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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/src/fpdfapi/fpdf_page
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/src/fpdfapi/fpdf_page')
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page.cpp764
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp1550
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp610
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp966
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_func_embeddertest.cpp20
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp697
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp100
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp1819
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp888
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser_old_unittest.cpp47
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp55
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp320
-rw-r--r--core/src/fpdfapi/fpdf_page/pageint.h459
13 files changed, 0 insertions, 8295 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page.cpp
deleted file mode 100644
index c7ebc67452..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page.cpp
+++ /dev/null
@@ -1,764 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <algorithm>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "third_party/base/stl_util.h"
-
-CPDF_PageObject::CPDF_PageObject() {}
-
-CPDF_PageObject::~CPDF_PageObject() {}
-
-void CPDF_PageObject::CopyData(const CPDF_PageObject* 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::TransformClipPath(CFX_Matrix& matrix) {
- if (m_ClipPath.IsNull()) {
- return;
- }
- m_ClipPath.GetModify();
- m_ClipPath.Transform(matrix);
-}
-
-void CPDF_PageObject::TransformGeneralState(CFX_Matrix& matrix) {
- if (m_GeneralState.IsNull()) {
- return;
- }
- CPDF_GeneralStateData* pGS = m_GeneralState.GetModify();
- pGS->m_Matrix.Concat(matrix);
-}
-
-FX_RECT CPDF_PageObject::GetBBox(const CFX_Matrix* 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_PosX(0),
- m_PosY(0),
- m_nChars(0),
- m_pCharCodes(nullptr),
- m_pCharPos(nullptr) {}
-
-CPDF_TextObject::~CPDF_TextObject() {
- if (m_nChars > 1) {
- FX_Free(m_pCharCodes);
- }
- FX_Free(m_pCharPos);
-}
-
-void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const {
- pInfo->m_CharCode =
- m_nChars == 1 ? (FX_DWORD)(uintptr_t)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->IsCIDFont()) {
- return;
- }
- if (!pFont->AsCIDFont()->IsVertWriting()) {
- return;
- }
- FX_WORD CID = pFont->AsCIDFont()->CIDFromCharCode(pInfo->m_CharCode);
- pInfo->m_OriginY = pInfo->m_OriginX;
- pInfo->m_OriginX = 0;
- short vx, vy;
- pFont->AsCIDFont()->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)(uintptr_t)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;
- }
-}
-
-CPDF_TextObject* CPDF_TextObject::Clone() const {
- CPDF_TextObject* obj = new CPDF_TextObject;
- obj->CopyData(this);
-
- obj->m_nChars = m_nChars;
- if (m_nChars > 1) {
- obj->m_pCharCodes = FX_Alloc(FX_DWORD, m_nChars);
- FXSYS_memcpy(obj->m_pCharCodes, m_pCharCodes, m_nChars * sizeof(FX_DWORD));
- obj->m_pCharPos = FX_Alloc(FX_FLOAT, m_nChars - 1);
- FXSYS_memcpy(obj->m_pCharPos, m_pCharPos,
- (m_nChars - 1) * sizeof(FX_FLOAT));
- } else {
- obj->m_pCharCodes = m_pCharCodes;
- }
- obj->m_PosX = m_PosX;
- obj->m_PosY = m_PosY;
- return obj;
-}
-
-void CPDF_TextObject::GetTextMatrix(CFX_Matrix* 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) {
- FX_Free(m_pCharCodes);
- m_pCharCodes = nullptr;
- }
- FX_Free(m_pCharPos);
- m_pCharPos = nullptr;
- 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) {
- const FX_CHAR* segment = pStrs[i];
- int offset = 0, len = pStrs[i].GetLength();
- while (offset < len) {
- m_pCharCodes[index++] = pFont->GetNextChar(segment, len, 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*)(uintptr_t)pFont->GetNextChar(
- pStrs[0], pStrs[0].GetLength(), offset);
- }
-}
-
-void CPDF_TextObject::SetText(const CFX_ByteString& str) {
- SetSegments(&str, nullptr, 1);
- 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->AsCIDFont();
- if (pCIDFont) {
- bVertWriting = pCIDFont->IsVertWriting();
- }
- if (!bVertWriting)
- return pFont->GetCharWidthF(charcode, 0) * fontsize;
-
- FX_WORD CID = pCIDFont->CIDFromCharCode(charcode);
- return pCIDFont->GetVertWidth(CID) * fontsize;
-}
-
-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;
- FX_FLOAT max_x = -10000 * 1.0f;
- FX_FLOAT min_y = 10000 * 1.0f;
- FX_FLOAT max_y = -10000 * 1.0f;
- CPDF_Font* pFont = m_TextState.GetFont();
- FX_BOOL bVertWriting = FALSE;
- CPDF_CIDFont* pCIDFont = pFont->AsCIDFont();
- 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)(uintptr_t)m_pCharCodes : m_pCharCodes[i];
- if (i > 0) {
- if (charcode == (FX_DWORD)-1) {
- curpos -= (m_pCharPos[i - 1] * fontsize) / 1000;
- continue;
- }
- m_pCharPos[i - 1] = curpos;
- }
- FX_RECT char_rect = pFont->GetCharBBox(charcode, 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;
- short 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 || 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 = curpos * horz_scale;
- }
- if (pTextAdvanceY) {
- *pTextAdvanceY = 0;
- }
- min_y = min_y * fontsize / 1000;
- max_y = max_y * fontsize / 1000;
- }
- CFX_Matrix 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::Transform(const CFX_Matrix& matrix) {
- m_TextState.GetModify();
- CFX_Matrix 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(nullptr, nullptr, 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;
-}
-
-CPDF_ShadingObject::CPDF_ShadingObject() : m_pShading(nullptr) {}
-
-CPDF_ShadingObject::~CPDF_ShadingObject() {}
-
-CPDF_ShadingObject* CPDF_ShadingObject::Clone() const {
- CPDF_ShadingObject* obj = new CPDF_ShadingObject;
- obj->CopyData(this);
-
- obj->m_pShading = m_pShading;
- if (obj->m_pShading && obj->m_pShading->m_pDocument) {
- CPDF_DocPageData* pDocPageData =
- obj->m_pShading->m_pDocument->GetPageData();
- obj->m_pShading = (CPDF_ShadingPattern*)pDocPageData->GetPattern(
- obj->m_pShading->m_pShadingObj, m_pShading->m_bShadingObj,
- &obj->m_pShading->m_ParentMatrix);
- }
- obj->m_Matrix = m_Matrix;
- return obj;
-}
-
-void CPDF_ShadingObject::Transform(const CFX_Matrix& 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() : m_pForm(nullptr) {}
-
-CPDF_FormObject::~CPDF_FormObject() {
- delete m_pForm;
-}
-
-void CPDF_FormObject::Transform(const CFX_Matrix& matrix) {
- m_FormMatrix.Concat(matrix);
- CalcBoundingBox();
-}
-
-CPDF_FormObject* CPDF_FormObject::Clone() const {
- CPDF_FormObject* obj = new CPDF_FormObject;
- obj->CopyData(this);
-
- obj->m_pForm = m_pForm->Clone();
- obj->m_FormMatrix = m_FormMatrix;
- return obj;
-}
-
-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_PageObject* CPDF_PageObjectList::GetPageObjectByIndex(int index) {
- if (index < 0 || index >= pdfium::CollectionSize<int>(*this))
- return nullptr;
- return (*this)[index].get();
-}
-
-CPDF_PageObjectHolder::CPDF_PageObjectHolder()
- : m_pFormDict(nullptr),
- m_pFormStream(nullptr),
- m_pDocument(nullptr),
- m_pPageResources(nullptr),
- m_pResources(nullptr),
- m_Transparency(0),
- m_bBackgroundAlphaNeeded(FALSE),
- m_bHasImageMask(FALSE),
- m_ParseState(CONTENT_NOT_PARSED) {}
-
-void CPDF_PageObjectHolder::ContinueParse(IFX_Pause* pPause) {
- if (!m_pParser) {
- return;
- }
- m_pParser->Continue(pPause);
- if (m_pParser->GetStatus() == CPDF_ContentParser::Done) {
- m_ParseState = CONTENT_PARSED;
- m_pParser.reset();
- }
-}
-
-void CPDF_PageObjectHolder::Transform(const CFX_Matrix& matrix) {
- for (auto& pObj : m_PageObjectList)
- pObj->Transform(matrix);
-}
-
-CFX_FloatRect CPDF_PageObjectHolder::CalcBoundingBox() const {
- if (m_PageObjectList.empty())
- return CFX_FloatRect(0, 0, 0, 0);
-
- FX_FLOAT left = 1000000.0f;
- FX_FLOAT right = -1000000.0f;
- FX_FLOAT bottom = 1000000.0f;
- FX_FLOAT top = -1000000.0f;
- for (const auto& pObj : m_PageObjectList) {
- left = std::min(left, pObj->m_Left);
- right = std::max(right, pObj->m_Right);
- bottom = std::min(bottom, pObj->m_Bottom);
- top = std::max(top, pObj->m_Top);
- }
- return CFX_FloatRect(left, bottom, right, top);
-}
-
-void CPDF_PageObjectHolder::LoadTransInfo() {
- if (!m_pFormDict) {
- return;
- }
- CPDF_Dictionary* pGroup = m_pFormDict->GetDictBy("Group");
- if (!pGroup) {
- return;
- }
- if (pGroup->GetStringBy("S") != "Transparency") {
- return;
- }
- m_Transparency |= PDFTRANS_GROUP;
- if (pGroup->GetIntegerBy("I")) {
- m_Transparency |= PDFTRANS_ISOLATED;
- }
- if (pGroup->GetIntegerBy("K")) {
- m_Transparency |= PDFTRANS_KNOCKOUT;
- }
-}
-
-CPDF_Page::CPDF_Page() : m_pPageRender(nullptr) {}
-
-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) {
- m_PageWidth = m_PageHeight = 100 * 1.0f;
- m_pPageResources = m_pResources = NULL;
- return;
- }
- CPDF_Object* pageAttr = GetPageAttr("Resources");
- m_pResources = pageAttr ? pageAttr->GetDict() : NULL;
- m_pPageResources = m_pResources;
- CPDF_Object* pRotate = GetPageAttr("Rotate");
- int rotate = 0;
- if (pRotate) {
- rotate = pRotate->GetInteger() / 90 % 4;
- }
- if (rotate < 0) {
- rotate += 4;
- }
- CPDF_Array* pMediaBox = ToArray(GetPageAttr("MediaBox"));
- CFX_FloatRect mediabox;
- if (pMediaBox) {
- mediabox = pMediaBox->GetRect();
- mediabox.Normalize();
- }
- if (mediabox.IsEmpty()) {
- mediabox = CFX_FloatRect(0, 0, 612, 792);
- }
-
- CPDF_Array* pCropBox = ToArray(GetPageAttr("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) {
- if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING) {
- return;
- }
- m_pParser.reset(new CPDF_ContentParser);
- m_pParser->Start(this, pOptions);
- m_ParseState = CONTENT_PARSING;
-}
-
-void CPDF_Page::ParseContent(CPDF_ParseOptions* pOptions) {
- StartParse(pOptions);
- ContinueParse(nullptr);
-}
-
-CPDF_Page::~CPDF_Page() {
- if (m_pPageRender) {
- IPDF_RenderModule* pModule = CPDF_ModuleMgr::Get()->GetRenderModule();
- pModule->DestroyPageCache(m_pPageRender);
- }
-}
-
-CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict,
- const CFX_ByteStringC& name) {
- int level = 0;
- while (1) {
- CPDF_Object* pObj = pPageDict->GetElementValue(name);
- if (pObj) {
- return pObj;
- }
- CPDF_Dictionary* pParent = pPageDict->GetDictBy("Parent");
- if (!pParent || pParent == pPageDict) {
- return NULL;
- }
- pPageDict = pParent;
- level++;
- if (level == 1000) {
- return NULL;
- }
- }
-}
-
-CPDF_Object* CPDF_Page::GetPageAttr(const CFX_ByteStringC& 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 ? pFormStream->GetDict() : NULL;
- m_pResources = m_pFormDict->GetDictBy("Resources");
- m_pPageResources = pPageResources;
- if (!m_pResources) {
- m_pResources = pParentResources;
- }
- if (!m_pResources) {
- m_pResources = pPageResources;
- }
- m_Transparency = 0;
- LoadTransInfo();
-}
-
-CPDF_Form::~CPDF_Form() {}
-
-void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates,
- CFX_Matrix* pParentMatrix,
- CPDF_Type3Char* pType3Char,
- CPDF_ParseOptions* pOptions,
- int level) {
- if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING) {
- return;
- }
- m_pParser.reset(new CPDF_ContentParser);
- m_pParser->Start(this, pGraphicStates, pParentMatrix, pType3Char, pOptions,
- level);
- m_ParseState = CONTENT_PARSING;
-}
-
-void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates,
- CFX_Matrix* 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* pCloneForm =
- new CPDF_Form(m_pDocument, m_pPageResources, m_pFormStream, m_pResources);
- for (const auto& pObj : m_PageObjectList)
- pCloneForm->m_PageObjectList.emplace_back(pObj->Clone());
-
- return pCloneForm;
-}
-
-void CPDF_Page::GetDisplayMatrix(CFX_Matrix& matrix,
- int xPos,
- int yPos,
- int xSize,
- int ySize,
- int iRotate) const {
- if (m_PageWidth == 0 || m_PageHeight == 0) {
- return;
- }
- CFX_Matrix 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(
- ((FX_FLOAT)(x2 - x0)) / m_PageWidth, ((FX_FLOAT)(y2 - y0)) / m_PageWidth,
- ((FX_FLOAT)(x1 - x0)) / m_PageHeight,
- ((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
deleted file mode 100644
index 9a4c41017d..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
+++ /dev/null
@@ -1,1550 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <limits.h>
-
-#include <algorithm>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/cpdf_string.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fxcodec/fx_codec.h"
-
-namespace {
-
-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;
- }
-}
-
-FX_DWORD ComponentsForFamily(int family) {
- if (family == PDFCS_DEVICERGB)
- return 3;
- if (family == PDFCS_DEVICEGRAY)
- return 1;
- return 4;
-}
-
-void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) {
- if (pDestBuf == pSrcBuf) {
- for (int i = 0; i < pixels; i++) {
- uint8_t 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;
- }
- }
-}
-
-} // namespace
-
-CPDF_DeviceCS::CPDF_DeviceCS(CPDF_Document* pDoc, int family)
- : CPDF_ColorSpace(pDoc, family, ComponentsForFamily(family)) {}
-
-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 - std::min(1.0f, pBuf[0] + k);
- G = 1.0f - std::min(1.0f, pBuf[1] + k);
- B = 1.0f - std::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;
- }
- if (m_Family == PDFCS_DEVICEGRAY) {
- if (R == G && R == B) {
- *pBuf = R;
- return TRUE;
- }
- return FALSE;
- }
- 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;
- }
- if (m_Family == PDFCS_DEVICECMYK) {
- pBuf[0] = c;
- pBuf[1] = m;
- pBuf[2] = y;
- pBuf[3] = k;
- return TRUE;
- }
- return FALSE;
-}
-
-void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* 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 {
- uint8_t k = pSrcBuf[3];
- pDestBuf[2] = 255 - std::min(255, pSrcBuf[0] + k);
- pDestBuf[1] = 255 - std::min(255, pSrcBuf[1] + k);
- pDestBuf[0] = 255 - std::min(255, pSrcBuf[2] + k);
- }
- pSrcBuf += 4;
- pDestBuf += 3;
- }
- }
-}
-const uint8_t 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 uint8_t 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 FX_FLOAT RGB_Conversion(FX_FLOAT colorComponent) {
- if (colorComponent > 1) {
- colorComponent = 1;
- }
- if (colorComponent < 0) {
- colorComponent = 0;
- }
- int scale = (int)(colorComponent * 1023);
- if (scale < 0) {
- scale = 0;
- }
- if (scale < 192) {
- colorComponent = (g_sRGBSamples1[scale] / 255.0f);
- } else {
- colorComponent = (g_sRGBSamples2[scale / 4 - 48] / 255.0f);
- }
- return colorComponent;
-}
-
-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;
-
- R = RGB_Conversion(R1);
- G = RGB_Conversion(G1);
- B = RGB_Conversion(B1);
-}
-
-static void XYZ_to_sRGB_WhitePoint(FX_FLOAT X,
- FX_FLOAT Y,
- FX_FLOAT Z,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B,
- FX_FLOAT Xw,
- FX_FLOAT Yw,
- FX_FLOAT Zw) {
- // The following RGB_xyz is based on
- // sRGB value {Rx,Ry}={0.64, 0.33}, {Gx,Gy}={0.30, 0.60}, {Bx,By}={0.15, 0.06}
-
- FX_FLOAT Rx = 0.64f, Ry = 0.33f;
- FX_FLOAT Gx = 0.30f, Gy = 0.60f;
- FX_FLOAT Bx = 0.15f, By = 0.06f;
- CFX_Matrix_3by3 RGB_xyz(Rx, Gx, Bx, Ry, Gy, By, 1 - Rx - Ry, 1 - Gx - Gy,
- 1 - Bx - By);
- CFX_Vector_3by1 whitePoint(Xw, Yw, Zw);
- CFX_Vector_3by1 XYZ(X, Y, Z);
-
- CFX_Vector_3by1 RGB_Sum_XYZ = RGB_xyz.Inverse().TransformVector(whitePoint);
- CFX_Matrix_3by3 RGB_SUM_XYZ_DIAG(RGB_Sum_XYZ.a, 0, 0, 0, RGB_Sum_XYZ.b, 0, 0,
- 0, RGB_Sum_XYZ.c);
- CFX_Matrix_3by3 M = RGB_xyz.Multiply(RGB_SUM_XYZ_DIAG);
- CFX_Vector_3by1 RGB = M.Inverse().TransformVector(XYZ);
-
- R = RGB_Conversion(RGB.a);
- G = RGB_Conversion(RGB.b);
- B = RGB_Conversion(RGB.c);
-}
-class CPDF_CalGray : public CPDF_ColorSpace {
- public:
- explicit CPDF_CalGray(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_CALGRAY, 1) {}
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- private:
- FX_FLOAT m_WhitePoint[3];
- FX_FLOAT m_BlackPoint[3];
- FX_FLOAT m_Gamma;
-};
-
-FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Dictionary* pDict = pArray->GetDictAt(1);
- if (!pDict)
- return FALSE;
-
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- m_Gamma = pDict->GetNumberBy("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;
- }
- return FALSE;
-}
-void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* 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:
- explicit CPDF_CalRGB(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_CALRGB, 3) {}
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- FX_FLOAT m_WhitePoint[3];
- FX_FLOAT m_BlackPoint[3];
- FX_FLOAT m_Gamma[3];
- FX_FLOAT m_Matrix[9];
- FX_BOOL m_bGamma;
- FX_BOOL m_bMatrix;
-};
-FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Dictionary* pDict = pArray->GetDictAt(1);
- if (!pDict)
- return FALSE;
-
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("Gamma");
- if (pParam) {
- m_bGamma = TRUE;
- for (i = 0; i < 3; i++) {
- m_Gamma[i] = pParam->GetNumberAt(i);
- }
- } else {
- m_bGamma = FALSE;
- }
- pParam = pDict->GetArrayBy("Matrix");
- if (pParam) {
- m_bMatrix = TRUE;
- for (i = 0; i < 9; i++) {
- m_Matrix[i] = pParam->GetNumberAt(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_WhitePoint(X, Y, Z, R, G, B, m_WhitePoint[0], m_WhitePoint[1],
- m_WhitePoint[2]);
- 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(uint8_t* pDestBuf,
- const uint8_t* 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:
- explicit CPDF_LabCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_LAB, 3) {}
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- 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->GetDictAt(1);
- if (!pDict) {
- return FALSE;
- }
- CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint");
- int i;
- for (i = 0; i < 3; i++) {
- m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("BlackPoint");
- for (i = 0; i < 3; i++) {
- m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0;
- }
- pParam = pDict->GetArrayBy("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->GetNumberAt(i) : def_ranges[i];
- }
- return TRUE;
-}
-void CPDF_LabCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- assert(iComponent < 3);
- 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(uint8_t* pDestBuf,
- const uint8_t* 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] = (int32_t)(B * 255);
- pDestBuf[1] = (int32_t)(G * 255);
- pDestBuf[2] = (int32_t)(R * 255);
- pDestBuf += 3;
- pSrcBuf += 3;
- }
-}
-CPDF_IccProfile::CPDF_IccProfile(const uint8_t* pData, FX_DWORD dwSize)
- : m_bsRGB(FALSE), m_pTransform(NULL), m_nSrcComponents(0) {
- if (dwSize == 3144 &&
- FXSYS_memcmp(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0) {
- m_bsRGB = TRUE;
- m_nSrcComponents = 3;
- } else if (CPDF_ModuleMgr::Get()->GetIccModule()) {
- m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB(
- pData, dwSize, m_nSrcComponents);
- }
-}
-CPDF_IccProfile::~CPDF_IccProfile() {
- if (m_pTransform) {
- CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform);
- }
-}
-class CPDF_ICCBasedCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_ICCBasedCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_ICCBASED, 0),
- m_pAlterCS(nullptr),
- m_pProfile(nullptr),
- m_pCache(nullptr),
- m_pRanges(nullptr),
- m_bOwn(FALSE) {}
- ~CPDF_ICCBasedCS() override;
-
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT& c,
- FX_FLOAT& m,
- FX_FLOAT& y,
- FX_FLOAT& k) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-
- CPDF_ColorSpace* m_pAlterCS;
- CPDF_IccProfile* m_pProfile;
- uint8_t* m_pCache;
- FX_FLOAT* m_pRanges;
- FX_BOOL m_bOwn;
-};
-
-CPDF_ICCBasedCS::~CPDF_ICCBasedCS() {
- FX_Free(m_pCache);
- FX_Free(m_pRanges);
- if (m_pAlterCS && m_bOwn) {
- m_pAlterCS->ReleaseCS();
- }
- if (m_pProfile && m_pDocument) {
- m_pDocument->GetPageData()->ReleaseIccProfile(m_pProfile);
- }
-}
-
-FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Stream* pStream = pArray->GetStreamAt(1);
- if (!pStream) {
- return FALSE;
- }
- m_pProfile = pDoc->LoadIccProfile(pStream);
- if (!m_pProfile) {
- return FALSE;
- }
- m_nComponents =
- m_pProfile
- ->GetComponents(); // Try using the nComponents from ICC profile
- CPDF_Dictionary* pDict = pStream->GetDict();
- if (!m_pProfile->m_pTransform) { // No valid ICC profile or using sRGB
- CPDF_Object* pAlterCSObj =
- pDict ? pDict->GetElementValue("Alternate") : NULL;
- if (pAlterCSObj) {
- CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
- if (pAlterCS) {
- if (m_nComponents == 0) { // NO valid ICC profile
- if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace
- m_nComponents = pAlterCS->CountComponents();
- m_pAlterCS = pAlterCS;
- m_bOwn = TRUE;
- } else { // No valid alternative colorspace
- pAlterCS->ReleaseCS();
- int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0;
- if (nDictComponents != 1 && nDictComponents != 3 &&
- nDictComponents != 4) {
- return FALSE;
- }
- m_nComponents = nDictComponents;
- }
-
- } else { // Using sRGB
- if (pAlterCS->CountComponents() != m_nComponents) {
- pAlterCS->ReleaseCS();
- } else {
- m_pAlterCS = pAlterCS;
- m_bOwn = TRUE;
- }
- }
- }
- }
- if (!m_pAlterCS) {
- if (m_nComponents == 1) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
- } else if (m_nComponents == 3) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
- } else if (m_nComponents == 4) {
- m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
- }
- }
- }
- CPDF_Array* pRanges = pDict->GetArrayBy("Range");
- m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2);
- for (int i = 0; i < m_nComponents * 2; i++) {
- if (pRanges) {
- m_pRanges[i] = pRanges->GetNumberAt(i);
- } else if (i % 2) {
- m_pRanges[i] = 1.0f;
- } else {
- m_pRanges[i] = 0;
- }
- }
- 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 || !pIccModule) {
- if (m_pAlterCS) {
- return m_pAlterCS->GetRGB(pBuf, R, G, B);
- }
- R = G = B = 0.0f;
- return TRUE;
- }
- FX_FLOAT rgb[3];
- pIccModule->SetComponents(m_nComponents);
- 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(uint8_t* pDestBuf,
- const uint8_t* 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) {
- ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3);
- uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents);
- uint8_t* 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++ = (uint8_t)(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:
- explicit CPDF_IndexedCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_INDEXED, 1),
- m_pBaseCS(nullptr),
- m_pCountedBaseCS(nullptr),
- m_pCompMinMax(nullptr) {}
- ~CPDF_IndexedCS() override;
-
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- CPDF_ColorSpace* GetBaseCS() const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pBaseCS;
- CPDF_CountedColorSpace* m_pCountedBaseCS;
- int m_nBaseComponents;
- int m_MaxIndex;
- CFX_ByteString m_Table;
- FX_FLOAT* m_pCompMinMax;
-};
-CPDF_IndexedCS::~CPDF_IndexedCS() {
- FX_Free(m_pCompMinMax);
- CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
- 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) {
- return FALSE;
- }
- m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
- m_nBaseComponents = m_pBaseCS->CountComponents();
- m_pCompMinMax = FX_Alloc2D(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->GetIntegerAt(2);
-
- CPDF_Object* pTableObj = pArray->GetElementValue(3);
- if (!pTableObj)
- return FALSE;
-
- if (CPDF_String* pString = pTableObj->AsString()) {
- m_Table = pString->GetString();
- } else if (CPDF_Stream* pStream = pTableObj->AsStream()) {
- CPDF_StreamAcc acc;
- acc.LoadAllData(pStream, 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 = (int32_t)(*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;
- const uint8_t* 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;
- }
- return m_pBaseCS->GetRGB(comps, R, G, B);
-}
-CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const {
- return m_pBaseCS;
-}
-void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled) {
- CPDF_ColorSpace::EnableStdConversion(bEnabled);
- if (m_pBaseCS) {
- m_pBaseCS->EnableStdConversion(bEnabled);
- }
-}
-
-#define MAX_PATTERN_COLORCOMPS 16
-struct PatternValue {
- CPDF_Pattern* m_pPattern;
- CPDF_CountedPattern* m_pCountedPattern;
- int m_nComps;
- FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
-};
-
-CPDF_PatternCS::~CPDF_PatternCS() {
- CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL;
- 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) {
- if (m_pBaseCS->GetFamily() == PDFCS_PATTERN) {
- return FALSE;
- }
- m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
- 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) {
- ASSERT(m_pBaseCS->GetFamily() != PDFCS_PATTERN);
- PatternValue* pvalue = (PatternValue*)pBuf;
- if (m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B)) {
- return TRUE;
- }
- }
- R = G = B = 0.75f;
- return FALSE;
-}
-CPDF_ColorSpace* CPDF_PatternCS::GetBaseCS() const {
- return m_pBaseCS;
-}
-class CPDF_SeparationCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_SeparationCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_SEPARATION, 1),
- m_pAltCS(nullptr),
- m_pFunc(nullptr) {}
- ~CPDF_SeparationCS() override;
-
- // CPDF_ColorSpace:
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pAltCS;
- CPDF_Function* m_pFunc;
- enum { None, All, Colorant } m_Type;
-};
-CPDF_SeparationCS::~CPDF_SeparationCS() {
- if (m_pAltCS) {
- m_pAltCS->ReleaseCS();
- }
- delete m_pFunc;
-}
-void CPDF_SeparationCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- value = 1.0f;
- min = 0;
- max = 1.0f;
-}
-FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CFX_ByteString name = pArray->GetStringAt(1);
- if (name == "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);
- if (!m_pAltCS) {
- return FALSE;
- }
- CPDF_Object* pFuncObj = pArray->GetElementValue(3);
- if (pFuncObj && !pFuncObj->IsName())
- m_pFunc = CPDF_Function::Load(pFuncObj);
-
- if (m_pFunc && 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) {
- if (!m_pAltCS) {
- return FALSE;
- }
- int nComps = m_pAltCS->CountComponents();
- CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps);
- for (int i = 0; i < nComps; i++) {
- results[i] = *pBuf;
- }
- return m_pAltCS->GetRGB(results, R, G, B);
- }
- CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
- int nresults = 0;
- m_pFunc->Call(pBuf, 1, results, nresults);
- if (nresults == 0) {
- return FALSE;
- }
- if (m_pAltCS) {
- return m_pAltCS->GetRGB(results, R, G, B);
- }
- 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:
- explicit CPDF_DeviceNCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_DEVICEN, 0),
- m_pAltCS(nullptr),
- m_pFunc(nullptr) {}
- ~CPDF_DeviceNCS() override;
-
- // CPDF_ColorSpace:
- void GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- void EnableStdConversion(FX_BOOL bEnabled) override;
-
- CPDF_ColorSpace* m_pAltCS;
- CPDF_Function* m_pFunc;
-};
-CPDF_DeviceNCS::~CPDF_DeviceNCS() {
- delete m_pFunc;
- if (m_pAltCS) {
- m_pAltCS->ReleaseCS();
- }
-}
-void CPDF_DeviceNCS::GetDefaultValue(int iComponent,
- FX_FLOAT& value,
- FX_FLOAT& min,
- FX_FLOAT& max) const {
- value = 1.0f;
- min = 0;
- max = 1.0f;
-}
-FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
- CPDF_Array* pObj = ToArray(pArray->GetElementValue(1));
- if (!pObj)
- return FALSE;
-
- m_nComponents = 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 || !m_pFunc) {
- 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) {
- return FALSE;
- }
- CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs());
- int nresults = 0;
- m_pFunc->Call(pBuf, m_nComponents, results, nresults);
- if (nresults == 0) {
- return FALSE;
- }
- return m_pAltCS->GetRGB(results, R, G, B);
-}
-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 == "DeviceRGB" || name == "RGB") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- }
- if (name == "DeviceGray" || name == "G") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- }
- if (name == "DeviceCMYK" || name == "CMYK") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- }
- if (name == "Pattern") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
- }
- return NULL;
-}
-CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj) {
- if (!pObj)
- return nullptr;
- if (pObj->IsName())
- return _CSFromName(pObj->GetString());
-
- if (CPDF_Stream* pStream = pObj->AsStream()) {
- CPDF_Dictionary* pDict = pStream->GetDict();
- if (!pDict)
- return nullptr;
-
- for (const auto& it : *pDict) {
- CPDF_ColorSpace* pRet = nullptr;
- CPDF_Object* pValue = it.second;
- if (ToName(pValue))
- pRet = _CSFromName(pValue->GetString());
- if (pRet)
- return pRet;
- }
- return nullptr;
- }
-
- CPDF_Array* pArray = pObj->AsArray();
- if (!pArray || pArray->GetCount() == 0)
- return nullptr;
-
- CPDF_Object* pFamilyObj = pArray->GetElementValue(0);
- if (!pFamilyObj)
- return nullptr;
-
- CFX_ByteString familyname = pFamilyObj->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 = new CPDF_CalGray(pDoc);
- } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) {
- pCS = new CPDF_CalRGB(pDoc);
- } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) {
- pCS = new CPDF_LabCS(pDoc);
- } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) {
- pCS = new CPDF_ICCBasedCS(pDoc);
- } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') ||
- id == FXBSTR_ID('I', 0, 0, 0)) {
- pCS = new CPDF_IndexedCS(pDoc);
- } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) {
- pCS = new CPDF_SeparationCS(pDoc);
- } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) {
- pCS = new CPDF_DeviceNCS(pDoc);
- } else if (id == FXBSTR_ID('P', 'a', 't', 't')) {
- pCS = new CPDF_PatternCS(pDoc);
- } else {
- return NULL;
- }
- pCS->m_pArray = pArray;
- if (!pCS->v_Load(pDoc, pArray)) {
- pCS->ReleaseCS();
- return NULL;
- }
- return pCS;
-}
-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();
- uint8_t* pBuf = FX_Alloc(uint8_t, 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 || 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(uint8_t* dest_buf,
- const uint8_t* 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++ = (int32_t)(B * 255);
- *dest_buf++ = (int32_t)(G * 255);
- *dest_buf++ = (int32_t)(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_pCountedPattern ? pvalue->m_pCountedPattern->get() : NULL;
- if (pPattern && pPattern->m_pDocument) {
- CPDF_DocPageData* pPageData = pPattern->m_pDocument->GetPageData();
- if (pPageData) {
- pPageData->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) {
- 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) {
- return;
- }
- if (m_pCS->GetFamily() != PDFCS_PATTERN) {
- FXSYS_memcpy(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 || m_pCS->GetFamily() != PDFCS_PATTERN) {
- 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();
- if (pDocPageData) {
- pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj);
- }
- }
- pvalue->m_nComps = ncomps;
- pvalue->m_pPattern = pPattern;
- if (ncomps) {
- FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT));
- }
- pvalue->m_pCountedPattern = NULL;
- if (pPattern && pPattern->m_pDocument) {
- if (!pDocPageData) {
- pDocPageData = pPattern->m_pDocument->GetPageData();
- }
- pvalue->m_pCountedPattern =
- pDocPageData->FindPatternPtr(pPattern->m_pPatternObj);
- }
-}
-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) {
- return;
- }
- m_pBuffer = m_pCS->CreateBuf();
- FXSYS_memcpy(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 || !m_pBuffer) {
- return FALSE;
- }
- FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f;
- if (!m_pCS->GetRGB(m_pBuffer, r, g, b)) {
- return FALSE;
- }
- R = (int32_t)(r * 255 + 0.5f);
- G = (int32_t)(g * 255 + 0.5f);
- B = (int32_t)(b * 255 + 0.5f);
- return TRUE;
-}
-CPDF_Pattern* CPDF_Color::GetPattern() const {
- if (!m_pBuffer || 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 || m_pCS->GetFamily() != PDFCS_PATTERN) {
- return NULL;
- }
- return m_pCS->GetBaseCS();
-}
-FX_FLOAT* CPDF_Color::GetPatternColor() const {
- if (!m_pBuffer || 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 {
- return m_pCS && m_pCS == other.m_pCS &&
- FXSYS_memcmp(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
deleted file mode 100644
index 7c5a0eab42..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
+++ /dev/null
@@ -1,610 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include "core/include/fdrm/fx_crypt.h"
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/src/fpdfapi/fpdf_font/font_int.h"
-
-class CPDF_PageModule : public IPDF_PageModule {
- public:
- CPDF_PageModule()
- : m_StockGrayCS(nullptr, PDFCS_DEVICEGRAY),
- m_StockRGBCS(nullptr, PDFCS_DEVICERGB),
- m_StockCMYKCS(nullptr, PDFCS_DEVICECMYK),
- m_StockPatternCS(nullptr) {}
-
- private:
- ~CPDF_PageModule() override {}
-
- CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc) override {
- return new CPDF_DocPageData(pDoc);
- }
-
- void ReleaseDoc(CPDF_Document* pDoc) override;
- void ClearDoc(CPDF_Document* pDoc) override;
-
- CPDF_FontGlobals* GetFontGlobals() override { return &m_FontGlobals; }
-
- void ClearStockFont(CPDF_Document* pDoc) override {
- m_FontGlobals.Clear(pDoc);
- }
-
- CPDF_ColorSpace* GetStockCS(int family) override;
- void NotifyCJKAvailable() override;
-
- 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() {
- m_pPageModule.reset(new CPDF_PageModule);
-}
-
-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) {
- ASSERT(pFontDict);
- return GetValidatePageData()->GetFont(pFontDict, FALSE);
-}
-
-CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream) {
- 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_Matrix* matrix) {
- return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
-}
-CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream) {
- return GetValidatePageData()->GetIccProfile(pStream);
-}
-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_bForceClear(FALSE) {}
-
-CPDF_DocPageData::~CPDF_DocPageData() {
- Clear(FALSE);
- Clear(TRUE);
-
- for (auto& it : m_PatternMap)
- delete it.second;
- m_PatternMap.clear();
-
- for (auto& it : m_FontMap)
- delete it.second;
- m_FontMap.clear();
-
- for (auto& it : m_ColorSpaceMap)
- delete it.second;
- m_ColorSpaceMap.clear();
-}
-
-void CPDF_DocPageData::Clear(FX_BOOL bForceRelease) {
- m_bForceClear = bForceRelease;
-
- for (auto& it : m_PatternMap) {
- CPDF_CountedPattern* ptData = it.second;
- if (!ptData->get())
- continue;
-
- if (bForceRelease || ptData->use_count() < 2) {
- ptData->get()->SetForceClear(bForceRelease);
- ptData->clear();
- }
- }
-
- for (auto& it : m_FontMap) {
- CPDF_CountedFont* fontData = it.second;
- if (!fontData->get())
- continue;
-
- if (bForceRelease || fontData->use_count() < 2) {
- fontData->clear();
- }
- }
-
- for (auto& it : m_ColorSpaceMap) {
- CPDF_CountedColorSpace* csData = it.second;
- if (!csData->get())
- continue;
-
- if (bForceRelease || csData->use_count() < 2) {
- csData->get()->ReleaseCS();
- csData->reset(nullptr);
- }
- }
-
- for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end();) {
- auto curr_it = it++;
- CPDF_CountedIccProfile* ipData = curr_it->second;
- if (!ipData->get())
- continue;
-
- if (bForceRelease || ipData->use_count() < 2) {
- for (auto hash_it = m_HashProfileMap.begin();
- hash_it != m_HashProfileMap.end(); ++hash_it) {
- if (curr_it->first == hash_it->second) {
- m_HashProfileMap.erase(hash_it);
- break;
- }
- }
- delete ipData->get();
- delete ipData;
- m_IccProfileMap.erase(curr_it);
- }
- }
-
- for (auto it = m_FontFileMap.begin(); it != m_FontFileMap.end();) {
- auto curr_it = it++;
- CPDF_CountedStreamAcc* ftData = curr_it->second;
- if (!ftData->get())
- continue;
-
- if (bForceRelease || ftData->use_count() < 2) {
- delete ftData->get();
- delete ftData;
- m_FontFileMap.erase(curr_it);
- }
- }
-
- for (auto it = m_ImageMap.begin(); it != m_ImageMap.end();) {
- auto curr_it = it++;
- CPDF_CountedImage* imageData = curr_it->second;
- if (!imageData->get())
- continue;
-
- if (bForceRelease || imageData->use_count() < 2) {
- delete imageData->get();
- delete imageData;
- m_ImageMap.erase(curr_it);
- }
- }
-}
-
-CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict,
- FX_BOOL findOnly) {
- if (!pFontDict) {
- return NULL;
- }
- if (findOnly) {
- auto it = m_FontMap.find(pFontDict);
- if (it != m_FontMap.end() && it->second->get()) {
- return it->second->AddRef();
- }
- return nullptr;
- }
-
- CPDF_CountedFont* fontData = nullptr;
- auto it = m_FontMap.find(pFontDict);
- if (it != m_FontMap.end()) {
- fontData = it->second;
- if (fontData->get()) {
- return fontData->AddRef();
- }
- }
-
- CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pFontDict);
- if (!pFont) {
- return nullptr;
- }
- if (!fontData) {
- fontData = new CPDF_CountedFont(pFont);
- m_FontMap[pFontDict] = fontData;
- } else {
- fontData->reset(pFont);
- }
- return fontData->AddRef();
-}
-
-CPDF_Font* CPDF_DocPageData::GetStandardFont(const CFX_ByteStringC& fontName,
- CPDF_FontEncoding* pEncoding) {
- if (fontName.IsEmpty())
- return nullptr;
-
- for (auto& it : m_FontMap) {
- CPDF_CountedFont* fontData = it.second;
- CPDF_Font* pFont = fontData->get();
- if (!pFont)
- continue;
- if (pFont->GetBaseFont() != fontName)
- continue;
- if (pFont->IsEmbedded())
- continue;
- if (!pFont->IsType1Font())
- continue;
- if (pFont->GetFontDict()->KeyExist("Widths"))
- continue;
-
- CPDF_Type1Font* pT1Font = pFont->AsType1Font();
- if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding))
- continue;
-
- return fontData->AddRef();
- }
-
- CPDF_Dictionary* pDict = new CPDF_Dictionary;
- pDict->SetAtName("Type", "Font");
- pDict->SetAtName("Subtype", "Type1");
- pDict->SetAtName("BaseFont", fontName);
- if (pEncoding) {
- pDict->SetAt("Encoding", pEncoding->Realize());
- }
- m_pPDFDoc->AddIndirectObject(pDict);
- CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
- if (!pFont) {
- return nullptr;
- }
- CPDF_CountedFont* fontData = new CPDF_CountedFont(pFont);
- m_FontMap[pDict] = fontData;
- return fontData->AddRef();
-}
-
-void CPDF_DocPageData::ReleaseFont(CPDF_Dictionary* pFontDict) {
- if (!pFontDict)
- return;
-
- auto it = m_FontMap.find(pFontDict);
- if (it == m_FontMap.end())
- return;
-
- CPDF_CountedFont* fontData = it->second;
- if (fontData->get()) {
- fontData->RemoveRef();
- if (fontData->use_count() == 0) {
- fontData->clear();
- }
- }
-}
-
-CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(
- CPDF_Object* pCSObj,
- const CPDF_Dictionary* pResources) {
- if (!pCSObj)
- return nullptr;
-
- if (pCSObj->IsName()) {
- CFX_ByteString name = pCSObj->GetConstString();
- CPDF_ColorSpace* pCS = _CSFromName(name);
- if (!pCS && pResources) {
- CPDF_Dictionary* pList = pResources->GetDictBy("ColorSpace");
- if (pList) {
- pCSObj = pList->GetElementValue(name);
- return GetColorSpace(pCSObj, nullptr);
- }
- }
- if (!pCS || !pResources)
- return pCS;
-
- CPDF_Dictionary* pColorSpaces = pResources->GetDictBy("ColorSpace");
- if (!pColorSpaces)
- return pCS;
-
- CPDF_Object* pDefaultCS = nullptr;
- switch (pCS->GetFamily()) {
- case PDFCS_DEVICERGB:
- pDefaultCS = pColorSpaces->GetElementValue("DefaultRGB");
- break;
- case PDFCS_DEVICEGRAY:
- pDefaultCS = pColorSpaces->GetElementValue("DefaultGray");
- break;
- case PDFCS_DEVICECMYK:
- pDefaultCS = pColorSpaces->GetElementValue("DefaultCMYK");
- break;
- }
- return pDefaultCS ? GetColorSpace(pDefaultCS, nullptr) : pCS;
- }
-
- CPDF_Array* pArray = pCSObj->AsArray();
- if (!pArray || pArray->GetCount() == 0)
- return nullptr;
- if (pArray->GetCount() == 1)
- return GetColorSpace(pArray->GetElementValue(0), pResources);
-
- CPDF_CountedColorSpace* csData = nullptr;
- auto it = m_ColorSpaceMap.find(pCSObj);
- if (it != m_ColorSpaceMap.end()) {
- csData = it->second;
- if (csData->get()) {
- return csData->AddRef();
- }
- }
-
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
- if (!pCS)
- return nullptr;
-
- if (!csData) {
- csData = new CPDF_CountedColorSpace(pCS);
- m_ColorSpaceMap[pCSObj] = csData;
- } else {
- csData->reset(pCS);
- }
- return csData->AddRef();
-}
-
-CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj) {
- if (!pCSObj)
- return nullptr;
-
- auto it = m_ColorSpaceMap.find(pCSObj);
- if (it != m_ColorSpaceMap.end())
- return it->second->AddRef();
-
- return nullptr;
-}
-
-void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace) {
- if (!pColorSpace)
- return;
-
- auto it = m_ColorSpaceMap.find(pColorSpace);
- if (it == m_ColorSpaceMap.end())
- return;
-
- CPDF_CountedColorSpace* csData = it->second;
- if (csData->get()) {
- csData->RemoveRef();
- if (csData->use_count() == 0) {
- csData->get()->ReleaseCS();
- csData->reset(nullptr);
- }
- }
-}
-
-CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj,
- FX_BOOL bShading,
- const CFX_Matrix* matrix) {
- if (!pPatternObj)
- return nullptr;
-
- CPDF_CountedPattern* ptData = nullptr;
- auto it = m_PatternMap.find(pPatternObj);
- if (it != m_PatternMap.end()) {
- ptData = it->second;
- if (ptData->get()) {
- return ptData->AddRef();
- }
- }
- CPDF_Pattern* pPattern = nullptr;
- if (bShading) {
- pPattern =
- new CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, bShading, matrix);
- } else {
- CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : nullptr;
- if (pDict) {
- int type = pDict->GetIntegerBy("PatternType");
- if (type == 1) {
- pPattern = new CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
- } else if (type == 2) {
- pPattern =
- new CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix);
- }
- }
- }
- if (!pPattern)
- return nullptr;
-
- if (!ptData) {
- ptData = new CPDF_CountedPattern(pPattern);
- m_PatternMap[pPatternObj] = ptData;
- } else {
- ptData->reset(pPattern);
- }
- return ptData->AddRef();
-}
-
-void CPDF_DocPageData::ReleasePattern(CPDF_Object* pPatternObj) {
- if (!pPatternObj)
- return;
-
- auto it = m_PatternMap.find(pPatternObj);
- if (it == m_PatternMap.end())
- return;
-
- CPDF_CountedPattern* ptData = it->second;
- if (ptData->get()) {
- ptData->RemoveRef();
- if (ptData->use_count() == 0) {
- ptData->clear();
- }
- }
-}
-
-CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream) {
- if (!pImageStream)
- return nullptr;
-
- const FX_DWORD dwImageObjNum = pImageStream->GetObjNum();
- auto it = m_ImageMap.find(dwImageObjNum);
- if (it != m_ImageMap.end()) {
- return it->second->AddRef();
- }
-
- CPDF_Image* pImage = new CPDF_Image(m_pPDFDoc);
- pImage->LoadImageF(pImageStream->AsStream(), FALSE);
-
- CPDF_CountedImage* imageData = new CPDF_CountedImage(pImage);
- m_ImageMap[dwImageObjNum] = imageData;
- return imageData->AddRef();
-}
-
-void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream) {
- if (!pImageStream || !pImageStream->GetObjNum())
- return;
-
- auto it = m_ImageMap.find(pImageStream->GetObjNum());
- if (it == m_ImageMap.end())
- return;
-
- CPDF_CountedImage* image = it->second;
- if (!image)
- return;
-
- image->RemoveRef();
- if (image->use_count() == 0) {
- delete image->get();
- delete image;
- m_ImageMap.erase(it);
- }
-}
-
-CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(
- CPDF_Stream* pIccProfileStream) {
- if (!pIccProfileStream)
- return NULL;
-
- auto it = m_IccProfileMap.find(pIccProfileStream);
- if (it != m_IccProfileMap.end()) {
- return it->second->AddRef();
- }
-
- CPDF_StreamAcc stream;
- stream.LoadAllData(pIccProfileStream, FALSE);
- uint8_t digest[20];
- CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
- auto hash_it = m_HashProfileMap.find(CFX_ByteStringC(digest, 20));
- if (hash_it != m_HashProfileMap.end()) {
- auto it_copied_stream = m_IccProfileMap.find(hash_it->second);
- return it_copied_stream->second->AddRef();
- }
- CPDF_IccProfile* pProfile =
- new CPDF_IccProfile(stream.GetData(), stream.GetSize());
- CPDF_CountedIccProfile* ipData = new CPDF_CountedIccProfile(pProfile);
- m_IccProfileMap[pIccProfileStream] = ipData;
- m_HashProfileMap[CFX_ByteStringC(digest, 20)] = pIccProfileStream;
- return ipData->AddRef();
-}
-
-void CPDF_DocPageData::ReleaseIccProfile(CPDF_IccProfile* pIccProfile) {
- ASSERT(pIccProfile);
-
- for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end(); ++it) {
- CPDF_CountedIccProfile* profile = it->second;
- if (profile->get() != pIccProfile)
- continue;
-
- profile->RemoveRef();
- if (profile->use_count() == 0) {
- delete profile->get();
- delete profile;
- m_IccProfileMap.erase(it);
- return;
- }
- }
-}
-
-CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(
- CPDF_Stream* pFontStream) {
- ASSERT(pFontStream);
-
- auto it = m_FontFileMap.find(pFontStream);
- if (it != m_FontFileMap.end())
- return it->second->AddRef();
-
- CPDF_Dictionary* pFontDict = pFontStream->GetDict();
- int32_t org_size = pFontDict->GetIntegerBy("Length1") +
- pFontDict->GetIntegerBy("Length2") +
- pFontDict->GetIntegerBy("Length3");
- if (org_size < 0)
- org_size = 0;
-
- CPDF_StreamAcc* pFontFile = new CPDF_StreamAcc;
- pFontFile->LoadAllData(pFontStream, FALSE, org_size);
-
- CPDF_CountedStreamAcc* ftData = new CPDF_CountedStreamAcc(pFontFile);
- m_FontFileMap[pFontStream] = ftData;
- return ftData->AddRef();
-}
-
-void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream,
- FX_BOOL bForce) {
- if (!pFontStream)
- return;
-
- auto it = m_FontFileMap.find(pFontStream);
- if (it == m_FontFileMap.end())
- return;
-
- CPDF_CountedStreamAcc* findData = it->second;
- if (!findData)
- return;
-
- findData->RemoveRef();
- if (findData->use_count() == 0 || bForce) {
- delete findData->get();
- delete findData;
- m_FontFileMap.erase(it);
- }
-}
-
-CPDF_CountedColorSpace* CPDF_DocPageData::FindColorSpacePtr(
- CPDF_Object* pCSObj) const {
- if (!pCSObj)
- return nullptr;
-
- auto it = m_ColorSpaceMap.find(pCSObj);
- return it != m_ColorSpaceMap.end() ? it->second : nullptr;
-}
-
-CPDF_CountedPattern* CPDF_DocPageData::FindPatternPtr(
- CPDF_Object* pPatternObj) const {
- if (!pPatternObj)
- return nullptr;
-
- auto it = m_PatternMap.find(pPatternObj);
- return it != m_PatternMap.end() ? it->second : nullptr;
-}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
deleted file mode 100644
index 1d7bf64903..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
+++ /dev/null
@@ -1,966 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <limits.h>
-
-#include <memory>
-#include <utility>
-#include <vector>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_simple_parser.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fxcrt/fx_safe_types.h"
-#include "third_party/base/numerics/safe_conversions_impl.h"
-
-namespace {
-
-enum PDF_PSOP {
- 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
-};
-
-class CPDF_PSEngine;
-class CPDF_PSProc;
-
-class CPDF_PSOP {
- public:
- explicit CPDF_PSOP(PDF_PSOP op) : m_op(op), m_value(0) {
- ASSERT(m_op != PSOP_CONST);
- ASSERT(m_op != PSOP_PROC);
- }
- explicit CPDF_PSOP(FX_FLOAT value) : m_op(PSOP_CONST), m_value(value) {}
- explicit CPDF_PSOP(std::unique_ptr<CPDF_PSProc> proc)
- : m_op(PSOP_PROC), m_value(0), m_proc(std::move(proc)) {}
-
- FX_FLOAT GetFloatValue() const {
- if (m_op == PSOP_CONST)
- return m_value;
-
- ASSERT(false);
- return 0;
- }
- CPDF_PSProc* GetProc() const {
- if (m_op == PSOP_PROC)
- return m_proc.get();
- ASSERT(false);
- return nullptr;
- }
-
- PDF_PSOP GetOp() const { return m_op; }
-
- private:
- const PDF_PSOP m_op;
- const FX_FLOAT m_value;
- std::unique_ptr<CPDF_PSProc> m_proc;
-};
-
-class CPDF_PSProc {
- public:
- CPDF_PSProc() {}
- ~CPDF_PSProc() {}
-
- FX_BOOL Parse(CPDF_SimpleParser* parser);
- FX_BOOL Execute(CPDF_PSEngine* pEngine);
-
- private:
- std::vector<std::unique_ptr<CPDF_PSOP>> m_Operators;
-};
-
-const size_t PSENGINE_STACKSIZE = 100;
-
-class CPDF_PSEngine {
- public:
- CPDF_PSEngine();
- ~CPDF_PSEngine();
-
- FX_BOOL Parse(const FX_CHAR* str, 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() const { return m_StackCount; }
-
- private:
- FX_FLOAT m_Stack[PSENGINE_STACKSIZE];
- int m_StackCount;
- CPDF_PSProc m_MainProc;
-};
-
-FX_BOOL CPDF_PSProc::Execute(CPDF_PSEngine* pEngine) {
- for (size_t i = 0; i < m_Operators.size(); ++i) {
- const PDF_PSOP op = m_Operators[i]->GetOp();
- if (op == PSOP_PROC)
- continue;
-
- if (op == PSOP_CONST) {
- pEngine->Push(m_Operators[i]->GetFloatValue());
- continue;
- }
-
- if (op == PSOP_IF) {
- if (i == 0 || m_Operators[i - 1]->GetOp() != PSOP_PROC)
- return FALSE;
-
- if (static_cast<int>(pEngine->Pop()))
- m_Operators[i - 1]->GetProc()->Execute(pEngine);
- } else if (op == PSOP_IFELSE) {
- if (i < 2 || m_Operators[i - 1]->GetOp() != PSOP_PROC ||
- m_Operators[i - 2]->GetOp() != PSOP_PROC) {
- return FALSE;
- }
- size_t offset = static_cast<int>(pEngine->Pop()) ? 2 : 1;
- m_Operators[i - offset]->GetProc()->Execute(pEngine);
- } else {
- pEngine->DoOperator(op);
- }
- }
- return TRUE;
-}
-
-CPDF_PSEngine::CPDF_PSEngine() {
- m_StackCount = 0;
-}
-CPDF_PSEngine::~CPDF_PSEngine() {}
-void CPDF_PSEngine::Push(FX_FLOAT v) {
- if (m_StackCount == PSENGINE_STACKSIZE) {
- 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}};
-
-FX_BOOL CPDF_PSEngine::Parse(const FX_CHAR* str, int size) {
- CPDF_SimpleParser parser((uint8_t*)str, size);
- CFX_ByteStringC word = parser.GetWord();
- if (word != "{") {
- 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 == "}") {
- return TRUE;
- }
- if (word == "{") {
- std::unique_ptr<CPDF_PSProc> proc(new CPDF_PSProc);
- std::unique_ptr<CPDF_PSOP> op(new CPDF_PSOP(std::move(proc)));
- m_Operators.push_back(std::move(op));
- if (!m_Operators.back()->GetProc()->Parse(parser)) {
- return FALSE;
- }
- } else {
- bool found = false;
- for (const PDF_PSOpName& op_name : PDF_PSOpNames) {
- if (word == CFX_ByteStringC(op_name.name)) {
- std::unique_ptr<CPDF_PSOP> op(new CPDF_PSOP(op_name.op));
- m_Operators.push_back(std::move(op));
- found = true;
- break;
- }
- }
- if (!found) {
- std::unique_ptr<CPDF_PSOP> op(new CPDF_PSOP(FX_atof(word)));
- m_Operators.push_back(std::move(op));
- }
- }
- }
-}
-
-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 * FX_PI / 180.0f));
- break;
- case PSOP_COS:
- d1 = Pop();
- Push((FX_FLOAT)FXSYS_cos(d1 * FX_PI / 180.0f));
- break;
- case PSOP_ATAN:
- d2 = Pop();
- d1 = Pop();
- d1 = (FX_FLOAT)(FXSYS_atan2(d1, d2) * 180.0 / FX_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(const uint8_t* 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();
- ~CPDF_SampledFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- SampleEncodeInfo* m_pEncodeInfo;
- SampleDecodeInfo* m_pDecodeInfo;
- FX_DWORD m_nBitsPerSample;
- FX_DWORD m_SampleMax;
- CPDF_StreamAcc* m_pSampleStream;
-};
-
-CPDF_SampledFunc::CPDF_SampledFunc() {
- m_pSampleStream = NULL;
- m_pEncodeInfo = NULL;
- m_pDecodeInfo = NULL;
-}
-CPDF_SampledFunc::~CPDF_SampledFunc() {
- delete m_pSampleStream;
- FX_Free(m_pEncodeInfo);
- FX_Free(m_pDecodeInfo);
-}
-FX_BOOL CPDF_SampledFunc::v_Init(CPDF_Object* pObj) {
- CPDF_Stream* pStream = pObj->AsStream();
- if (!pStream)
- return false;
-
- CPDF_Dictionary* pDict = pStream->GetDict();
- CPDF_Array* pSize = pDict->GetArrayBy("Size");
- CPDF_Array* pEncode = pDict->GetArrayBy("Encode");
- CPDF_Array* pDecode = pDict->GetArrayBy("Decode");
- m_nBitsPerSample = pDict->GetIntegerBy("BitsPerSample");
- if (m_nBitsPerSample > 32) {
- return FALSE;
- }
- m_SampleMax = 0xffffffff >> (32 - m_nBitsPerSample);
- m_pSampleStream = new CPDF_StreamAcc;
- m_pSampleStream->LoadAllData(pStream, FALSE);
- m_pEncodeInfo = FX_Alloc(SampleEncodeInfo, m_nInputs);
- FX_SAFE_DWORD nTotalSampleBits = 1;
- for (int i = 0; i < m_nInputs; i++) {
- m_pEncodeInfo[i].sizes = pSize ? pSize->GetIntegerAt(i) : 0;
- if (!pSize && i == 0) {
- m_pEncodeInfo[i].sizes = pDict->GetIntegerBy("Size");
- }
- nTotalSampleBits *= m_pEncodeInfo[i].sizes;
- if (pEncode) {
- m_pEncodeInfo[i].encode_min = pEncode->GetFloatAt(i * 2);
- m_pEncodeInfo[i].encode_max = pEncode->GetFloatAt(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;
- }
- }
- }
- nTotalSampleBits *= m_nBitsPerSample;
- nTotalSampleBits *= m_nOutputs;
- FX_SAFE_DWORD nTotalSampleBytes = nTotalSampleBits;
- nTotalSampleBytes += 7;
- nTotalSampleBytes /= 8;
- if (!nTotalSampleBytes.IsValid() || nTotalSampleBytes.ValueOrDie() == 0 ||
- nTotalSampleBytes.ValueOrDie() > m_pSampleStream->GetSize()) {
- return FALSE;
- }
- m_pDecodeInfo = FX_Alloc(SampleDecodeInfo, m_nOutputs);
- for (int i = 0; i < m_nOutputs; i++) {
- if (pDecode) {
- m_pDecodeInfo[i].decode_min = pDecode->GetFloatAt(2 * i);
- m_pDecodeInfo[i].decode_max = pDecode->GetFloatAt(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];
- }
- FX_SAFE_INT32 bits_to_output = m_nOutputs;
- bits_to_output *= m_nBitsPerSample;
- if (!bits_to_output.IsValid()) {
- return FALSE;
- }
- FX_SAFE_INT32 bitpos = pos;
- bitpos *= bits_to_output.ValueOrDie();
- if (!bitpos.IsValid()) {
- return FALSE;
- }
- FX_SAFE_INT32 range_check = bitpos;
- range_check += bits_to_output.ValueOrDie();
- if (!range_check.IsValid()) {
- return FALSE;
- }
- const uint8_t* pSampleData = m_pSampleStream->GetData();
- if (!pSampleData) {
- return FALSE;
- }
- for (int j = 0; j < m_nOutputs; j++) {
- FX_DWORD sample =
- _GetBits32(pSampleData, bitpos.ValueOrDie() + 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 {
- FX_SAFE_INT32 bitpos2 = blocksize[i];
- bitpos2 += pos;
- bitpos2 *= m_nOutputs;
- bitpos2 += j;
- bitpos2 *= m_nBitsPerSample;
- if (!bitpos2.IsValid()) {
- return FALSE;
- }
- FX_DWORD sample1 =
- _GetBits32(pSampleData, bitpos2.ValueOrDie(), 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:
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- CPDF_PSEngine m_PS;
-};
-
-FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj) {
- CPDF_Stream* pStream = pObj->AsStream();
- 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();
- ~CPDF_ExpIntFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- 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() {
- FX_Free(m_pBeginValues);
- FX_Free(m_pEndValues);
-}
-FX_BOOL CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj) {
- CPDF_Dictionary* pDict = pObj->GetDict();
- if (!pDict) {
- return FALSE;
- }
- CPDF_Array* pArray0 = pDict->GetArrayBy("C0");
- if (m_nOutputs == 0) {
- m_nOutputs = 1;
- if (pArray0) {
- m_nOutputs = pArray0->GetCount();
- }
- }
- CPDF_Array* pArray1 = pDict->GetArrayBy("C1");
- m_pBeginValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
- m_pEndValues = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
- for (int i = 0; i < m_nOutputs; i++) {
- m_pBeginValues[i] = pArray0 ? pArray0->GetFloatAt(i) : 0.0f;
- m_pEndValues[i] = pArray1 ? pArray1->GetFloatAt(i) : 1.0f;
- }
- m_Exponent = pDict->GetFloatBy("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();
- ~CPDF_StitchFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- std::vector<CPDF_Function*> m_pSubFunctions;
- FX_FLOAT* m_pBounds;
- FX_FLOAT* m_pEncode;
-
- static const int kRequiredNumInputs = 1;
-};
-
-CPDF_StitchFunc::CPDF_StitchFunc() {
- m_pBounds = NULL;
- m_pEncode = NULL;
-}
-CPDF_StitchFunc::~CPDF_StitchFunc() {
- for (auto& sub : m_pSubFunctions) {
- delete sub;
- }
- FX_Free(m_pBounds);
- FX_Free(m_pEncode);
-}
-FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj) {
- CPDF_Dictionary* pDict = pObj->GetDict();
- if (!pDict) {
- return FALSE;
- }
- if (m_nInputs != kRequiredNumInputs) {
- return FALSE;
- }
- CPDF_Array* pArray = pDict->GetArrayBy("Functions");
- if (!pArray) {
- return FALSE;
- }
- FX_DWORD nSubs = pArray->GetCount();
- if (nSubs == 0) {
- return FALSE;
- }
- m_nOutputs = 0;
- for (FX_DWORD i = 0; i < nSubs; i++) {
- CPDF_Object* pSub = pArray->GetElementValue(i);
- if (pSub == pObj) {
- return FALSE;
- }
- std::unique_ptr<CPDF_Function> pFunc(CPDF_Function::Load(pSub));
- if (!pFunc) {
- return FALSE;
- }
- // Check that the input dimensionality is 1, and that all output
- // dimensionalities are the same.
- if (pFunc->CountInputs() != kRequiredNumInputs) {
- return FALSE;
- }
- if (pFunc->CountOutputs() != m_nOutputs) {
- if (m_nOutputs)
- return FALSE;
-
- m_nOutputs = pFunc->CountOutputs();
- }
-
- m_pSubFunctions.push_back(pFunc.release());
- }
- m_pBounds = FX_Alloc(FX_FLOAT, nSubs + 1);
- m_pBounds[0] = m_pDomains[0];
- pArray = pDict->GetArrayBy("Bounds");
- if (!pArray) {
- return FALSE;
- }
- for (FX_DWORD i = 0; i < nSubs - 1; i++) {
- m_pBounds[i + 1] = pArray->GetFloatAt(i);
- }
- m_pBounds[nSubs] = m_pDomains[1];
- m_pEncode = FX_Alloc2D(FX_FLOAT, nSubs, 2);
- pArray = pDict->GetArrayBy("Encode");
- if (!pArray) {
- return FALSE;
- }
- for (FX_DWORD i = 0; i < nSubs * 2; i++) {
- m_pEncode[i] = pArray->GetFloatAt(i);
- }
- return TRUE;
-}
-FX_BOOL CPDF_StitchFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* outputs) const {
- FX_FLOAT input = inputs[0];
- size_t i;
- for (i = 0; i < m_pSubFunctions.size() - 1; i++)
- if (input < m_pBounds[i + 1]) {
- break;
- }
- if (!m_pSubFunctions[i]) {
- 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, kRequiredNumInputs, outputs, nresults);
- return TRUE;
-}
-
-} // namespace
-
-CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj) {
- if (!pFuncObj) {
- return NULL;
- }
- CPDF_Function* pFunc = NULL;
- int type;
- if (CPDF_Stream* pStream = pFuncObj->AsStream()) {
- type = pStream->GetDict()->GetIntegerBy("FunctionType");
- } else if (CPDF_Dictionary* pDict = pFuncObj->AsDictionary()) {
- type = pDict->GetIntegerBy("FunctionType");
- } else {
- return NULL;
- }
- if (type == 0) {
- pFunc = new CPDF_SampledFunc;
- } else if (type == 2) {
- pFunc = new CPDF_ExpIntFunc;
- } else if (type == 3) {
- pFunc = new CPDF_StitchFunc;
- } else if (type == 4) {
- pFunc = 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() {
- FX_Free(m_pDomains);
- FX_Free(m_pRanges);
-}
-FX_BOOL CPDF_Function::Init(CPDF_Object* pObj) {
- CPDF_Stream* pStream = pObj->AsStream();
- CPDF_Dictionary* pDict = pStream ? pStream->GetDict() : pObj->AsDictionary();
-
- CPDF_Array* pDomains = pDict->GetArrayBy("Domain");
- if (!pDomains)
- return FALSE;
-
- m_nInputs = pDomains->GetCount() / 2;
- if (m_nInputs == 0)
- return FALSE;
-
- m_pDomains = FX_Alloc2D(FX_FLOAT, m_nInputs, 2);
- for (int i = 0; i < m_nInputs * 2; i++) {
- m_pDomains[i] = pDomains->GetFloatAt(i);
- }
- CPDF_Array* pRanges = pDict->GetArrayBy("Range");
- m_nOutputs = 0;
- if (pRanges) {
- m_nOutputs = pRanges->GetCount() / 2;
- m_pRanges = FX_Alloc2D(FX_FLOAT, m_nOutputs, 2);
- for (int i = 0; i < m_nOutputs * 2; i++) {
- m_pRanges[i] = pRanges->GetFloatAt(i);
- }
- }
- FX_DWORD old_outputs = m_nOutputs;
- if (!v_Init(pObj)) {
- return FALSE;
- }
- if (m_pRanges && m_nOutputs > (int)old_outputs) {
- m_pRanges = FX_Realloc(FX_FLOAT, m_pRanges, m_nOutputs * 2);
- if (m_pRanges) {
- FXSYS_memset(m_pRanges + (old_outputs * 2), 0,
- sizeof(FX_FLOAT) * (m_nOutputs - old_outputs) * 2);
- }
- }
- return TRUE;
-}
-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_func_embeddertest.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func_embeddertest.cpp
deleted file mode 100644
index 2892036882..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_func_embeddertest.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2015 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.
-
-#include "testing/embedder_test.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class FPDFPageFuncEmbeddertest : public EmbedderTest {};
-
-TEST_F(FPDFPageFuncEmbeddertest, Bug_551460) {
- // Should not crash under ASan.
- // Tests that the number of inputs is not simply calculated from the domain
- // and trusted. The number of inputs has to be 1.
- EXPECT_TRUE(OpenDocument("bug_551460.pdf"));
- FPDF_PAGE page = LoadPage(0);
- EXPECT_NE(nullptr, page);
- FPDF_BITMAP bitmap = RenderPage(page);
- FPDFBitmap_Destroy(bitmap);
- UnloadPage(page);
-}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
deleted file mode 100644
index 1659cacc33..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
+++ /dev/null
@@ -1,697 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <algorithm>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
-#include "core/include/fpdfapi/fpdf_render.h"
-#include "core/src/fpdfapi/fpdf_render/render_int.h"
-#include "third_party/base/stl_util.h"
-
-namespace {
-
-FX_FLOAT ClipFloat(FX_FLOAT f) {
- return std::max(0.0f, std::min(1.0f, f));
-}
-
-} // namespace
-
-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;
- delete[] m_pPathList;
- FX_Free(m_pTypeList);
- for (i = m_TextCount - 1; i > -1; i--)
- delete m_pTextList[i];
- 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);
- }
- m_pPathList = new CPDF_Path[alloc_size];
- for (int i = 0; i < m_PathCount; i++) {
- m_pPathList[i] = src.m_pPathList[i];
- }
- m_pTypeList = FX_Alloc(uint8_t, alloc_size);
- FXSYS_memcpy(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);
- for (int i = 0; i < m_TextCount; i++) {
- if (src.m_pTextList[i]) {
- m_pTextList[i] = src.m_pTextList[i]->Clone();
- } 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;
- m_pPathList = new CPDF_Path[alloc_size];
- m_pTypeList = FX_Alloc(uint8_t, alloc_size);
- }
- if (text_count) {
- m_TextCount = text_count;
- m_pTextList = FX_Alloc(CPDF_TextObject*, text_count);
- }
-}
-CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
- CFX_FloatRect rect;
- FX_BOOL bStarted = FALSE;
- int count = GetPathCount();
- if (count) {
- rect = GetPath(0).GetBoundingBox();
- for (int i = 1; i < count; i++) {
- CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
- rect.Intersect(path_rect);
- }
- bStarted = TRUE;
- }
- count = GetTextCount();
- if (count) {
- CFX_FloatRect layer_rect;
- FX_BOOL bLayerStarted = FALSE;
- for (int i = 0; i < count; i++) {
- CPDF_TextObject* pTextObj = GetText(i);
- if (!pTextObj) {
- if (!bStarted) {
- rect = layer_rect;
- bStarted = TRUE;
- } else {
- rect.Intersect(layer_rect);
- }
- bLayerStarted = FALSE;
- } else {
- if (!bLayerStarted) {
- layer_rect = CFX_FloatRect(pTextObj->GetBBox(nullptr));
- bLayerStarted = TRUE;
- } else {
- layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr)));
- }
- }
- }
- }
- 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()) {
- CFX_FloatRect old_rect(old_path.GetPointX(0), old_path.GetPointY(0),
- old_path.GetPointX(2), old_path.GetPointY(2));
- CFX_FloatRect 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 = new CPDF_Path[pData->m_PathCount + 8];
- for (int i = 0; i < pData->m_PathCount; i++) {
- pNewPath[i] = pData->m_pPathList[i];
- }
- delete[] pData->m_pPathList;
- uint8_t* pNewType = FX_Alloc(uint8_t, pData->m_PathCount + 8);
- FXSYS_memcpy(pNewType, pData->m_pTypeList, pData->m_PathCount);
- 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] = (uint8_t)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_memmove(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++) {
- delete pTexts[i];
- }
- return;
- }
- CPDF_TextObject** pNewList =
- FX_Alloc(CPDF_TextObject*, pData->m_TextCount + count + 1);
- if (pData->m_pTextList) {
- FXSYS_memcpy(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 CFX_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_pDocument = 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) {
- if (this == &src) {
- return;
- }
- FXSYS_memcpy(this, &src, sizeof(CPDF_TextStateData));
- if (m_pDocument && m_pFont) {
- m_pFont =
- m_pDocument->GetPageData()->GetFont(m_pFont->GetFontDict(), FALSE);
- }
-}
-CPDF_TextStateData::~CPDF_TextStateData() {
- if (m_pDocument && m_pFont) {
- CPDF_DocPageData* pPageData = m_pDocument->GetPageData();
- if (pPageData && !pPageData->IsForceClear()) {
- pPageData->ReleaseFont(m_pFont->GetFontDict());
- }
- }
-}
-void CPDF_TextState::SetFont(CPDF_Font* pFont) {
- CPDF_TextStateData* pStateData = GetModify();
- if (pStateData) {
- CPDF_Document* pDoc = pStateData->m_pDocument;
- CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : NULL;
- if (pPageData && pStateData->m_pFont && !pPageData->IsForceClear()) {
- pPageData->ReleaseFont(pStateData->m_pFont->GetFontDict());
- }
- pStateData->m_pDocument = pFont ? pFont->m_pDocument : NULL;
- pStateData->m_pFont = pFont;
- }
-}
-FX_FLOAT CPDF_TextState::GetFontSizeV() const {
- FX_FLOAT* pMatrix = GetMatrix();
- FX_FLOAT unit = FXSYS_sqrt2(pMatrix[1], pMatrix[3]);
- FX_FLOAT size = 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 = 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_memset(this, 0, sizeof(CPDF_GeneralStateData));
- FXSYS_strcpy((FX_CHAR*)m_BlendMode, "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_memcpy(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(const CFX_ByteStringC& 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(const CFX_ByteStringC& blend_mode) {
- if (blend_mode.GetLength() > 15) {
- return;
- }
- FXSYS_memcpy(m_BlendMode, blend_mode.GetPtr(), 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 = phase * scale;
- pData->SetDashCount(pArray->GetCount());
- for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
- pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale;
- }
-}
-void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS,
- CPDF_StreamContentParser* pParser) {
- CPDF_GeneralStateData* pGeneralState = m_GeneralState.GetModify();
- for (const auto& it : *pGS) {
- const CFX_ByteString& key_str = it.first;
- CPDF_Object* pElement = it.second;
- CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr;
- if (!pObject)
- 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): {
- CPDF_Array* pDash = pObject->AsArray();
- if (!pDash)
- break;
-
- CPDF_Array* pArray = pDash->GetArrayAt(0);
- if (!pArray)
- break;
-
- SetLineDash(pArray, pDash->GetNumberAt(1), 1.0f);
- break;
- }
- case FXBSTR_ID('R', 'I', 0, 0):
- m_GeneralState.SetRenderIntent(pObject->GetString());
- break;
- case FXBSTR_ID('F', 'o', 'n', 't'): {
- CPDF_Array* pFont = pObject->AsArray();
- if (!pFont)
- break;
-
- m_TextState.GetModify()->m_FontSize = pFont->GetNumberAt(1);
- m_TextState.SetFont(pParser->FindFont(pFont->GetStringAt(0)));
- break;
- }
- case FXBSTR_ID('T', 'R', 0, 0):
- if (pGS->KeyExist("TR2")) {
- continue;
- }
- case FXBSTR_ID('T', 'R', '2', 0):
- pGeneralState->m_pTR =
- (pObject && !pObject->IsName()) ? pObject : nullptr;
- break;
- case FXBSTR_ID('B', 'M', 0, 0): {
- CPDF_Array* pArray = pObject->AsArray();
- CFX_ByteString mode =
- pArray ? pArray->GetStringAt(0) : pObject->GetString();
-
- pGeneralState->SetBlendMode(mode);
- if (pGeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) {
- pParser->GetPageObjectHolder()->SetBackgroundAlphaNeeded(TRUE);
- }
- break;
- }
- case FXBSTR_ID('S', 'M', 'a', 's'):
- if (ToDictionary(pObject)) {
- pGeneralState->m_pSoftMask = pObject;
- FXSYS_memcpy(pGeneralState->m_SMaskMatrix,
- &pParser->GetCurStates()->m_CTM, sizeof(CFX_Matrix));
- } else {
- pGeneralState->m_pSoftMask = NULL;
- }
- break;
- case FXBSTR_ID('C', 'A', 0, 0):
- pGeneralState->m_StrokeAlpha = ClipFloat(pObject->GetNumber());
- break;
- case FXBSTR_ID('c', 'a', 0, 0):
- pGeneralState->m_FillAlpha = ClipFloat(pObject->GetNumber());
- break;
- case FXBSTR_ID('O', 'P', 0, 0):
- pGeneralState->m_StrokeOP = pObject->GetInteger();
- if (!pGS->KeyExist("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("BG2")) {
- continue;
- }
- case FXBSTR_ID('B', 'G', '2', 0):
- pGeneralState->m_pBG = pObject;
- break;
- case FXBSTR_ID('U', 'C', 'R', 0):
- if (pGS->KeyExist("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 = ToDictionary(src.m_pParam->Clone());
- } else {
- m_pParam = src.m_pParam;
- }
-}
-CPDF_ContentMarkItem::~CPDF_ContentMarkItem() {
- if (m_ParamType == DirectDict && m_pParam)
- m_pParam->Release();
-}
-FX_BOOL CPDF_ContentMarkItem::HasMCID() const {
- if (m_pParam &&
- (m_ParamType == DirectDict || m_ParamType == PropertiesDict)) {
- return m_pParam->KeyExist("MCID");
- }
- return FALSE;
-}
-
-CPDF_ContentMarkData::CPDF_ContentMarkData(const CPDF_ContentMarkData& src)
- : m_Marks(src.m_Marks) {}
-
-int CPDF_ContentMarkData::CountItems() const {
- return pdfium::CollectionSize<int>(m_Marks);
-}
-
-int CPDF_ContentMarkData::GetMCID() const {
- for (const auto& mark : m_Marks) {
- CPDF_ContentMarkItem::ParamType type = mark.GetParamType();
- if (type == CPDF_ContentMarkItem::PropertiesDict ||
- type == CPDF_ContentMarkItem::DirectDict) {
- CPDF_Dictionary* pDict = mark.GetParam();
- if (pDict->KeyExist("MCID"))
- return pDict->GetIntegerBy("MCID");
- }
- }
- return -1;
-}
-
-void CPDF_ContentMarkData::AddMark(const CFX_ByteString& name,
- CPDF_Dictionary* pDict,
- FX_BOOL bDirect) {
- CPDF_ContentMarkItem item;
- item.SetName(name);
- if (pDict) {
- if (bDirect) {
- item.SetParam(CPDF_ContentMarkItem::DirectDict,
- ToDictionary(pDict->Clone()));
- } else {
- item.SetParam(CPDF_ContentMarkItem::PropertiesDict, pDict);
- }
- }
- m_Marks.push_back(item);
-}
-
-void CPDF_ContentMarkData::DeleteLastMark() {
- if (!m_Marks.empty())
- m_Marks.pop_back();
-}
-
-FX_BOOL CPDF_ContentMark::HasMark(const CFX_ByteStringC& mark) const {
- if (!m_pObject) {
- 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(const CFX_ByteStringC& mark,
- CPDF_Dictionary*& pDict) const {
- if (!m_pObject) {
- 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 = 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
deleted file mode 100644
index b7e3e5e116..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
-
-CPDF_ImageObject::CPDF_ImageObject() : m_pImage(nullptr) {}
-
-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());
- }
-}
-
-CPDF_ImageObject* CPDF_ImageObject::Clone() const {
- CPDF_ImageObject* obj = new CPDF_ImageObject;
- obj->CopyData(this);
-
- obj->m_pImage = m_pImage->Clone();
- obj->m_Matrix = m_Matrix;
- return obj;
-}
-
-void CPDF_ImageObject::Transform(const CFX_Matrix& 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 = new CPDF_Image(m_pDocument);
- pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline);
- if (m_bInline)
- pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE)));
-
- 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) {
- 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 = ToDictionary(pDict->Clone());
- }
- m_pOC = pDict->GetDictBy("OC");
- m_bIsMask =
- !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
- m_bInterpolate = pDict->GetIntegerBy("Interpolate");
- m_Height = pDict->GetIntegerBy("Height");
- m_Width = pDict->GetIntegerBy("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
deleted file mode 100644
index 1b6e5ac965..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ /dev/null
@@ -1,1819 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <vector>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/cpdf_name.h"
-#include "core/include/fpdfapi/cpdf_number.h"
-#include "core/include/fpdfapi/cpdf_reference.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_parser_decode.h"
-#include "core/include/fpdfapi/fpdf_serial.h"
-
-namespace {
-
-const char kPathOperatorSubpath = 'm';
-const char kPathOperatorLine = 'l';
-const char kPathOperatorCubicBezier1 = 'c';
-const char kPathOperatorCubicBezier2 = 'v';
-const char kPathOperatorCubicBezier3 = 'y';
-const char kPathOperatorClosePath = 'h';
-const char kPathOperatorRectangle[] = "re";
-
-struct _FX_BSTR {
- const FX_CHAR* m_Ptr;
- int m_Size;
-};
-#define _FX_BSTRC(str) \
- { str, sizeof(str) - 1 }
-
-struct PDF_AbbrPairs {
- _FX_BSTR full_name;
- _FX_BSTR abbr;
-};
-
-const PDF_AbbrPairs 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 PDF_AbbrPairs 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")},
-};
-
-struct AbbrReplacementOp {
- bool is_replace_key;
- CFX_ByteString key;
- CFX_ByteStringC replacement;
-};
-
-class CPDF_StreamParserAutoClearer {
- public:
- CPDF_StreamParserAutoClearer(CPDF_StreamParser** scoped_variable,
- CPDF_StreamParser* new_parser)
- : scoped_variable_(scoped_variable) {
- *scoped_variable_ = new_parser;
- }
- ~CPDF_StreamParserAutoClearer() { *scoped_variable_ = NULL; }
-
- private:
- CPDF_StreamParser** scoped_variable_;
-};
-
-CFX_ByteStringC PDF_FindFullName(const PDF_AbbrPairs* table,
- size_t count,
- const CFX_ByteStringC& abbr) {
- for (size_t i = 0; i < count; ++i) {
- if (abbr.GetLength() != table[i].abbr.m_Size)
- continue;
- if (memcmp(abbr.GetPtr(), table[i].abbr.m_Ptr, abbr.GetLength()))
- continue;
- return CFX_ByteStringC(table[i].full_name.m_Ptr, table[i].full_name.m_Size);
- }
- return CFX_ByteStringC();
-}
-
-} // namespace
-
-bool IsPathOperator(const uint8_t* buf, size_t len) {
- if (len == 1) {
- uint8_t op = buf[0];
- if (op == kPathOperatorSubpath || op == kPathOperatorLine ||
- op == kPathOperatorCubicBezier1 || op == kPathOperatorCubicBezier2 ||
- op == kPathOperatorCubicBezier3) {
- return true;
- }
- } else if (len == 2) {
- if (buf[0] == kPathOperatorRectangle[0] &&
- buf[1] == kPathOperatorRectangle[1]) {
- return true;
- }
- }
- return false;
-}
-
-CPDF_StreamContentParser::CPDF_StreamContentParser(
- CPDF_Document* pDocument,
- CPDF_Dictionary* pPageResources,
- CPDF_Dictionary* pParentResources,
- CFX_Matrix* pmtContentToUser,
- CPDF_PageObjectHolder* pObjHolder,
- CPDF_Dictionary* pResources,
- CFX_FloatRect* pBBox,
- CPDF_ParseOptions* pOptions,
- CPDF_AllStates* pStates,
- int level)
- : m_pDocument(pDocument),
- m_pPageResources(pPageResources),
- m_pParentResources(pParentResources),
- m_pResources(pResources),
- m_pObjectHolder(pObjHolder),
- m_Level(level),
- m_ParamStartPos(0),
- m_ParamCount(0),
- m_pCurStates(new CPDF_AllStates),
- m_pLastTextObject(nullptr),
- m_DefFontSize(0),
- m_pPathPoints(nullptr),
- m_PathPointCount(0),
- m_PathAllocSize(0),
- m_PathCurrentX(0.0f),
- m_PathCurrentY(0.0f),
- m_PathClipType(0),
- m_pLastImage(nullptr),
- m_pLastImageDict(nullptr),
- m_pLastCloneImageDict(nullptr),
- m_bReleaseLastDict(TRUE),
- m_bColored(FALSE),
- m_bResourceMissing(FALSE) {
- if (pmtContentToUser) {
- m_mtContentToUser = *pmtContentToUser;
- }
- if (pOptions) {
- m_Options = *pOptions;
- }
- if (!m_pResources) {
- m_pResources = m_pParentResources;
- }
- if (!m_pResources) {
- m_pResources = m_pPageResources;
- }
- if (pBBox) {
- m_BBox = *pBBox;
- }
- 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();
- }
- for (size_t i = 0; i < FX_ArraySize(m_Type3Data); ++i) {
- m_Type3Data[i] = 0.0;
- }
-}
-
-CPDF_StreamContentParser::~CPDF_StreamContentParser() {
- ClearAllParams();
- FX_Free(m_pPathPoints);
- if (m_pLastImageDict) {
- m_pLastImageDict->Release();
- }
- if (m_pLastCloneImageDict) {
- m_pLastCloneImageDict->Release();
- }
-}
-
-int CPDF_StreamContentParser::GetNextParamPos() {
- if (m_ParamCount == PARAM_BUF_SIZE) {
- m_ParamStartPos++;
- if (m_ParamStartPos == PARAM_BUF_SIZE) {
- m_ParamStartPos = 0;
- }
- if (m_ParamBuf[m_ParamStartPos].m_Type == 0) {
- if (CPDF_Object* pObject = m_ParamBuf[m_ParamStartPos].m_pObject)
- 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(const FX_CHAR* name, int len) {
- int index = GetNextParamPos();
- if (len > 32) {
- m_ParamBuf[index].m_Type = ContentParam::OBJECT;
- m_ParamBuf[index].m_pObject =
- new CPDF_Name(PDF_NameDecode(CFX_ByteStringC(name, len)));
- } else {
- m_ParamBuf[index].m_Type = ContentParam::NAME;
- if (!FXSYS_memchr(name, '#', len)) {
- FXSYS_memcpy(m_ParamBuf[index].m_Name.m_Buffer, name, len);
- m_ParamBuf[index].m_Name.m_Len = len;
- } else {
- CFX_ByteString str = PDF_NameDecode(CFX_ByteStringC(name, len));
- FXSYS_memcpy(m_ParamBuf[index].m_Name.m_Buffer, str.c_str(),
- str.GetLength());
- m_ParamBuf[index].m_Name.m_Len = str.GetLength();
- }
- }
-}
-
-void CPDF_StreamContentParser::AddNumberParam(const FX_CHAR* str, int len) {
- int index = GetNextParamPos();
- m_ParamBuf[index].m_Type = ContentParam::NUMBER;
- FX_atonum(CFX_ByteStringC(str, len), m_ParamBuf[index].m_Number.m_bInteger,
- &m_ParamBuf[index].m_Number.m_Integer);
-}
-void CPDF_StreamContentParser::AddObjectParam(CPDF_Object* pObj) {
- int index = GetNextParamPos();
- m_ParamBuf[index].m_Type = ContentParam::OBJECT;
- m_ParamBuf[index].m_pObject = pObj;
-}
-void CPDF_StreamContentParser::ClearAllParams() {
- FX_DWORD index = m_ParamStartPos;
- for (FX_DWORD i = 0; i < m_ParamCount; i++) {
- if (m_ParamBuf[index].m_Type == 0) {
- if (CPDF_Object* pObject = m_ParamBuf[index].m_pObject)
- 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_ParamBuf[real_index];
- if (param.m_Type == ContentParam::NUMBER) {
- CPDF_Number* pNumber = param.m_Number.m_bInteger
- ? new CPDF_Number(param.m_Number.m_Integer)
- : new CPDF_Number(param.m_Number.m_Float);
-
- param.m_Type = ContentParam::OBJECT;
- param.m_pObject = pNumber;
- return pNumber;
- }
- if (param.m_Type == ContentParam::NAME) {
- CPDF_Name* pName = new CPDF_Name(
- CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len));
- param.m_Type = ContentParam::OBJECT;
- param.m_pObject = pName;
- return pName;
- }
- if (param.m_Type == ContentParam::OBJECT) {
- 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_ParamBuf[real_index];
- if (param.m_Type == ContentParam::NAME) {
- return CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len);
- }
- if (param.m_Type == 0 && param.m_pObject) {
- 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_ParamBuf[real_index];
- if (param.m_Type == ContentParam::NUMBER) {
- return param.m_Number.m_bInteger ? (FX_FLOAT)param.m_Number.m_Integer
- : param.m_Number.m_Float;
- }
- if (param.m_Type == 0 && param.m_pObject) {
- 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;
- }
-}
-
-// static
-CPDF_StreamContentParser::OpCodes
-CPDF_StreamContentParser::InitializeOpCodes() {
- return 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('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('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},
- });
-}
-
-void CPDF_StreamContentParser::OnOperator(const FX_CHAR* 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++;
- }
-
- static const OpCodes s_OpCodes = InitializeOpCodes();
-
- auto it = s_OpCodes.find(opid);
- if (it != s_OpCodes.end())
- (this->*it->second)();
-}
-
-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) {
- return;
- }
- FX_BOOL bDirect = TRUE;
- if (pProperty->IsName()) {
- pProperty = FindResourceObj("Properties", pProperty->GetString());
- if (!pProperty)
- return;
- bDirect = FALSE;
- }
- if (CPDF_Dictionary* pDict = pProperty->AsDictionary()) {
- m_CurContentMark.GetModify()->AddMark(tag, pDict, bDirect);
- }
-}
-
-void CPDF_StreamContentParser::Handle_BeginImage() {
- FX_FILESIZE savePos = m_pSyntax->GetPos();
- CPDF_Dictionary* pDict = new CPDF_Dictionary;
- 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 != "ID") {
- m_pSyntax->SetPos(savePos);
- pDict->Release();
- return;
- }
- }
- if (type != CPDF_StreamParser::Name) {
- break;
- }
- CFX_ByteString key((const FX_CHAR*)m_pSyntax->GetWordBuf() + 1,
- m_pSyntax->GetWordSize() - 1);
- std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
- m_pSyntax->ReadNextObject());
- if (!key.IsEmpty()) {
- FX_DWORD dwObjNum = pObj ? pObj->GetObjNum() : 0;
- if (dwObjNum)
- pDict->SetAtReference(key, m_pDocument, dwObjNum);
- else
- pDict->SetAt(key, pObj.release());
- }
- }
- PDF_ReplaceAbbr(pDict);
- CPDF_Object* pCSObj = NULL;
- if (pDict->KeyExist("ColorSpace")) {
- pCSObj = pDict->GetElementValue("ColorSpace");
- if (pCSObj->IsName()) {
- CFX_ByteString name = pCSObj->GetString();
- if (name != "DeviceRGB" && name != "DeviceGray" && name != "DeviceCMYK") {
- pCSObj = FindResourceObj("ColorSpace", name);
- if (pCSObj && !pCSObj->GetObjNum()) {
- pCSObj = pCSObj->Clone();
- pDict->SetAt("ColorSpace", pCSObj);
- }
- }
- }
- }
- 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("Subtype", "Image");
- CPDF_ImageObject* pImgObj = AddImage(pStream, NULL, TRUE);
- if (!pImgObj) {
- if (pStream) {
- pStream->Release();
- } else {
- pDict->Release();
- }
- }
-}
-
-void CPDF_StreamContentParser::Handle_BeginMarkedContent() {
- if (!m_Options.m_bMarkedContent) {
- return;
- }
- CFX_ByteString tag = GetString(0);
- m_CurContentMark.GetModify()->AddMark(tag, NULL, FALSE);
-}
-
-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_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);
- CFX_Matrix new_matrix(a2, b2, c2, d2, e2, f2);
- new_matrix.Concat(m_pCurStates->m_CTM);
- m_pCurStates->m_CTM = new_matrix;
- 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) {
- 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) {
- 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) ? GetObject(1)->GetArray() : NULL;
- if (!pArray) {
- 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()) {
- AddImage(nullptr, m_pLastImage, FALSE);
- return;
- }
-
- if (m_Options.m_bTextOnly) {
- if (!m_pResources)
- return;
-
- CPDF_Dictionary* pList = m_pResources->GetDictBy("XObject");
- if (!pList && m_pPageResources && m_pResources != m_pPageResources)
- pList = m_pPageResources->GetDictBy("XObject");
- if (!pList)
- return;
- CPDF_Reference* pRes = ToReference(pList->GetElement(name));
- if (!pRes)
- return;
-
- FX_BOOL bForm;
- if (m_pDocument->IsFormStream(pRes->GetRefObjNum(), bForm) && !bForm)
- return;
- }
-
- CPDF_Stream* pXObject = ToStream(FindResourceObj("XObject", name));
- if (!pXObject) {
- m_bResourceMissing = TRUE;
- return;
- }
-
- CFX_ByteStringC type = pXObject->GetDict()
- ? pXObject->GetDict()->GetConstStringBy("Subtype")
- : CFX_ByteStringC();
- if (type == "Image") {
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_ImageObject* pObj = AddImage(pXObject, NULL, FALSE);
- m_LastImageName = name;
- m_pLastImage = pObj->m_pImage;
- if (!m_pObjectHolder->HasImageMask())
- m_pObjectHolder->SetHasImageMask(m_pLastImage->IsMask());
- } else if (type == "Form") {
- AddForm(pXObject);
- } else {
- return;
- }
-}
-
-void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) {
- if (!m_Options.m_bSeparateForm) {
- CPDF_Dictionary* pResources = pStream->GetDict()->GetDictBy("Resources");
- CFX_Matrix form_matrix = pStream->GetDict()->GetMatrixBy("Matrix");
- form_matrix.Concat(m_pCurStates->m_CTM);
- CPDF_Array* pBBox = pStream->GetDict()->GetArrayBy("BBox");
- CFX_FloatRect form_bbox;
- CPDF_Path ClipPath;
- if (pBBox) {
- form_bbox = pStream->GetDict()->GetRectBy("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(m_pDocument, m_pPageResources, m_pResources,
- &m_mtContentToUser, m_pObjectHolder,
- pResources, &form_bbox, &m_Options,
- m_pCurStates.get(), 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;
- }
- parser.Parse(stream.GetData(), stream.GetSize(), 0);
- return;
- }
- std::unique_ptr<CPDF_FormObject> pFormObj(new CPDF_FormObject);
- pFormObj->m_pForm =
- 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_pObjectHolder->BackgroundAlphaNeeded() &&
- pFormObj->m_pForm->BackgroundAlphaNeeded()) {
- m_pObjectHolder->SetBackgroundAlphaNeeded(TRUE);
- }
- pFormObj->CalcBoundingBox();
- SetGraphicStates(pFormObj.get(), TRUE, TRUE, TRUE);
- m_pObjectHolder->GetPageObjectList()->push_back(std::move(pFormObj));
-}
-
-CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream,
- CPDF_Image* pImage,
- FX_BOOL bInline) {
- if (!pStream && !pImage) {
- return NULL;
- }
- CFX_Matrix ImageMatrix;
- ImageMatrix.Copy(m_pCurStates->m_CTM);
- ImageMatrix.Concat(m_mtContentToUser);
-
- std::unique_ptr<CPDF_ImageObject> pImageObj(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 = new CPDF_Image(m_pDocument);
- pImageObj->m_pImage->LoadImageF(pStream, bInline);
- }
- SetGraphicStates(pImageObj.get(), pImageObj->m_pImage->IsMask(), FALSE,
- FALSE);
- pImageObj->m_Matrix = ImageMatrix;
- pImageObj->CalcBoundingBox();
- CPDF_ImageObject* pRet = pImageObj.get();
- m_pObjectHolder->GetPageObjectList()->push_back(std::move(pImageObj));
- return pRet;
-}
-
-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++) {
- delete m_ClipTextList.GetAt(i);
- }
- } else {
- m_pCurStates->m_ClipPath.AppendTexts(m_ClipTextList.GetData(), count);
- }
- m_ClipTextList.RemoveAll();
-}
-
-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 = ToDictionary(FindResourceObj("ExtGState", name));
- if (!pGS) {
- 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() {
- m_pCurStates->m_GeneralState.GetModify()->m_Flatness = GetNumber(0);
-}
-
-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() {
- if (m_ParamCount != 4)
- return;
-
- 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() {
- if (m_ParamCount != 4)
- return;
-
- 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() {
- if (m_ParamCount != 2)
- return;
-
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_LINETO);
-}
-
-void CPDF_StreamContentParser::Handle_MoveTo() {
- if (m_ParamCount != 2)
- return;
-
- if (m_Options.m_bTextOnly) {
- m_pSyntax->SkipPathObject();
- return;
- }
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_MOVETO);
- ParsePathObject();
-}
-
-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() {
- std::unique_ptr<CPDF_AllStates> pStates(new CPDF_AllStates);
- pStates->Copy(*m_pCurStates);
- m_StateStack.push_back(std::move(pStates));
-}
-
-void CPDF_StreamContentParser::Handle_RestoreGraphState() {
- if (m_StateStack.empty())
- return;
- std::unique_ptr<CPDF_AllStates> pStates = std::move(m_StateStack.back());
- m_StateStack.pop_back();
- m_pCurStates->Copy(*pStates);
-}
-
-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() {
- if (m_ParamCount != 3)
- return;
-
- 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() {
- if (m_ParamCount != 3)
- return;
-
- 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) {
- return;
- }
- int nargs = m_ParamCount;
- int nvalues = nargs;
- if (pLastParam->IsName()) {
- 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);
- }
- FX_Free(values);
-}
-
-void CPDF_StreamContentParser::Handle_SetColorPS_Stroke() {
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_Object* pLastParam = GetObject(0);
- if (!pLastParam) {
- return;
- }
- int nargs = m_ParamCount;
- int nvalues = nargs;
- if (pLastParam->IsName())
- 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);
- }
- FX_Free(values);
-}
-
-CFX_FloatRect GetShadingBBox(CPDF_Stream* pStream,
- ShadingType type,
- const CFX_Matrix* 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) {
- return;
- }
- if (pPattern->m_PatternType != CPDF_Pattern::SHADING) {
- return;
- }
- CPDF_ShadingPattern* pShading = static_cast<CPDF_ShadingPattern*>(pPattern);
- if (!pShading->m_bShadingObj) {
- return;
- }
- if (!pShading->Load()) {
- return;
- }
- std::unique_ptr<CPDF_ShadingObject> pObj(new CPDF_ShadingObject);
- pObj->m_pShading = pShading;
- SetGraphicStates(pObj.get(), 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->IsMeshShading()) {
- bbox.Intersect(GetShadingBBox(ToStream(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_pObjectHolder->GetPageObjectList()->push_back(std::move(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(
- const CFX_ByteStringC& type,
- const CFX_ByteString& name) {
- if (!m_pResources) {
- return NULL;
- }
- if (m_pResources == m_pPageResources) {
- CPDF_Dictionary* pList = m_pResources->GetDictBy(type);
- if (!pList) {
- return NULL;
- }
- CPDF_Object* pRes = pList->GetElementValue(name);
- return pRes;
- }
- CPDF_Dictionary* pList = m_pResources->GetDictBy(type);
- if (!pList) {
- if (!m_pPageResources) {
- return NULL;
- }
- CPDF_Dictionary* pList = m_pPageResources->GetDictBy(type);
- if (!pList) {
- 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 = ToDictionary(FindResourceObj("Font", name));
- if (!pFontDict) {
- m_bResourceMissing = TRUE;
- return CPDF_Font::GetStockFont(m_pDocument, "Helvetica");
- }
-
- CPDF_Font* pFont = m_pDocument->LoadFont(pFontDict);
- if (pFont && pFont->IsType3Font()) {
- pFont->AsType3Font()->SetPageResources(m_pResources);
- pFont->AsType3Font()->CheckType3FontMetrics();
- }
- return pFont;
-}
-
-CPDF_ColorSpace* CPDF_StreamContentParser::FindColorSpace(
- const CFX_ByteString& name) {
- if (name == "Pattern") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
- }
- if (name == "DeviceGray" || name == "DeviceCMYK" || name == "DeviceRGB") {
- CFX_ByteString defname = "Default";
- defname += name.Mid(7);
- CPDF_Object* pDefObj = FindResourceObj("ColorSpace", defname);
- if (!pDefObj) {
- if (name == "DeviceGray") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- }
- if (name == "DeviceRGB") {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- }
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- }
- return m_pDocument->LoadColorSpace(pDefObj);
- }
- CPDF_Object* pCSObj = FindResourceObj("ColorSpace", name);
- if (!pCSObj) {
- 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 ? "Shading" : "Pattern", name);
- if (!pPattern || (!pPattern->IsDictionary() && !pPattern->IsStream())) {
- 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) {
- return;
- }
- if (fInitKerning != 0) {
- if (!pFont->IsVertWriting()) {
- m_pCurStates->m_TextX -=
- (fInitKerning * m_pCurStates->m_TextState.GetFontSize()) / 1000;
- } else {
- m_pCurStates->m_TextY -=
- (fInitKerning * m_pCurStates->m_TextState.GetFontSize()) / 1000;
- }
- }
- if (nsegs == 0) {
- return;
- }
- int textmode;
- if (pFont->IsType3Font()) {
- textmode = 0;
- } else {
- textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
- }
- {
- std::unique_ptr<CPDF_TextObject> pText(new CPDF_TextObject);
- m_pLastTextObject = pText.get();
- SetGraphicStates(m_pLastTextObject, 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;
- FX_FLOAT 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)
- m_ClipTextList.Add(pText->Clone());
- m_pObjectHolder->GetPageObjectList()->push_back(std::move(pText));
- }
- if (pKerning && pKerning[nsegs - 1] != 0) {
- if (!pFont->IsVertWriting()) {
- m_pCurStates->m_TextX -=
- (pKerning[nsegs - 1] * m_pCurStates->m_TextState.GetFontSize()) /
- 1000;
- } else {
- m_pCurStates->m_TextY -=
- (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) ? GetObject(0)->GetArray() : NULL;
- if (!pArray) {
- return;
- }
- int n = pArray->GetCount();
- int nsegs = 0;
- for (int i = 0; i < n; i++) {
- if (pArray->GetElementValue(i)->IsString())
- nsegs++;
- }
- if (nsegs == 0) {
- for (int i = 0; i < n; i++) {
- m_pCurStates->m_TextX -=
- (pArray->GetNumberAt(i) * m_pCurStates->m_TextState.GetFontSize()) /
- 1000;
- }
- return;
- }
- CFX_ByteString* pStrs = new CFX_ByteString[nsegs];
- FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
- int iSegment = 0;
- FX_FLOAT fInitKerning = 0;
- for (int i = 0; i < n; i++) {
- CPDF_Object* pObj = pArray->GetElementValue(i);
- if (pObj->IsString()) {
- CFX_ByteString str = pObj->GetString();
- if (str.IsEmpty()) {
- continue;
- }
- pStrs[iSegment] = str;
- pKerning[iSegment++] = 0;
- } else {
- FX_FLOAT num = pObj ? pObj->GetNumber() : 0;
- if (iSegment == 0) {
- fInitKerning += num;
- } else {
- pKerning[iSegment - 1] += num;
- }
- }
- }
- AddTextObject(pStrs, fInitKerning, pKerning, iSegment);
- delete[] pStrs;
- 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_Matrix 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_memcpy(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_memcpy(pPathData->GetPoints(), m_pPathPoints,
- sizeof(FX_PATHPOINT) * PathPointCount);
- CFX_Matrix matrix = m_pCurStates->m_CTM;
- matrix.Concat(m_mtContentToUser);
- if (bStroke || FillType) {
- std::unique_ptr<CPDF_PathObject> pPathObj(new CPDF_PathObject);
- pPathObj->m_bStroke = bStroke;
- pPathObj->m_FillType = FillType;
- pPathObj->m_Path = Path;
- pPathObj->m_Matrix = matrix;
- SetGraphicStates(pPathObj.get(), TRUE, FALSE, TRUE);
- pPathObj->CalcBoundingBox();
- m_pObjectHolder->GetPageObjectList()->push_back(std::move(pPathObj));
- }
- if (PathClipType) {
- if (!matrix.IsIdentity()) {
- Path.Transform(&matrix);
- matrix.SetIdentity();
- }
- m_pCurStates->m_ClipPath.AppendPath(Path, PathClipType, TRUE);
- }
-}
-
-FX_DWORD CPDF_StreamContentParser::Parse(const uint8_t* pData,
- FX_DWORD dwSize,
- FX_DWORD max_cost) {
- if (m_Level > _FPDF_MAX_FORM_LEVEL_) {
- return dwSize;
- }
- FX_DWORD InitObjCount = m_pObjectHolder->GetPageObjectList()->size();
- CPDF_StreamParser syntax(pData, dwSize);
- CPDF_StreamParserAutoClearer auto_clearer(&m_pSyntax, &syntax);
- while (1) {
- FX_DWORD cost = m_pObjectHolder->GetPageObjectList()->size() - InitObjCount;
- if (max_cost && cost >= max_cost) {
- break;
- }
- switch (syntax.ParseNextElement()) {
- case CPDF_StreamParser::EndOfData:
- return m_pSyntax->GetPos();
- case CPDF_StreamParser::Keyword:
- OnOperator((char*)syntax.GetWordBuf());
- ClearAllParams();
- break;
- case CPDF_StreamParser::Number:
- AddNumberParam((char*)syntax.GetWordBuf(), syntax.GetWordSize());
- break;
- case CPDF_StreamParser::Name:
- AddNameParam((const FX_CHAR*)syntax.GetWordBuf() + 1,
- syntax.GetWordSize() - 1);
- break;
- default:
- AddObjectParam(syntax.GetObject());
- }
- }
- return m_pSyntax->GetPos();
-}
-
-void CPDF_StreamContentParser::ParsePathObject() {
- FX_FLOAT params[6] = {};
- 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 kPathOperatorSubpath:
- AddPathPoint(params[0], params[1], FXPT_MOVETO);
- nParams = 0;
- break;
- case kPathOperatorLine:
- AddPathPoint(params[0], params[1], FXPT_LINETO);
- nParams = 0;
- break;
- case kPathOperatorCubicBezier1:
- 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 kPathOperatorCubicBezier2:
- 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 kPathOperatorCubicBezier3:
- 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 kPathOperatorClosePath:
- Handle_ClosePath();
- nParams = 0;
- break;
- default:
- bProcessed = FALSE;
- break;
- }
- } else if (len == 2) {
- if (m_pSyntax->GetWordBuf()[0] == kPathOperatorRectangle[0] &&
- m_pSyntax->GetWordBuf()[1] == kPathOperatorRectangle[1]) {
- 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;
- }
- }
-}
-
-void PDF_ReplaceAbbr(CPDF_Object* pObj) {
- switch (pObj->GetType()) {
- case CPDF_Object::DICTIONARY: {
- CPDF_Dictionary* pDict = pObj->AsDictionary();
- std::vector<AbbrReplacementOp> replacements;
- for (const auto& it : *pDict) {
- CFX_ByteString key = it.first;
- CPDF_Object* value = it.second;
- CFX_ByteStringC fullname = PDF_FindFullName(
- PDF_InlineKeyAbbr, FX_ArraySize(PDF_InlineKeyAbbr), key);
- if (!fullname.IsEmpty()) {
- AbbrReplacementOp op;
- op.is_replace_key = true;
- op.key = key;
- op.replacement = fullname;
- replacements.push_back(op);
- key = fullname;
- }
-
- if (value->IsName()) {
- CFX_ByteString name = value->GetString();
- fullname = PDF_FindFullName(PDF_InlineValueAbbr,
- FX_ArraySize(PDF_InlineValueAbbr), name);
- if (!fullname.IsEmpty()) {
- AbbrReplacementOp op;
- op.is_replace_key = false;
- op.key = key;
- op.replacement = fullname;
- replacements.push_back(op);
- }
- } else {
- PDF_ReplaceAbbr(value);
- }
- }
- for (const auto& op : replacements) {
- if (op.is_replace_key)
- pDict->ReplaceKey(op.key, op.replacement);
- else
- pDict->SetAtName(op.key, op.replacement);
- }
- break;
- }
- case CPDF_Object::ARRAY: {
- CPDF_Array* pArray = pObj->AsArray();
- for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
- CPDF_Object* pElement = pArray->GetElement(i);
- if (pElement->IsName()) {
- CFX_ByteString name = pElement->GetString();
- CFX_ByteStringC fullname = PDF_FindFullName(
- PDF_InlineValueAbbr, FX_ArraySize(PDF_InlineValueAbbr), name);
- if (!fullname.IsEmpty()) {
- pArray->SetAt(i, new CPDF_Name(fullname));
- }
- } else {
- PDF_ReplaceAbbr(pElement);
- }
- }
- break;
- }
- default:
- break;
- }
-}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
deleted file mode 100644
index feb2cde346..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ /dev/null
@@ -1,888 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <limits.h>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_boolean.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/cpdf_name.h"
-#include "core/include/fpdfapi/cpdf_null.h"
-#include "core/include/fpdfapi/cpdf_number.h"
-#include "core/include/fpdfapi/cpdf_string.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_parser_decode.h"
-#include "core/include/fxcodec/fx_codec.h"
-#include "core/include/fxcrt/fx_ext.h"
-#include "core/include/fxcrt/fx_safe_types.h"
-#include "core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.h"
-
-CPDF_StreamParser::CPDF_StreamParser(const uint8_t* 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,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- if (!pDecoder) {
- 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_buf = FX_Alloc2D(uint8_t, pitch, height);
- dest_size = pitch * height; // Safe since checked alloc returned.
- for (int row = 0; row < height; row++) {
- const uint8_t* pLine = pDecoder->GetScanline(row);
- if (!pLine)
- break;
-
- FXSYS_memcpy(dest_buf + row * pitch, pLine, pitch);
- }
- FX_DWORD srcoff = pDecoder->GetSrcOffset();
- delete pDecoder;
- return srcoff;
-}
-
-ICodec_ScanlineDecoder* FPDFAPI_CreateFaxDecoder(
- const uint8_t* src_buf,
- FX_DWORD src_size,
- int width,
- int height,
- const CPDF_Dictionary* pParams);
-
-FX_DWORD PDF_DecodeInlineStream(const uint8_t* src_buf,
- FX_DWORD limit,
- int width,
- int height,
- CFX_ByteString& decoder,
- CPDF_Dictionary* pParam,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- if (decoder == "CCITTFaxDecode" || decoder == "CCF") {
- ICodec_ScanlineDecoder* pDecoder =
- FPDFAPI_CreateFaxDecoder(src_buf, limit, width, height, pParam);
- return _DecodeAllScanlines(pDecoder, dest_buf, dest_size);
- }
- if (decoder == "ASCII85Decode" || decoder == "A85") {
- return A85Decode(src_buf, limit, dest_buf, dest_size);
- }
- if (decoder == "ASCIIHexDecode" || decoder == "AHx") {
- return HexDecode(src_buf, limit, dest_buf, dest_size);
- }
- if (decoder == "FlateDecode" || decoder == "Fl") {
- return FPDFAPI_FlateOrLZWDecode(FALSE, src_buf, limit, pParam, dest_size,
- dest_buf, dest_size);
- }
- if (decoder == "LZWDecode" || decoder == "LZW") {
- return FPDFAPI_FlateOrLZWDecode(TRUE, src_buf, limit, pParam, 0, dest_buf,
- dest_size);
- }
- if (decoder == "DCTDecode" || decoder == "DCT") {
- ICodec_ScanlineDecoder* pDecoder =
- CPDF_ModuleMgr::Get()->GetJpegModule()->CreateDecoder(
- src_buf, limit, width, height, 0,
- pParam ? pParam->GetIntegerBy("ColorTransform", 1) : 1);
- return _DecodeAllScanlines(pDecoder, dest_buf, dest_size);
- }
- if (decoder == "RunLengthDecode" || decoder == "RL") {
- return RunLengthDecode(src_buf, limit, dest_buf, dest_size);
- }
- dest_size = 0;
- dest_buf = 0;
- return (FX_DWORD)-1;
-}
-
-CPDF_Stream* CPDF_StreamParser::ReadInlineStream(CPDF_Document* pDoc,
- CPDF_Dictionary* pDict,
- CPDF_Object* pCSObj,
- FX_BOOL bDecode) {
- if (m_Pos == m_Size)
- return nullptr;
-
- if (PDFCharIsWhitespace(m_pBuf[m_Pos]))
- m_Pos++;
-
- CFX_ByteString Decoder;
- CPDF_Dictionary* pParam = nullptr;
- CPDF_Object* pFilter = pDict->GetElementValue("Filter");
- if (pFilter) {
- if (CPDF_Array* pArray = pFilter->AsArray()) {
- Decoder = pArray->GetStringAt(0);
- CPDF_Array* pParams = pDict->GetArrayBy("DecodeParms");
- if (pParams)
- pParam = pParams->GetDictAt(0);
- } else {
- Decoder = pFilter->GetString();
- pParam = pDict->GetDictBy("DecodeParms");
- }
- }
- FX_DWORD width = pDict->GetIntegerBy("Width");
- FX_DWORD height = pDict->GetIntegerBy("Height");
- FX_DWORD OrigSize = 0;
- if (pCSObj) {
- FX_DWORD bpc = pDict->GetIntegerBy("BitsPerComponent");
- FX_DWORD nComponents = 1;
- CPDF_ColorSpace* pCS = pDoc->LoadColorSpace(pCSObj);
- if (!pCS) {
- 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;
- uint8_t* pData = NULL;
- FX_DWORD dwStreamSize;
- if (Decoder.IsEmpty()) {
- if (OrigSize > m_Size - m_Pos) {
- OrigSize = m_Size - m_Pos;
- }
- pData = FX_Alloc(uint8_t, OrigSize);
- FXSYS_memcpy(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) {
- FX_Free(pData);
- return NULL;
- }
- if (bDecode) {
- m_Pos += dwStreamSize;
- dwStreamSize = dwDestSize;
- if (CPDF_Array* pArray = pFilter->AsArray()) {
- pArray->RemoveAt(0);
- CPDF_Array* pParams = pDict->GetArrayBy("DecodeParms");
- if (pParams)
- pParams->RemoveAt(0);
- } else {
- pDict->RemoveAt("Filter");
- pDict->RemoveAt("DecodeParms");
- }
- } else {
- 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(uint8_t, dwStreamSize);
- FXSYS_memcpy(pData, m_pBuf + m_Pos, dwStreamSize);
- m_Pos += dwStreamSize;
- }
- }
- pDict->SetAtInteger("Length", (int)dwStreamSize);
- return new CPDF_Stream(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 = nullptr;
- }
-
- m_WordSize = 0;
- FX_BOOL bIsNumber = TRUE;
- if (!PositionIsInBounds())
- return EndOfData;
-
- int ch = m_pBuf[m_Pos++];
- while (1) {
- while (PDFCharIsWhitespace(ch)) {
- if (!PositionIsInBounds())
- return EndOfData;
-
- ch = m_pBuf[m_Pos++];
- }
-
- if (ch != '%')
- break;
-
- while (1) {
- if (!PositionIsInBounds())
- return EndOfData;
-
- ch = m_pBuf[m_Pos++];
- if (PDFCharIsLineEnding(ch))
- break;
- }
- }
-
- if (PDFCharIsDelimiter(ch) && ch != '/') {
- m_Pos--;
- m_pLastObj = ReadNextObject();
- return Others;
- }
-
- while (1) {
- if (m_WordSize < MAX_WORD_BUFFER)
- m_WordBuffer[m_WordSize++] = ch;
-
- if (!PDFCharIsNumeric(ch))
- bIsNumber = FALSE;
-
- if (!PositionIsInBounds())
- break;
-
- ch = m_pBuf[m_Pos++];
-
- if (PDFCharIsDelimiter(ch) || PDFCharIsWhitespace(ch)) {
- 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 = new CPDF_Boolean(TRUE);
- return Others;
- }
- if (*(FX_DWORD*)m_WordBuffer == FXDWORD_NULL) {
- m_pLastObj = new CPDF_Null;
- return Others;
- }
- } else if (m_WordSize == 5) {
- if (*(FX_DWORD*)m_WordBuffer == FXDWORD_FALS && m_WordBuffer[4] == 'e') {
- m_pLastObj = new CPDF_Boolean(FALSE);
- return Others;
- }
- }
- return Keyword;
-}
-
-void CPDF_StreamParser::SkipPathObject() {
- FX_DWORD command_startpos = m_Pos;
- if (!PositionIsInBounds())
- return;
-
- int ch = m_pBuf[m_Pos++];
- while (1) {
- while (PDFCharIsWhitespace(ch)) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- }
-
- if (!PDFCharIsNumeric(ch)) {
- m_Pos = command_startpos;
- return;
- }
-
- while (1) {
- while (!PDFCharIsWhitespace(ch)) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- }
-
- while (PDFCharIsWhitespace(ch)) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- }
-
- if (PDFCharIsNumeric(ch))
- continue;
-
- FX_DWORD op_startpos = m_Pos - 1;
- while (!PDFCharIsWhitespace(ch) && !PDFCharIsDelimiter(ch)) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- }
-
- if (IsPathOperator(&m_pBuf[op_startpos], m_Pos - 1 - op_startpos)) {
- 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 new CPDF_Number(CFX_ByteStringC(m_WordBuffer, m_WordSize));
- }
- int first_char = m_WordBuffer[0];
- if (first_char == '/') {
- return new CPDF_Name(
- PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1)));
- }
- if (first_char == '(') {
- return new CPDF_String(ReadString(), FALSE);
- }
- if (first_char == '<') {
- if (m_WordSize == 1) {
- return new CPDF_String(ReadHexString(), TRUE);
- }
- CPDF_Dictionary* pDict = new CPDF_Dictionary;
- while (1) {
- GetNextWord(bIsNumber);
- if (m_WordSize == 0) {
- pDict->Release();
- return nullptr;
- }
- if (m_WordSize == 2 && m_WordBuffer[0] == '>') {
- break;
- }
- if (m_WordBuffer[0] != '/') {
- pDict->Release();
- return nullptr;
- }
- CFX_ByteString key =
- PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1));
- CPDF_Object* pObj = ReadNextObject(TRUE);
- if (!pObj) {
- pDict->Release();
- return nullptr;
- }
- if (!key.IsEmpty()) {
- pDict->SetAt(key, pObj);
- } else {
- pObj->Release();
- }
- }
- return pDict;
- }
- if (first_char == '[') {
- if (!bAllowNestedArray && bInArray) {
- return NULL;
- }
- CPDF_Array* pArray = new CPDF_Array;
- while (1) {
- CPDF_Object* pObj = ReadNextObject(bAllowNestedArray, TRUE);
- if (pObj) {
- pArray->Add(pObj);
- continue;
- }
-
- if (m_WordSize == 0 || m_WordBuffer[0] == ']')
- break;
- }
- return pArray;
- }
- if (m_WordSize == 4) {
- if (*(FX_DWORD*)m_WordBuffer == FXDWORD_TRUE) {
- return new CPDF_Boolean(TRUE);
- }
- if (*(FX_DWORD*)m_WordBuffer == FXDWORD_NULL) {
- return new CPDF_Null;
- }
- } else if (m_WordSize == 5) {
- if (*(FX_DWORD*)m_WordBuffer == FXDWORD_FALS && m_WordBuffer[4] == 'e') {
- return new CPDF_Boolean(FALSE);
- }
- }
- return NULL;
-}
-
-void CPDF_StreamParser::GetNextWord(FX_BOOL& bIsNumber) {
- m_WordSize = 0;
- bIsNumber = TRUE;
- if (!PositionIsInBounds())
- return;
-
- int ch = m_pBuf[m_Pos++];
- while (1) {
- while (PDFCharIsWhitespace(ch)) {
- if (!PositionIsInBounds()) {
- return;
- }
- ch = m_pBuf[m_Pos++];
- }
-
- if (ch != '%')
- break;
-
- while (1) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- if (PDFCharIsLineEnding(ch))
- break;
- }
- }
-
- if (PDFCharIsDelimiter(ch)) {
- bIsNumber = FALSE;
- m_WordBuffer[m_WordSize++] = ch;
- if (ch == '/') {
- while (1) {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- if (!PDFCharIsOther(ch) && !PDFCharIsNumeric(ch)) {
- m_Pos--;
- return;
- }
-
- if (m_WordSize < MAX_WORD_BUFFER)
- m_WordBuffer[m_WordSize++] = ch;
- }
- } else if (ch == '<') {
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- if (ch == '<')
- m_WordBuffer[m_WordSize++] = ch;
- else
- m_Pos--;
- } else if (ch == '>') {
- if (!PositionIsInBounds())
- 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 (!PDFCharIsNumeric(ch))
- bIsNumber = FALSE;
-
- if (!PositionIsInBounds())
- return;
- ch = m_pBuf[m_Pos++];
- if (PDFCharIsDelimiter(ch) || PDFCharIsWhitespace(ch)) {
- m_Pos--;
- break;
- }
- }
-}
-
-CFX_ByteString CPDF_StreamParser::ReadString() {
- if (!PositionIsInBounds())
- return CFX_ByteString();
-
- uint8_t ch = m_pBuf[m_Pos++];
- CFX_ByteTextBuf buf;
- int parlevel = 0;
- int status = 0;
- int 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 = FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(ch));
- 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 + FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(ch));
- status = 3;
- } else {
- buf.AppendChar(iEscCode);
- status = 0;
- continue;
- }
- break;
- case 3:
- if (ch >= '0' && ch <= '7') {
- iEscCode =
- iEscCode * 8 + FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(ch));
- buf.AppendChar(iEscCode);
- status = 0;
- } else {
- buf.AppendChar(iEscCode);
- status = 0;
- continue;
- }
- break;
- case 4:
- status = 0;
- if (ch != '\n') {
- continue;
- }
- break;
- }
- if (!PositionIsInBounds())
- break;
-
- ch = m_pBuf[m_Pos++];
- }
- if (PositionIsInBounds())
- ++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 (!PositionIsInBounds())
- return CFX_ByteString();
-
- CFX_ByteTextBuf buf;
- bool bFirst = true;
- int code = 0;
- while (PositionIsInBounds()) {
- int ch = m_pBuf[m_Pos++];
-
- if (ch == '>')
- break;
-
- if (!std::isxdigit(ch))
- continue;
-
- int val = FXSYS_toHexDigit(ch);
- if (bFirst) {
- code = val * 16;
- } else {
- code += val;
- buf.AppendByte((uint8_t)code);
- }
- bFirst = !bFirst;
- }
- if (!bFirst)
- buf.AppendChar((char)code);
-
- if (buf.GetLength() > MAX_STRING_LENGTH)
- return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
-
- return buf.GetByteString();
-}
-
-bool CPDF_StreamParser::PositionIsInBounds() const {
- return m_Pos < m_Size;
-}
-
-CPDF_ContentParser::CPDF_ContentParser()
- : m_Status(Ready),
- m_InternalStage(STAGE_GETCONTENT),
- m_pObjectHolder(nullptr),
- m_bForm(false),
- m_pType3Char(nullptr),
- m_pData(nullptr),
- m_Size(0),
- m_CurrentOffset(0) {}
-
-CPDF_ContentParser::~CPDF_ContentParser() {
- if (!m_pSingleStream)
- FX_Free(m_pData);
-}
-
-void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions) {
- if (m_Status != Ready || !pPage || !pPage->m_pDocument ||
- !pPage->m_pFormDict) {
- m_Status = Done;
- return;
- }
- m_pObjectHolder = pPage;
- m_bForm = FALSE;
- if (pOptions) {
- m_Options = *pOptions;
- }
- m_Status = ToBeContinued;
- m_InternalStage = STAGE_GETCONTENT;
- m_CurrentOffset = 0;
-
- CPDF_Object* pContent = pPage->m_pFormDict->GetElementValue("Contents");
- if (!pContent) {
- m_Status = Done;
- return;
- }
- if (CPDF_Stream* pStream = pContent->AsStream()) {
- m_nStreams = 0;
- m_pSingleStream.reset(new CPDF_StreamAcc);
- m_pSingleStream->LoadAllData(pStream, FALSE);
- } else if (CPDF_Array* pArray = pContent->AsArray()) {
- m_nStreams = pArray->GetCount();
- if (m_nStreams)
- m_StreamArray.resize(m_nStreams);
- else
- m_Status = Done;
- } else {
- m_Status = Done;
- }
-}
-
-void CPDF_ContentParser::Start(CPDF_Form* pForm,
- CPDF_AllStates* pGraphicStates,
- CFX_Matrix* pParentMatrix,
- CPDF_Type3Char* pType3Char,
- CPDF_ParseOptions* pOptions,
- int level) {
- m_pType3Char = pType3Char;
- m_pObjectHolder = pForm;
- m_bForm = TRUE;
- CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix");
- if (pGraphicStates) {
- form_matrix.Concat(pGraphicStates->m_CTM);
- }
- CPDF_Array* pBBox = pForm->m_pFormDict->GetArrayBy("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->GetDictBy("Resources");
- m_pParser.reset(new CPDF_StreamContentParser(
- pForm->m_pDocument, pForm->m_pPageResources, pForm->m_pResources,
- pParentMatrix, pForm, pResources, &form_bbox, pOptions, pGraphicStates,
- level));
- m_pParser->GetCurStates()->m_CTM = form_matrix;
- m_pParser->GetCurStates()->m_ParentMatrix = form_matrix;
- if (ClipPath.NotNull()) {
- m_pParser->GetCurStates()->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING,
- TRUE);
- }
- if (pForm->m_Transparency & PDFTRANS_GROUP) {
- CPDF_GeneralStateData* pData =
- m_pParser->GetCurStates()->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.reset(new CPDF_StreamAcc);
- m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
- m_pData = (uint8_t*)m_pSingleStream->GetData();
- m_Size = m_pSingleStream->GetSize();
- m_Status = ToBeContinued;
- m_InternalStage = STAGE_PARSE;
- m_CurrentOffset = 0;
-}
-
-void CPDF_ContentParser::Continue(IFX_Pause* pPause) {
- int steps = 0;
- while (m_Status == ToBeContinued) {
- if (m_InternalStage == STAGE_GETCONTENT) {
- if (m_CurrentOffset == m_nStreams) {
- if (!m_StreamArray.empty()) {
- FX_SAFE_DWORD safeSize = 0;
- for (const auto& stream : m_StreamArray) {
- safeSize += stream->GetSize();
- safeSize += 1;
- }
- if (!safeSize.IsValid()) {
- m_Status = Done;
- return;
- }
- m_Size = safeSize.ValueOrDie();
- m_pData = FX_Alloc(uint8_t, m_Size);
- FX_DWORD pos = 0;
- for (const auto& stream : m_StreamArray) {
- FXSYS_memcpy(m_pData + pos, stream->GetData(), stream->GetSize());
- pos += stream->GetSize();
- m_pData[pos++] = ' ';
- }
- m_StreamArray.clear();
- } else {
- m_pData = (uint8_t*)m_pSingleStream->GetData();
- m_Size = m_pSingleStream->GetSize();
- }
- m_InternalStage = STAGE_PARSE;
- m_CurrentOffset = 0;
- } else {
- CPDF_Array* pContent =
- m_pObjectHolder->m_pFormDict->GetArrayBy("Contents");
- m_StreamArray[m_CurrentOffset].reset(new CPDF_StreamAcc);
- CPDF_Stream* pStreamObj = ToStream(
- pContent ? pContent->GetElementValue(m_CurrentOffset) : nullptr);
- m_StreamArray[m_CurrentOffset]->LoadAllData(pStreamObj, FALSE);
- m_CurrentOffset++;
- }
- }
- if (m_InternalStage == STAGE_PARSE) {
- if (!m_pParser) {
- m_pParser.reset(new CPDF_StreamContentParser(
- m_pObjectHolder->m_pDocument, m_pObjectHolder->m_pPageResources,
- nullptr, nullptr, m_pObjectHolder, m_pObjectHolder->m_pResources,
- &m_pObjectHolder->m_BBox, &m_Options, nullptr, 0));
- m_pParser->GetCurStates()->m_ColorState.GetModify()->Default();
- }
- if (m_CurrentOffset >= m_Size) {
- m_InternalStage = STAGE_CHECKCLIP;
- } else {
- m_CurrentOffset +=
- m_pParser->Parse(m_pData + m_CurrentOffset,
- m_Size - m_CurrentOffset, PARSE_STEP_LIMIT);
- }
- }
- if (m_InternalStage == STAGE_CHECKCLIP) {
- if (m_pType3Char) {
- m_pType3Char->m_bColored = m_pParser->IsColored();
- m_pType3Char->m_Width =
- FXSYS_round(m_pParser->GetType3Data()[0] * 1000);
- m_pType3Char->m_BBox.left =
- FXSYS_round(m_pParser->GetType3Data()[2] * 1000);
- m_pType3Char->m_BBox.bottom =
- FXSYS_round(m_pParser->GetType3Data()[3] * 1000);
- m_pType3Char->m_BBox.right =
- FXSYS_round(m_pParser->GetType3Data()[4] * 1000);
- m_pType3Char->m_BBox.top =
- FXSYS_round(m_pParser->GetType3Data()[5] * 1000);
- }
- for (auto& pObj : *m_pObjectHolder->GetPageObjectList()) {
- 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->IsShading()) {
- 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;
- }
- }
-}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old_unittest.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old_unittest.cpp
deleted file mode 100644
index 846166521d..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old_unittest.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2015 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.
-
-#include "core/src/fpdfapi/fpdf_page/pageint.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-TEST(fpdf_page_parser_old, ReadHexString) {
- {
- // Position out of bounds.
- uint8_t data[] = "12ab>";
- CPDF_StreamParser parser(data, 5);
- parser.SetPos(6);
- EXPECT_EQ("", parser.ReadHexString());
- }
-
- {
- // Regular conversion.
- uint8_t data[] = "1A2b>abcd";
- CPDF_StreamParser parser(data, 5);
- EXPECT_EQ("\x1a\x2b", parser.ReadHexString());
- EXPECT_EQ(5, parser.GetPos());
- }
-
- {
- // Missing ending >
- uint8_t data[] = "1A2b";
- CPDF_StreamParser parser(data, 5);
- EXPECT_EQ("\x1a\x2b", parser.ReadHexString());
- EXPECT_EQ(5, parser.GetPos());
- }
-
- {
- // Uneven number of bytes.
- uint8_t data[] = "1A2>asdf";
- CPDF_StreamParser parser(data, 5);
- EXPECT_EQ("\x1a\x20", parser.ReadHexString());
- EXPECT_EQ(4, parser.GetPos());
- }
-
- {
- uint8_t data[] = ">";
- CPDF_StreamParser parser(data, 5);
- EXPECT_EQ("", parser.ReadHexString());
- EXPECT_EQ(1, parser.GetPos());
- }
-}
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp
deleted file mode 100644
index 75d7d2a362..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_path.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
-
-CPDF_PathObject::CPDF_PathObject() {}
-
-CPDF_PathObject::~CPDF_PathObject() {}
-
-CPDF_PathObject* CPDF_PathObject::Clone() const {
- CPDF_PathObject* obj = new CPDF_PathObject;
- obj->CopyData(this);
-
- obj->m_Path = m_Path;
- obj->m_FillType = m_FillType;
- obj->m_bStroke = m_bStroke;
- obj->m_Matrix = m_Matrix;
- return obj;
-}
-
-void CPDF_PathObject::Transform(const CFX_Matrix& matrix) {
- m_Matrix.Concat(matrix);
- 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
deleted file mode 100644
index 0db1c403a4..0000000000
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_pattern.cpp
+++ /dev/null
@@ -1,320 +0,0 @@
-// 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 "core/src/fpdfapi/fpdf_page/pageint.h"
-
-#include <algorithm>
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-
-namespace {
-
-const int kSingleCoordinatePair = 1;
-const int kTensorCoordinatePairs = 16;
-const int kCoonsCoordinatePairs = 12;
-
-const int kSingleColorPerPatch = 1;
-const int kQuadColorsPerPatch = 4;
-
-ShadingType ToShadingType(int type) {
- return (type > static_cast<int>(kInvalidShading) &&
- type < static_cast<int>(kMaxShading))
- ? static_cast<ShadingType>(type)
- : kInvalidShading;
-}
-
-} // namespace
-
-CPDF_Pattern::CPDF_Pattern(PatternType type,
- CPDF_Document* pDoc,
- CPDF_Object* pObj,
- const CFX_Matrix* pParentMatrix)
- : m_PatternType(type),
- m_pDocument(pDoc),
- m_pPatternObj(pObj),
- m_bForceClear(FALSE) {
- if (pParentMatrix)
- m_ParentMatrix = *pParentMatrix;
-}
-CPDF_Pattern::~CPDF_Pattern() {}
-CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc,
- CPDF_Object* pPatternObj,
- const CFX_Matrix* parentMatrix)
- : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) {
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- m_Pattern2Form = pDict->GetMatrixBy("Matrix");
- m_bColored = pDict->GetIntegerBy("PaintType") == 1;
- if (parentMatrix) {
- m_Pattern2Form.Concat(*parentMatrix);
- }
- m_pForm = NULL;
-}
-CPDF_TilingPattern::~CPDF_TilingPattern() {
- delete m_pForm;
- m_pForm = NULL;
-}
-FX_BOOL CPDF_TilingPattern::Load() {
- if (m_pForm)
- return TRUE;
-
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- if (!pDict)
- return FALSE;
-
- m_bColored = pDict->GetIntegerBy("PaintType") == 1;
- m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep"));
- m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep"));
-
- CPDF_Stream* pStream = m_pPatternObj->AsStream();
- if (!pStream)
- return FALSE;
-
- m_pForm = new CPDF_Form(m_pDocument, NULL, pStream);
- m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL);
- m_BBox = pDict->GetRectBy("BBox");
- return TRUE;
-}
-CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
- CPDF_Object* pPatternObj,
- FX_BOOL bShading,
- const CFX_Matrix* parentMatrix)
- : CPDF_Pattern(SHADING,
- pDoc,
- bShading ? nullptr : pPatternObj,
- parentMatrix),
- m_ShadingType(kInvalidShading),
- m_bShadingObj(bShading),
- m_pShadingObj(pPatternObj),
- m_pCS(nullptr),
- m_pCountedCS(nullptr),
- m_nFuncs(0) {
- if (!bShading) {
- CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
- m_Pattern2Form = pDict->GetMatrixBy("Matrix");
- m_pShadingObj = pDict->GetElementValue("Shading");
- if (parentMatrix)
- m_Pattern2Form.Concat(*parentMatrix);
- }
- for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i)
- m_pFunctions[i] = nullptr;
-}
-
-CPDF_ShadingPattern::~CPDF_ShadingPattern() {
- for (int i = 0; i < m_nFuncs; ++i)
- delete m_pFunctions[i];
-
- CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : NULL;
- if (pCS && m_pDocument)
- m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
-}
-
-FX_BOOL CPDF_ShadingPattern::Load() {
- if (m_ShadingType != kInvalidShading)
- return TRUE;
-
- CPDF_Dictionary* pShadingDict =
- m_pShadingObj ? m_pShadingObj->GetDict() : NULL;
- if (!pShadingDict) {
- return FALSE;
- }
- if (m_nFuncs) {
- for (int i = 0; i < m_nFuncs; i++)
- delete m_pFunctions[i];
- m_nFuncs = 0;
- }
- CPDF_Object* pFunc = pShadingDict->GetElementValue("Function");
- if (pFunc) {
- if (CPDF_Array* pArray = pFunc->AsArray()) {
- m_nFuncs = std::min<int>(pArray->GetCount(), 4);
-
- for (int i = 0; i < m_nFuncs; i++) {
- m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i));
- }
- } else {
- m_pFunctions[0] = CPDF_Function::Load(pFunc);
- m_nFuncs = 1;
- }
- }
- CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace");
- if (!pCSObj) {
- return FALSE;
- }
- CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
- m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL);
- if (m_pCS) {
- m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
- }
-
- m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType"));
-
- // We expect to have a stream if our shading type is a mesh.
- if (IsMeshShading() && !ToStream(m_pShadingObj))
- return FALSE;
-
- return TRUE;
-}
-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->GetIntegerBy("BitsPerCoordinate");
- m_nCompBits = pDict->GetIntegerBy("BitsPerComponent");
- m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag");
- if (!m_nCoordBits || !m_nCompBits) {
- return FALSE;
- }
- FX_DWORD 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->GetArrayBy("Decode");
- if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2) {
- return FALSE;
- }
- m_xmin = pDecode->GetNumberAt(0);
- m_xmax = pDecode->GetNumberAt(1);
- m_ymin = pDecode->GetNumberAt(2);
- m_ymax = pDecode->GetNumberAt(3);
- for (FX_DWORD i = 0; i < m_nComps; i++) {
- m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4);
- m_ColorMax[i] = pDecode->GetNumberAt(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_memset(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_Matrix* 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_Matrix* 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,
- ShadingType type,
- const CFX_Matrix* pMatrix,
- CPDF_Function** pFuncs,
- int nFuncs,
- CPDF_ColorSpace* pCS) {
- if (!pStream || !pStream->IsStream() || !pFuncs || !pCS)
- 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;
- bool bStarted = false;
- bool bGouraud = type == kFreeFormGouraudTriangleMeshShading ||
- type == kLatticeFormGouraudTriangleMeshShading;
-
- int point_count = kSingleCoordinatePair;
- if (type == kTensorProductPatchMeshShading)
- point_count = kTensorCoordinatePairs;
- else if (type == kCoonsPatchMeshShading)
- point_count = kCoonsCoordinatePairs;
-
- int color_count = kSingleColorPerPatch;
- if (type == kCoonsPatchMeshShading || type == kTensorProductPatchMeshShading)
- color_count = kQuadColorsPerPatch;
-
- while (!stream.m_BitStream.IsEOF()) {
- FX_DWORD flag = 0;
- if (type != kLatticeFormGouraudTriangleMeshShading)
- flag = stream.GetFlag();
-
- 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
deleted file mode 100644
index 517c0a4055..0000000000
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ /dev/null
@@ -1,459 +0,0 @@
-// 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
-
-#ifndef CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
-#define CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
-
-#include <map>
-#include <memory>
-#include <unordered_map>
-#include <vector>
-
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
-
-class CPDF_AllStates;
-class CPDF_ParseOptions;
-class CPDF_IccProfile;
-
-#define PARSE_STEP_LIMIT 100
-
-class CPDF_StreamParser {
- public:
- enum SyntaxType { EndOfData, Number, Keyword, Name, Others };
-
- CPDF_StreamParser(const uint8_t* pData, FX_DWORD dwSize);
- ~CPDF_StreamParser();
-
- CPDF_Stream* ReadInlineStream(CPDF_Document* pDoc,
- CPDF_Dictionary* pDict,
- CPDF_Object* pCSObj,
- FX_BOOL bDecode);
- SyntaxType ParseNextElement();
- uint8_t* GetWordBuf() { return m_WordBuffer; }
- FX_DWORD GetWordSize() const { return m_WordSize; }
- CPDF_Object* GetObject() {
- CPDF_Object* pObj = m_pLastObj;
- m_pLastObj = NULL;
- return pObj;
- }
- FX_DWORD GetPos() const { 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:
- friend class fpdf_page_parser_old_ReadHexString_Test;
-
- void GetNextWord(FX_BOOL& bIsNumber);
- CFX_ByteString ReadString();
- CFX_ByteString ReadHexString();
- const uint8_t* m_pBuf;
-
- // Length in bytes of m_pBuf.
- FX_DWORD m_Size;
-
- // Current byte position within m_pBuf.
- FX_DWORD m_Pos;
-
- uint8_t m_WordBuffer[256];
- FX_DWORD m_WordSize;
- CPDF_Object* m_pLastObj;
-
- private:
- bool PositionIsInBounds() const;
-};
-
-#define PARAM_BUF_SIZE 16
-struct ContentParam {
- enum Type { OBJECT = 0, NUMBER, NAME };
- Type 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;
- };
-};
-#define _FPDF_MAX_FORM_LEVEL_ 30
-#define _FPDF_MAX_TYPE3_FORM_LEVEL_ 4
-#define _FPDF_MAX_OBJECT_STACK_SIZE_ 512
-class CPDF_StreamContentParser {
- public:
- CPDF_StreamContentParser(CPDF_Document* pDoc,
- CPDF_Dictionary* pPageResources,
- CPDF_Dictionary* pParentResources,
- CFX_Matrix* pmtContentToUser,
- CPDF_PageObjectHolder* pObjectHolder,
- CPDF_Dictionary* pResources,
- CFX_FloatRect* pBBox,
- CPDF_ParseOptions* pOptions,
- CPDF_AllStates* pAllStates,
- int level);
- ~CPDF_StreamContentParser();
-
- CPDF_PageObjectHolder* GetPageObjectHolder() const { return m_pObjectHolder; }
- CPDF_AllStates* GetCurStates() const { return m_pCurStates.get(); }
- FX_BOOL IsColored() const { return m_bColored; }
- const FX_FLOAT* GetType3Data() const { return m_Type3Data; }
-
- void AddNumberParam(const FX_CHAR* str, int len);
- void AddObjectParam(CPDF_Object* pObj);
- void AddNameParam(const FX_CHAR* 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 (int32_t)(GetNumber(index)); }
- void OnOperator(const FX_CHAR* op);
- void BigCaseCaller(int index);
- FX_DWORD GetParsePos() { return m_pSyntax->GetPos(); }
- 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();
- FX_DWORD Parse(const uint8_t* pData, FX_DWORD dwSize, FX_DWORD max_cost);
- void ParsePathObject();
- 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* pStream);
- void SetGraphicStates(CPDF_PageObject* pObj,
- FX_BOOL bColor,
- FX_BOOL bText,
- FX_BOOL bGraph);
- void SaveStates(CPDF_AllStates* pState);
- void RestoreStates(CPDF_AllStates* pState);
- 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(const CFX_ByteStringC& type,
- const CFX_ByteString& name);
-
- protected:
- using OpCodes =
- std::unordered_map<FX_DWORD, void (CPDF_StreamContentParser::*)()>;
- static OpCodes InitializeOpCodes();
-
- 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_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_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();
-
- CPDF_Document* const m_pDocument;
- CPDF_Dictionary* m_pPageResources;
- CPDF_Dictionary* m_pParentResources;
- CPDF_Dictionary* m_pResources;
- CPDF_PageObjectHolder* m_pObjectHolder;
- int m_Level;
- CFX_Matrix m_mtContentToUser;
- CFX_FloatRect m_BBox;
- CPDF_ParseOptions m_Options;
- ContentParam m_ParamBuf[PARAM_BUF_SIZE];
- FX_DWORD m_ParamStartPos;
- FX_DWORD m_ParamCount;
- CPDF_StreamParser* m_pSyntax;
- std::unique_ptr<CPDF_AllStates> m_pCurStates;
- CPDF_ContentMark m_CurContentMark;
- CFX_ArrayTemplate<CPDF_TextObject*> m_ClipTextList;
- CPDF_TextObject* m_pLastTextObject;
- FX_FLOAT m_DefFontSize;
- FX_PATHPOINT* m_pPathPoints;
- int m_PathPointCount;
- int m_PathAllocSize;
- FX_FLOAT m_PathStartX;
- FX_FLOAT m_PathStartY;
- FX_FLOAT m_PathCurrentX;
- FX_FLOAT m_PathCurrentY;
- int m_PathClipType;
- CFX_ByteString m_LastImageName;
- CPDF_Image* m_pLastImage;
- CFX_BinaryBuf m_LastImageDict;
- CFX_BinaryBuf m_LastImageData;
- CPDF_Dictionary* m_pLastImageDict;
- CPDF_Dictionary* m_pLastCloneImageDict;
- FX_BOOL m_bReleaseLastDict;
- FX_BOOL m_bSameLastDict;
- FX_BOOL m_bColored;
- FX_FLOAT m_Type3Data[6];
- FX_BOOL m_bResourceMissing;
- std::vector<std::unique_ptr<CPDF_AllStates>> m_StateStack;
-};
-class CPDF_ContentParser {
- public:
- enum ParseStatus { Ready, ToBeContinued, Done };
-
- CPDF_ContentParser();
- ~CPDF_ContentParser();
-
- ParseStatus GetStatus() const { return m_Status; }
- void Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions);
- void Start(CPDF_Form* pForm,
- CPDF_AllStates* pGraphicStates,
- CFX_Matrix* pParentMatrix,
- CPDF_Type3Char* pType3Char,
- CPDF_ParseOptions* pOptions,
- int level);
- void Continue(IFX_Pause* pPause);
-
- private:
- enum InternalStage {
- STAGE_GETCONTENT = 1,
- STAGE_PARSE,
- STAGE_CHECKCLIP,
- };
-
- ParseStatus m_Status;
- InternalStage m_InternalStage;
- CPDF_PageObjectHolder* m_pObjectHolder;
- FX_BOOL m_bForm;
- CPDF_ParseOptions m_Options;
- CPDF_Type3Char* m_pType3Char;
- FX_DWORD m_nStreams;
- std::unique_ptr<CPDF_StreamAcc> m_pSingleStream;
- std::vector<std::unique_ptr<CPDF_StreamAcc>> m_StreamArray;
- uint8_t* m_pData;
- FX_DWORD m_Size;
- FX_DWORD m_CurrentOffset;
- std::unique_ptr<CPDF_StreamContentParser> m_pParser;
-};
-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_Matrix m_TextMatrix, m_CTM, m_ParentMatrix;
- FX_FLOAT m_TextX, m_TextY, m_TextLineX, m_TextLineY;
- FX_FLOAT m_TextLeading, m_TextRise, m_TextHorzScale;
-};
-
-class CPDF_DocPageData {
- public:
- explicit 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(const CFX_ByteStringC& fontName,
- CPDF_FontEncoding* pEncoding);
- void ReleaseFont(CPDF_Dictionary* pFontDict);
- CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj,
- const 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_Matrix* matrix);
- void ReleasePattern(CPDF_Object* pPatternObj);
- CPDF_Image* GetImage(CPDF_Object* pImageStream);
- void ReleaseImage(CPDF_Object* pImageStream);
- CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
- void ReleaseIccProfile(CPDF_IccProfile* pIccProfile);
- CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
- void ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream,
- FX_BOOL bForce = FALSE);
- FX_BOOL IsForceClear() const { return m_bForceClear; }
- CPDF_CountedColorSpace* FindColorSpacePtr(CPDF_Object* pCSObj) const;
- CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const;
-
- private:
- using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font>;
- using CPDF_CountedIccProfile = CPDF_CountedObject<CPDF_IccProfile>;
- using CPDF_CountedImage = CPDF_CountedObject<CPDF_Image>;
- using CPDF_CountedStreamAcc = CPDF_CountedObject<CPDF_StreamAcc>;
-
- using CPDF_ColorSpaceMap = std::map<CPDF_Object*, CPDF_CountedColorSpace*>;
- using CPDF_FontFileMap = std::map<CPDF_Stream*, CPDF_CountedStreamAcc*>;
- using CPDF_FontMap = std::map<CPDF_Dictionary*, CPDF_CountedFont*>;
- using CPDF_IccProfileMap = std::map<CPDF_Stream*, CPDF_CountedIccProfile*>;
- using CPDF_ImageMap = std::map<FX_DWORD, CPDF_CountedImage*>;
- using CPDF_PatternMap = std::map<CPDF_Object*, CPDF_CountedPattern*>;
-
- CPDF_Document* const m_pPDFDoc;
- FX_BOOL m_bForceClear;
- std::map<CFX_ByteString, CPDF_Stream*> m_HashProfileMap;
- CPDF_ColorSpaceMap m_ColorSpaceMap;
- CPDF_FontFileMap m_FontFileMap;
- CPDF_FontMap m_FontMap;
- CPDF_IccProfileMap m_IccProfileMap;
- CPDF_ImageMap m_ImageMap;
- CPDF_PatternMap m_PatternMap;
-};
-
-class CPDF_Function {
- 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:
- CPDF_IccProfile(const uint8_t* pData, FX_DWORD dwSize);
- ~CPDF_IccProfile();
- FX_DWORD GetComponents() const { return m_nSrcComponents; }
- FX_BOOL m_bsRGB;
- void* m_pTransform;
-
- private:
- FX_DWORD m_nSrcComponents;
-};
-
-class CPDF_DeviceCS : public CPDF_ColorSpace {
- public:
- CPDF_DeviceCS(CPDF_Document* pDoc, int family);
-
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- FX_BOOL SetRGB(FX_FLOAT* pBuf,
- FX_FLOAT R,
- FX_FLOAT G,
- FX_FLOAT B) const override;
- FX_BOOL v_GetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT& c,
- FX_FLOAT& m,
- FX_FLOAT& y,
- FX_FLOAT& k) const override;
- FX_BOOL v_SetCMYK(FX_FLOAT* pBuf,
- FX_FLOAT c,
- FX_FLOAT m,
- FX_FLOAT y,
- FX_FLOAT k) const override;
- void TranslateImageLine(uint8_t* pDestBuf,
- const uint8_t* pSrcBuf,
- int pixels,
- int image_width,
- int image_height,
- FX_BOOL bTransMask = FALSE) const override;
-};
-
-class CPDF_PatternCS : public CPDF_ColorSpace {
- public:
- explicit CPDF_PatternCS(CPDF_Document* pDoc)
- : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1),
- m_pBaseCS(nullptr),
- m_pCountedBaseCS(nullptr) {}
- ~CPDF_PatternCS() override;
- FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override;
- FX_BOOL GetRGB(FX_FLOAT* pBuf,
- FX_FLOAT& R,
- FX_FLOAT& G,
- FX_FLOAT& B) const override;
- CPDF_ColorSpace* GetBaseCS() const override;
-
- private:
- CPDF_ColorSpace* m_pBaseCS;
- CPDF_CountedColorSpace* m_pCountedBaseCS;
-};
-
-void PDF_ReplaceAbbr(CPDF_Object* pObj);
-bool IsPathOperator(const uint8_t* buf, size_t len);
-
-#endif // CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
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