBSTR_ID('R', 'I', 0, 0):
+ m_GeneralState.SetRenderIntent(pObject->GetString());
+ break;
+ case FXBSTR_ID('F', 'o', 'n', 't'): {
+ if (pObject->GetType() != PDFOBJ_ARRAY) {
+ break;
+ }
+ CPDF_Array* pFont = (CPDF_Array*)pObject;
+ m_TextState.GetModify()->m_FontSize = pFont->GetNumber(1);
+ m_TextState.SetFont(pParser->FindFont(pFont->GetString(0)));
+ break;
+ }
+ case FXBSTR_ID('T', 'R', 0, 0):
+ if (pGS->KeyExist(FX_BSTRC("TR2"))) {
+ continue;
+ }
+ case FXBSTR_ID('T', 'R', '2', 0):
+ if (pObject && pObject->GetType() != PDFOBJ_NAME) {
+ pGeneralState->m_pTR = pObject;
+ } else {
+ pGeneralState->m_pTR = NULL;
+ }
+ break;
+ case FXBSTR_ID('B', 'M', 0, 0): {
+ CFX_ByteString mode;
+ if (pObject->GetType() == PDFOBJ_ARRAY) {
+ mode = ((CPDF_Array*)pObject)->GetString(0);
+ } else {
+ mode = pObject->GetString();
+ }
+ pGeneralState->SetBlendMode(mode);
+ if (pGeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) {
+ pParser->m_pObjectList->m_bBackgroundAlphaNeeded = TRUE;
+ }
+ break;
+ }
+ case FXBSTR_ID('S', 'M', 'a', 's'):
+ if (pObject && pObject->GetType() == PDFOBJ_DICTIONARY) {
+ pGeneralState->m_pSoftMask = pObject;
+ FXSYS_memcpy32(pGeneralState->m_SMaskMatrix, &pParser->m_pCurStates->m_CTM, sizeof(CPDF_Matrix));
+ } else {
+ pGeneralState->m_pSoftMask = NULL;
+ }
+ break;
+ case FXBSTR_ID('C', 'A', 0, 0):
+ pGeneralState->m_StrokeAlpha = PDF_ClipFloat(pObject->GetNumber());
+ break;
+ case FXBSTR_ID('c', 'a', 0, 0):
+ pGeneralState->m_FillAlpha = PDF_ClipFloat(pObject->GetNumber());
+ break;
+ case FXBSTR_ID('O', 'P', 0, 0):
+ pGeneralState->m_StrokeOP = pObject->GetInteger();
+ if (!pGS->KeyExist(FX_BSTRC("op"))) {
+ pGeneralState->m_FillOP = pObject->GetInteger();
+ }
+ break;
+ case FXBSTR_ID('o', 'p', 0, 0):
+ pGeneralState->m_FillOP = pObject->GetInteger();
+ break;
+ case FXBSTR_ID('O', 'P', 'M', 0):
+ pGeneralState->m_OPMode = pObject->GetInteger();
+ break;
+ case FXBSTR_ID('B', 'G', 0, 0):
+ if (pGS->KeyExist(FX_BSTRC("BG2"))) {
+ continue;
+ }
+ case FXBSTR_ID('B', 'G', '2', 0):
+ pGeneralState->m_pBG = pObject;
+ break;
+ case FXBSTR_ID('U', 'C', 'R', 0):
+ if (pGS->KeyExist(FX_BSTRC("UCR2"))) {
+ continue;
+ }
+ case FXBSTR_ID('U', 'C', 'R', '2'):
+ pGeneralState->m_pUCR = pObject;
+ break;
+ case FXBSTR_ID('H', 'T', 0, 0):
+ pGeneralState->m_pHT = pObject;
+ break;
+ case FXBSTR_ID('F', 'L', 0, 0):
+ pGeneralState->m_Flatness = pObject->GetNumber();
+ break;
+ case FXBSTR_ID('S', 'M', 0, 0):
+ pGeneralState->m_Smoothness = pObject->GetNumber();
+ break;
+ case FXBSTR_ID('S', 'A', 0, 0):
+ pGeneralState->m_StrokeAdjust = pObject->GetInteger();
+ break;
+ case FXBSTR_ID('A', 'I', 'S', 0):
+ pGeneralState->m_AlphaSource = pObject->GetInteger();
+ break;
+ case FXBSTR_ID('T', 'K', 0, 0):
+ pGeneralState->m_TextKnockout = pObject->GetInteger();
+ break;
+ }
+ }
+ pGeneralState->m_Matrix = m_CTM;
+}
+CPDF_ContentMarkItem::CPDF_ContentMarkItem()
+{
+ m_ParamType = None;
+}
+CPDF_ContentMarkItem::CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src)
+{
+ m_MarkName = src.m_MarkName;
+ m_ParamType = src.m_ParamType;
+ if (m_ParamType == DirectDict) {
+ m_pParam = ((CPDF_Dictionary*)src.m_pParam)->Clone();
+ } else {
+ m_pParam = src.m_pParam;
+ }
+}
+CPDF_ContentMarkItem::~CPDF_ContentMarkItem()
+{
+ if (m_ParamType == DirectDict) {
+ ((CPDF_Dictionary*)m_pParam)->Release();
+ }
+}
+FX_BOOL CPDF_ContentMarkItem::HasMCID() const
+{
+ if (m_pParam && (m_ParamType == DirectDict || m_ParamType == PropertiesDict)) {
+ return ((CPDF_Dictionary *)m_pParam)->KeyExist(FX_BSTRC("MCID"));
+ }
+ return FALSE;
+}
+CPDF_ContentMarkData::CPDF_ContentMarkData(const CPDF_ContentMarkData& src)
+{
+ for (int i = 0; i < src.m_Marks.GetSize(); i ++) {
+ m_Marks.Add(src.m_Marks[i]);
+ }
+}
+int CPDF_ContentMarkData::GetMCID() const
+{
+ CPDF_ContentMarkItem::ParamType type = CPDF_ContentMarkItem::None;
+ for (int i = 0; i < m_Marks.GetSize(); i ++) {
+ type = m_Marks[i].GetParamType();
+ if (type == CPDF_ContentMarkItem::PropertiesDict || type == CPDF_ContentMarkItem::DirectDict) {
+ CPDF_Dictionary *pDict = (CPDF_Dictionary *)m_Marks[i].GetParam();
+ if (pDict->KeyExist(FX_BSTRC("MCID"))) {
+ return pDict->GetInteger(FX_BSTRC("MCID"));
+ }
+ }
+ }
+ return -1;
+}
+void CPDF_ContentMarkData::AddMark(const CFX_ByteString& name, CPDF_Dictionary* pDict, FX_BOOL bDirect)
+{
+ CPDF_ContentMarkItem& item = m_Marks.Add();
+ item.SetName(name);
+ if (pDict == NULL) {
+ return;
+ }
+ item.SetParam(bDirect ? CPDF_ContentMarkItem::DirectDict : CPDF_ContentMarkItem::PropertiesDict,
+ bDirect ? pDict->Clone() : pDict);
+}
+void CPDF_ContentMarkData::DeleteLastMark()
+{
+ int size = m_Marks.GetSize();
+ if (size == 0) {
+ return;
+ }
+ m_Marks.RemoveAt(size - 1);
+}
+FX_BOOL CPDF_ContentMark::HasMark(FX_BSTR mark) const
+{
+ if (m_pObject == NULL) {
+ return FALSE;
+ }
+ for (int i = 0; i < m_pObject->CountItems(); i ++) {
+ CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
+ if (item.GetName() == mark) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+FX_BOOL CPDF_ContentMark::LookupMark(FX_BSTR mark, CPDF_Dictionary*& pDict) const
+{
+ if (m_pObject == NULL) {
+ return FALSE;
+ }
+ for (int i = 0; i < m_pObject->CountItems(); i ++) {
+ CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
+ if (item.GetName() == mark) {
+ pDict = NULL;
+ if (item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict ||
+ item.GetParamType() == CPDF_ContentMarkItem::DirectDict) {
+ pDict = (CPDF_Dictionary*)item.GetParam();
+ }
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp new file mode 100644 index 0000000000..ec351058ac --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp @@ -0,0 +1,116 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#include "pageint.h"
+CPDF_ImageObject::CPDF_ImageObject()
+{
+ m_pImage = NULL;
+ m_Type = PDFPAGE_IMAGE;
+}
+CPDF_ImageObject::~CPDF_ImageObject()
+{
+ if (!m_pImage) {
+ return;
+ }
+ if (m_pImage->IsInline() || (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) {
+ delete m_pImage;
+ } else {
+ m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream());
+ }
+}
+void CPDF_ImageObject::CopyData(const CPDF_PageObject* pSrc)
+{
+ const CPDF_ImageObject* pSrcObj = (const CPDF_ImageObject*)pSrc;
+ if (m_pImage) {
+ m_pImage->Release();
+ }
+ m_pImage = pSrcObj->m_pImage->Clone();
+ m_Matrix = pSrcObj->m_Matrix;
+}
+void CPDF_ImageObject::Transform(const CFX_AffineMatrix& matrix)
+{
+ m_Matrix.Concat(matrix);
+ CalcBoundingBox();
+}
+void CPDF_ImageObject::CalcBoundingBox()
+{
+ m_Left = m_Bottom = 0;
+ m_Right = m_Top = 1.0f;
+ m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+}
+void CPDF_Image::Release()
+{
+ if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) {
+ delete this;
+ }
+}
+CPDF_Image* CPDF_Image::Clone()
+{
+ if (m_pStream->GetObjNum()) {
+ return m_pDocument->GetPageData()->GetImage(m_pStream);
+ }
+ CPDF_Image* pImage = FX_NEW CPDF_Image(m_pDocument);
+ pImage->LoadImageF((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), m_bInline);
+ if (m_bInline) {
+ CPDF_Dictionary *pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TRUE);
+ pImage->SetInlineDict(pInlineDict);
+ }
+ return pImage;
+}
+CPDF_Image::CPDF_Image(CPDF_Document* pDoc)
+{
+ m_pDocument = pDoc;
+ m_pStream = NULL;
+ m_pOC = NULL;
+ m_bInline = FALSE;
+ m_pInlineDict = NULL;
+ m_pDIBSource = NULL;
+ m_pMask = NULL;
+ m_MatteColor = 0;
+}
+CPDF_Image::~CPDF_Image()
+{
+ if (m_bInline) {
+ if (m_pStream) {
+#ifndef FOXIT_CHROME_BUILD
+ CPDF_Dictionary* pDict = m_pStream->GetDict();
+ if (pDict) {
+ CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
+ if (pCSObj && m_pDocument) {
+ m_pDocument->RemoveColorSpaceFromPageData(pCSObj);
+ }
+ }
+#endif
+ m_pStream->Release();
+ }
+ if (m_pInlineDict) {
+ m_pInlineDict->Release();
+ }
+ }
+}
+FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline)
+{
+ m_pStream = pStream;
+ if (m_bInline && m_pInlineDict) {
+ m_pInlineDict->Release();
+ m_pInlineDict = NULL;
+ }
+ m_bInline = bInline;
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ if (m_bInline) {
+ m_pInlineDict = (CPDF_Dictionary*)pDict->Clone();
+ }
+ m_pOC = pDict->GetDict(FX_BSTRC("OC"));
+ m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || pDict->GetInteger(FX_BSTRC("ImageMask"));
+#ifndef _FPDFAPI_MINI_
+ m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate"));
+#endif
+ m_Height = pDict->GetInteger(FX_BSTRC("Height"));
+ m_Width = pDict->GetInteger(FX_BSTRC("Width"));
+ return TRUE;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp new file mode 100644 index 0000000000..40f6d04212 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp @@ -0,0 +1,1681 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fpdfapi/fpdf_serial.h"
+#include "pageint.h"
+#define REQUIRE_PARAMS(count) if (m_ParamCount != count) { m_bAbort = TRUE; return; }
+CPDF_StreamContentParser::CPDF_StreamContentParser()
+{
+ m_DefFontSize = 0;
+ m_pCurStates = NULL;
+ m_pLastTextObject = NULL;
+ m_pPathPoints = NULL;
+ m_PathClipType = 0;
+ m_PathPointCount = m_PathAllocSize = 0;
+ m_PathCurrentX = m_PathCurrentY = 0.0f;
+ m_bResourceMissing = FALSE;
+ m_bColored = FALSE;
+ FXSYS_memset32(m_Type3Data, 0, sizeof(FX_FLOAT) * 6);
+ m_ParamCount = 0;
+ m_ParamStartPos = 0;
+ m_bAbort = FALSE;
+ m_pLastImageDict = NULL;
+ m_pLastCloneImageDict = NULL;
+ m_pLastImage = NULL;
+ m_bReleaseLastDict = TRUE;
+ m_pParentResources = NULL;
+#ifdef _FPDFAPI_MINI_
+ m_pObjectState = NULL;
+ m_pObjectStack = NULL;
+ m_pWordBuf = NULL;
+ m_pDictName = NULL;
+ m_pStreamBuf = NULL;
+ m_WordState = 0;
+ m_ObjectSize = 0;
+#endif
+}
+FX_BOOL CPDF_StreamContentParser::Initialize()
+{
+#ifdef _FPDFAPI_MINI_
+ m_pObjectState = FX_Alloc(FX_BOOL, _FPDF_MAX_OBJECT_STACK_SIZE_);
+ FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
+ m_pObjectStack = FX_Alloc(CPDF_Object*, _FPDF_MAX_OBJECT_STACK_SIZE_);
+ FXSYS_memset32(m_pObjectStack, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(CPDF_Object*));
+ m_pWordBuf = FX_Alloc(FX_BYTE, 256);
+ FXSYS_memset32(m_pWordBuf, 0, 256 * sizeof(FX_BYTE));
+ m_pDictName = FX_Alloc(FX_BYTE, 256);
+ FXSYS_memset32(m_pDictName, 0, 256 * sizeof(FX_BYTE));
+ m_pStreamBuf = FX_Alloc(FX_BYTE, STREAM_PARSE_BUFSIZE);
+ FXSYS_memset32(m_pStreamBuf, 0, STREAM_PARSE_BUFSIZE * sizeof(FX_BYTE));
+ m_StringBuf.EstimateSize(1024);
+ m_ObjectSize = 0;
+ m_ImageSrcBuf.EstimateSize(STREAM_PARSE_BUFSIZE);
+#endif
+ return TRUE;
+}
+CPDF_StreamContentParser::~CPDF_StreamContentParser()
+{
+ ClearAllParams();
+ int i = 0;
+ for (i = 0; i < m_StateStack.GetSize(); i ++) {
+ delete (CPDF_AllStates*)m_StateStack[i];
+ }
+ if (m_pPathPoints) {
+ FX_Free(m_pPathPoints);
+ }
+ if (m_pCurStates) {
+ delete m_pCurStates;
+ }
+ if (m_pLastImageDict) {
+ m_pLastImageDict->Release();
+ }
+ if (m_pLastCloneImageDict) {
+ m_pLastCloneImageDict->Release();
+ }
+#ifdef _FPDFAPI_MINI_
+ for (i = 0; i < (int)m_ObjectSize; ++i) {
+ if (!m_pObjectState[i]) {
+ m_pObjectStack[i]->Release();
+ }
+ }
+ FX_Free(m_pObjectStack);
+ FX_Free(m_pObjectState);
+ FX_Free(m_pStreamBuf);
+ FX_Free(m_pWordBuf);
+ FX_Free(m_pDictName);
+#endif
+}
+void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
+ CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources, CFX_AffineMatrix* pmtContentToUser, CPDF_PageObjects* pObjList,
+ CPDF_Dictionary* pResources, CPDF_Rect* pBBox, CPDF_ParseOptions* pOptions,
+ CPDF_AllStates* pStates, int level)
+{
+ for (int i = 0; i < 6; i ++) {
+ m_Type3Data[i] = 0;
+ }
+ m_pDocument = pDocument;
+ m_pPageResources = pPageResources;
+ m_pParentResources = pParentResources;
+ if (pmtContentToUser) {
+ m_mtContentToUser = *pmtContentToUser;
+ }
+ if (pOptions) {
+ m_Options = *pOptions;
+ }
+ m_pObjectList = pObjList;
+ m_pResources = pResources;
+ if (pResources == NULL) {
+ m_pResources = m_pParentResources;
+ }
+ if (m_pResources == NULL) {
+ m_pResources = pPageResources;
+ }
+ if (pBBox) {
+ m_BBox = *pBBox;
+ }
+ m_Level = level;
+ m_pCurStates = FX_NEW CPDF_AllStates;
+ if (pStates) {
+ m_pCurStates->Copy(*pStates);
+ } else {
+ m_pCurStates->m_GeneralState.New();
+ m_pCurStates->m_GraphState.New();
+ m_pCurStates->m_TextState.New();
+ m_pCurStates->m_ColorState.New();
+ }
+#ifdef _FPDFAPI_MINI_
+ FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
+#endif
+}
+int CPDF_StreamContentParser::GetNextParamPos()
+{
+ if (m_ParamCount == PARAM_BUF_SIZE) {
+ m_ParamStartPos ++;
+ if (m_ParamStartPos == PARAM_BUF_SIZE) {
+ m_ParamStartPos = 0;
+ }
+ if (m_ParamBuf1[m_ParamStartPos].m_Type == 0) {
+ m_ParamBuf1[m_ParamStartPos].m_pObject->Release();
+ }
+ return m_ParamStartPos;
+ }
+ int index = m_ParamStartPos + m_ParamCount;
+ if (index >= PARAM_BUF_SIZE) {
+ index -= PARAM_BUF_SIZE;
+ }
+ m_ParamCount ++;
+ return index;
+}
+void CPDF_StreamContentParser::AddNameParam(FX_LPCSTR name, int len)
+{
+ int index = GetNextParamPos();
+ if (len > 32) {
+ m_ParamBuf1[index].m_Type = 0;
+ m_ParamBuf1[index].m_pObject = CPDF_Name::Create(PDF_NameDecode(CFX_ByteStringC(name, len)));
+ } else {
+ m_ParamBuf1[index].m_Type = PDFOBJ_NAME;
+ if (FXSYS_memchr(name, '#', len) == NULL) {
+ FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, name, len);
+ m_ParamBuf1[index].m_Name.m_Len = len;
+ } else {
+ CFX_ByteString str = PDF_NameDecode(CFX_ByteStringC(name, len));
+ FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, (FX_LPCSTR)str, str.GetLength());
+ m_ParamBuf1[index].m_Name.m_Len = str.GetLength();
+ }
+ }
+}
+void CPDF_StreamContentParser::AddNumberParam(FX_LPCSTR str, int len)
+{
+ int index = GetNextParamPos();
+ m_ParamBuf1[index].m_Type = PDFOBJ_NUMBER;
+ FX_atonum(CFX_ByteStringC(str, len), m_ParamBuf1[index].m_Number.m_bInteger,
+ &m_ParamBuf1[index].m_Number.m_Integer);
+}
+void CPDF_StreamContentParser::AddObjectParam(CPDF_Object* pObj)
+{
+ int index = GetNextParamPos();
+ m_ParamBuf1[index].m_Type = 0;
+ m_ParamBuf1[index].m_pObject = pObj;
+}
+void CPDF_StreamContentParser::ClearAllParams()
+{
+ FX_DWORD index = m_ParamStartPos;
+ for (FX_DWORD i = 0; i < m_ParamCount; i ++) {
+ if (m_ParamBuf1[index].m_Type == 0) {
+ m_ParamBuf1[index].m_pObject->Release();
+ }
+ index ++;
+ if (index == PARAM_BUF_SIZE) {
+ index = 0;
+ }
+ }
+ m_ParamStartPos = 0;
+ m_ParamCount = 0;
+}
+CPDF_Object* CPDF_StreamContentParser::GetObject(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return NULL;
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NUMBER) {
+ CPDF_Number* pNumber = CPDF_Number::Create(param.m_Number.m_bInteger, ¶m.m_Number.m_Integer);
+ param.m_Type = 0;
+ param.m_pObject = pNumber;
+ return pNumber;
+ }
+ if (param.m_Type == PDFOBJ_NAME) {
+ CPDF_Name* pName = CPDF_Name::Create(CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len));
+ param.m_Type = 0;
+ param.m_pObject = pName;
+ return pName;
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject;
+ }
+ ASSERT(FALSE);
+ return NULL;
+}
+CFX_ByteString CPDF_StreamContentParser::GetString(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return CFX_ByteString();
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NAME) {
+ return CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len);
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject->GetString();
+ }
+ return CFX_ByteString();
+}
+FX_FLOAT CPDF_StreamContentParser::GetNumber(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return 0;
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NUMBER) {
+ return param.m_Number.m_bInteger ? (FX_FLOAT)param.m_Number.m_Integer : param.m_Number.m_Float;
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject->GetNumber();
+ }
+ return 0;
+}
+FX_FLOAT CPDF_StreamContentParser::GetNumber16(FX_DWORD index)
+{
+ return GetNumber(index);
+}
+void CPDF_StreamContentParser::SetGraphicStates(CPDF_PageObject* pObj, FX_BOOL bColor, FX_BOOL bText, FX_BOOL bGraph)
+{
+ pObj->m_GeneralState = m_pCurStates->m_GeneralState;
+ pObj->m_ClipPath = m_pCurStates->m_ClipPath;
+ pObj->m_ContentMark = m_CurContentMark;
+ if (bColor) {
+ pObj->m_ColorState = m_pCurStates->m_ColorState;
+ }
+ if (bGraph) {
+ pObj->m_GraphState = m_pCurStates->m_GraphState;
+ }
+ if (bText) {
+ pObj->m_TextState = m_pCurStates->m_TextState;
+ }
+}
+const struct _OpCode {
+ FX_DWORD m_OpId;
+ void (CPDF_StreamContentParser::*m_OpHandler)();
+} g_OpCodes[] = {
+ {FXBSTR_ID('"', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText_Space},
+ {FXBSTR_ID('\'', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText},
+ {FXBSTR_ID('B', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillStrokePath},
+ {FXBSTR_ID('B', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillStrokePath},
+ {FXBSTR_ID('B', 'D', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary},
+ {FXBSTR_ID('B', 'I', 0, 0), &CPDF_StreamContentParser::Handle_BeginImage},
+ {FXBSTR_ID('B', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent},
+ {FXBSTR_ID('B', 'T', 0, 0), &CPDF_StreamContentParser::Handle_BeginText},
+ {FXBSTR_ID('B', 'X', 0, 0), &CPDF_StreamContentParser::Handle_BeginSectionUndefined},
+ {FXBSTR_ID('C', 'S', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Stroke},
+ {FXBSTR_ID('D', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace_Dictionary},
+ {FXBSTR_ID('D', 'o', 0, 0), &CPDF_StreamContentParser::Handle_ExecuteXObject},
+ {FXBSTR_ID('E', 'I', 0, 0), &CPDF_StreamContentParser::Handle_EndImage},
+ {FXBSTR_ID('E', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_EndMarkedContent},
+ {FXBSTR_ID('E', 'T', 0, 0), &CPDF_StreamContentParser::Handle_EndText},
+ {FXBSTR_ID('E', 'X', 0, 0), &CPDF_StreamContentParser::Handle_EndSectionUndefined},
+ {FXBSTR_ID('F', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPathOld},
+ {FXBSTR_ID('G', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Stroke},
+ {FXBSTR_ID('I', 'D', 0, 0), &CPDF_StreamContentParser::Handle_BeginImageData},
+ {FXBSTR_ID('J', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineCap},
+ {FXBSTR_ID('K', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke},
+ {FXBSTR_ID('M', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetMiterLimit},
+ {FXBSTR_ID('M', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace},
+ {FXBSTR_ID('Q', 0, 0, 0), &CPDF_StreamContentParser::Handle_RestoreGraphState},
+ {FXBSTR_ID('R', 'G', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Stroke},
+ {FXBSTR_ID('S', 0, 0, 0), &CPDF_StreamContentParser::Handle_StrokePath},
+ {FXBSTR_ID('S', 'C', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Stroke},
+ {FXBSTR_ID('S', 'C', 'N', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Stroke},
+ {FXBSTR_ID('T', '*', 0, 0), &CPDF_StreamContentParser::Handle_MoveToNextLine},
+ {FXBSTR_ID('T', 'D', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading},
+ {FXBSTR_ID('T', 'J', 0, 0), &CPDF_StreamContentParser::Handle_ShowText_Positioning},
+ {FXBSTR_ID('T', 'L', 0, 0), &CPDF_StreamContentParser::Handle_SetTextLeading},
+ {FXBSTR_ID('T', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetCharSpace},
+ {FXBSTR_ID('T', 'd', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint},
+ {FXBSTR_ID('T', 'f', 0, 0), &CPDF_StreamContentParser::Handle_SetFont},
+ {FXBSTR_ID('T', 'j', 0, 0), &CPDF_StreamContentParser::Handle_ShowText},
+ {FXBSTR_ID('T', 'm', 0, 0), &CPDF_StreamContentParser::Handle_SetTextMatrix},
+ {FXBSTR_ID('T', 'r', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRenderMode},
+ {FXBSTR_ID('T', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRise},
+ {FXBSTR_ID('T', 'w', 0, 0), &CPDF_StreamContentParser::Handle_SetWordSpace},
+ {FXBSTR_ID('T', 'z', 0, 0), &CPDF_StreamContentParser::Handle_SetHorzScale},
+ {FXBSTR_ID('W', 0, 0, 0), &CPDF_StreamContentParser::Handle_Clip},
+ {FXBSTR_ID('W', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOClip},
+ {FXBSTR_ID('b', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseFillStrokePath},
+ {FXBSTR_ID('b', '*', 0, 0), &CPDF_StreamContentParser::Handle_CloseEOFillStrokePath},
+ {FXBSTR_ID('c', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_123},
+ {FXBSTR_ID('c', 'm', 0, 0), &CPDF_StreamContentParser::Handle_ConcatMatrix},
+ {FXBSTR_ID('c', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Fill},
+ {FXBSTR_ID('d', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetDash},
+ {FXBSTR_ID('d', '0', 0, 0), &CPDF_StreamContentParser::Handle_SetCharWidth},
+ {FXBSTR_ID('d', '1', 0, 0), &CPDF_StreamContentParser::Handle_SetCachedDevice},
+ {FXBSTR_ID('f', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPath},
+ {FXBSTR_ID('f', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillPath},
+ {FXBSTR_ID('g', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Fill},
+ {FXBSTR_ID('g', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetExtendGraphState},
+ {FXBSTR_ID('h', 0, 0, 0), &CPDF_StreamContentParser::Handle_ClosePath},
+ {FXBSTR_ID('i', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetFlat},
+ {FXBSTR_ID('j', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineJoin},
+ {FXBSTR_ID('k', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Fill},
+ {FXBSTR_ID('l', 0, 0, 0), &CPDF_StreamContentParser::Handle_LineTo},
+ {FXBSTR_ID('m', 0, 0, 0), &CPDF_StreamContentParser::Handle_MoveTo},
+ {FXBSTR_ID('n', 0, 0, 0), &CPDF_StreamContentParser::Handle_EndPath},
+ {FXBSTR_ID('q', 0, 0, 0), &CPDF_StreamContentParser::Handle_SaveGraphState},
+ {FXBSTR_ID('r', 'e', 0, 0), &CPDF_StreamContentParser::Handle_Rectangle},
+ {FXBSTR_ID('r', 'g', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Fill},
+ {FXBSTR_ID('r', 'i', 0, 0), &CPDF_StreamContentParser::Handle_SetRenderIntent},
+ {FXBSTR_ID('s', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseStrokePath},
+ {FXBSTR_ID('s', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Fill},
+ {FXBSTR_ID('s', 'c', 'n', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Fill},
+ {FXBSTR_ID('s', 'h', 0, 0), &CPDF_StreamContentParser::Handle_ShadeFill},
+ {FXBSTR_ID('v', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_23},
+ {FXBSTR_ID('w', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineWidth},
+ {FXBSTR_ID('y', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_13},
+};
+FX_BOOL CPDF_StreamContentParser::OnOperator(FX_LPCSTR op)
+{
+ int i = 0;
+ FX_DWORD opid = 0;
+ while (i < 4 && op[i]) {
+ opid = (opid << 8) + op[i];
+ i ++;
+ }
+ while (i < 4) {
+ opid <<= 8;
+ i ++;
+ };
+ int low = 0, high = sizeof g_OpCodes / sizeof(struct _OpCode) - 1;
+ while (low <= high) {
+ int middle = (low + high) / 2;
+ int compare = opid - g_OpCodes[middle].m_OpId;
+ if (compare == 0) {
+ (this->*g_OpCodes[middle].m_OpHandler)();
+ return TRUE;
+ } else if (compare < 0) {
+ high = middle - 1;
+ } else {
+ low = middle + 1;
+ }
+ }
+ return m_CompatCount != 0;
+}
+void CPDF_StreamContentParser::Handle_CloseFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ Handle_ClosePath();
+ AddPathObject(FXFILL_WINDING, TRUE);
+}
+void CPDF_StreamContentParser::Handle_FillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, TRUE);
+}
+void CPDF_StreamContentParser::Handle_CloseEOFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
+ AddPathObject(FXFILL_ALTERNATE, TRUE);
+}
+void CPDF_StreamContentParser::Handle_EOFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_ALTERNATE, TRUE);
+}
+void CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ CFX_ByteString tag = GetString(1);
+ CPDF_Object* pProperty = GetObject(0);
+ if (pProperty == NULL) {
+ return;
+ }
+ FX_BOOL bDirect = TRUE;
+ if (pProperty->GetType() == PDFOBJ_NAME) {
+ pProperty = FindResourceObj(FX_BSTRC("Properties"), pProperty->GetString());
+ if (pProperty == NULL) {
+ return;
+ }
+ bDirect = FALSE;
+ }
+ if (pProperty->GetType() != PDFOBJ_DICTIONARY) {
+ return;
+ }
+ m_CurContentMark.GetModify()->AddMark(tag, (CPDF_Dictionary*)pProperty, bDirect);
+}
+void CPDF_StreamContentParser::Handle_BeginMarkedContent()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ CFX_ByteString tag = GetString(0);
+ m_CurContentMark.GetModify()->AddMark(tag, NULL, FALSE);
+}
+struct _FX_BSTR {
+ FX_LPCSTR m_Ptr;
+ int m_Size;
+};
+#define _FX_BSTRC(str) {str, sizeof(str)-1}
+const _FX_BSTR _PDF_InlineKeyAbbr[] = {
+ _FX_BSTRC("BitsPerComponent"), _FX_BSTRC("BPC"),
+ _FX_BSTRC("ColorSpace"), _FX_BSTRC("CS"),
+ _FX_BSTRC("Decode"), _FX_BSTRC("D"),
+ _FX_BSTRC("DecodeParms"), _FX_BSTRC("DP"),
+ _FX_BSTRC("Filter"), _FX_BSTRC("F"),
+ _FX_BSTRC("Height"), _FX_BSTRC("H"),
+ _FX_BSTRC("ImageMask"), _FX_BSTRC("IM"),
+ _FX_BSTRC("Interpolate"), _FX_BSTRC("I"),
+ _FX_BSTRC("Width"), _FX_BSTRC("W"),
+};
+const _FX_BSTR _PDF_InlineValueAbbr[] = {
+ _FX_BSTRC("DeviceGray"), _FX_BSTRC("G"),
+ _FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB"),
+ _FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK"),
+ _FX_BSTRC("Indexed"), _FX_BSTRC("I"),
+ _FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx"),
+ _FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85"),
+ _FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW"),
+ _FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl"),
+ _FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL"),
+ _FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF"),
+ _FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT"),
+};
+static CFX_ByteStringC _PDF_FindFullName(const _FX_BSTR* table, int count, FX_BSTR abbr)
+{
+ int i = 0;
+ while (i < count) {
+ if (abbr.GetLength() == table[i + 1].m_Size && FXSYS_memcmp32(abbr.GetPtr(), table[i + 1].m_Ptr, abbr.GetLength()) == 0) {
+ return CFX_ByteStringC(table[i].m_Ptr, table[i].m_Size);
+ }
+ i += 2;
+ }
+ return CFX_ByteStringC();
+}
+void _PDF_ReplaceAbbr(CPDF_Object* pObj)
+{
+ switch (pObj->GetType()) {
+ case PDFOBJ_DICTIONARY: {
+ CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
+ FX_POSITION pos = pDict->GetStartPos();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Object* value = pDict->GetNextElement(pos, key);
+ CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineKeyAbbr,
+ sizeof _PDF_InlineKeyAbbr / sizeof(_FX_BSTR), key);
+ if (!fullname.IsEmpty()) {
+ pDict->ReplaceKey(key, fullname);
+ key = fullname;
+ }
+ if (value->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = value->GetString();
+ fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!fullname.IsEmpty()) {
+ pDict->SetAtName(key, fullname);
+ }
+ } else {
+ _PDF_ReplaceAbbr(value);
+ }
+ }
+ break;
+ }
+ case PDFOBJ_ARRAY: {
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
+ CPDF_Object* pElement = pArray->GetElement(i);
+ if (pElement->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pElement->GetString();
+ CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!fullname.IsEmpty()) {
+ pArray->SetAt(i, CPDF_Name::Create(fullname));
+ }
+ } else {
+ _PDF_ReplaceAbbr(pElement);
+ }
+ }
+ break;
+ }
+ }
+}
+static CFX_ByteStringC _PDF_FindAbbrName(const _FX_BSTR* table, int count, FX_BSTR fullName)
+{
+ int i = 0;
+ while (i < count) {
+ if (fullName.GetLength() == table[i].m_Size && FXSYS_memcmp32(fullName.GetPtr(), table[i].m_Ptr, fullName.GetLength()) == 0) {
+ return CFX_ByteStringC(table[i + 1].m_Ptr, table[i + 1].m_Size);
+ }
+ i += 2;
+ }
+ return CFX_ByteStringC();
+}
+void _PDF_ReplaceFull(CPDF_Object* pObj)
+{
+ switch (pObj->GetType()) {
+ case PDFOBJ_DICTIONARY: {
+ CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
+ FX_POSITION pos = pDict->GetStartPos();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Object* value = pDict->GetNextElement(pos, key);
+ CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineKeyAbbr,
+ sizeof(_PDF_InlineKeyAbbr) / sizeof(_FX_BSTR), key);
+ if (!abbrName.IsEmpty()) {
+ pDict->ReplaceKey(key, abbrName);
+ key = abbrName;
+ }
+ if (value->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = value->GetString();
+ abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
+ sizeof(_PDF_InlineValueAbbr) / sizeof(_FX_BSTR), name);
+ if (!abbrName.IsEmpty()) {
+ pDict->SetAtName(key, abbrName);
+ }
+ } else {
+ _PDF_ReplaceFull(value);
+ }
+ }
+ break;
+ }
+ case PDFOBJ_ARRAY: {
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
+ CPDF_Object* pElement = pArray->GetElement(i);
+ if (pElement->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pElement->GetString();
+ CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!abbrName.IsEmpty()) {
+ pArray->SetAt(i, CPDF_Name::Create(abbrName));
+ }
+ } else {
+ _PDF_ReplaceFull(pElement);
+ }
+ }
+ break;
+ }
+ }
+}
+void CPDF_StreamContentParser::Handle_BeginText()
+{
+ m_pCurStates->m_TextMatrix.Set(1.0f, 0, 0, 1.0f, 0, 0);
+ OnChangeTextMatrix();
+ m_pCurStates->m_TextX = 0;
+ m_pCurStates->m_TextY = 0;
+ m_pCurStates->m_TextLineX = 0;
+ m_pCurStates->m_TextLineY = 0;
+}
+void CPDF_StreamContentParser::Handle_BeginSectionUndefined()
+{
+ m_CompatCount ++;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_123()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(5), GetNumber(4), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_ConcatMatrix()
+{
+ FX_FLOAT a2 = GetNumber16(5), b2 = GetNumber16(4), c2 = GetNumber16(3), d2 = GetNumber16(2);
+ FX_FLOAT e2 = GetNumber(1), f2 = GetNumber(0);
+ FX_FLOAT old_width_scale = m_pCurStates->m_CTM.GetXUnit();
+ CFX_AffineMatrix new_matrix(a2, b2, c2, d2, e2, f2);
+ new_matrix.Concat(m_pCurStates->m_CTM);
+ m_pCurStates->m_CTM = new_matrix;
+ FX_FLOAT new_width_scale = m_pCurStates->m_CTM.GetXUnit();
+ OnChangeTextMatrix();
+}
+void CPDF_StreamContentParser::Handle_SetColorSpace_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CFX_ByteString csname = GetString(0);
+ CPDF_ColorSpace* pCS = FindColorSpace(csname);
+ if (pCS == NULL) {
+ return;
+ }
+ m_pCurStates->m_ColorState.GetModify()->m_FillColor.SetColorSpace(pCS);
+}
+void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CFX_ByteString csname = GetString(0);
+ CPDF_ColorSpace* pCS = FindColorSpace(csname);
+ if (pCS == NULL) {
+ return;
+ }
+ m_pCurStates->m_ColorState.GetModify()->m_StrokeColor.SetColorSpace(pCS);
+}
+void CPDF_StreamContentParser::Handle_SetDash()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Array* pArray = GetObject(1)->GetArray();
+ if (pArray == NULL) {
+ return;
+ }
+ m_pCurStates->SetLineDash(pArray, GetNumber(0), 1.0f);
+}
+void CPDF_StreamContentParser::Handle_SetCharWidth()
+{
+ m_Type3Data[0] = GetNumber(1);
+ m_Type3Data[1] = GetNumber(0);
+ m_bColored = TRUE;
+}
+void CPDF_StreamContentParser::Handle_SetCachedDevice()
+{
+ for (int i = 0; i < 6; i ++) {
+ m_Type3Data[i] = GetNumber(5 - i);
+ }
+ m_bColored = FALSE;
+}
+void CPDF_StreamContentParser::Handle_ExecuteXObject()
+{
+ CFX_ByteString name = GetString(0);
+ if (name == m_LastImageName && m_pLastImage && m_pLastImage->GetStream() && m_pLastImage->GetStream()->GetObjNum()) {
+#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
+ AddDuplicateImage();
+#else
+ AddImage(NULL, m_pLastImage, FALSE);
+#endif
+ return;
+ }
+ if (m_Options.m_bTextOnly) {
+ CPDF_Object* pRes = NULL;
+ if (m_pResources == NULL) {
+ return;
+ }
+ if (m_pResources == m_pPageResources) {
+ CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ return;
+ }
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ } else {
+ CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ if (m_pPageResources == NULL) {
+ return;
+ }
+ CPDF_Dictionary* pList = m_pPageResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ return;
+ }
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ } else {
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ }
+ }
+ FX_BOOL bForm;
+ if (m_pDocument->IsFormStream(((CPDF_Reference*)pRes)->GetRefObjNum(), bForm) && !bForm) {
+ return;
+ }
+ }
+ CPDF_Stream* pXObject = (CPDF_Stream*)FindResourceObj(FX_BSTRC("XObject"), name);
+ if (pXObject == NULL || pXObject->GetType() != PDFOBJ_STREAM) {
+ m_bResourceMissing = TRUE;
+ return;
+ }
+ CFX_ByteStringC type = pXObject->GetDict()->GetConstString(FX_BSTRC("Subtype"));
+ if (type == FX_BSTRC("Image")) {
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_ImageObject* pObj = AddImage(pXObject, NULL, FALSE);
+ m_LastImageName = name;
+ m_pLastImage = pObj->m_pImage;
+ } else if (type == FX_BSTRC("Form")) {
+ AddForm(pXObject);
+ } else {
+ return;
+ }
+}
+void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
+{
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ if (!m_Options.m_bSeparateForm) {
+ CPDF_Dictionary* pResources = pStream->GetDict()->GetDict(FX_BSTRC("Resources"));
+ CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix(FX_BSTRC("Matrix"));
+ form_matrix.Concat(m_pCurStates->m_CTM);
+ CPDF_Array* pBBox = pStream->GetDict()->GetArray(FX_BSTRC("BBox"));
+ CFX_FloatRect form_bbox;
+ CPDF_Path ClipPath;
+ if (pBBox) {
+ form_bbox = pStream->GetDict()->GetRect(FX_BSTRC("BBox"));
+ ClipPath.New();
+ ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right, form_bbox.top);
+ ClipPath.Transform(&form_matrix);
+ form_bbox.Transform(&form_matrix);
+ }
+ CPDF_StreamContentParser parser;
+ parser.Initialize();
+ parser.PrepareParse(m_pDocument, m_pPageResources, m_pResources, &m_mtContentToUser,
+ m_pObjectList, pResources, &form_bbox, &m_Options, m_pCurStates, m_Level + 1);
+ parser.m_pCurStates->m_CTM = form_matrix;
+ if (ClipPath.NotNull()) {
+ parser.m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
+ }
+ CPDF_StreamAcc stream;
+ stream.LoadAllData(pStream, FALSE);
+ if (stream.GetSize() == 0) {
+ return;
+ }
+#ifdef _FPDFAPI_MINI_
+ parser.InputData(stream.GetData(), stream.GetSize());
+ parser.Finish();
+#else
+ parser.Parse(stream.GetData(), stream.GetSize(), 0);
+#endif
+ return;
+ }
+#endif
+ CPDF_FormObject* pFormObj = FX_NEW CPDF_FormObject;
+ pFormObj->m_pForm = FX_NEW CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources);
+ pFormObj->m_FormMatrix = m_pCurStates->m_CTM;
+ pFormObj->m_FormMatrix.Concat(m_mtContentToUser);
+ CPDF_AllStates status;
+ status.m_GeneralState = m_pCurStates->m_GeneralState;
+ status.m_GraphState = m_pCurStates->m_GraphState;
+ status.m_ColorState = m_pCurStates->m_ColorState;
+ status.m_TextState = m_pCurStates->m_TextState;
+ pFormObj->m_pForm->ParseContent(&status, NULL, NULL, &m_Options, m_Level + 1);
+ if (!m_pObjectList->m_bBackgroundAlphaNeeded && pFormObj->m_pForm->m_bBackgroundAlphaNeeded) {
+ m_pObjectList->m_bBackgroundAlphaNeeded = TRUE;
+ }
+ pFormObj->CalcBoundingBox();
+ SetGraphicStates(pFormObj, TRUE, TRUE, TRUE);
+ m_pObjectList->m_ObjectList.AddTail(pFormObj);
+}
+#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
+void CPDF_StreamContentParser::AddDuplicateImage()
+{
+ FX_POSITION tailpos = m_pObjectList->m_ObjectList.GetTailPosition();
+ CPDF_PageObject* pLastObj = (CPDF_PageObject*)m_pObjectList->m_ObjectList.GetAt(tailpos);
+ if (pLastObj == NULL || (pLastObj->m_Type != PDFPAGE_INLINES && pLastObj->m_Type != PDFPAGE_IMAGE)) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ if (pLastObj->m_GeneralState != m_pCurStates->m_GeneralState ||
+ pLastObj->m_ClipPath != m_pCurStates->m_ClipPath ||
+ pLastObj->m_ColorState != m_pCurStates->m_ColorState) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ CFX_AffineMatrix ImageMatrix;
+ ImageMatrix.Copy(m_pCurStates->m_CTM);
+ ImageMatrix.Concat(m_mtContentToUser);
+ if (pLastObj->m_Type == PDFPAGE_INLINES) {
+ CPDF_InlineImages* pInlines = (CPDF_InlineImages*)pLastObj;
+ if (pInlines->m_pStream != m_pLastImage->GetStream()) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ pInlines->AddMatrix(ImageMatrix);
+ } else {
+ CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pLastObj;
+ CPDF_InlineImages* pInlines = FX_NEW CPDF_InlineImages;
+ pInlines->m_pStream = m_pLastImage->GetStream();
+ SetGraphicStates(pInlines, !pInlines->m_pStream->GetDict()->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
+ pInlines->AddMatrix(pImageObj->m_Matrix);
+ pInlines->AddMatrix(ImageMatrix);
+ m_pObjectList->m_ObjectList.RemoveAt(tailpos);
+ m_pObjectList->m_ObjectList.AddTail(pInlines);
+ pLastObj->Release();
+ }
+}
+#endif
+CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, CPDF_Image* pImage, FX_BOOL bInline)
+{
+ if (pStream == NULL && pImage == NULL) {
+ return NULL;
+ }
+ CFX_AffineMatrix ImageMatrix;
+ ImageMatrix.Copy(m_pCurStates->m_CTM);
+ ImageMatrix.Concat(m_mtContentToUser);
+ CPDF_ImageObject* pImageObj = FX_NEW CPDF_ImageObject;
+ if (pImage) {
+ pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pImage->GetStream());
+ } else if (pStream->GetObjNum()) {
+ pImageObj->m_pImage = m_pDocument->LoadImageF(pStream);
+ } else {
+ pImageObj->m_pImage = FX_NEW CPDF_Image(m_pDocument);
+ pImageObj->m_pImage->LoadImageF(pStream, bInline);
+ }
+ SetGraphicStates(pImageObj, pImageObj->m_pImage->IsMask(), FALSE, FALSE);
+ pImageObj->m_Matrix = ImageMatrix;
+ pImageObj->CalcBoundingBox();
+ m_pObjectList->m_ObjectList.AddTail(pImageObj);
+ return pImageObj;
+}
+void CPDF_StreamContentParser::Handle_MarkPlace_Dictionary()
+{
+}
+void CPDF_StreamContentParser::Handle_EndImage()
+{
+}
+void CPDF_StreamContentParser::Handle_EndMarkedContent()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ if (m_CurContentMark.IsNull()) {
+ return;
+ }
+ int count = m_CurContentMark.GetObject()->CountItems();
+ if (count == 1) {
+ m_CurContentMark.SetNull();
+ return;
+ }
+ m_CurContentMark.GetModify()->DeleteLastMark();
+}
+void CPDF_StreamContentParser::Handle_EndText()
+{
+ int count = m_ClipTextList.GetSize();
+ if (count == 0) {
+ return;
+ }
+ if (m_pCurStates->m_TextState.GetObject()->m_TextMode < 4) {
+ for (int i = 0; i < count; i ++) {
+ CPDF_TextObject* pText = (CPDF_TextObject*)m_ClipTextList.GetAt(i);
+ if (pText) {
+ delete pText;
+ }
+ }
+ } else {
+ m_pCurStates->m_ClipPath.AppendTexts((CPDF_TextObject**)m_ClipTextList.GetData(), count);
+ }
+ m_ClipTextList.RemoveAll();
+}
+void CPDF_StreamContentParser::Handle_EndSectionUndefined()
+{
+ if (m_CompatCount) {
+ m_CompatCount --;
+ }
+}
+void CPDF_StreamContentParser::Handle_FillPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, FALSE);
+}
+void CPDF_StreamContentParser::Handle_FillPathOld()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, FALSE);
+}
+void CPDF_StreamContentParser::Handle_EOFillPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_ALTERNATE, FALSE);
+}
+void CPDF_StreamContentParser::Handle_SetGray_Fill()
+{
+ FX_FLOAT value = GetNumber(0);
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, &value, 1);
+}
+void CPDF_StreamContentParser::Handle_SetGray_Stroke()
+{
+ FX_FLOAT value = GetNumber(0);
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, &value, 1);
+}
+void CPDF_StreamContentParser::Handle_SetExtendGraphState()
+{
+ CFX_ByteString name = GetString(0);
+ CPDF_Dictionary* pGS = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("ExtGState"), name);
+ if (pGS == NULL || pGS->GetType() != PDFOBJ_DICTIONARY) {
+ m_bResourceMissing = TRUE;
+ return;
+ }
+ m_pCurStates->ProcessExtGS(pGS, this);
+}
+void CPDF_StreamContentParser::Handle_ClosePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ if (m_PathPointCount == 0) {
+ return;
+ }
+ if (m_PathStartX != m_PathCurrentX || m_PathStartY != m_PathCurrentY) {
+ AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
+ } else if (m_pPathPoints[m_PathPointCount - 1].m_Flag != FXPT_MOVETO) {
+ m_pPathPoints[m_PathPointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
+ }
+}
+void CPDF_StreamContentParser::Handle_SetFlat()
+{
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ m_pCurStates->m_GeneralState.GetModify()->m_Flatness = GetNumber(0);
+#endif
+}
+void CPDF_StreamContentParser::Handle_BeginImageData()
+{
+}
+void CPDF_StreamContentParser::Handle_SetLineJoin()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_LineJoin = (CFX_GraphStateData::LineJoin)GetInteger(0);
+}
+void CPDF_StreamContentParser::Handle_SetLineCap()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_LineCap = (CFX_GraphStateData::LineCap)GetInteger(0);
+}
+void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill()
+{
+ REQUIRE_PARAMS(4);
+ FX_FLOAT values[4];
+ for (int i = 0; i < 4; i ++) {
+ values[i] = GetNumber(3 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, values, 4);
+}
+void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke()
+{
+ REQUIRE_PARAMS(4);
+ FX_FLOAT values[4];
+ for (int i = 0; i < 4; i ++) {
+ values[i] = GetNumber(3 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 4);
+}
+void CPDF_StreamContentParser::Handle_LineTo()
+{
+ REQUIRE_PARAMS(2);
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_LINETO);
+}
+void CPDF_StreamContentParser::Handle_MoveTo()
+{
+ REQUIRE_PARAMS(2);
+ if (m_Options.m_bTextOnly) {
+#ifndef _FPDFAPI_MINI_
+ m_pSyntax->SkipPathObject();
+#endif
+ return;
+ }
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_MOVETO);
+#ifndef _FPDFAPI_MINI_
+ ParsePathObject();
+#endif
+}
+void CPDF_StreamContentParser::Handle_SetMiterLimit()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_MiterLimit = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_MarkPlace()
+{
+}
+void CPDF_StreamContentParser::Handle_EndPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(0, FALSE);
+}
+void CPDF_StreamContentParser::Handle_SaveGraphState()
+{
+ CPDF_AllStates* pStates = FX_NEW CPDF_AllStates;
+ pStates->Copy(*m_pCurStates);
+ m_StateStack.Add(pStates);
+}
+void CPDF_StreamContentParser::Handle_RestoreGraphState()
+{
+ int size = m_StateStack.GetSize();
+ if (size == 0) {
+ return;
+ }
+ CPDF_AllStates* pStates = (CPDF_AllStates*)m_StateStack.GetAt(size - 1);
+ m_pCurStates->Copy(*pStates);
+ delete pStates;
+ m_StateStack.RemoveAt(size - 1);
+}
+void CPDF_StreamContentParser::Handle_Rectangle()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT x = GetNumber(3), y = GetNumber(2);
+ FX_FLOAT w = GetNumber(1), h = GetNumber(0);
+ AddPathRect(x, y, w, h);
+}
+void CPDF_StreamContentParser::AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h)
+{
+ AddPathPoint(x, y, FXPT_MOVETO);
+ AddPathPoint(x + w, y, FXPT_LINETO);
+ AddPathPoint(x + w, y + h, FXPT_LINETO);
+ AddPathPoint(x, y + h, FXPT_LINETO);
+ AddPathPoint(x, y, FXPT_LINETO | FXPT_CLOSEFIGURE);
+}
+void CPDF_StreamContentParser::Handle_SetRGBColor_Fill()
+{
+ REQUIRE_PARAMS(3);
+ FX_FLOAT values[3];
+ for (int i = 0; i < 3; i ++) {
+ values[i] = GetNumber(2 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, values, 3);
+}
+void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke()
+{
+ REQUIRE_PARAMS(3);
+ FX_FLOAT values[3];
+ for (int i = 0; i < 3; i ++) {
+ values[i] = GetNumber(2 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 3);
+}
+void CPDF_StreamContentParser::Handle_SetRenderIntent()
+{
+}
+void CPDF_StreamContentParser::Handle_CloseStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ Handle_ClosePath();
+ AddPathObject(0, TRUE);
+}
+void CPDF_StreamContentParser::Handle_StrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(0, TRUE);
+}
+void CPDF_StreamContentParser::Handle_SetColor_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT values[4];
+ int nargs = m_ParamCount;
+ if (nargs > 4) {
+ nargs = 4;
+ }
+ for (int i = 0; i < nargs; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ m_pCurStates->m_ColorState.SetFillColor(NULL, values, nargs);
+}
+void CPDF_StreamContentParser::Handle_SetColor_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT values[4];
+ int nargs = m_ParamCount;
+ if (nargs > 4) {
+ nargs = 4;
+ }
+ for (int i = 0; i < nargs; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nargs);
+}
+void CPDF_StreamContentParser::Handle_SetColorPS_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Object* pLastParam = GetObject(0);
+ if (pLastParam == NULL) {
+ return;
+ }
+ int nargs = m_ParamCount;
+ int nvalues = nargs;
+ if (pLastParam->GetType() == PDFOBJ_NAME) {
+ nvalues --;
+ }
+ FX_FLOAT* values = NULL;
+ if (nvalues) {
+ values = FX_Alloc(FX_FLOAT, nvalues);
+ for (int i = 0; i < nvalues; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ }
+ if (nvalues != nargs) {
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
+ if (pPattern) {
+ m_pCurStates->m_ColorState.SetFillPattern(pPattern, values, nvalues);
+ }
+ } else {
+ m_pCurStates->m_ColorState.SetFillColor(NULL, values, nvalues);
+ }
+ if (values) {
+ FX_Free(values);
+ }
+}
+void CPDF_StreamContentParser::Handle_SetColorPS_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Object* pLastParam = GetObject(0);
+ if (pLastParam == NULL) {
+ return;
+ }
+ int nargs = m_ParamCount;
+ int nvalues = nargs;
+ if (pLastParam->GetType() == PDFOBJ_NAME) {
+ nvalues --;
+ }
+ FX_FLOAT* values = NULL;
+ if (nvalues) {
+ values = FX_Alloc(FX_FLOAT, nvalues);
+ for (int i = 0; i < nvalues; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ }
+ if (nvalues != nargs) {
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
+ if (pPattern) {
+ m_pCurStates->m_ColorState.SetStrokePattern(pPattern, values, nvalues);
+ }
+ } else {
+ m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nvalues);
+ }
+ if (values) {
+ FX_Free(values);
+ }
+}
+CFX_FloatRect _GetShadingBBox(CPDF_Stream* pStream, int type, const CFX_AffineMatrix* pMatrix,
+ CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS);
+void CPDF_StreamContentParser::Handle_ShadeFill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), TRUE);
+ if (pPattern == NULL) {
+ return;
+ }
+ if (pPattern->m_PatternType != PATTERN_SHADING) {
+ return;
+ }
+ CPDF_ShadingPattern* pShading = (CPDF_ShadingPattern*)pPattern;
+ if (!pShading->m_bShadingObj) {
+ return;
+ }
+ if (!pShading->Load()) {
+ return;
+ }
+ CPDF_ShadingObject* pObj = FX_NEW CPDF_ShadingObject;
+ pObj->m_pShading = pShading;
+ SetGraphicStates(pObj, FALSE, FALSE, FALSE);
+ pObj->m_Matrix = m_pCurStates->m_CTM;
+ pObj->m_Matrix.Concat(m_mtContentToUser);
+ CFX_FloatRect bbox;
+ if (!pObj->m_ClipPath.IsNull()) {
+ bbox = pObj->m_ClipPath.GetClipBox();
+ } else {
+ bbox = m_BBox;
+ }
+ if (pShading->m_ShadingType >= 4) {
+ bbox.Intersect(_GetShadingBBox((CPDF_Stream*)pShading->m_pShadingObj, pShading->m_ShadingType, &pObj->m_Matrix,
+ pShading->m_pFunctions, pShading->m_nFuncs, pShading->m_pCS));
+ }
+ pObj->m_Left = bbox.left;
+ pObj->m_Right = bbox.right;
+ pObj->m_Top = bbox.top;
+ pObj->m_Bottom = bbox.bottom;
+ m_pObjectList->m_ObjectList.AddTail(pObj);
+}
+void CPDF_StreamContentParser::Handle_SetCharSpace()
+{
+ m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_MoveTextPoint()
+{
+ m_pCurStates->m_TextLineX += GetNumber(1);
+ m_pCurStates->m_TextLineY += GetNumber(0);
+ m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
+ m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
+}
+void CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading()
+{
+ Handle_MoveTextPoint();
+ m_pCurStates->m_TextLeading = -GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetFont()
+{
+ FX_FLOAT fs = GetNumber(0);
+ if (fs == 0) {
+ fs = m_DefFontSize;
+ }
+ m_pCurStates->m_TextState.GetModify()->m_FontSize = fs;
+ CPDF_Font* pFont = FindFont(GetString(1));
+ if (pFont) {
+ m_pCurStates->m_TextState.SetFont(pFont);
+ }
+}
+CPDF_Object* CPDF_StreamContentParser::FindResourceObj(FX_BSTR type, const CFX_ByteString& name)
+{
+ if (m_pResources == NULL) {
+ return NULL;
+ }
+ if (m_pResources == m_pPageResources) {
+ CPDF_Dictionary* pList = m_pResources->GetDict(type);
+ if (pList == NULL) {
+ return NULL;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+ }
+ CPDF_Dictionary* pList = m_pResources->GetDict(type);
+ if (pList == NULL) {
+ if (m_pPageResources == NULL) {
+ return NULL;
+ }
+ CPDF_Dictionary* pList = m_pPageResources->GetDict(type);
+ if (pList == NULL) {
+ return NULL;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+}
+CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name)
+{
+ CPDF_Dictionary* pFontDict = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("Font"), name);
+ if (pFontDict == NULL || pFontDict->GetType() != PDFOBJ_DICTIONARY) {
+ m_bResourceMissing = TRUE;
+ return CPDF_Font::GetStockFont(m_pDocument, FX_BSTRC("Helvetica"));
+ }
+ CPDF_Font* pFont = m_pDocument->LoadFont(pFontDict);
+ if (pFont && pFont->GetType3Font()) {
+ pFont->GetType3Font()->SetPageResources(m_pResources);
+ pFont->GetType3Font()->CheckType3FontMetrics();
+ }
+ return pFont;
+}
+CPDF_ColorSpace* CPDF_StreamContentParser::FindColorSpace(const CFX_ByteString& name)
+{
+ if (name == FX_BSTRC("Pattern")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ }
+ if (name == FX_BSTRC("DeviceGray") || name == FX_BSTRC("DeviceCMYK") || name == FX_BSTRC("DeviceRGB")) {
+ CFX_ByteString defname = "Default";
+ defname += name.Mid(7);
+ CPDF_Object* pDefObj = FindResourceObj(FX_BSTRC("ColorSpace"), defname);
+ if (pDefObj == NULL) {
+ if (name == FX_BSTRC("DeviceGray")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ if (name == FX_BSTRC("DeviceRGB")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ }
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ }
+ return m_pDocument->LoadColorSpace(pDefObj);
+ }
+ CPDF_Object* pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
+ if (pCSObj == NULL) {
+ m_bResourceMissing = TRUE;
+ return NULL;
+ }
+ return m_pDocument->LoadColorSpace(pCSObj);
+}
+CPDF_Pattern* CPDF_StreamContentParser::FindPattern(const CFX_ByteString& name, FX_BOOL bShading)
+{
+ CPDF_Object* pPattern = FindResourceObj(bShading ? FX_BSTRC("Shading") : FX_BSTRC("Pattern"), name);
+ if (pPattern == NULL || (pPattern->GetType() != PDFOBJ_DICTIONARY &&
+ pPattern->GetType() != PDFOBJ_STREAM)) {
+ m_bResourceMissing = TRUE;
+ return NULL;
+ }
+ return m_pDocument->LoadPattern(pPattern, bShading, &m_pCurStates->m_ParentMatrix);
+}
+void CPDF_StreamContentParser::ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y)
+{
+ m_pCurStates->m_TextMatrix.Transform(x, y, x, y);
+ ConvertUserSpace(x, y);
+}
+void CPDF_StreamContentParser::ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y)
+{
+ m_pCurStates->m_CTM.Transform(x, y, x, y);
+ m_mtContentToUser.Transform(x, y, x, y);
+}
+void CPDF_StreamContentParser::AddTextObject(CFX_ByteString* pStrs, FX_FLOAT fInitKerning, FX_FLOAT* pKerning, int nsegs)
+{
+ CPDF_Font* pFont = m_pCurStates->m_TextState.GetFont();
+ if (pFont == NULL) {
+ return;
+ }
+ if (fInitKerning != 0) {
+ if (!pFont->IsVertWriting()) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ } else {
+ m_pCurStates->m_TextY -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ }
+ }
+ if (nsegs == 0) {
+ return;
+ }
+ int textmode;
+ if (pFont->GetFontType() == PDFFONT_TYPE3) {
+ textmode = 0;
+ } else {
+ textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
+ }
+ CPDF_TextObject* pText = FX_NEW CPDF_TextObject;
+ m_pLastTextObject = pText;
+ SetGraphicStates(pText, TRUE, TRUE, TRUE);
+ if (textmode && textmode != 3 && textmode != 4 && textmode != 7) {
+ FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM;
+ pCTM[0] = m_pCurStates->m_CTM.a;
+ pCTM[1] = m_pCurStates->m_CTM.c;
+ pCTM[2] = m_pCurStates->m_CTM.b;
+ pCTM[3] = m_pCurStates->m_CTM.d;
+ }
+ pText->SetSegments(pStrs, pKerning, nsegs);
+ pText->m_PosX = m_pCurStates->m_TextX;
+ pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise;
+ ConvertTextSpace(pText->m_PosX, pText->m_PosY);
+ FX_FLOAT x_advance, y_advance;
+ pText->CalcPositionData(&x_advance, &y_advance, m_pCurStates->m_TextHorzScale, m_Level);
+ m_pCurStates->m_TextX += x_advance;
+ m_pCurStates->m_TextY += y_advance;
+ if (textmode > 3) {
+ CPDF_TextObject* pCopy = FX_NEW CPDF_TextObject;
+ pCopy->Copy(pText);
+ m_ClipTextList.Add(pCopy);
+ }
+ m_pObjectList->m_ObjectList.AddTail(pText);
+ if (pKerning && pKerning[nsegs - 1] != 0) {
+ if (!pFont->IsVertWriting()) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ } else {
+ m_pCurStates->m_TextY -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ }
+ }
+}
+void CPDF_StreamContentParser::Handle_ShowText()
+{
+ CFX_ByteString str = GetString(0);
+ if (str.IsEmpty()) {
+ return;
+ }
+ AddTextObject(&str, 0, NULL, 1);
+}
+void CPDF_StreamContentParser::Handle_ShowText_Positioning()
+{
+ CPDF_Array* pArray = GetObject(0)->GetArray();
+ if (pArray == NULL) {
+ return;
+ }
+ int n = pArray->GetCount(), nsegs = 0, i;
+ for (i = 0; i < n; i ++) {
+ CPDF_Object* pObj = pArray->GetElementValue(i);
+ if (pObj->GetType() == PDFOBJ_STRING) {
+ nsegs ++;
+ }
+ }
+ if (nsegs == 0) {
+ for (i = 0; i < n; i ++) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(pArray->GetNumber(i), m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ };
+ return;
+ }
+ CFX_ByteString* pStrs;
+ FX_NEW_VECTOR(pStrs, CFX_ByteString, nsegs);
+ FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
+ int iSegment = 0;
+ FX_FLOAT fInitKerning = 0;
+ for (i = 0; i < n; i ++) {
+ CPDF_Object* pObj = pArray->GetElementValue(i);
+ if (pObj->GetType() == PDFOBJ_STRING) {
+ CFX_ByteString str = pObj->GetString();
+ if (str.IsEmpty()) {
+ continue;
+ }
+ pStrs[iSegment] = str;
+ pKerning[iSegment ++] = 0;
+ } else {
+ if (iSegment == 0) {
+ fInitKerning += pObj->GetNumber();
+ } else {
+ pKerning[iSegment - 1] += pObj->GetNumber();
+ }
+ }
+ }
+ AddTextObject(pStrs, fInitKerning, pKerning, iSegment);
+ FX_DELETE_VECTOR(pStrs, CFX_ByteString, nsegs);
+ FX_Free(pKerning);
+}
+void CPDF_StreamContentParser::Handle_SetTextLeading()
+{
+ m_pCurStates->m_TextLeading = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetTextMatrix()
+{
+ m_pCurStates->m_TextMatrix.Set(GetNumber16(5), GetNumber16(4), GetNumber16(3),
+ GetNumber16(2), GetNumber(1), GetNumber(0));
+ OnChangeTextMatrix();
+ m_pCurStates->m_TextX = 0;
+ m_pCurStates->m_TextY = 0;
+ m_pCurStates->m_TextLineX = 0;
+ m_pCurStates->m_TextLineY = 0;
+}
+void CPDF_StreamContentParser::OnChangeTextMatrix()
+{
+ CFX_AffineMatrix text_matrix(m_pCurStates->m_TextHorzScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
+ text_matrix.Concat(m_pCurStates->m_TextMatrix);
+ text_matrix.Concat(m_pCurStates->m_CTM);
+ text_matrix.Concat(m_mtContentToUser);
+ FX_FLOAT* pTextMatrix = m_pCurStates->m_TextState.GetModify()->m_Matrix;
+ pTextMatrix[0] = text_matrix.a;
+ pTextMatrix[1] = text_matrix.c;
+ pTextMatrix[2] = text_matrix.b;
+ pTextMatrix[3] = text_matrix.d;
+}
+void CPDF_StreamContentParser::Handle_SetTextRenderMode()
+{
+ int mode = GetInteger(0);
+ if (mode < 0 || mode > 7) {
+ return;
+ }
+ m_pCurStates->m_TextState.GetModify()->m_TextMode = mode;
+}
+void CPDF_StreamContentParser::Handle_SetTextRise()
+{
+ m_pCurStates->m_TextRise = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetWordSpace()
+{
+ m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetHorzScale()
+{
+ if (m_ParamCount != 1) {
+ return;
+ }
+ m_pCurStates->m_TextHorzScale = GetNumber(0) / 100;
+ OnChangeTextMatrix();
+}
+void CPDF_StreamContentParser::Handle_MoveToNextLine()
+{
+ m_pCurStates->m_TextLineY -= m_pCurStates->m_TextLeading;
+ m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
+ m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_23()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(m_PathCurrentX, m_PathCurrentY, FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_SetLineWidth()
+{
+ FX_FLOAT width = GetNumber(0);
+ m_pCurStates->m_GraphState.GetModify()->m_LineWidth = width;
+}
+void CPDF_StreamContentParser::Handle_Clip()
+{
+ m_PathClipType = FXFILL_WINDING;
+}
+void CPDF_StreamContentParser::Handle_EOClip()
+{
+ m_PathClipType = FXFILL_ALTERNATE;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_13()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_NextLineShowText()
+{
+ Handle_MoveToNextLine();
+ Handle_ShowText();
+}
+void CPDF_StreamContentParser::Handle_NextLineShowText_Space()
+{
+ m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(2);
+ m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(1);
+ Handle_NextLineShowText();
+}
+void CPDF_StreamContentParser::Handle_Invalid()
+{
+}
+void CPDF_StreamContentParser::AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag)
+{
+ m_PathCurrentX = x;
+ m_PathCurrentY = y;
+ if (flag == FXPT_MOVETO) {
+ m_PathStartX = x;
+ m_PathStartY = y;
+ if (m_PathPointCount && m_pPathPoints[m_PathPointCount - 1].m_Flag == FXPT_MOVETO) {
+ m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
+ m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
+ return;
+ }
+ } else if (m_PathPointCount == 0) {
+ return;
+ }
+ m_PathPointCount ++;
+ if (m_PathPointCount > m_PathAllocSize) {
+ int newsize = m_PathPointCount + 256;
+ FX_PATHPOINT* pNewPoints = FX_Alloc(FX_PATHPOINT, newsize);
+ if (m_PathAllocSize) {
+ FXSYS_memcpy32(pNewPoints, m_pPathPoints, m_PathAllocSize * sizeof(FX_PATHPOINT));
+ FX_Free(m_pPathPoints);
+ }
+ m_pPathPoints = pNewPoints;
+ m_PathAllocSize = newsize;
+ }
+ m_pPathPoints[m_PathPointCount - 1].m_Flag = flag;
+ m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
+ m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
+}
+void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke)
+{
+ int PathPointCount = m_PathPointCount, PathClipType = m_PathClipType;
+ m_PathPointCount = 0;
+ m_PathClipType = 0;
+ if (PathPointCount <= 1) {
+ if (PathPointCount && PathClipType) {
+ CPDF_Path path;
+ path.New()->AppendRect(0, 0, 0, 0);
+ m_pCurStates->m_ClipPath.AppendPath(path, FXFILL_WINDING, TRUE);
+ }
+ return;
+ }
+ if (PathPointCount && m_pPathPoints[PathPointCount - 1].m_Flag == FXPT_MOVETO) {
+ PathPointCount --;
+ }
+ CPDF_Path Path;
+ CFX_PathData* pPathData = Path.New();
+ pPathData->SetPointCount(PathPointCount);
+ FXSYS_memcpy32(pPathData->GetPoints(), m_pPathPoints, sizeof(FX_PATHPOINT) * PathPointCount);
+ CFX_AffineMatrix matrix = m_pCurStates->m_CTM;
+ matrix.Concat(m_mtContentToUser);
+ if (bStroke || FillType) {
+ CPDF_PathObject* pPathObj = FX_NEW CPDF_PathObject;
+ pPathObj->m_bStroke = bStroke;
+ pPathObj->m_FillType = FillType;
+ pPathObj->m_Path = Path;
+ pPathObj->m_Matrix = matrix;
+ SetGraphicStates(pPathObj, TRUE, FALSE, TRUE);
+ pPathObj->CalcBoundingBox();
+ m_pObjectList->m_ObjectList.AddTail(pPathObj);
+ }
+ if (PathClipType) {
+ if (!matrix.IsIdentity()) {
+ Path.Transform(&matrix);
+ matrix.SetIdentity();
+ }
+ m_pCurStates->m_ClipPath.AppendPath(Path, PathClipType, TRUE);
+ }
+}
+CFX_ByteString _FPDF_ByteStringFromHex(CFX_BinaryBuf& src_buf)
+{
+ CFX_ByteTextBuf buf;
+ FX_BOOL bFirst = TRUE;
+ int code = 0;
+ FX_LPCBYTE str = src_buf.GetBuffer();
+ FX_DWORD size = src_buf.GetSize();
+ for (FX_DWORD i = 0; i < size; i ++) {
+ FX_BYTE ch = str[i];
+ if (ch >= '0' && ch <= '9') {
+ if (bFirst) {
+ code = (ch - '0') * 16;
+ } else {
+ code += ch - '0';
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'A' && ch <= 'F') {
+ if (bFirst) {
+ code = (ch - 'A' + 10) * 16;
+ } else {
+ code += ch - 'A' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'a' && ch <= 'f') {
+ if (bFirst) {
+ code = (ch - 'a' + 10) * 16;
+ } else {
+ code += ch - 'a' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ }
+ }
+ if (!bFirst) {
+ buf.AppendChar((char)code);
+ }
+ return buf.GetByteString();
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_new.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_new.cpp new file mode 100644 index 0000000000..2eeb1feff5 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_new.cpp @@ -0,0 +1,822 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "pageint.h"
+#if defined(_FPDFAPI_MINI_)
+extern const FX_LPCSTR _PDF_CharType;
+void CPDF_StreamContentParser::InputData(FX_LPCBYTE src_buf, FX_DWORD src_size)
+{
+ if (m_Level > _FPDF_MAX_FORM_LEVEL_) {
+ return;
+ }
+ for (FX_DWORD i = 0; i < src_size; i ++) {
+ int ch = src_buf[i];
+ int type = _PDF_CharType[ch];
+start:
+ switch (m_WordState) {
+ case 0:
+ if (type == 'W') {
+ } else if (type == 'N') {
+ m_WordState = 5;
+ m_pWordBuf[0] = ch;
+ m_WordSize = 1;
+ } else if (type == 'R') {
+ m_WordState = 4;
+ m_pWordBuf[0] = ch;
+ m_WordSize = 1;
+ } else switch (ch) {
+ case '/':
+ m_WordState = 2;
+ m_WordSize = 0;
+ break;
+ case '[':
+ StartArray();
+ break;
+ case ']':
+ EndArray();
+ break;
+ case '(':
+ m_WordState = 7;
+ m_StringLevel = 1;
+ m_StringState = 0;
+ m_StringBuf.Clear();
+ break;
+ case '<':
+ m_WordState = 3;
+ break;
+ case '>':
+ m_WordState = 8;
+ break;
+ case '%':
+ m_WordState = 1;
+ break;
+ }
+ break;
+ case 1:
+ if (ch == '\n' || ch == '\r') {
+ m_WordState = 0;
+ }
+ break;
+ case 2:
+ if (type != 'R' && type != 'N') {
+ EndName();
+ m_WordState = 0;
+ goto start;
+ }
+ if (m_WordSize < 256) {
+ m_pWordBuf[m_WordSize++] = ch;
+ }
+ break;
+ case 3:
+ if (ch == '<') {
+ StartDict();
+ m_WordState = 0;
+ } else {
+ m_StringBuf.Clear();
+ m_WordState = 6;
+ goto start;
+ }
+ break;
+ case 4:
+ if (type != 'R' && type != 'N') {
+ m_WordState = 0;
+ EndKeyword();
+ if (m_bAbort) {
+ return;
+ }
+ goto start;
+ }
+ if (m_WordSize < 256) {
+ m_pWordBuf[m_WordSize++] = ch;
+ }
+ break;
+ case 5:
+ if (type != 'N') {
+ EndNumber();
+ m_WordState = 0;
+ goto start;
+ }
+ if (m_WordSize < 256) {
+ m_pWordBuf[m_WordSize++] = ch;
+ }
+ break;
+ case 6:
+ if (ch == '>') {
+ EndHexString();
+ m_WordState = 0;
+ } else {
+ m_StringBuf.AppendByte(ch);
+ }
+ break;
+ case 7:
+ switch (m_StringState) {
+ case 0:
+ if (ch == ')') {
+ m_StringLevel --;
+ if (m_StringLevel == 0) {
+ EndString();
+ m_WordState = 0;
+ break;
+ }
+ m_StringBuf.AppendByte(')');
+ } else if (ch == '(') {
+ m_StringLevel ++;
+ m_StringBuf.AppendByte('(');
+ } else if (ch == '\\') {
+ m_StringState = 1;
+ } else {
+ m_StringBuf.AppendByte((char)ch);
+ }
+ break;
+ case 1:
+ if (ch >= '0' && ch <= '7') {
+ m_EscCode = ch - '0';
+ m_StringState = 2;
+ break;
+ }
+ if (ch == 'n') {
+ m_StringBuf.AppendByte('\n');
+ } else if (ch == 'r') {
+ m_StringBuf.AppendByte('\r');
+ } else if (ch == 't') {
+ m_StringBuf.AppendByte('\t');
+ } else if (ch == 'b') {
+ m_StringBuf.AppendByte('\b');
+ } else if (ch == 'f') {
+ m_StringBuf.AppendByte('\f');
+ } else if (ch == '\\') {
+ m_StringBuf.AppendByte('\\');
+ } else if (ch == '(') {
+ m_StringBuf.AppendByte('(');
+ } else if (ch == ')') {
+ m_StringBuf.AppendByte(')');
+ } else if (ch == '\r') {
+ m_StringState = 4;
+ break;
+ } else if (ch == '\n') {
+ } else {
+ m_StringBuf.AppendByte(ch);
+ }
+ m_StringState = 0;
+ break;
+ case 2:
+ if (ch >= '0' && ch <= '7') {
+ m_EscCode = m_EscCode * 8 + ch - '0';
+ m_StringState = 3;
+ } else {
+ m_StringBuf.AppendByte(m_EscCode);
+ m_StringState = 0;
+ goto start;
+ }
+ break;
+ case 3:
+ if (ch >= '0' && ch <= '7') {
+ m_EscCode = m_EscCode * 8 + ch - '0';
+ m_StringBuf.AppendByte(m_EscCode);
+ m_StringState = 0;
+ } else {
+ m_StringBuf.AppendByte(m_EscCode);
+ m_StringState = 0;
+ goto start;
+ }
+ break;
+ case 4:
+ m_StringState = 0;
+ if (ch != '\n') {
+ goto start;
+ }
+ break;
+ }
+ break;
+ case 8:
+ m_WordState = 0;
+ if (ch == '>') {
+ EndDict();
+ } else {
+ goto start;
+ }
+ break;
+ case 9:
+ switch (m_InlineImageState) {
+ case 0:
+ if (type == 'W' || type == 'D') {
+ m_InlineImageState = 1;
+ m_InlineWhiteChar = ch;
+ } else {
+ m_StringBuf.AppendByte(ch);
+ }
+ break;
+ case 1:
+ m_StringBuf.AppendByte(m_InlineWhiteChar);
+ if (ch == 'I') {
+ m_InlineImageState = 2;
+ } else {
+ m_InlineImageState = 0;
+ goto start;
+ }
+ break;
+ case 2:
+ if (ch == 'D') {
+ m_InlineImageState = 3;
+ } else {
+ m_StringBuf.AppendByte('I');
+ m_InlineImageState = 0;
+ goto start;
+ }
+ break;
+ case 3:
+ EndImageDict();
+ break;
+ }
+ break;
+ case 10:
+ switch (m_InlineImageState) {
+ case 0:
+ if (type == 'W') {
+ m_InlineImageState = 1;
+ m_InlineWhiteChar = ch;
+ } else {
+ m_ImageSrcBuf.AppendByte(ch);
+ }
+ break;
+ case 1:
+ if (ch == 'E') {
+ m_InlineImageState = 2;
+ } else {
+ m_ImageSrcBuf.AppendByte(m_InlineWhiteChar);
+ m_InlineImageState = 0;
+ goto start;
+ }
+ break;
+ case 2:
+ if (ch == 'I') {
+ m_InlineImageState = 3;
+ } else {
+ m_ImageSrcBuf.AppendByte(m_InlineWhiteChar);
+ m_ImageSrcBuf.AppendByte('E');
+ m_InlineImageState = 0;
+ goto start;
+ }
+ break;
+ case 3:
+ if (type == 'W') {
+ EndInlineImage();
+ } else {
+ m_ImageSrcBuf.AppendByte(m_InlineWhiteChar);
+ m_ImageSrcBuf.AppendByte('E');
+ m_ImageSrcBuf.AppendByte('I');
+ m_InlineImageState = 0;
+ goto start;
+ }
+ break;
+ }
+ break;
+ case 11:
+ if (m_InlineImageState < m_ImageSrcBuf.GetSize()) {
+ m_ImageSrcBuf.GetBuffer()[m_InlineImageState ++] = ch;
+ } else {
+ if (ch == 'I') {
+ EndInlineImage();
+ }
+ }
+ break;
+ }
+ }
+}
+void CPDF_StreamContentParser::Finish()
+{
+ switch (m_WordState) {
+ case 0:
+ break;
+ case 1:
+ break;
+ case 2:
+ EndName();
+ break;
+ case 3:
+ break;
+ case 4:
+ EndKeyword();
+ break;
+ case 5:
+ EndNumber();
+ break;
+ case 6:
+ EndHexString();
+ break;
+ case 7:
+ EndString();
+ break;
+ case 8:
+ break;
+ case 9:
+ break;
+ case 10:
+ EndInlineImage();
+ break;
+ }
+ m_WordState = 0;
+}
+void CPDF_StreamContentParser::AddContainer(CPDF_Object* pObject)
+{
+ if (m_ObjectSize) {
+ m_pObjectState[m_ObjectSize] = SetToCurObj(pObject);
+ }
+ FXSYS_assert(m_ObjectSize < _FPDF_MAX_OBJECT_STACK_SIZE_);
+ m_pObjectStack[m_ObjectSize++] = pObject;
+}
+FX_BOOL CPDF_StreamContentParser::SetToCurObj(CPDF_Object* pObject)
+{
+ if (m_ObjectSize == 0) {
+ AddObjectParam(pObject);
+ return TRUE;
+ }
+ FX_BOOL bInArrayOrDict = TRUE;
+ CPDF_Object* pCurObj = m_pObjectStack[m_ObjectSize - 1];
+ if (pCurObj->GetType() == PDFOBJ_ARRAY) {
+ ((CPDF_Array*)pCurObj)->Add(pObject, m_pDocument);
+ } else {
+ if (!m_bDictName && m_pDictName[0]) {
+ ((CPDF_Dictionary*)pCurObj)->SetAt((FX_LPCSTR)m_pDictName, pObject, m_pDocument);
+ } else {
+ bInArrayOrDict = FALSE;
+ }
+ m_bDictName = TRUE;
+ }
+ return bInArrayOrDict;
+}
+void CPDF_StreamContentParser::StartArray()
+{
+ if (m_ObjectSize)
+ if (m_pObjectStack[0]->GetType() != PDFOBJ_DICTIONARY && m_pObjectStack[m_ObjectSize - 1]->GetType() == PDFOBJ_ARRAY) {
+ return;
+ }
+ CPDF_Array* pArray = FX_NEW CPDF_Array;
+ AddContainer(pArray);
+}
+void CPDF_StreamContentParser::EndArray()
+{
+ if (m_ObjectSize == 0) {
+ return;
+ }
+ CPDF_Object* pCurObj = m_pObjectStack[m_ObjectSize - 1];
+ if (pCurObj->GetType() != PDFOBJ_ARRAY) {
+ return;
+ }
+ m_ObjectSize --;
+ if (m_ObjectSize == 0) {
+ AddObjectParam(pCurObj);
+ } else {
+ if (!m_pObjectState[m_ObjectSize]) {
+ pCurObj->Release();
+ }
+ }
+ m_pObjectState[m_ObjectSize] = FALSE;
+}
+void CPDF_StreamContentParser::StartDict()
+{
+ CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
+ AddContainer(pDict);
+ m_bDictName = TRUE;
+}
+void CPDF_StreamContentParser::EndDict()
+{
+ if (m_ObjectSize == 0) {
+ return;
+ }
+ CPDF_Object* pCurObj = m_pObjectStack[m_ObjectSize - 1];
+ if (pCurObj->GetType() != PDFOBJ_DICTIONARY) {
+ return;
+ }
+ m_ObjectSize --;
+ if (m_ObjectSize == 0) {
+ AddObjectParam(pCurObj);
+ } else {
+ if (!m_pObjectState[m_ObjectSize]) {
+ pCurObj->Release();
+ }
+ }
+ m_pObjectState[m_ObjectSize] = FALSE;
+}
+void CPDF_StreamContentParser::EndName()
+{
+ if (m_ObjectSize == 0) {
+ AddNameParam((FX_LPCSTR)m_pWordBuf, m_WordSize);
+ return;
+ }
+ CPDF_Object* pCurObj = m_pObjectStack[m_ObjectSize - 1];
+ if (pCurObj->GetType() == PDFOBJ_ARRAY) {
+ ((CPDF_Array*)pCurObj)->AddName(CFX_ByteString(m_pWordBuf, m_WordSize));
+ } else {
+ if (m_bDictName) {
+ FXSYS_memcpy32(m_pDictName, m_pWordBuf, m_WordSize);
+ m_pDictName[m_WordSize] = 0;
+ } else {
+ if (m_pDictName[0] != 0) {
+ ((CPDF_Dictionary*)pCurObj)->SetAtName((FX_LPCSTR)m_pDictName, CFX_ByteString(m_pWordBuf, m_WordSize));
+ }
+ }
+ m_bDictName = !m_bDictName;
+ }
+}
+void CPDF_StreamContentParser::EndNumber()
+{
+ if (m_ObjectSize == 0) {
+ AddNumberParam((FX_LPCSTR)m_pWordBuf, m_WordSize);
+ return;
+ }
+ CPDF_Number *pObj = FX_NEW CPDF_Number(CFX_ByteStringC(m_pWordBuf, m_WordSize));
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+}
+extern CFX_ByteString _FPDF_ByteStringFromHex(CFX_BinaryBuf& src_buf);
+void CPDF_StreamContentParser::EndHexString()
+{
+ CPDF_String *pObj = FX_NEW CPDF_String(_FPDF_ByteStringFromHex(m_StringBuf), TRUE);
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+}
+void CPDF_StreamContentParser::EndString()
+{
+ CPDF_String *pObj = FX_NEW CPDF_String(m_StringBuf.GetByteString());
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+}
+void CPDF_StreamContentParser::Handle_BeginImage(void)
+{
+ m_WordState = 9;
+ m_InlineImageState = 0;
+ m_StringBuf.Clear();
+}
+void _PDF_ReplaceAbbr(CPDF_Object* pObj);
+void CPDF_StreamContentParser::EndImageDict()
+{
+ if (m_StringBuf.GetSize() != m_LastImageDict.GetSize() ||
+ FXSYS_memcmp32(m_StringBuf.GetBuffer(), m_LastImageDict.GetBuffer(), m_StringBuf.GetSize())) {
+ m_WordState = 0;
+ StartDict();
+ InputData(m_StringBuf.GetBuffer(), m_StringBuf.GetSize());
+ Finish();
+ m_bSameLastDict = FALSE;
+ if (m_pLastImageDict && m_bReleaseLastDict) {
+ m_pLastImageDict->Release();
+ m_pLastImageDict = NULL;
+ }
+ if (!m_ObjectSize) {
+ m_InlineImageState = 0;
+ return;
+ }
+ m_pLastImageDict = (CPDF_Dictionary*)m_pObjectStack[--m_ObjectSize];
+ m_bReleaseLastDict = !m_pObjectState[m_ObjectSize];
+ m_pObjectState[m_ObjectSize] = FALSE;
+ _PDF_ReplaceAbbr(m_pLastImageDict);
+ m_LastImageDict.TakeOver(m_StringBuf);
+ if (m_pLastImageDict->KeyExist(FX_BSTRC("ColorSpace"))) {
+ CPDF_Object* pCSObj = m_pLastImageDict->GetElementValue(FX_BSTRC("ColorSpace"));
+ if (pCSObj->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pCSObj->GetString();
+ if (name != FX_BSTRC("DeviceRGB") && name != FX_BSTRC("DeviceGray") && name != FX_BSTRC("DeviceCMYK")) {
+ pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
+ if (pCSObj) {
+ if (!pCSObj->GetObjNum()) {
+ pCSObj = pCSObj->Clone();
+ }
+ m_pLastImageDict->SetAt(FX_BSTRC("ColorSpace"), pCSObj, m_pDocument);
+ }
+ }
+ }
+ }
+ } else {
+ m_bSameLastDict = TRUE;
+ }
+ m_ImageSrcBuf.Clear();
+ if (m_pLastCloneImageDict) {
+ m_pLastCloneImageDict->Release();
+ }
+ m_pLastCloneImageDict = (CPDF_Dictionary*)m_pLastImageDict->Clone();
+ if (m_pLastCloneImageDict->KeyExist(FX_BSTRC("Filter"))) {
+ m_WordState = 10;
+ m_InlineImageState = 0;
+ } else {
+ int width = m_pLastCloneImageDict->GetInteger(FX_BSTRC("Width"));
+ int height = m_pLastCloneImageDict->GetInteger(FX_BSTRC("Height"));
+ int OrigSize = 0;
+ CPDF_Object* pCSObj = m_pLastCloneImageDict->GetElementValue(FX_BSTRC("ColorSpace"));
+ if (pCSObj != NULL) {
+ int bpc = m_pLastCloneImageDict->GetInteger(FX_BSTRC("BitsPerComponent"));
+ int nComponents = 1;
+ CPDF_ColorSpace* pCS = m_pDocument->LoadColorSpace(pCSObj);
+ if (pCS == NULL) {
+ nComponents = 3;
+ } else {
+ nComponents = pCS->CountComponents();
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
+ }
+ int pitch = (width * bpc * nComponents + 7) / 8;
+ OrigSize = pitch * height;
+ } else {
+ OrigSize = ((width + 7) / 8) * height;
+ }
+ m_ImageSrcBuf.AppendBlock(NULL, OrigSize);
+ m_WordState = 11;
+ m_InlineImageState = 0;
+ }
+}
+void CPDF_StreamContentParser::EndInlineImage()
+{
+ CFX_AffineMatrix ImageMatrix;
+ ImageMatrix.Copy(m_pCurStates->m_CTM);
+ ImageMatrix.Concat(m_mtContentToUser);
+ m_LastImageData.CopyData(m_ImageSrcBuf.GetBuffer(), m_ImageSrcBuf.GetSize());
+ CPDF_Stream* pStream = CPDF_Stream::Create(m_ImageSrcBuf.GetBuffer(), m_ImageSrcBuf.GetSize(),
+ m_pLastCloneImageDict);
+ m_ImageSrcBuf.DetachBuffer();
+ m_pLastCloneImageDict = NULL;
+ CPDF_InlineImages* pImages = FX_NEW CPDF_InlineImages;
+ pImages->m_pStream = pStream;
+ SetGraphicStates(pImages, !m_pLastCloneImageDict->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
+ pImages->AddMatrix(ImageMatrix);
+ m_pObjectList->m_ObjectList.AddTail(pImages);
+ m_WordState = 0;
+}
+#define FXDWORD_TRUE FXDWORD_FROM_LSBFIRST(0x65757274)
+#define FXDWORD_NULL FXDWORD_FROM_LSBFIRST(0x6c6c756e)
+#define FXDWORD_FALS FXDWORD_FROM_LSBFIRST(0x736c6166)
+void CPDF_StreamContentParser::EndKeyword()
+{
+ CPDF_Object *pObj = NULL;
+ if (m_WordSize == 4) {
+ if (*(FX_DWORD*)m_pWordBuf == FXDWORD_TRUE) {
+ pObj = CPDF_Boolean::Create(TRUE);
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+ return;
+ } else if (*(FX_DWORD*)m_pWordBuf == FXDWORD_NULL) {
+ pObj = CPDF_Null::Create();
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+ return;
+ }
+ } else if (m_WordSize == 5) {
+ if (*(FX_DWORD*)m_pWordBuf == FXDWORD_FALS && m_pWordBuf[4] == 'e') {
+ pObj = CPDF_Boolean::Create(FALSE);
+ if (!SetToCurObj(pObj)) {
+ pObj->Release();
+ }
+ return;
+ }
+ }
+ m_pWordBuf[m_WordSize] = 0;
+ OnOperator((char*)m_pWordBuf);
+ ClearAllParams();
+}
+#define PAGEPARSE_STAGE_PARSE 2
+#define PAGEPARSE_STAGE_CHECKCLIP 3
+CPDF_ContentParser::CPDF_ContentParser()
+{
+ m_pParser = NULL;
+ m_Status = Ready;
+ m_pStreamFilter = NULL;
+ m_pType3Char = NULL;
+}
+CPDF_ContentParser::~CPDF_ContentParser()
+{
+ Clear();
+}
+void CPDF_ContentParser::Clear()
+{
+ if (m_pParser) {
+ delete m_pParser;
+ }
+ if (m_pStreamFilter) {
+ delete m_pStreamFilter;
+ }
+ m_pParser = NULL;
+ m_Status = Ready;
+}
+void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions)
+{
+ if (m_Status != Ready || pPage == NULL || pPage->m_pDocument == NULL || pPage->m_pFormDict == NULL) {
+ m_Status = Done;
+ return;
+ }
+ m_pObjects = pPage;
+ m_bForm = FALSE;
+ if (pOptions) {
+ m_Options = *pOptions;
+ }
+ CPDF_Object* pContent = pPage->m_pFormDict->GetElementValue(FX_BSTRC("Contents"));
+ if (pContent == NULL) {
+ m_Status = Done;
+ return;
+ }
+ if (pContent->GetType() == PDFOBJ_STREAM) {
+ m_nStreams = 1;
+ } else if (pContent->GetType() == PDFOBJ_ARRAY) {
+ m_nStreams = ((CPDF_Array*)pContent)->GetCount();
+ } else {
+ m_Status = Done;
+ return;
+ }
+ m_Status = ToBeContinued;
+ m_InternalStage = PAGEPARSE_STAGE_PARSE;
+ m_CurrentOffset = 0;
+ m_pParser = FX_NEW CPDF_StreamContentParser;
+ m_pParser->Initialize();
+ m_pParser->PrepareParse(pPage->m_pDocument, pPage->m_pResources, NULL, NULL, pPage,
+ pPage->m_pResources, &pPage->m_BBox, &m_Options, NULL, 0);
+ m_pParser->m_pCurStates->m_ColorState.GetModify()->Default();
+}
+void CPDF_ContentParser::Start(CPDF_Form* pForm, CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level)
+{
+ m_pType3Char = pType3Char;
+ m_pObjects = pForm;
+ m_bForm = TRUE;
+ CFX_AffineMatrix form_matrix = pForm->m_pFormDict->GetMatrix(FX_BSTRC("Matrix"));
+ if (pGraphicStates) {
+ form_matrix.Concat(pGraphicStates->m_CTM);
+ }
+ CPDF_Array* pBBox = pForm->m_pFormDict->GetArray(FX_BSTRC("BBox"));
+ CFX_FloatRect form_bbox;
+ CPDF_Path ClipPath;
+ if (pBBox) {
+ form_bbox = pBBox->GetRect();
+ ClipPath.New();
+ ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right, form_bbox.top);
+ ClipPath.Transform(&form_matrix);
+ if (pParentMatrix) {
+ ClipPath.Transform(pParentMatrix);
+ }
+ form_bbox.Transform(&form_matrix);
+ }
+ CPDF_Dictionary* pResources = pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
+ m_pParser = FX_NEW CPDF_StreamContentParser;
+ m_pParser->Initialize();
+ m_pParser->PrepareParse(pForm->m_pDocument, pForm->m_pPageResources, pForm->m_pResources, pParentMatrix, pForm,
+ pResources, &form_bbox, pOptions, pGraphicStates, level);
+ m_pParser->m_pCurStates->m_CTM = form_matrix;
+ if (ClipPath.NotNull()) {
+ m_pParser->m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
+ }
+ if (pForm->m_Transparency & PDFTRANS_GROUP) {
+ CPDF_GeneralStateData* pData = m_pParser->m_pCurStates->m_GeneralState.GetModify();
+ pData->m_BlendType = FXDIB_BLEND_NORMAL;
+ pData->m_StrokeAlpha = 1.0f;
+ pData->m_FillAlpha = 1.0f;
+ pData->m_pSoftMask = NULL;
+ }
+ m_pStreamFilter = pForm->m_pFormStream->GetStreamFilter();
+ m_nStreams = 1;
+ m_Status = ToBeContinued;
+ m_InternalStage = PAGEPARSE_STAGE_PARSE;
+ m_CurrentOffset = 0;
+}
+void CPDF_ContentParser::Continue(IFX_Pause* pPause)
+{
+ while (m_Status == ToBeContinued) {
+ if (m_InternalStage == PAGEPARSE_STAGE_PARSE) {
+ if (m_pStreamFilter == NULL) {
+ if (m_CurrentOffset == m_nStreams) {
+ m_InternalStage = PAGEPARSE_STAGE_CHECKCLIP;
+ if (m_pType3Char) {
+ m_pType3Char->m_bColored = m_pParser->m_bColored;
+ m_pType3Char->m_Width = FXSYS_round(m_pParser->m_Type3Data[0] * 1000);
+ m_pType3Char->m_BBox.left = FXSYS_round(m_pParser->m_Type3Data[2] * 1000);
+ m_pType3Char->m_BBox.bottom = FXSYS_round(m_pParser->m_Type3Data[3] * 1000);
+ m_pType3Char->m_BBox.right = FXSYS_round(m_pParser->m_Type3Data[4] * 1000);
+ m_pType3Char->m_BBox.top = FXSYS_round(m_pParser->m_Type3Data[5] * 1000);
+ m_pType3Char->m_bPageRequired = m_pParser->m_bResourceMissing;
+ }
+ delete m_pParser;
+ m_pParser = NULL;
+ continue;
+ }
+ CPDF_Object* pContent = m_pObjects->m_pFormDict->GetElementValue(FX_BSTRC("Contents"));
+ if (pContent->GetType() == PDFOBJ_STREAM) {
+ m_pStreamFilter = ((CPDF_Stream*)pContent)->GetStreamFilter();
+ } else {
+ CPDF_Stream* pStream = ((CPDF_Array*)pContent)->GetStream(m_CurrentOffset);
+ if (pStream == NULL) {
+ m_CurrentOffset ++;
+ continue;
+ }
+ m_pStreamFilter = pStream->GetStreamFilter();
+ }
+ }
+ FX_DWORD len = m_pStreamFilter->ReadBlock(m_pParser->m_pStreamBuf, STREAM_PARSE_BUFSIZE);
+ m_pParser->InputData(m_pParser->m_pStreamBuf, len);
+ if (m_pParser->m_bAbort) {
+ delete m_pStreamFilter;
+ m_pStreamFilter = NULL;
+ m_Status = Done;
+ delete m_pParser;
+ m_pParser = NULL;
+ return;
+ }
+ if (len < STREAM_PARSE_BUFSIZE) {
+ m_pParser->Finish();
+ m_CurrentOffset ++;
+ delete m_pStreamFilter;
+ m_pStreamFilter = NULL;
+ }
+ if (pPause && pPause->NeedToPauseNow()) {
+ return;
+ }
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_CHECKCLIP) {
+ FX_POSITION pos = m_pObjects->m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_pObjects->m_ObjectList.GetNext(pos);
+ if (pObj == NULL) {
+ continue;
+ }
+ if (pObj->m_ClipPath.IsNull()) {
+ continue;
+ }
+ if (pObj->m_ClipPath.GetPathCount() != 1) {
+ continue;
+ }
+ if (pObj->m_ClipPath.GetTextCount()) {
+ continue;
+ }
+ CPDF_Path ClipPath = pObj->m_ClipPath.GetPath(0);
+ if (!ClipPath.IsRect() || pObj->m_Type == PDFPAGE_SHADING) {
+ continue;
+ }
+ CFX_FloatRect old_rect(ClipPath.GetPointX(0), ClipPath.GetPointY(0),
+ ClipPath.GetPointX(2), ClipPath.GetPointY(2));
+ CFX_FloatRect obj_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top);
+ if (old_rect.Contains(obj_rect)) {
+ pObj->m_ClipPath.SetNull();
+ }
+ }
+ if (m_pObjects->m_ObjectList.GetCount() == 1) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_pObjects->m_ObjectList.GetAt(m_pObjects->m_ObjectList.GetHeadPosition());
+ if (pObj && pObj->m_Type == PDFPAGE_TEXT) {
+ CPDF_TextObject* pText = (CPDF_TextObject*)pObj;
+ }
+ }
+ m_Status = Done;
+ return;
+ }
+ }
+}
+int CPDF_ContentParser::EstimateProgress()
+{
+ if (m_Status == Ready) {
+ return 0;
+ }
+ if (m_Status == Done) {
+ return 100;
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_CHECKCLIP) {
+ return 90;
+ }
+ if (m_pStreamFilter == NULL) {
+ return 90 * m_CurrentOffset / m_nStreams;
+ }
+ int total_raw_size = m_pStreamFilter->GetStream()->GetRawSize() * m_nStreams;
+ int parsed_raw_size = m_pStreamFilter->GetStream()->GetRawSize() * m_CurrentOffset +
+ m_pStreamFilter->GetSrcPos();
+ return 90 * parsed_raw_size / total_raw_size;
+}
+CPDF_InlineImages::CPDF_InlineImages()
+{
+ m_Type = PDFPAGE_INLINES;
+ m_pStream = NULL;
+ m_pBitmap = NULL;
+}
+CPDF_InlineImages::~CPDF_InlineImages()
+{
+ if (m_pStream) {
+ m_pStream->Release();
+ }
+ if (m_pBitmap) {
+ delete m_pBitmap;
+ }
+}
+void CPDF_InlineImages::AddMatrix(CFX_AffineMatrix& matrix)
+{
+ m_Matrices.Add(matrix);
+ CFX_FloatRect rect = matrix.GetUnitRect();
+ if (m_Matrices.GetSize() > 1) {
+ CFX_FloatRect rect1(m_Left, m_Bottom, m_Right, m_Top);
+ rect.Union(rect1);
+ }
+ m_Left = rect.left;
+ m_Right = rect.right;
+ m_Top = rect.top;
+ m_Bottom = rect.bottom;
+}
+#endif
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp new file mode 100644 index 0000000000..2f0a18d62e --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp @@ -0,0 +1,1146 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fxcodec/fx_codec.h"
+#include "pageint.h"
+#include <limits.h>
+extern const FX_LPCSTR _PDF_OpCharType =
+ "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"
+ "IIVIIIIVIIVIIIIIVVIIIIIIIIIIIIII"
+ "IIVVVVVVIVVVVVVIVVVVVIIVVIIIIIII"
+ "IIVVVVVVVVVVVVVVIVVVIIVVIVVIIIII"
+ "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"
+ "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"
+ "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"
+ "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII";
+FX_BOOL _PDF_HasInvalidOpChar(FX_LPCSTR op)
+{
+ if(!op) {
+ return FALSE;
+ }
+ FX_BYTE ch;
+ while((ch = *op++)) {
+ if(_PDF_OpCharType[ch] == 'I') {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+FX_DWORD CPDF_StreamContentParser::Parse(FX_LPCBYTE pData, FX_DWORD dwSize, FX_DWORD max_cost)
+{
+ if (m_Level > _FPDF_MAX_FORM_LEVEL_) {
+ return dwSize;
+ }
+ FX_DWORD InitObjCount = m_pObjectList->CountObjects();
+ CPDF_StreamParser syntax(pData, dwSize);
+ m_pSyntax = &syntax;
+ m_CompatCount = 0;
+ while (1) {
+ FX_DWORD cost = m_pObjectList->CountObjects() - InitObjCount;
+ if (max_cost && cost >= max_cost) {
+ break;
+ }
+ switch (syntax.ParseNextElement()) {
+ case CPDF_StreamParser::EndOfData:
+ return m_pSyntax->GetPos();
+ case CPDF_StreamParser::Keyword:
+ if(!OnOperator((char*)syntax.GetWordBuf()) && _PDF_HasInvalidOpChar((char*)syntax.GetWordBuf())) {
+ m_bAbort = TRUE;
+ }
+ if (m_bAbort) {
+ return m_pSyntax->GetPos();
+ }
+ ClearAllParams();
+ break;
+ case CPDF_StreamParser::Number:
+ AddNumberParam((char*)syntax.GetWordBuf(), syntax.GetWordSize());
+ break;
+ case CPDF_StreamParser::Name:
+ AddNameParam((FX_LPCSTR)syntax.GetWordBuf() + 1, syntax.GetWordSize() - 1);
+ break;
+ default:
+ AddObjectParam(syntax.GetObject());
+ }
+ }
+ return m_pSyntax->GetPos();
+}
+void _PDF_ReplaceAbbr(CPDF_Object* pObj);
+void CPDF_StreamContentParser::Handle_BeginImage()
+{
+ FX_FILESIZE savePos = m_pSyntax->GetPos();
+ CPDF_Dictionary* pDict = CPDF_Dictionary::Create();
+ while (1) {
+ CPDF_StreamParser::SyntaxType type = m_pSyntax->ParseNextElement();
+ if (type == CPDF_StreamParser::Keyword) {
+ CFX_ByteString bsKeyword(m_pSyntax->GetWordBuf(), m_pSyntax->GetWordSize());
+ if (bsKeyword != FX_BSTRC("ID")) {
+ m_pSyntax->SetPos(savePos);
+ pDict->Release();
+ return;
+ }
+ }
+ if (type != CPDF_StreamParser::Name) {
+ break;
+ }
+ CFX_ByteString key((FX_LPCSTR)m_pSyntax->GetWordBuf() + 1, m_pSyntax->GetWordSize() - 1);
+ CPDF_Object* pObj = m_pSyntax->ReadNextObject();
+ if (!key.IsEmpty()) {
+ pDict->SetAt(key, pObj, m_pDocument);
+ } else {
+ pObj->Release();
+ }
+ }
+ _PDF_ReplaceAbbr(pDict);
+ CPDF_Object* pCSObj = NULL;
+ if (pDict->KeyExist(FX_BSTRC("ColorSpace"))) {
+ pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
+ if (pCSObj->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pCSObj->GetString();
+ if (name != FX_BSTRC("DeviceRGB") && name != FX_BSTRC("DeviceGray") && name != FX_BSTRC("DeviceCMYK")) {
+ pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
+ if (pCSObj && !pCSObj->GetObjNum()) {
+ pCSObj = pCSObj->Clone();
+ pDict->SetAt(FX_BSTRC("ColorSpace"), pCSObj, m_pDocument);
+ }
+ }
+ }
+ }
+ CPDF_Stream* pStream = m_pSyntax->ReadInlineStream(m_pDocument, pDict, pCSObj, m_Options.m_bDecodeInlineImage);
+ while (1) {
+ CPDF_StreamParser::SyntaxType type = m_pSyntax->ParseNextElement();
+ if (type == CPDF_StreamParser::EndOfData) {
+ break;
+ }
+ if (type != CPDF_StreamParser::Keyword) {
+ continue;
+ }
+ if (m_pSyntax->GetWordSize() == 2 && m_pSyntax->GetWordBuf()[0] == 'E' &&
+ m_pSyntax->GetWordBuf()[1] == 'I') {
+ break;
+ }
+ }
+ if (m_Options.m_bTextOnly) {
+ if (pStream) {
+ pStream->Release();
+ } else {
+ pDict->Release();
+ }
+ return;
+ }
+ pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Image"));
+ CPDF_ImageObject *pImgObj = AddImage(pStream, NULL, TRUE);
+ if (!pImgObj) {
+ if (pStream) {
+ pStream->Release();
+ } else {
+ pDict->Release();
+ }
+ }
+}
+void CPDF_StreamContentParser::ParsePathObject()
+{
+ FX_FLOAT params[6] = {0};
+ int nParams = 0;
+ int last_pos = m_pSyntax->GetPos();
+ while (1) {
+ CPDF_StreamParser::SyntaxType type = m_pSyntax->ParseNextElement();
+ FX_BOOL bProcessed = TRUE;
+ switch (type) {
+ case CPDF_StreamParser::EndOfData:
+ return;
+ case CPDF_StreamParser::Keyword: {
+ int len = m_pSyntax->GetWordSize();
+ if (len == 1) {
+ switch (m_pSyntax->GetWordBuf()[0]) {
+ case 'm':
+ AddPathPoint(params[0], params[1], FXPT_MOVETO);
+ nParams = 0;
+ break;
+ case 'l':
+ AddPathPoint(params[0], params[1], FXPT_LINETO);
+ nParams = 0;
+ break;
+ case 'c':
+ AddPathPoint(params[0], params[1], FXPT_BEZIERTO);
+ AddPathPoint(params[2], params[3], FXPT_BEZIERTO);
+ AddPathPoint(params[4], params[5], FXPT_BEZIERTO);
+ nParams = 0;
+ break;
+ case 'v':
+ AddPathPoint(m_PathCurrentX, m_PathCurrentY, FXPT_BEZIERTO);
+ AddPathPoint(params[0], params[1], FXPT_BEZIERTO);
+ AddPathPoint(params[2], params[3], FXPT_BEZIERTO);
+ nParams = 0;
+ break;
+ case 'y':
+ AddPathPoint(params[0], params[1], FXPT_BEZIERTO);
+ AddPathPoint(params[2], params[3], FXPT_BEZIERTO);
+ AddPathPoint(params[2], params[3], FXPT_BEZIERTO);
+ nParams = 0;
+ break;
+ case 'h':
+ Handle_ClosePath();
+ nParams = 0;
+ break;
+ default:
+ bProcessed = FALSE;
+ break;
+ }
+ } else if (len == 2) {
+ if (m_pSyntax->GetWordBuf()[0] == 'r' && m_pSyntax->GetWordBuf()[1] == 'e') {
+ AddPathRect(params[0], params[1], params[2], params[3]);
+ nParams = 0;
+ } else {
+ bProcessed = FALSE;
+ }
+ } else {
+ bProcessed = FALSE;
+ }
+ if (bProcessed) {
+ last_pos = m_pSyntax->GetPos();
+ }
+ break;
+ }
+ case CPDF_StreamParser::Number: {
+ if (nParams == 6) {
+ break;
+ }
+ FX_BOOL bInteger;
+ int value;
+ FX_atonum(CFX_ByteStringC(m_pSyntax->GetWordBuf(), m_pSyntax->GetWordSize()), bInteger, &value);
+ params[nParams++] = bInteger ? (FX_FLOAT)value : *(FX_FLOAT*)&value;
+ break;
+ }
+ default:
+ bProcessed = FALSE;
+ }
+ if (!bProcessed) {
+ m_pSyntax->SetPos(last_pos);
+ return;
+ }
+ }
+}
+CPDF_StreamParser::CPDF_StreamParser(const FX_BYTE* pData, FX_DWORD dwSize)
+{
+ m_pBuf = pData;
+ m_Size = dwSize;
+ m_Pos = 0;
+ m_pLastObj = NULL;
+}
+CPDF_StreamParser::~CPDF_StreamParser()
+{
+ if (m_pLastObj) {
+ m_pLastObj->Release();
+ }
+}
+FX_DWORD _DecodeAllScanlines(ICodec_ScanlineDecoder* pDecoder, FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
+{
+ if (pDecoder == NULL) {
+ return (FX_DWORD) - 1;
+ }
+ int ncomps = pDecoder->CountComps();
+ int bpc = pDecoder->GetBPC();
+ int width = pDecoder->GetWidth();
+ int height = pDecoder->GetHeight();
+ int pitch = (width * ncomps * bpc + 7) / 8;
+ if (height == 0 || pitch > (1 << 30) / height) {
+ delete pDecoder;
+ return -1;
+ }
+ dest_size = pitch * height;
+ dest_buf = FX_Alloc( FX_BYTE, dest_size);
+ for (int row = 0; row < height; row ++) {
+ FX_LPBYTE pLine = pDecoder->GetScanline(row);
+ if (pLine == NULL) {
+ break;
+ }
+ FXSYS_memcpy32(dest_buf + row * pitch, pLine, pitch);
+ }
+ FX_DWORD srcoff = pDecoder->GetSrcOffset();
+ delete pDecoder;
+ return srcoff;
+}
+ICodec_ScanlineDecoder* FPDFAPI_CreateFaxDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
+ const CPDF_Dictionary* pParams);
+FX_DWORD _A85Decode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size);
+FX_DWORD _HexDecode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size);
+FX_DWORD FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_buf, FX_DWORD src_size, CPDF_Dictionary* pParams,
+ FX_DWORD estimated_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size);
+FX_DWORD PDF_DecodeInlineStream(const FX_BYTE* src_buf, FX_DWORD limit,
+ int width, int height, CFX_ByteString& decoder,
+ CPDF_Dictionary* pParam, FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
+{
+ if (decoder == FX_BSTRC("CCITTFaxDecode") || decoder == FX_BSTRC("CCF")) {
+ ICodec_ScanlineDecoder* pDecoder = FPDFAPI_CreateFaxDecoder(src_buf, limit, width, height, pParam);
+ return _DecodeAllScanlines(pDecoder, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("ASCII85Decode") || decoder == FX_BSTRC("A85")) {
+ return _A85Decode(src_buf, limit, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("ASCIIHexDecode") || decoder == FX_BSTRC("AHx")) {
+ return _HexDecode(src_buf, limit, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("FlateDecode") || decoder == FX_BSTRC("Fl")) {
+ return FPDFAPI_FlateOrLZWDecode(FALSE, src_buf, limit, pParam, dest_size, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("LZWDecode") || decoder == FX_BSTRC("LZW")) {
+ return FPDFAPI_FlateOrLZWDecode(TRUE, src_buf, limit, pParam, 0, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("DCTDecode") || decoder == FX_BSTRC("DCT")) {
+ ICodec_ScanlineDecoder* pDecoder = CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(
+ src_buf, limit, width, height, 0, pParam ? pParam->GetInteger(FX_BSTRC("ColorTransform"), 1) : 1);
+ return _DecodeAllScanlines(pDecoder, dest_buf, dest_size);
+ } else if (decoder == FX_BSTRC("RunLengthDecode") || decoder == FX_BSTRC("RL")) {
+ return RunLengthDecode(src_buf, limit, dest_buf, dest_size);
+ }
+ dest_size = 0;
+ dest_buf = 0;
+ return (FX_DWORD) - 1;
+}
+extern const FX_LPCSTR _PDF_CharType;
+CPDF_Stream* CPDF_StreamParser::ReadInlineStream(CPDF_Document* pDoc, CPDF_Dictionary* pDict, CPDF_Object* pCSObj, FX_BOOL bDecode)
+{
+ if (m_Pos == m_Size) {
+ return NULL;
+ }
+ if (_PDF_CharType[m_pBuf[m_Pos]] == 'W') {
+ m_Pos ++;
+ }
+ CFX_ByteString Decoder;
+ CPDF_Dictionary* pParam = NULL;
+ CPDF_Object* pFilter = pDict->GetElementValue(FX_BSTRC("Filter"));
+ if (pFilter == NULL) {
+ } else if (pFilter->GetType() == PDFOBJ_ARRAY) {
+ Decoder = ((CPDF_Array*)pFilter)->GetString(0);
+ CPDF_Array* pParams = pDict->GetArray(FX_BSTRC("DecodeParms"));
+ if (pParams) {
+ pParam = pParams->GetDict(0);
+ }
+ } else {
+ Decoder = pFilter->GetString();
+ pParam = pDict->GetDict(FX_BSTRC("DecodeParms"));
+ }
+ FX_DWORD width = pDict->GetInteger(FX_BSTRC("Width"));
+ FX_DWORD height = pDict->GetInteger(FX_BSTRC("Height"));
+ FX_DWORD OrigSize = 0;
+ if (pCSObj != NULL) {
+ FX_DWORD bpc = pDict->GetInteger(FX_BSTRC("BitsPerComponent"));
+ FX_DWORD nComponents = 1;
+ CPDF_ColorSpace* pCS = pDoc->LoadColorSpace(pCSObj);
+ if (pCS == NULL) {
+ nComponents = 3;
+ } else {
+ nComponents = pCS->CountComponents();
+ pDoc->GetPageData()->ReleaseColorSpace(pCSObj);
+ }
+ FX_DWORD pitch = width;
+ if (bpc && pitch > INT_MAX / bpc) {
+ return NULL;
+ }
+ pitch *= bpc;
+ if (nComponents && pitch > INT_MAX / nComponents) {
+ return NULL;
+ }
+ pitch *= nComponents;
+ if (pitch > INT_MAX - 7) {
+ return NULL;
+ }
+ pitch += 7;
+ pitch /= 8;
+ OrigSize = pitch;
+ } else {
+ if (width > INT_MAX - 7) {
+ return NULL;
+ }
+ OrigSize = ((width + 7) / 8);
+ }
+ if (height && OrigSize > INT_MAX / height) {
+ return NULL;
+ }
+ OrigSize *= height;
+ FX_LPBYTE pData = NULL;
+ FX_DWORD dwStreamSize;
+ if (Decoder.IsEmpty()) {
+ if (OrigSize > m_Size - m_Pos) {
+ OrigSize = m_Size - m_Pos;
+ }
+ pData = FX_Alloc(FX_BYTE, OrigSize);
+ FXSYS_memcpy32(pData, m_pBuf + m_Pos, OrigSize);
+ dwStreamSize = OrigSize;
+ m_Pos += OrigSize;
+ } else {
+ FX_DWORD dwDestSize = OrigSize;
+ dwStreamSize = PDF_DecodeInlineStream(m_pBuf + m_Pos, m_Size - m_Pos, width, height, Decoder, pParam,
+ pData, dwDestSize);
+ if ((int)dwStreamSize < 0) {
+ return NULL;
+ }
+ if (bDecode) {
+ m_Pos += dwStreamSize;
+ dwStreamSize = dwDestSize;
+ if (pFilter->GetType() == PDFOBJ_ARRAY) {
+ ((CPDF_Array*)pFilter)->RemoveAt(0);
+ CPDF_Array* pParams = pDict->GetArray(FX_BSTRC("DecodeParms"));
+ if (pParams) {
+ pParams->RemoveAt(0);
+ }
+ } else {
+ pDict->RemoveAt(FX_BSTRC("Filter"));
+ pDict->RemoveAt(FX_BSTRC("DecodeParms"));
+ }
+ } else {
+ if (pData) {
+ FX_Free(pData);
+ }
+ FX_DWORD dwSavePos = m_Pos;
+ m_Pos += dwStreamSize;
+ while (1) {
+ FX_DWORD dwPrevPos = m_Pos;
+ CPDF_StreamParser::SyntaxType type = ParseNextElement();
+ if (type == CPDF_StreamParser::EndOfData) {
+ break;
+ }
+ if (type != CPDF_StreamParser::Keyword) {
+ dwStreamSize += m_Pos - dwPrevPos;
+ continue;
+ }
+ if (GetWordSize() == 2 && GetWordBuf()[0] == 'E' &&
+ GetWordBuf()[1] == 'I') {
+ m_Pos = dwPrevPos;
+ break;
+ }
+ dwStreamSize += m_Pos - dwPrevPos;
+ }
+ m_Pos = dwSavePos;
+ pData = FX_Alloc(FX_BYTE, dwStreamSize);
+ FXSYS_memcpy32(pData, m_pBuf + m_Pos, dwStreamSize);
+ m_Pos += dwStreamSize;
+ }
+ }
+ pDict->SetAtInteger(FX_BSTRC("Length"), (int)dwStreamSize);
+ return CPDF_Stream::Create(pData, dwStreamSize, pDict);
+}
+#define MAX_WORD_BUFFER 256
+#define MAX_STRING_LENGTH 32767
+#define FXDWORD_TRUE FXDWORD_FROM_LSBFIRST(0x65757274)
+#define FXDWORD_NULL FXDWORD_FROM_LSBFIRST(0x6c6c756e)
+#define FXDWORD_FALS FXDWORD_FROM_LSBFIRST(0x736c6166)
+CPDF_StreamParser::SyntaxType CPDF_StreamParser::ParseNextElement()
+{
+ if (m_pLastObj) {
+ m_pLastObj->Release();
+ m_pLastObj = NULL;
+ }
+ m_WordSize = 0;
+ FX_BOOL bIsNumber = TRUE;
+ if (m_Pos >= m_Size) {
+ return EndOfData;
+ }
+ int ch = m_pBuf[m_Pos++];
+ int type = _PDF_CharType[ch];
+ while (1) {
+ while (type == 'W') {
+ if (m_Size <= m_Pos) {
+ return EndOfData;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ if (ch != '%') {
+ break;
+ }
+ while (1) {
+ if (m_Size <= m_Pos) {
+ return EndOfData;
+ }
+ ch = m_pBuf[m_Pos++];
+ if (ch == '\r' || ch == '\n') {
+ break;
+ }
+ }
+ type = _PDF_CharType[ch];
+ }
+ if (type == 'D' && ch != '/') {
+ m_Pos --;
+ m_pLastObj = ReadNextObject();
+ return Others;
+ }
+ while (1) {
+ if (m_WordSize < MAX_WORD_BUFFER) {
+ m_WordBuffer[m_WordSize++] = ch;
+ }
+ if (type != 'N') {
+ bIsNumber = FALSE;
+ }
+ if (m_Size <= m_Pos) {
+ break;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ if (type == 'D' || type == 'W') {
+ m_Pos --;
+ break;
+ }
+ }
+ m_WordBuffer[m_WordSize] = 0;
+ if (bIsNumber) {
+ return Number;
+ }
+ if (m_WordBuffer[0] == '/') {
+ return Name;
+ }
+ if (m_WordSize == 4) {
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_TRUE) {
+ m_pLastObj = CPDF_Boolean::Create(TRUE);
+ return Others;
+ }
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_NULL) {
+ m_pLastObj = CPDF_Null::Create();
+ return Others;
+ }
+ } else if (m_WordSize == 5) {
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_FALS && m_WordBuffer[4] == 'e') {
+ m_pLastObj = CPDF_Boolean::Create(FALSE);
+ return Others;
+ }
+ }
+ return Keyword;
+}
+void CPDF_StreamParser::SkipPathObject()
+{
+ FX_DWORD command_startpos = m_Pos;
+ if (m_Pos >= m_Size) {
+ return;
+ }
+ int ch = m_pBuf[m_Pos++];
+ int type = _PDF_CharType[ch];
+ while (1) {
+ while (type == 'W') {
+ if (m_Pos >= m_Size) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ if (type != 'N') {
+ m_Pos = command_startpos;
+ return;
+ }
+ while (1) {
+ while (type != 'W') {
+ if (m_Pos >= m_Size) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ while (type == 'W') {
+ if (m_Pos >= m_Size) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ if (type == 'N') {
+ continue;
+ }
+ FX_DWORD op_startpos = m_Pos - 1;
+ while (type != 'W' && type != 'D') {
+ if (m_Pos >= m_Size) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ if (m_Pos - op_startpos == 2) {
+ int op = m_pBuf[op_startpos];
+ if (op == 'm' || op == 'l' || op == 'c' || op == 'v' || op == 'y') {
+ command_startpos = m_Pos;
+ break;
+ }
+ } else if (m_Pos - op_startpos == 3) {
+ if (m_pBuf[op_startpos] == 'r' && m_pBuf[op_startpos + 1] == 'e') {
+ command_startpos = m_Pos;
+ break;
+ }
+ }
+ m_Pos = command_startpos;
+ return;
+ }
+ }
+}
+CPDF_Object* CPDF_StreamParser::ReadNextObject(FX_BOOL bAllowNestedArray, FX_BOOL bInArray)
+{
+ FX_BOOL bIsNumber;
+ GetNextWord(bIsNumber);
+ if (m_WordSize == 0) {
+ return NULL;
+ }
+ if (bIsNumber) {
+ m_WordBuffer[m_WordSize] = 0;
+ return CPDF_Number::Create(CFX_ByteStringC(m_WordBuffer, m_WordSize));
+ }
+ int first_char = m_WordBuffer[0];
+ if (first_char == '/') {
+ return CPDF_Name::Create(PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1)));
+ }
+ if (first_char == '(') {
+ return CPDF_String::Create(ReadString());
+ }
+ if (first_char == '<') {
+ if (m_WordSize == 1) {
+ return CPDF_String::Create(ReadHexString(), TRUE);
+ }
+ CPDF_Dictionary* pDict = CPDF_Dictionary::Create();
+ while (1) {
+ GetNextWord(bIsNumber);
+ if (m_WordSize == 0) {
+ pDict->Release();
+ return NULL;
+ }
+ if (m_WordSize == 2 && m_WordBuffer[0] == '>') {
+ break;
+ }
+ if (m_WordBuffer[0] != '/') {
+ pDict->Release();
+ return NULL;
+ }
+ CFX_ByteString key = PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1));
+ CPDF_Object* pObj = ReadNextObject(TRUE);
+ if (pObj == NULL) {
+ if (pDict) {
+ pDict->Release();
+ }
+ return NULL;
+ }
+ if (!key.IsEmpty()) {
+ pDict->SetAt(key, pObj);
+ } else {
+ pObj->Release();
+ }
+ }
+ return pDict;
+ }
+ if (first_char == '[') {
+ if (!bAllowNestedArray && bInArray) {
+ return NULL;
+ }
+ CPDF_Array* pArray = CPDF_Array::Create();
+ while (1) {
+ CPDF_Object* pObj = ReadNextObject(bAllowNestedArray, TRUE);
+ if (pObj == NULL) {
+ if (m_WordSize == 0 || m_WordBuffer[0] == ']') {
+ return pArray;
+ }
+ if (m_WordBuffer[0] == '[') {
+ continue;
+ }
+ } else {
+ pArray->Add(pObj);
+ }
+ }
+ }
+ if (m_WordSize == 4) {
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_TRUE) {
+ return CPDF_Boolean::Create(TRUE);
+ }
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_NULL) {
+ return CPDF_Null::Create();
+ }
+ } else if (m_WordSize == 5) {
+ if (*(FX_DWORD*)m_WordBuffer == FXDWORD_FALS && m_WordBuffer[4] == 'e') {
+ return CPDF_Boolean::Create(FALSE);
+ }
+ }
+ return NULL;
+}
+void CPDF_StreamParser::GetNextWord(FX_BOOL& bIsNumber)
+{
+ m_WordSize = 0;
+ bIsNumber = TRUE;
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ int ch = m_pBuf[m_Pos++];
+ int type = _PDF_CharType[ch];
+ while (1) {
+ while (type == 'W') {
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ }
+ if (ch != '%') {
+ break;
+ }
+ while (1) {
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ if (ch == '\r' || ch == '\n') {
+ break;
+ }
+ }
+ type = _PDF_CharType[ch];
+ }
+ if (type == 'D') {
+ bIsNumber = FALSE;
+ m_WordBuffer[m_WordSize++] = ch;
+ if (ch == '/') {
+ while (1) {
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ if (type != 'R' && type != 'N') {
+ m_Pos --;
+ return;
+ }
+ if (m_WordSize < MAX_WORD_BUFFER) {
+ m_WordBuffer[m_WordSize++] = ch;
+ }
+ }
+ } else if (ch == '<') {
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ if (ch == '<') {
+ m_WordBuffer[m_WordSize++] = ch;
+ } else {
+ m_Pos --;
+ }
+ } else if (ch == '>') {
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ if (ch == '>') {
+ m_WordBuffer[m_WordSize++] = ch;
+ } else {
+ m_Pos --;
+ }
+ }
+ return;
+ }
+ while (1) {
+ if (m_WordSize < MAX_WORD_BUFFER) {
+ m_WordBuffer[m_WordSize++] = ch;
+ }
+ if (type != 'N') {
+ bIsNumber = FALSE;
+ }
+ if (m_Size <= m_Pos) {
+ return;
+ }
+ ch = m_pBuf[m_Pos++];
+ type = _PDF_CharType[ch];
+ if (type == 'D' || type == 'W') {
+ m_Pos --;
+ break;
+ }
+ }
+}
+CFX_ByteString CPDF_StreamParser::ReadString()
+{
+ if (m_Size <= m_Pos) {
+ return CFX_ByteString();
+ }
+ int ch = m_pBuf[m_Pos++];
+ CFX_ByteTextBuf buf;
+ int parlevel = 0;
+ int status = 0, iEscCode = 0;
+ while (1) {
+ switch (status) {
+ case 0:
+ if (ch == ')') {
+ if (parlevel == 0) {
+ if (buf.GetLength() > MAX_STRING_LENGTH) {
+ return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
+ }
+ return buf.GetByteString();
+ }
+ parlevel --;
+ buf.AppendChar(')');
+ } else if (ch == '(') {
+ parlevel ++;
+ buf.AppendChar('(');
+ } else if (ch == '\\') {
+ status = 1;
+ } else {
+ buf.AppendChar((char)ch);
+ }
+ break;
+ case 1:
+ if (ch >= '0' && ch <= '7') {
+ iEscCode = ch - '0';
+ status = 2;
+ break;
+ }
+ if (ch == 'n') {
+ buf.AppendChar('\n');
+ } else if (ch == 'r') {
+ buf.AppendChar('\r');
+ } else if (ch == 't') {
+ buf.AppendChar('\t');
+ } else if (ch == 'b') {
+ buf.AppendChar('\b');
+ } else if (ch == 'f') {
+ buf.AppendChar('\f');
+ } else if (ch == '\r') {
+ status = 4;
+ break;
+ } else if (ch == '\n') {
+ } else {
+ buf.AppendChar(ch);
+ }
+ status = 0;
+ break;
+ case 2:
+ if (ch >= '0' && ch <= '7') {
+ iEscCode = iEscCode * 8 + ch - '0';
+ status = 3;
+ } else {
+ buf.AppendChar(iEscCode);
+ status = 0;
+ continue;
+ }
+ break;
+ case 3:
+ if (ch >= '0' && ch <= '7') {
+ iEscCode = iEscCode * 8 + ch - '0';
+ buf.AppendChar(iEscCode);
+ status = 0;
+ } else {
+ buf.AppendChar(iEscCode);
+ status = 0;
+ continue;
+ }
+ break;
+ case 4:
+ status = 0;
+ if (ch != '\n') {
+ continue;
+ }
+ break;
+ }
+ if (m_Size <= m_Pos) {
+ break;
+ }
+ ch = m_pBuf[m_Pos++];
+ }
+ if (m_Size > m_Pos) {
+ ch = m_pBuf[m_Pos++];
+ }
+ if (buf.GetLength() > MAX_STRING_LENGTH) {
+ return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
+ }
+ return buf.GetByteString();
+}
+CFX_ByteString CPDF_StreamParser::ReadHexString()
+{
+ if (m_Size <= m_Pos) {
+ return CFX_ByteString();
+ }
+ int ch = m_pBuf[m_Pos++];
+ CFX_ByteTextBuf buf;
+ FX_BOOL bFirst = TRUE;
+ int code = 0;
+ while (1) {
+ if (ch == '>') {
+ break;
+ }
+ if (ch >= '0' && ch <= '9') {
+ if (bFirst) {
+ code = (ch - '0') * 16;
+ } else {
+ code += ch - '0';
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'A' && ch <= 'F') {
+ if (bFirst) {
+ code = (ch - 'A' + 10) * 16;
+ } else {
+ code += ch - 'A' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'a' && ch <= 'f') {
+ if (bFirst) {
+ code = (ch - 'a' + 10) * 16;
+ } else {
+ code += ch - 'a' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ }
+ if (m_Size <= m_Pos) {
+ break;
+ }
+ ch = m_pBuf[m_Pos++];
+ }
+ if (!bFirst) {
+ buf.AppendChar((char)code);
+ }
+ if (buf.GetLength() > MAX_STRING_LENGTH) {
+ return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
+ }
+ return buf.GetByteString();
+}
+#define PAGEPARSE_STAGE_GETCONTENT 1
+#define PAGEPARSE_STAGE_PARSE 2
+#define PAGEPARSE_STAGE_CHECKCLIP 3
+CPDF_ContentParser::CPDF_ContentParser()
+{
+ m_pParser = NULL;
+ m_pStreamArray = NULL;
+ m_pSingleStream = NULL;
+ m_pData = NULL;
+ m_Status = Ready;
+ m_pType3Char = NULL;
+}
+CPDF_ContentParser::~CPDF_ContentParser()
+{
+ Clear();
+}
+void CPDF_ContentParser::Clear()
+{
+ if (m_pParser) {
+ delete m_pParser;
+ }
+ if (m_pSingleStream) {
+ delete m_pSingleStream;
+ }
+ if (m_pStreamArray) {
+ for (FX_DWORD i = 0; i < m_nStreams; i ++)
+ if (m_pStreamArray[i]) {
+ delete m_pStreamArray[i];
+ }
+ FX_Free(m_pStreamArray);
+ }
+ if (m_pData && m_pSingleStream == NULL) {
+ FX_Free((void*)m_pData);
+ }
+ m_pParser = NULL;
+ m_pStreamArray = NULL;
+ m_pSingleStream = NULL;
+ m_pData = NULL;
+ m_Status = Ready;
+}
+void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions)
+{
+ if (m_Status != Ready || pPage == NULL || pPage->m_pDocument == NULL || pPage->m_pFormDict == NULL) {
+ m_Status = Done;
+ return;
+ }
+ m_pObjects = pPage;
+ m_bForm = FALSE;
+ if (pOptions) {
+ m_Options = *pOptions;
+ }
+ m_Status = ToBeContinued;
+ m_InternalStage = PAGEPARSE_STAGE_GETCONTENT;
+ m_CurrentOffset = 0;
+ CPDF_Object* pContent = pPage->m_pFormDict->GetElementValue(FX_BSTRC("Contents"));
+ if (pContent == NULL) {
+ m_Status = Done;
+ return;
+ }
+ if (pContent->GetType() == PDFOBJ_STREAM) {
+ m_nStreams = 0;
+ m_pSingleStream = FX_NEW CPDF_StreamAcc;
+ m_pSingleStream->LoadAllData((CPDF_Stream*)pContent, FALSE);
+ } else if (pContent->GetType() == PDFOBJ_ARRAY) {
+ CPDF_Array* pArray = (CPDF_Array*)pContent;
+ m_nStreams = pArray->GetCount();
+ if (m_nStreams == 0) {
+ m_Status = Done;
+ return;
+ }
+ m_pStreamArray = FX_Alloc(CPDF_StreamAcc*, m_nStreams);
+ FXSYS_memset32(m_pStreamArray, 0, sizeof(CPDF_StreamAcc*) * m_nStreams);
+ } else {
+ m_Status = Done;
+ return;
+ }
+}
+void CPDF_ContentParser::Start(CPDF_Form* pForm, CPDF_AllStates* pGraphicStates,
+ CFX_AffineMatrix* pParentMatrix, CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level)
+{
+ m_pType3Char = pType3Char;
+ m_pObjects = pForm;
+ m_bForm = TRUE;
+ CFX_AffineMatrix form_matrix = pForm->m_pFormDict->GetMatrix(FX_BSTRC("Matrix"));
+ if (pGraphicStates) {
+ form_matrix.Concat(pGraphicStates->m_CTM);
+ }
+ CPDF_Array* pBBox = pForm->m_pFormDict->GetArray(FX_BSTRC("BBox"));
+ CFX_FloatRect form_bbox;
+ CPDF_Path ClipPath;
+ if (pBBox) {
+ form_bbox = pBBox->GetRect();
+ ClipPath.New();
+ ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right, form_bbox.top);
+ ClipPath.Transform(&form_matrix);
+ if (pParentMatrix) {
+ ClipPath.Transform(pParentMatrix);
+ }
+ form_bbox.Transform(&form_matrix);
+ if (pParentMatrix) {
+ form_bbox.Transform(pParentMatrix);
+ }
+ }
+ CPDF_Dictionary* pResources = pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
+ m_pParser = FX_NEW CPDF_StreamContentParser;
+ m_pParser->Initialize();
+ m_pParser->PrepareParse(pForm->m_pDocument, pForm->m_pPageResources, pForm->m_pResources, pParentMatrix, pForm,
+ pResources, &form_bbox, pOptions, pGraphicStates, level);
+ m_pParser->m_pCurStates->m_CTM = form_matrix;
+ m_pParser->m_pCurStates->m_ParentMatrix = form_matrix;
+ if (ClipPath.NotNull()) {
+ m_pParser->m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
+ }
+ if (pForm->m_Transparency & PDFTRANS_GROUP) {
+ CPDF_GeneralStateData* pData = m_pParser->m_pCurStates->m_GeneralState.GetModify();
+ pData->m_BlendType = FXDIB_BLEND_NORMAL;
+ pData->m_StrokeAlpha = 1.0f;
+ pData->m_FillAlpha = 1.0f;
+ pData->m_pSoftMask = NULL;
+ }
+ m_nStreams = 0;
+ m_pSingleStream = FX_NEW CPDF_StreamAcc;
+ if (pForm->m_pDocument) {
+ m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
+ } else {
+ m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
+ }
+ m_pData = (FX_LPBYTE)m_pSingleStream->GetData();
+ m_Size = m_pSingleStream->GetSize();
+ m_Status = ToBeContinued;
+ m_InternalStage = PAGEPARSE_STAGE_PARSE;
+ m_CurrentOffset = 0;
+}
+void CPDF_ContentParser::Continue(IFX_Pause* pPause)
+{
+ int steps = 0;
+ while (m_Status == ToBeContinued) {
+ if (m_InternalStage == PAGEPARSE_STAGE_GETCONTENT) {
+ if (m_CurrentOffset == m_nStreams) {
+ if (m_pStreamArray) {
+ m_Size = 0;
+ FX_DWORD i;
+ for (i = 0; i < m_nStreams; i ++) {
+ FX_DWORD size = m_pStreamArray[i]->GetSize();
+ if (m_Size + size + 1 <= m_Size) {
+ m_Status = Done;
+ return;
+ }
+ m_Size += size + 1;
+ }
+ m_pData = FX_Alloc(FX_BYTE, m_Size);
+ if (!m_pData) {
+ m_Status = Done;
+ return;
+ }
+ FX_DWORD pos = 0;
+ for (i = 0; i < m_nStreams; i ++) {
+ FXSYS_memcpy32(m_pData + pos, m_pStreamArray[i]->GetData(), m_pStreamArray[i]->GetSize());
+ pos += m_pStreamArray[i]->GetSize() + 1;
+ m_pData[pos - 1] = ' ';
+ delete m_pStreamArray[i];
+ }
+ FX_Free(m_pStreamArray);
+ m_pStreamArray = NULL;
+ } else {
+ m_pData = (FX_LPBYTE)m_pSingleStream->GetData();
+ m_Size = m_pSingleStream->GetSize();
+ }
+ m_InternalStage = PAGEPARSE_STAGE_PARSE;
+ m_CurrentOffset = 0;
+ } else {
+ CPDF_Array* pContent = m_pObjects->m_pFormDict->GetArray(FX_BSTRC("Contents"));
+ m_pStreamArray[m_CurrentOffset] = FX_NEW CPDF_StreamAcc;
+ CPDF_Stream* pStreamObj = (CPDF_Stream*)pContent->GetElementValue(m_CurrentOffset);
+ m_pStreamArray[m_CurrentOffset]->LoadAllData(pStreamObj, FALSE);
+ m_CurrentOffset ++;
+ }
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_PARSE) {
+ if (m_pParser == NULL) {
+ m_pParser = FX_NEW CPDF_StreamContentParser;
+ m_pParser->Initialize();
+ m_pParser->PrepareParse(m_pObjects->m_pDocument, m_pObjects->m_pPageResources, NULL, NULL, m_pObjects,
+ m_pObjects->m_pResources, &m_pObjects->m_BBox, &m_Options, NULL, 0);
+ m_pParser->m_pCurStates->m_ColorState.GetModify()->Default();
+ }
+ if (m_CurrentOffset >= m_Size) {
+ m_InternalStage = PAGEPARSE_STAGE_CHECKCLIP;
+ } else {
+ m_CurrentOffset += m_pParser->Parse(m_pData + m_CurrentOffset, m_Size - m_CurrentOffset, PARSE_STEP_LIMIT);
+ if (m_pParser->m_bAbort) {
+ m_InternalStage = PAGEPARSE_STAGE_CHECKCLIP;
+ continue;
+ }
+ }
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_CHECKCLIP) {
+ if (m_pType3Char) {
+ m_pType3Char->m_bColored = m_pParser->m_bColored;
+ m_pType3Char->m_Width = FXSYS_round(m_pParser->m_Type3Data[0] * 1000);
+ m_pType3Char->m_BBox.left = FXSYS_round(m_pParser->m_Type3Data[2] * 1000);
+ m_pType3Char->m_BBox.bottom = FXSYS_round(m_pParser->m_Type3Data[3] * 1000);
+ m_pType3Char->m_BBox.right = FXSYS_round(m_pParser->m_Type3Data[4] * 1000);
+ m_pType3Char->m_BBox.top = FXSYS_round(m_pParser->m_Type3Data[5] * 1000);
+ }
+ FX_POSITION pos = m_pObjects->m_ObjectList.GetHeadPosition();
+ while (pos) {
+ CPDF_PageObject* pObj = (CPDF_PageObject*)m_pObjects->m_ObjectList.GetNext(pos);
+ if (pObj->m_ClipPath.IsNull()) {
+ continue;
+ }
+ if (pObj->m_ClipPath.GetPathCount() != 1) {
+ continue;
+ }
+ if (pObj->m_ClipPath.GetTextCount()) {
+ continue;
+ }
+ CPDF_Path ClipPath = pObj->m_ClipPath.GetPath(0);
+ if (!ClipPath.IsRect() || pObj->m_Type == PDFPAGE_SHADING) {
+ continue;
+ }
+ CFX_FloatRect old_rect(ClipPath.GetPointX(0), ClipPath.GetPointY(0),
+ ClipPath.GetPointX(2), ClipPath.GetPointY(2));
+ CFX_FloatRect obj_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top);
+ if (old_rect.Contains(obj_rect)) {
+ pObj->m_ClipPath.SetNull();
+ }
+ }
+ m_Status = Done;
+ return;
+ }
+ steps ++;
+ if (pPause && pPause->NeedToPauseNow()) {
+ break;
+ }
+ }
+}
+int CPDF_ContentParser::EstimateProgress()
+{
+ if (m_Status == Ready) {
+ return 0;
+ }
+ if (m_Status == Done) {
+ return 100;
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_GETCONTENT) {
+ return 10;
+ }
+ if (m_InternalStage == PAGEPARSE_STAGE_CHECKCLIP) {
+ return 90;
+ }
+ return 10 + 80 * m_CurrentOffset / m_Size;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp new file mode 100644 index 0000000000..836c940f5e --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp @@ -0,0 +1,52 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "pageint.h"
+void CPDF_PathObject::CopyData(const CPDF_PageObject* pSrc)
+{
+ const CPDF_PathObject* pSrcObj = (const CPDF_PathObject*)pSrc;
+ m_Path = pSrcObj->m_Path;
+ m_FillType = pSrcObj->m_FillType;
+ m_bStroke = pSrcObj->m_bStroke;
+ m_Matrix = pSrcObj->m_Matrix;
+}
+void CPDF_PathObject::Transform(const CPDF_Matrix& matrix)
+{
+ m_Matrix.Concat(matrix);
+ CalcBoundingBox();
+}
+void CPDF_PathObject::SetGraphState(CPDF_GraphState GraphState)
+{
+ m_GraphState = GraphState;
+ CalcBoundingBox();
+}
+void CPDF_PathObject::CalcBoundingBox()
+{
+ if (m_Path.IsNull()) {
+ return;
+ }
+ CFX_FloatRect rect;
+ FX_FLOAT width = m_GraphState.GetObject()->m_LineWidth;
+ if (m_bStroke && width != 0) {
+ rect = m_Path.GetBoundingBox(width, m_GraphState.GetObject()->m_MiterLimit);
+ } else {
+ rect = m_Path.GetBoundingBox();
+ }
+ rect.Transform(&m_Matrix);
+ if (width == 0 && m_bStroke) {
+ rect.left += -0.5f;
+ rect.right += 0.5f;
+ rect.bottom += -0.5f;
+ rect.top += 0.5f;
+ }
+ m_Left = rect.left;
+ m_Right = rect.right;
+ m_Top = rect.top;
+ m_Bottom = rect.bottom;
+}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp new file mode 100644 index 0000000000..aee0367acb --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp @@ -0,0 +1,278 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "pageint.h"
+CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, CPDF_Object* pPatternObj, const CFX_AffineMatrix* parentMatrix) :
+ CPDF_Pattern(parentMatrix)
+{
+ m_PatternType = PATTERN_TILING;
+ m_pPatternObj = pPatternObj;
+ m_pDocument = pDoc;
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ ASSERT(pDict != NULL);
+ m_Pattern2Form = pDict->GetMatrix(FX_BSTRC("Matrix"));
+ m_bColored = pDict->GetInteger(FX_BSTRC("PaintType")) == 1;
+ if (parentMatrix) {
+ m_Pattern2Form.Concat(*parentMatrix);
+ }
+ m_pForm = NULL;
+}
+CPDF_TilingPattern::~CPDF_TilingPattern()
+{
+ if (m_pForm) {
+ delete m_pForm;
+ }
+}
+FX_BOOL CPDF_TilingPattern::Load()
+{
+ if (m_pForm != NULL) {
+ return TRUE;
+ }
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ if (pDict == NULL) {
+ return FALSE;
+ }
+ m_bColored = pDict->GetInteger(FX_BSTRC("PaintType")) == 1;
+ m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumber(FX_BSTRC("XStep")));
+ m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumber(FX_BSTRC("YStep")));
+ if (m_pPatternObj->GetType() != PDFOBJ_STREAM) {
+ return FALSE;
+ }
+ CPDF_Stream* pStream = (CPDF_Stream*)m_pPatternObj;
+ m_pForm = FX_NEW CPDF_Form(m_pDocument, NULL, pStream);
+ m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL);
+ m_BBox = pDict->GetRect(FX_BSTRC("BBox"));
+ return TRUE;
+}
+CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc, CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* parentMatrix) : CPDF_Pattern(parentMatrix)
+{
+ m_PatternType = PATTERN_SHADING;
+ m_pPatternObj = bShading ? NULL : pPatternObj;
+ m_pDocument = pDoc;
+ m_bShadingObj = bShading;
+ if (!bShading) {
+ CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
+ ASSERT(pDict != NULL);
+ m_Pattern2Form = pDict->GetMatrix(FX_BSTRC("Matrix"));
+ m_pShadingObj = pDict->GetElementValue(FX_BSTRC("Shading"));
+ if (parentMatrix) {
+ m_Pattern2Form.Concat(*parentMatrix);
+ }
+ } else {
+ m_pShadingObj = pPatternObj;
+ }
+ m_ShadingType = 0;
+ m_pCS = NULL;
+ m_nFuncs = 0;
+ for (int i = 0; i < 4; i ++) {
+ m_pFunctions[i] = NULL;
+ }
+}
+CPDF_ShadingPattern::~CPDF_ShadingPattern()
+{
+ Clear();
+}
+void CPDF_ShadingPattern::Clear()
+{
+ for (int i = 0; i < m_nFuncs; i ++) {
+ if (m_pFunctions[i]) {
+ delete m_pFunctions[i];
+ }
+ m_pFunctions[i] = NULL;
+ }
+ CPDF_ColorSpace* pCS = m_pCS;
+ if (pCS && m_pDocument) {
+ m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
+ }
+ m_ShadingType = 0;
+ m_pCS = NULL;
+ m_nFuncs = 0;
+}
+FX_BOOL CPDF_ShadingPattern::Load()
+{
+ if (m_ShadingType != 0) {
+ return TRUE;
+ }
+ CPDF_Dictionary* pShadingDict = m_pShadingObj->GetDict();
+ if (pShadingDict == NULL) {
+ return FALSE;
+ }
+ if (m_nFuncs) {
+ for (int i = 0; i < m_nFuncs; i ++)
+ if (m_pFunctions[i]) {
+ delete m_pFunctions[i];
+ }
+ m_nFuncs = 0;
+ }
+ CPDF_Object* pFunc = pShadingDict->GetElementValue(FX_BSTRC("Function"));
+ if (pFunc) {
+ if (pFunc->GetType() == PDFOBJ_ARRAY) {
+ m_nFuncs = ((CPDF_Array*)pFunc)->GetCount();
+ if (m_nFuncs > 4) {
+ m_nFuncs = 4;
+ }
+ for (int i = 0; i < m_nFuncs; i ++) {
+ m_pFunctions[i] = CPDF_Function::Load(((CPDF_Array*)pFunc)->GetElementValue(i));
+ }
+ } else {
+ m_pFunctions[0] = CPDF_Function::Load(pFunc);
+ m_nFuncs = 1;
+ }
+ }
+ CPDF_Object* pCSObj = pShadingDict->GetElementValue(FX_BSTRC("ColorSpace"));
+ if (pCSObj == NULL) {
+ return FALSE;
+ }
+ CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
+ m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL);
+ m_ShadingType = pShadingDict->GetInteger(FX_BSTRC("ShadingType"));
+ return TRUE;
+}
+FX_BOOL CPDF_ShadingPattern::Reload()
+{
+ Clear();
+ return Load();
+}
+FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream, CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS)
+{
+ m_Stream.LoadAllData(pShadingStream);
+ m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize());
+ m_pFuncs = pFuncs;
+ m_nFuncs = nFuncs;
+ m_pCS = pCS;
+ CPDF_Dictionary* pDict = pShadingStream->GetDict();
+ m_nCoordBits = pDict->GetInteger(FX_BSTRC("BitsPerCoordinate"));
+ m_nCompBits = pDict->GetInteger(FX_BSTRC("BitsPerComponent"));
+ m_nFlagBits = pDict->GetInteger(FX_BSTRC("BitsPerFlag"));
+ if (!m_nCoordBits || !m_nCompBits) {
+ return FALSE;
+ }
+ int nComps = pCS->CountComponents();
+ if (nComps > 8) {
+ return FALSE;
+ }
+ m_nComps = nFuncs ? 1 : nComps;
+ if (((int)m_nComps < 0) || m_nComps > 8) {
+ return FALSE;
+ }
+ m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1;
+ m_CompMax = (1 << m_nCompBits) - 1;
+ CPDF_Array* pDecode = pDict->GetArray(FX_BSTRC("Decode"));
+ if (pDecode == NULL || pDecode->GetCount() != 4 + m_nComps * 2) {
+ return FALSE;
+ }
+ m_xmin = pDecode->GetNumber(0);
+ m_xmax = pDecode->GetNumber(1);
+ m_ymin = pDecode->GetNumber(2);
+ m_ymax = pDecode->GetNumber(3);
+ for (FX_DWORD i = 0; i < m_nComps; i ++) {
+ m_ColorMin[i] = pDecode->GetNumber(i * 2 + 4);
+ m_ColorMax[i] = pDecode->GetNumber(i * 2 + 5);
+ }
+ return TRUE;
+}
+FX_DWORD CPDF_MeshStream::GetFlag()
+{
+ return m_BitStream.GetBits(m_nFlagBits) & 0x03;
+}
+void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y)
+{
+ if (m_nCoordBits == 32) {
+ x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / (double)m_CoordMax);
+ y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / (double)m_CoordMax);
+ } else {
+ x = m_xmin + m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax;
+ y = m_ymin + m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax;
+ }
+}
+void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b)
+{
+ FX_DWORD i;
+ FX_FLOAT color_value[8];
+ for (i = 0; i < m_nComps; i ++) {
+ color_value[i] = m_ColorMin[i] + m_BitStream.GetBits(m_nCompBits) * (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax;
+ }
+ if (m_nFuncs) {
+ static const int kMaxResults = 8;
+ FX_FLOAT result[kMaxResults];
+ int nResults;
+ FXSYS_memset32(result, 0, sizeof(result));
+ for (FX_DWORD i = 0; i < m_nFuncs; i ++) {
+ if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) {
+ m_pFuncs[i]->Call(color_value, 1, result, nResults);
+ }
+ }
+ m_pCS->GetRGB(result, r, g, b);
+ } else {
+ m_pCS->GetRGB(color_value, r, g, b);
+ }
+}
+FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex, CFX_AffineMatrix* pObject2Bitmap)
+{
+ FX_DWORD flag = GetFlag();
+ GetCoords(vertex.x, vertex.y);
+ pObject2Bitmap->Transform(vertex.x, vertex.y);
+ GetColor(vertex.r, vertex.g, vertex.b);
+ m_BitStream.ByteAlign();
+ return flag;
+}
+FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex, int count, CFX_AffineMatrix* pObject2Bitmap)
+{
+ for (int i = 0; i < count; i ++) {
+ if (m_BitStream.IsEOF()) {
+ return FALSE;
+ }
+ GetCoords(vertex[i].x, vertex[i].y);
+ pObject2Bitmap->Transform(vertex[i].x, vertex[i].y);
+ GetColor(vertex[i].r, vertex[i].g, vertex[i].b);
+ m_BitStream.ByteAlign();
+ }
+ return TRUE;
+}
+CFX_FloatRect _GetShadingBBox(CPDF_Stream* pStream, int type, const CFX_AffineMatrix* pMatrix,
+ CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS)
+{
+ if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM || pFuncs == NULL || pCS == NULL) {
+ return CFX_FloatRect(0, 0, 0, 0);
+ }
+ CPDF_MeshStream stream;
+ if (!stream.Load(pStream, pFuncs, nFuncs, pCS)) {
+ return CFX_FloatRect(0, 0, 0, 0);
+ }
+ CFX_FloatRect rect;
+ FX_BOOL bStarted = FALSE;
+ FX_BOOL bGouraud = type == 4 || type == 5;
+ int full_point_count = type == 7 ? 16 : (type == 6 ? 12 : 1);
+ int full_color_count = (type == 6 || type == 7) ? 4 : 1;
+ while (!stream.m_BitStream.IsEOF()) {
+ FX_DWORD flag;
+ if (type != 5) {
+ flag = stream.GetFlag();
+ }
+ int point_count = full_point_count, color_count = full_color_count;
+ if (!bGouraud && flag) {
+ point_count -= 4;
+ color_count -= 2;
+ }
+ for (int i = 0; i < point_count; i ++) {
+ FX_FLOAT x, y;
+ stream.GetCoords(x, y);
+ if (bStarted) {
+ rect.UpdateRect(x, y);
+ } else {
+ rect.InitRect(x, y);
+ bStarted = TRUE;
+ }
+ }
+ stream.m_BitStream.SkipBits(stream.m_nComps * stream.m_nCompBits * color_count);
+ if (bGouraud) {
+ stream.m_BitStream.ByteAlign();
+ }
+ }
+ rect.Transform(pMatrix);
+ return rect;
+}
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h new file mode 100644 index 0000000000..b1a83ec236 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/pageint.h @@ -0,0 +1,505 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#define PARSE_STEP_LIMIT 100
+#define STREAM_PARSE_BUFSIZE 20480
+class CPDF_QuickFontCache;
+#ifndef _FPDFAPI_MINI_
+class CPDF_StreamParser : public CFX_Object
+{
+public:
+
+ CPDF_StreamParser(const FX_BYTE* pData, FX_DWORD dwSize);
+ ~CPDF_StreamParser();
+
+ CPDF_Stream* ReadInlineStream(CPDF_Document* pDoc, CPDF_Dictionary* pDict, CPDF_Object* pCSObj, FX_BOOL bDecode);
+ typedef enum { EndOfData, Number, Keyword, Name, Others } SyntaxType;
+
+ SyntaxType ParseNextElement();
+ FX_LPBYTE GetWordBuf()
+ {
+ return m_WordBuffer;
+ }
+ FX_DWORD GetWordSize()
+ {
+ return m_WordSize;
+ }
+ CPDF_Object* GetObject()
+ {
+ CPDF_Object* pObj = m_pLastObj;
+ m_pLastObj = NULL;
+ return pObj;
+ }
+ FX_DWORD GetPos()
+ {
+ return m_Pos;
+ }
+ void SetPos(FX_DWORD pos)
+ {
+ m_Pos = pos;
+ }
+
+ CPDF_Object* ReadNextObject(FX_BOOL bAllowNestedArray = FALSE, FX_BOOL bInArray = FALSE);
+ void SkipPathObject();
+protected:
+ void GetNextWord(FX_BOOL& bIsNumber);
+ CFX_ByteString ReadString();
+ CFX_ByteString ReadHexString();
+ const FX_BYTE* m_pBuf;
+ FX_DWORD m_Size;
+ FX_DWORD m_Pos;
+ FX_BYTE m_WordBuffer[256];
+ FX_DWORD m_WordSize;
+ CPDF_Object* m_pLastObj;
+};
+#endif
+typedef enum {
+ PDFOP_CloseFillStrokePath = 0, PDFOP_FillStrokePath,
+ PDFOP_CloseEOFillStrokePath, PDFOP_EOFillStrokePath,
+ PDFOP_BeginMarkedContent_Dictionary, PDFOP_BeginImage,
+ PDFOP_BeginMarkedContent, PDFOP_BeginText,
+ PDFOP_BeginSectionUndefined, PDFOP_CurveTo_123,
+ PDFOP_ConcatMatrix, PDFOP_SetColorSpace_Fill,
+ PDFOP_SetColorSpace_Stroke, PDFOP_SetDash,
+ PDFOP_SetCharWidth, PDFOP_SetCachedDevice,
+ PDFOP_ExecuteXObject, PDFOP_MarkPlace_Dictionary,
+ PDFOP_EndImage, PDFOP_EndMarkedContent,
+ PDFOP_EndText, PDFOP_EndSectionUndefined,
+ PDFOP_FillPath, PDFOP_FillPathOld,
+ PDFOP_EOFillPath, PDFOP_SetGray_Fill,
+ PDFOP_SetGray_Stroke, PDFOP_SetExtendGraphState,
+ PDFOP_ClosePath, PDFOP_SetFlat,
+ PDFOP_BeginImageData, PDFOP_SetLineJoin,
+ PDFOP_SetLineCap, PDFOP_SetCMYKColor_Fill,
+ PDFOP_SetCMYKColor_Stroke, PDFOP_LineTo,
+ PDFOP_MoveTo, PDFOP_SetMiterLimit,
+ PDFOP_MarkPlace, PDFOP_EndPath,
+ PDFOP_SaveGraphState, PDFOP_RestoreGraphState,
+ PDFOP_Rectangle, PDFOP_SetRGBColor_Fill,
+ PDFOP_SetRGBColor_Stroke, PDFOP_SetRenderIntent,
+ PDFOP_CloseStrokePath, PDFOP_StrokePath,
+ PDFOP_SetColor_Fill, PDFOP_SetColor_Stroke,
+ PDFOP_SetColorPS_Fill, PDFOP_SetColorPS_Stroke,
+ PDFOP_ShadeFill, PDFOP_SetCharSpace,
+ PDFOP_MoveTextPoint, PDFOP_MoveTextPoint_SetLeading,
+ PDFOP_SetFont, PDFOP_ShowText,
+ PDFOP_ShowText_Positioning, PDFOP_SetTextLeading,
+ PDFOP_SetTextMatrix, PDFOP_SetTextRenderMode,
+ PDFOP_SetTextRise, PDFOP_SetWordSpace,
+ PDFOP_SetHorzScale, PDFOP_MoveToNextLine,
+ PDFOP_CurveTo_23, PDFOP_SetLineWidth,
+ PDFOP_Clip, PDFOP_EOClip,
+ PDFOP_CurveTo_13, PDFOP_NextLineShowText,
+ PDFOP_NextLineShowText_Space, PDFOP_Invalid
+} PDFOP;
+#define PARAM_BUF_SIZE 16
+typedef struct {
+ int m_Type;
+ union {
+ struct {
+ FX_BOOL m_bInteger;
+ union {
+ int m_Integer;
+ FX_FLOAT m_Float;
+ };
+ } m_Number;
+ CPDF_Object* m_pObject;
+ struct {
+ int m_Len;
+ char m_Buffer[32];
+ } m_Name;
+ };
+} _ContentParam;
+#if defined(_FPDFAPI_MINI_)
+#define _FPDF_MAX_FORM_LEVEL_ 17
+#else
+#define _FPDF_MAX_FORM_LEVEL_ 30
+#endif
+#define _FPDF_MAX_TYPE3_FORM_LEVEL_ 4
+#define _FPDF_MAX_OBJECT_STACK_SIZE_ 512
+class CPDF_StreamContentParser : public CFX_Object
+{
+public:
+ CPDF_StreamContentParser();
+ ~CPDF_StreamContentParser();
+ FX_BOOL Initialize();
+ void PrepareParse(CPDF_Document* pDoc, CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources,
+ CFX_AffineMatrix* pmtContentToUser,
+ CPDF_PageObjects* pObjList, CPDF_Dictionary* pResources,
+ CFX_FloatRect* pBBox, CPDF_ParseOptions* pOptions,
+ CPDF_AllStates* pAllStates, int level);
+ CPDF_Document* m_pDocument;
+ CPDF_Dictionary* m_pPageResources;
+ CPDF_Dictionary* m_pParentResources;
+ CPDF_PageObjects* m_pObjectList;
+ CPDF_Dictionary* m_pResources;
+ int m_Level;
+ CFX_AffineMatrix m_mtContentToUser;
+ CFX_FloatRect m_BBox;
+ CPDF_ParseOptions m_Options;
+ _ContentParam m_ParamBuf1[PARAM_BUF_SIZE];
+ FX_DWORD m_ParamStartPos;
+ FX_DWORD m_ParamCount;
+ void AddNumberParam(FX_LPCSTR str, int len);
+ void AddObjectParam(CPDF_Object* pObj);
+ void AddNameParam(FX_LPCSTR name, int size);
+ int GetNextParamPos();
+ void ClearAllParams();
+ CPDF_Object* GetObject(FX_DWORD index);
+ CFX_ByteString GetString(FX_DWORD index);
+ FX_FLOAT GetNumber(FX_DWORD index);
+ FX_FLOAT GetNumber16(FX_DWORD index);
+ int GetInteger(FX_DWORD index)
+ {
+ return (FX_INT32)(GetNumber(index));
+ }
+ FX_BOOL OnOperator(FX_LPCSTR op);
+ void BigCaseCaller(int index);
+ FX_BOOL m_bAbort;
+#ifndef _FPDFAPI_MINI_
+ CPDF_StreamParser* m_pSyntax;
+ FX_DWORD GetParsePos()
+ {
+ return m_pSyntax->GetPos();
+ }
+#else
+ int m_WordState;
+ void InputData(FX_LPCBYTE src_buf, FX_DWORD src_size);
+ void Finish();
+ void StartArray();
+ void EndArray();
+ void StartDict();
+ void EndDict();
+ void EndName();
+ void EndNumber();
+ void EndKeyword();
+ void EndHexString();
+ void EndString();
+ void EndImageDict();
+ void EndInlineImage();
+ FX_LPBYTE m_pWordBuf;
+ FX_DWORD m_WordSize;
+ CFX_BinaryBuf m_StringBuf;
+ int m_StringLevel, m_StringState, m_EscCode;
+ void AddContainer(CPDF_Object* pObject);
+ FX_BOOL SetToCurObj(CPDF_Object* pObject);
+ FX_LPBYTE m_pDictName;
+ FX_BOOL m_bDictName;
+ CPDF_Object** m_pObjectStack;
+ FX_BOOL* m_pObjectState;
+ FX_DWORD m_ObjectSize;
+ int m_InlineImageState;
+ FX_BYTE m_InlineWhiteChar;
+ CFX_BinaryBuf m_ImageSrcBuf;
+ FX_LPBYTE m_pStreamBuf;
+#endif
+ CPDF_AllStates* m_pCurStates;
+ CPDF_ContentMark m_CurContentMark;
+ CFX_PtrArray m_ClipTextList;
+ CPDF_TextObject* m_pLastTextObject;
+ FX_FLOAT m_DefFontSize;
+ void AddTextObject(CFX_ByteString* pText, FX_FLOAT fInitKerning, FX_FLOAT* pKerning, int count);
+
+ void ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y);
+ void ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y);
+ void OnChangeTextMatrix();
+#ifndef _FPDFAPI_MINI_
+ FX_DWORD Parse(FX_LPCBYTE pData, FX_DWORD dwSize, FX_DWORD max_cost);
+ void ParsePathObject();
+#endif
+ int m_CompatCount;
+ FX_PATHPOINT* m_pPathPoints;
+ int m_PathPointCount;
+ int m_PathAllocSize;
+ FX_FLOAT m_PathStartX, m_PathStartY;
+ FX_FLOAT m_PathCurrentX, m_PathCurrentY;
+ int m_PathClipType;
+ void AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag);
+ void AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h);
+ void AddPathObject(int FillType, FX_BOOL bStroke);
+ CPDF_ImageObject* AddImage(CPDF_Stream* pStream, CPDF_Image* pImage, FX_BOOL bInline);
+ void AddDuplicateImage();
+ void AddForm(CPDF_Stream*);
+ CFX_ByteString m_LastImageName;
+ CPDF_Image* m_pLastImage;
+ CFX_BinaryBuf m_LastImageDict, m_LastImageData;
+ CPDF_Dictionary* m_pLastImageDict;
+ CPDF_Dictionary* m_pLastCloneImageDict;
+ FX_BOOL m_bReleaseLastDict;
+ FX_BOOL m_bSameLastDict;
+ void SetGraphicStates(CPDF_PageObject* pObj, FX_BOOL bColor, FX_BOOL bText, FX_BOOL bGraph);
+ FX_BOOL m_bColored;
+ FX_FLOAT m_Type3Data[6];
+ FX_BOOL m_bResourceMissing;
+ CFX_PtrArray m_StateStack;
+ void SaveStates(CPDF_AllStates*);
+ void RestoreStates(CPDF_AllStates*);
+ CPDF_Font* FindFont(const CFX_ByteString& name);
+ CPDF_ColorSpace* FindColorSpace(const CFX_ByteString& name);
+ CPDF_Pattern* FindPattern(const CFX_ByteString& name, FX_BOOL bShading);
+ CPDF_Object* FindResourceObj(FX_BSTR type, const CFX_ByteString& name);
+ void Handle_CloseFillStrokePath();
+ void Handle_FillStrokePath();
+ void Handle_CloseEOFillStrokePath();
+ void Handle_EOFillStrokePath();
+ void Handle_BeginMarkedContent_Dictionary();
+ void Handle_BeginImage();
+ void Handle_BeginMarkedContent();
+ void Handle_BeginText();
+ void Handle_BeginSectionUndefined();
+ void Handle_CurveTo_123();
+ void Handle_ConcatMatrix();
+ void Handle_SetColorSpace_Fill();
+ void Handle_SetColorSpace_Stroke();
+ void Handle_SetDash();
+ void Handle_SetCharWidth();
+ void Handle_SetCachedDevice();
+ void Handle_ExecuteXObject();
+ void Handle_MarkPlace_Dictionary();
+ void Handle_EndImage();
+ void Handle_EndMarkedContent();
+ void Handle_EndText();
+ void Handle_EndSectionUndefined();
+ void Handle_FillPath();
+ void Handle_FillPathOld();
+ void Handle_EOFillPath();
+ void Handle_SetGray_Fill();
+ void Handle_SetGray_Stroke();
+ void Handle_SetExtendGraphState();
+ void Handle_ClosePath();
+ void Handle_SetFlat();
+ void Handle_BeginImageData();
+ void Handle_SetLineJoin();
+ void Handle_SetLineCap();
+ void Handle_SetCMYKColor_Fill();
+ void Handle_SetCMYKColor_Stroke();
+ void Handle_LineTo();
+ void Handle_MoveTo();
+ void Handle_SetMiterLimit();
+ void Handle_MarkPlace();
+ void Handle_EndPath();
+ void Handle_SaveGraphState();
+ void Handle_RestoreGraphState();
+ void Handle_Rectangle();
+ void Handle_SetRGBColor_Fill();
+ void Handle_SetRGBColor_Stroke();
+ void Handle_SetRenderIntent();
+ void Handle_CloseStrokePath();
+ void Handle_StrokePath();
+ void Handle_SetColor_Fill();
+ void Handle_SetColor_Stroke();
+ void Handle_SetColorPS_Fill();
+ void Handle_SetColorPS_Stroke();
+ void Handle_ShadeFill();
+ void Handle_SetCharSpace();
+ void Handle_MoveTextPoint();
+ void Handle_MoveTextPoint_SetLeading();
+ void Handle_SetFont();
+ void Handle_ShowText();
+ void Handle_ShowText_Positioning();
+ void Handle_SetTextLeading();
+ void Handle_SetTextMatrix();
+ void Handle_SetTextRenderMode();
+ void Handle_SetTextRise();
+ void Handle_SetWordSpace();
+ void Handle_SetHorzScale();
+ void Handle_MoveToNextLine();
+ void Handle_CurveTo_23();
+ void Handle_SetLineWidth();
+ void Handle_Clip();
+ void Handle_EOClip();
+ void Handle_CurveTo_13();
+ void Handle_NextLineShowText();
+ void Handle_NextLineShowText_Space();
+ void Handle_Invalid();
+};
+class CPDF_ContentParser : public CFX_Object
+{
+public:
+ CPDF_ContentParser();
+ ~CPDF_ContentParser();
+ typedef enum { Ready, ToBeContinued, Done } ParseStatus;
+ ParseStatus GetStatus()
+ {
+ return m_Status;
+ }
+ void Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions);
+ void Start(CPDF_Form* pForm, CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix,
+ CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level);
+ void Continue(IFX_Pause* pPause);
+ int EstimateProgress();
+protected:
+ void Clear();
+ ParseStatus m_Status;
+ CPDF_PageObjects* m_pObjects;
+ FX_BOOL m_bForm;
+ CPDF_ParseOptions m_Options;
+ CPDF_Type3Char* m_pType3Char;
+ int m_InternalStage;
+ CPDF_StreamAcc* m_pSingleStream;
+ CPDF_StreamAcc** m_pStreamArray;
+ FX_DWORD m_nStreams;
+ FX_LPBYTE m_pData;
+ FX_DWORD m_Size;
+ class CPDF_StreamContentParser* m_pParser;
+ FX_DWORD m_CurrentOffset;
+ CPDF_StreamFilter* m_pStreamFilter;
+};
+class CPDF_AllStates : public CPDF_GraphicStates
+{
+public:
+ CPDF_AllStates();
+ ~CPDF_AllStates();
+ void Copy(const CPDF_AllStates& src);
+ void ProcessExtGS(CPDF_Dictionary* pGS, CPDF_StreamContentParser* pParser);
+ void SetLineDash(CPDF_Array*, FX_FLOAT, FX_FLOAT scale);
+ CFX_AffineMatrix m_TextMatrix, m_CTM, m_ParentMatrix;
+ FX_FLOAT m_TextX, m_TextY, m_TextLineX, m_TextLineY;
+ FX_FLOAT m_TextLeading, m_TextRise, m_TextHorzScale;
+};
+template <class ObjClass> class CPDF_CountedObject : public CFX_Object
+{
+public:
+ ObjClass m_Obj;
+ FX_DWORD m_nCount;
+};
+typedef CFX_MapPtrTemplate<CPDF_Dictionary*, CPDF_CountedObject<CPDF_Font*>*> CPDF_FontMap;
+typedef CFX_MapPtrTemplate<CPDF_Object*, CPDF_CountedObject<CPDF_ColorSpace*>*> CPDF_ColorSpaceMap;
+typedef CFX_MapPtrTemplate<CPDF_Object*, CPDF_CountedObject<CPDF_Pattern*>*> CPDF_PatternMap;
+typedef CFX_MapPtrTemplate<FX_DWORD, CPDF_CountedObject<CPDF_Image*>*> CPDF_ImageMap;
+typedef CFX_MapPtrTemplate<CPDF_Stream*, CPDF_CountedObject<CPDF_IccProfile*>*> CPDF_IccProfileMap;
+typedef CFX_MapPtrTemplate<CPDF_Stream*, CPDF_CountedObject<CPDF_StreamAcc*>*> CPDF_FontFileMap;
+template <class KeyType, class ValueType>
+KeyType PDF_DocPageData_FindValue(const CFX_MapPtrTemplate<KeyType, CPDF_CountedObject<ValueType>*> &map, ValueType findValue, CPDF_CountedObject<ValueType>*& findData)
+{
+ FX_POSITION pos = map.GetStartPosition();
+ while (pos) {
+ KeyType findKey;
+ map.GetNextAssoc(pos, findKey, findData);
+ if (findData->m_Obj == findValue) {
+ return findKey;
+ }
+ }
+ findData = NULL;
+ return (KeyType)(FX_UINTPTR)NULL;
+}
+template <class KeyType, class ValueType>
+FX_BOOL PDF_DocPageData_Release(CFX_MapPtrTemplate<KeyType, CPDF_CountedObject<ValueType>*> &map, KeyType findKey, ValueType findValue, FX_BOOL bForce = FALSE)
+{
+ if (!findKey && !findValue) {
+ return FALSE;
+ }
+ CPDF_CountedObject<ValueType>* findData = NULL;
+ if (!findKey) {
+ findKey = PDF_DocPageData_FindValue<KeyType, ValueType>(map, findValue, findData);
+ } else if (!map.Lookup(findKey, findData)) {
+ return FALSE;
+ }
+ if (findData && ((-- findData->m_nCount) == 0 || bForce)) {
+ delete findData->m_Obj;
+ delete findData;
+ map.RemoveKey(findKey);
+ return TRUE;
+ }
+ return FALSE;
+}
+class CPDF_DocPageData : public CFX_Object
+{
+public:
+ CPDF_DocPageData(CPDF_Document *pPDFDoc);
+ ~CPDF_DocPageData();
+ void Clear(FX_BOOL bRelease = FALSE);
+ CPDF_Font* GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly);
+ CPDF_Font* GetStandardFont(FX_BSTR fontName, CPDF_FontEncoding* pEncoding);
+ void ReleaseFont(CPDF_Dictionary* pFontDict);
+ CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources);
+ CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj);
+ void ReleaseColorSpace(CPDF_Object* pColorSpace);
+ CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix);
+ void ReleasePattern(CPDF_Object* pPatternObj);
+ CPDF_Image* GetImage(CPDF_Object* pImageStream);
+ void ReleaseImage(CPDF_Object* pImageStream);
+ CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents);
+ void ReleaseIccProfile(CPDF_Stream* pIccProfileStream, CPDF_IccProfile* pIccProfile);
+ CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
+ void ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce = FALSE);
+ CPDF_Document* m_pPDFDoc;
+ CPDF_FontMap m_FontMap;
+ CPDF_ColorSpaceMap m_ColorSpaceMap;
+ CPDF_PatternMap m_PatternMap;
+ CPDF_ImageMap m_ImageMap;
+ CPDF_IccProfileMap m_IccProfileMap;
+ CFX_MapByteStringToPtr m_HashProfileMap;
+ CPDF_FontFileMap m_FontFileMap;
+};
+class CPDF_Function : public CFX_Object
+{
+public:
+ static CPDF_Function* Load(CPDF_Object* pFuncObj);
+ virtual ~CPDF_Function();
+ FX_BOOL Call(FX_FLOAT* inputs, int ninputs, FX_FLOAT* results, int& nresults) const;
+ int CountInputs()
+ {
+ return m_nInputs;
+ }
+ int CountOutputs()
+ {
+ return m_nOutputs;
+ }
+protected:
+ CPDF_Function();
+ int m_nInputs, m_nOutputs;
+ FX_FLOAT* m_pDomains;
+ FX_FLOAT* m_pRanges;
+ FX_BOOL Init(CPDF_Object* pObj);
+ virtual FX_BOOL v_Init(CPDF_Object* pObj) = 0;
+ virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const = 0;
+};
+class CPDF_IccProfile : public CFX_Object
+{
+public:
+ CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize, int nComponents);
+ ~CPDF_IccProfile();
+ FX_BOOL m_bsRGB;
+ FX_LPVOID m_pTransform;
+};
+class CPDF_DeviceCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_DeviceCS(int family);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ FX_BOOL SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const;
+ FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, FX_FLOAT& c, FX_FLOAT& m, FX_FLOAT& y, FX_FLOAT& k) const;
+ FX_BOOL v_SetCMYK(FX_FLOAT* pBuf, FX_FLOAT c, FX_FLOAT m, FX_FLOAT y, FX_FLOAT k) const;
+ virtual void TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask = FALSE) const;
+};
+class CPDF_PatternCS : public CPDF_ColorSpace
+{
+public:
+ CPDF_PatternCS();
+ ~CPDF_PatternCS();
+ virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray);
+ virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const;
+ virtual CPDF_ColorSpace* GetBaseCS() const
+ {
+ return m_pBaseCS;
+ }
+ CPDF_ColorSpace* m_pBaseCS;
+};
+#define MAX_PAGE_OBJECTS_UNIFY_NAMING 4096
+class CPDF_ResourceNaming : public CFX_Object
+{
+public:
+ struct _NamingState : public CFX_Object {
+ CFX_ByteString m_Prefix;
+ int m_nIndex;
+ };
+ ~CPDF_ResourceNaming();
+ CFX_ByteString GetName(const CPDF_Dictionary* pResList, FX_LPCSTR szType);
+protected:
+ CFX_MapByteStringToPtr m_NamingCache;
+};
|