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-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp3362
1 files changed, 1681 insertions, 1681 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 40f6d04212..ff670965ec 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -1,1681 +1,1681 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "../../../include/fpdfapi/fpdf_page.h"
-#include "../../../include/fpdfapi/fpdf_module.h"
-#include "../../../include/fpdfapi/fpdf_serial.h"
-#include "pageint.h"
-#define REQUIRE_PARAMS(count) if (m_ParamCount != count) { m_bAbort = TRUE; return; }
-CPDF_StreamContentParser::CPDF_StreamContentParser()
-{
- m_DefFontSize = 0;
- m_pCurStates = NULL;
- m_pLastTextObject = NULL;
- m_pPathPoints = NULL;
- m_PathClipType = 0;
- m_PathPointCount = m_PathAllocSize = 0;
- m_PathCurrentX = m_PathCurrentY = 0.0f;
- m_bResourceMissing = FALSE;
- m_bColored = FALSE;
- FXSYS_memset32(m_Type3Data, 0, sizeof(FX_FLOAT) * 6);
- m_ParamCount = 0;
- m_ParamStartPos = 0;
- m_bAbort = FALSE;
- m_pLastImageDict = NULL;
- m_pLastCloneImageDict = NULL;
- m_pLastImage = NULL;
- m_bReleaseLastDict = TRUE;
- m_pParentResources = NULL;
-#ifdef _FPDFAPI_MINI_
- m_pObjectState = NULL;
- m_pObjectStack = NULL;
- m_pWordBuf = NULL;
- m_pDictName = NULL;
- m_pStreamBuf = NULL;
- m_WordState = 0;
- m_ObjectSize = 0;
-#endif
-}
-FX_BOOL CPDF_StreamContentParser::Initialize()
-{
-#ifdef _FPDFAPI_MINI_
- m_pObjectState = FX_Alloc(FX_BOOL, _FPDF_MAX_OBJECT_STACK_SIZE_);
- FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
- m_pObjectStack = FX_Alloc(CPDF_Object*, _FPDF_MAX_OBJECT_STACK_SIZE_);
- FXSYS_memset32(m_pObjectStack, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(CPDF_Object*));
- m_pWordBuf = FX_Alloc(FX_BYTE, 256);
- FXSYS_memset32(m_pWordBuf, 0, 256 * sizeof(FX_BYTE));
- m_pDictName = FX_Alloc(FX_BYTE, 256);
- FXSYS_memset32(m_pDictName, 0, 256 * sizeof(FX_BYTE));
- m_pStreamBuf = FX_Alloc(FX_BYTE, STREAM_PARSE_BUFSIZE);
- FXSYS_memset32(m_pStreamBuf, 0, STREAM_PARSE_BUFSIZE * sizeof(FX_BYTE));
- m_StringBuf.EstimateSize(1024);
- m_ObjectSize = 0;
- m_ImageSrcBuf.EstimateSize(STREAM_PARSE_BUFSIZE);
-#endif
- return TRUE;
-}
-CPDF_StreamContentParser::~CPDF_StreamContentParser()
-{
- ClearAllParams();
- int i = 0;
- for (i = 0; i < m_StateStack.GetSize(); i ++) {
- delete (CPDF_AllStates*)m_StateStack[i];
- }
- if (m_pPathPoints) {
- FX_Free(m_pPathPoints);
- }
- if (m_pCurStates) {
- delete m_pCurStates;
- }
- if (m_pLastImageDict) {
- m_pLastImageDict->Release();
- }
- if (m_pLastCloneImageDict) {
- m_pLastCloneImageDict->Release();
- }
-#ifdef _FPDFAPI_MINI_
- for (i = 0; i < (int)m_ObjectSize; ++i) {
- if (!m_pObjectState[i]) {
- m_pObjectStack[i]->Release();
- }
- }
- FX_Free(m_pObjectStack);
- FX_Free(m_pObjectState);
- FX_Free(m_pStreamBuf);
- FX_Free(m_pWordBuf);
- FX_Free(m_pDictName);
-#endif
-}
-void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
- CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources, CFX_AffineMatrix* pmtContentToUser, CPDF_PageObjects* pObjList,
- CPDF_Dictionary* pResources, CPDF_Rect* pBBox, CPDF_ParseOptions* pOptions,
- CPDF_AllStates* pStates, int level)
-{
- for (int i = 0; i < 6; i ++) {
- m_Type3Data[i] = 0;
- }
- m_pDocument = pDocument;
- m_pPageResources = pPageResources;
- m_pParentResources = pParentResources;
- if (pmtContentToUser) {
- m_mtContentToUser = *pmtContentToUser;
- }
- if (pOptions) {
- m_Options = *pOptions;
- }
- m_pObjectList = pObjList;
- m_pResources = pResources;
- if (pResources == NULL) {
- m_pResources = m_pParentResources;
- }
- if (m_pResources == NULL) {
- m_pResources = pPageResources;
- }
- if (pBBox) {
- m_BBox = *pBBox;
- }
- m_Level = level;
- m_pCurStates = FX_NEW CPDF_AllStates;
- if (pStates) {
- m_pCurStates->Copy(*pStates);
- } else {
- m_pCurStates->m_GeneralState.New();
- m_pCurStates->m_GraphState.New();
- m_pCurStates->m_TextState.New();
- m_pCurStates->m_ColorState.New();
- }
-#ifdef _FPDFAPI_MINI_
- FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
-#endif
-}
-int CPDF_StreamContentParser::GetNextParamPos()
-{
- if (m_ParamCount == PARAM_BUF_SIZE) {
- m_ParamStartPos ++;
- if (m_ParamStartPos == PARAM_BUF_SIZE) {
- m_ParamStartPos = 0;
- }
- if (m_ParamBuf1[m_ParamStartPos].m_Type == 0) {
- m_ParamBuf1[m_ParamStartPos].m_pObject->Release();
- }
- return m_ParamStartPos;
- }
- int index = m_ParamStartPos + m_ParamCount;
- if (index >= PARAM_BUF_SIZE) {
- index -= PARAM_BUF_SIZE;
- }
- m_ParamCount ++;
- return index;
-}
-void CPDF_StreamContentParser::AddNameParam(FX_LPCSTR name, int len)
-{
- int index = GetNextParamPos();
- if (len > 32) {
- m_ParamBuf1[index].m_Type = 0;
- m_ParamBuf1[index].m_pObject = CPDF_Name::Create(PDF_NameDecode(CFX_ByteStringC(name, len)));
- } else {
- m_ParamBuf1[index].m_Type = PDFOBJ_NAME;
- if (FXSYS_memchr(name, '#', len) == NULL) {
- FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, name, len);
- m_ParamBuf1[index].m_Name.m_Len = len;
- } else {
- CFX_ByteString str = PDF_NameDecode(CFX_ByteStringC(name, len));
- FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, (FX_LPCSTR)str, str.GetLength());
- m_ParamBuf1[index].m_Name.m_Len = str.GetLength();
- }
- }
-}
-void CPDF_StreamContentParser::AddNumberParam(FX_LPCSTR str, int len)
-{
- int index = GetNextParamPos();
- m_ParamBuf1[index].m_Type = PDFOBJ_NUMBER;
- FX_atonum(CFX_ByteStringC(str, len), m_ParamBuf1[index].m_Number.m_bInteger,
- &m_ParamBuf1[index].m_Number.m_Integer);
-}
-void CPDF_StreamContentParser::AddObjectParam(CPDF_Object* pObj)
-{
- int index = GetNextParamPos();
- m_ParamBuf1[index].m_Type = 0;
- m_ParamBuf1[index].m_pObject = pObj;
-}
-void CPDF_StreamContentParser::ClearAllParams()
-{
- FX_DWORD index = m_ParamStartPos;
- for (FX_DWORD i = 0; i < m_ParamCount; i ++) {
- if (m_ParamBuf1[index].m_Type == 0) {
- m_ParamBuf1[index].m_pObject->Release();
- }
- index ++;
- if (index == PARAM_BUF_SIZE) {
- index = 0;
- }
- }
- m_ParamStartPos = 0;
- m_ParamCount = 0;
-}
-CPDF_Object* CPDF_StreamContentParser::GetObject(FX_DWORD index)
-{
- if (index >= m_ParamCount) {
- return NULL;
- }
- int real_index = m_ParamStartPos + m_ParamCount - index - 1;
- if (real_index >= PARAM_BUF_SIZE) {
- real_index -= PARAM_BUF_SIZE;
- }
- _ContentParam& param = m_ParamBuf1[real_index];
- if (param.m_Type == PDFOBJ_NUMBER) {
- CPDF_Number* pNumber = CPDF_Number::Create(param.m_Number.m_bInteger, &param.m_Number.m_Integer);
- param.m_Type = 0;
- param.m_pObject = pNumber;
- return pNumber;
- }
- if (param.m_Type == PDFOBJ_NAME) {
- CPDF_Name* pName = CPDF_Name::Create(CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len));
- param.m_Type = 0;
- param.m_pObject = pName;
- return pName;
- }
- if (param.m_Type == 0) {
- return param.m_pObject;
- }
- ASSERT(FALSE);
- return NULL;
-}
-CFX_ByteString CPDF_StreamContentParser::GetString(FX_DWORD index)
-{
- if (index >= m_ParamCount) {
- return CFX_ByteString();
- }
- int real_index = m_ParamStartPos + m_ParamCount - index - 1;
- if (real_index >= PARAM_BUF_SIZE) {
- real_index -= PARAM_BUF_SIZE;
- }
- _ContentParam& param = m_ParamBuf1[real_index];
- if (param.m_Type == PDFOBJ_NAME) {
- return CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len);
- }
- if (param.m_Type == 0) {
- return param.m_pObject->GetString();
- }
- return CFX_ByteString();
-}
-FX_FLOAT CPDF_StreamContentParser::GetNumber(FX_DWORD index)
-{
- if (index >= m_ParamCount) {
- return 0;
- }
- int real_index = m_ParamStartPos + m_ParamCount - index - 1;
- if (real_index >= PARAM_BUF_SIZE) {
- real_index -= PARAM_BUF_SIZE;
- }
- _ContentParam& param = m_ParamBuf1[real_index];
- if (param.m_Type == PDFOBJ_NUMBER) {
- return param.m_Number.m_bInteger ? (FX_FLOAT)param.m_Number.m_Integer : param.m_Number.m_Float;
- }
- if (param.m_Type == 0) {
- return param.m_pObject->GetNumber();
- }
- return 0;
-}
-FX_FLOAT CPDF_StreamContentParser::GetNumber16(FX_DWORD index)
-{
- return GetNumber(index);
-}
-void CPDF_StreamContentParser::SetGraphicStates(CPDF_PageObject* pObj, FX_BOOL bColor, FX_BOOL bText, FX_BOOL bGraph)
-{
- pObj->m_GeneralState = m_pCurStates->m_GeneralState;
- pObj->m_ClipPath = m_pCurStates->m_ClipPath;
- pObj->m_ContentMark = m_CurContentMark;
- if (bColor) {
- pObj->m_ColorState = m_pCurStates->m_ColorState;
- }
- if (bGraph) {
- pObj->m_GraphState = m_pCurStates->m_GraphState;
- }
- if (bText) {
- pObj->m_TextState = m_pCurStates->m_TextState;
- }
-}
-const struct _OpCode {
- FX_DWORD m_OpId;
- void (CPDF_StreamContentParser::*m_OpHandler)();
-} g_OpCodes[] = {
- {FXBSTR_ID('"', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText_Space},
- {FXBSTR_ID('\'', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText},
- {FXBSTR_ID('B', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillStrokePath},
- {FXBSTR_ID('B', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillStrokePath},
- {FXBSTR_ID('B', 'D', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary},
- {FXBSTR_ID('B', 'I', 0, 0), &CPDF_StreamContentParser::Handle_BeginImage},
- {FXBSTR_ID('B', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent},
- {FXBSTR_ID('B', 'T', 0, 0), &CPDF_StreamContentParser::Handle_BeginText},
- {FXBSTR_ID('B', 'X', 0, 0), &CPDF_StreamContentParser::Handle_BeginSectionUndefined},
- {FXBSTR_ID('C', 'S', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Stroke},
- {FXBSTR_ID('D', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace_Dictionary},
- {FXBSTR_ID('D', 'o', 0, 0), &CPDF_StreamContentParser::Handle_ExecuteXObject},
- {FXBSTR_ID('E', 'I', 0, 0), &CPDF_StreamContentParser::Handle_EndImage},
- {FXBSTR_ID('E', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_EndMarkedContent},
- {FXBSTR_ID('E', 'T', 0, 0), &CPDF_StreamContentParser::Handle_EndText},
- {FXBSTR_ID('E', 'X', 0, 0), &CPDF_StreamContentParser::Handle_EndSectionUndefined},
- {FXBSTR_ID('F', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPathOld},
- {FXBSTR_ID('G', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Stroke},
- {FXBSTR_ID('I', 'D', 0, 0), &CPDF_StreamContentParser::Handle_BeginImageData},
- {FXBSTR_ID('J', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineCap},
- {FXBSTR_ID('K', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke},
- {FXBSTR_ID('M', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetMiterLimit},
- {FXBSTR_ID('M', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace},
- {FXBSTR_ID('Q', 0, 0, 0), &CPDF_StreamContentParser::Handle_RestoreGraphState},
- {FXBSTR_ID('R', 'G', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Stroke},
- {FXBSTR_ID('S', 0, 0, 0), &CPDF_StreamContentParser::Handle_StrokePath},
- {FXBSTR_ID('S', 'C', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Stroke},
- {FXBSTR_ID('S', 'C', 'N', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Stroke},
- {FXBSTR_ID('T', '*', 0, 0), &CPDF_StreamContentParser::Handle_MoveToNextLine},
- {FXBSTR_ID('T', 'D', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading},
- {FXBSTR_ID('T', 'J', 0, 0), &CPDF_StreamContentParser::Handle_ShowText_Positioning},
- {FXBSTR_ID('T', 'L', 0, 0), &CPDF_StreamContentParser::Handle_SetTextLeading},
- {FXBSTR_ID('T', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetCharSpace},
- {FXBSTR_ID('T', 'd', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint},
- {FXBSTR_ID('T', 'f', 0, 0), &CPDF_StreamContentParser::Handle_SetFont},
- {FXBSTR_ID('T', 'j', 0, 0), &CPDF_StreamContentParser::Handle_ShowText},
- {FXBSTR_ID('T', 'm', 0, 0), &CPDF_StreamContentParser::Handle_SetTextMatrix},
- {FXBSTR_ID('T', 'r', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRenderMode},
- {FXBSTR_ID('T', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRise},
- {FXBSTR_ID('T', 'w', 0, 0), &CPDF_StreamContentParser::Handle_SetWordSpace},
- {FXBSTR_ID('T', 'z', 0, 0), &CPDF_StreamContentParser::Handle_SetHorzScale},
- {FXBSTR_ID('W', 0, 0, 0), &CPDF_StreamContentParser::Handle_Clip},
- {FXBSTR_ID('W', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOClip},
- {FXBSTR_ID('b', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseFillStrokePath},
- {FXBSTR_ID('b', '*', 0, 0), &CPDF_StreamContentParser::Handle_CloseEOFillStrokePath},
- {FXBSTR_ID('c', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_123},
- {FXBSTR_ID('c', 'm', 0, 0), &CPDF_StreamContentParser::Handle_ConcatMatrix},
- {FXBSTR_ID('c', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Fill},
- {FXBSTR_ID('d', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetDash},
- {FXBSTR_ID('d', '0', 0, 0), &CPDF_StreamContentParser::Handle_SetCharWidth},
- {FXBSTR_ID('d', '1', 0, 0), &CPDF_StreamContentParser::Handle_SetCachedDevice},
- {FXBSTR_ID('f', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPath},
- {FXBSTR_ID('f', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillPath},
- {FXBSTR_ID('g', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Fill},
- {FXBSTR_ID('g', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetExtendGraphState},
- {FXBSTR_ID('h', 0, 0, 0), &CPDF_StreamContentParser::Handle_ClosePath},
- {FXBSTR_ID('i', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetFlat},
- {FXBSTR_ID('j', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineJoin},
- {FXBSTR_ID('k', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Fill},
- {FXBSTR_ID('l', 0, 0, 0), &CPDF_StreamContentParser::Handle_LineTo},
- {FXBSTR_ID('m', 0, 0, 0), &CPDF_StreamContentParser::Handle_MoveTo},
- {FXBSTR_ID('n', 0, 0, 0), &CPDF_StreamContentParser::Handle_EndPath},
- {FXBSTR_ID('q', 0, 0, 0), &CPDF_StreamContentParser::Handle_SaveGraphState},
- {FXBSTR_ID('r', 'e', 0, 0), &CPDF_StreamContentParser::Handle_Rectangle},
- {FXBSTR_ID('r', 'g', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Fill},
- {FXBSTR_ID('r', 'i', 0, 0), &CPDF_StreamContentParser::Handle_SetRenderIntent},
- {FXBSTR_ID('s', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseStrokePath},
- {FXBSTR_ID('s', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Fill},
- {FXBSTR_ID('s', 'c', 'n', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Fill},
- {FXBSTR_ID('s', 'h', 0, 0), &CPDF_StreamContentParser::Handle_ShadeFill},
- {FXBSTR_ID('v', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_23},
- {FXBSTR_ID('w', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineWidth},
- {FXBSTR_ID('y', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_13},
-};
-FX_BOOL CPDF_StreamContentParser::OnOperator(FX_LPCSTR op)
-{
- int i = 0;
- FX_DWORD opid = 0;
- while (i < 4 && op[i]) {
- opid = (opid << 8) + op[i];
- i ++;
- }
- while (i < 4) {
- opid <<= 8;
- i ++;
- };
- int low = 0, high = sizeof g_OpCodes / sizeof(struct _OpCode) - 1;
- while (low <= high) {
- int middle = (low + high) / 2;
- int compare = opid - g_OpCodes[middle].m_OpId;
- if (compare == 0) {
- (this->*g_OpCodes[middle].m_OpHandler)();
- return TRUE;
- } else if (compare < 0) {
- high = middle - 1;
- } else {
- low = middle + 1;
- }
- }
- return m_CompatCount != 0;
-}
-void CPDF_StreamContentParser::Handle_CloseFillStrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- Handle_ClosePath();
- AddPathObject(FXFILL_WINDING, TRUE);
-}
-void CPDF_StreamContentParser::Handle_FillStrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(FXFILL_WINDING, TRUE);
-}
-void CPDF_StreamContentParser::Handle_CloseEOFillStrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
- AddPathObject(FXFILL_ALTERNATE, TRUE);
-}
-void CPDF_StreamContentParser::Handle_EOFillStrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(FXFILL_ALTERNATE, TRUE);
-}
-void CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary()
-{
- if (!m_Options.m_bMarkedContent) {
- return;
- }
- CFX_ByteString tag = GetString(1);
- CPDF_Object* pProperty = GetObject(0);
- if (pProperty == NULL) {
- return;
- }
- FX_BOOL bDirect = TRUE;
- if (pProperty->GetType() == PDFOBJ_NAME) {
- pProperty = FindResourceObj(FX_BSTRC("Properties"), pProperty->GetString());
- if (pProperty == NULL) {
- return;
- }
- bDirect = FALSE;
- }
- if (pProperty->GetType() != PDFOBJ_DICTIONARY) {
- return;
- }
- m_CurContentMark.GetModify()->AddMark(tag, (CPDF_Dictionary*)pProperty, bDirect);
-}
-void CPDF_StreamContentParser::Handle_BeginMarkedContent()
-{
- if (!m_Options.m_bMarkedContent) {
- return;
- }
- CFX_ByteString tag = GetString(0);
- m_CurContentMark.GetModify()->AddMark(tag, NULL, FALSE);
-}
-struct _FX_BSTR {
- FX_LPCSTR m_Ptr;
- int m_Size;
-};
-#define _FX_BSTRC(str) {str, sizeof(str)-1}
-const _FX_BSTR _PDF_InlineKeyAbbr[] = {
- _FX_BSTRC("BitsPerComponent"), _FX_BSTRC("BPC"),
- _FX_BSTRC("ColorSpace"), _FX_BSTRC("CS"),
- _FX_BSTRC("Decode"), _FX_BSTRC("D"),
- _FX_BSTRC("DecodeParms"), _FX_BSTRC("DP"),
- _FX_BSTRC("Filter"), _FX_BSTRC("F"),
- _FX_BSTRC("Height"), _FX_BSTRC("H"),
- _FX_BSTRC("ImageMask"), _FX_BSTRC("IM"),
- _FX_BSTRC("Interpolate"), _FX_BSTRC("I"),
- _FX_BSTRC("Width"), _FX_BSTRC("W"),
-};
-const _FX_BSTR _PDF_InlineValueAbbr[] = {
- _FX_BSTRC("DeviceGray"), _FX_BSTRC("G"),
- _FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB"),
- _FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK"),
- _FX_BSTRC("Indexed"), _FX_BSTRC("I"),
- _FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx"),
- _FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85"),
- _FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW"),
- _FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl"),
- _FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL"),
- _FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF"),
- _FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT"),
-};
-static CFX_ByteStringC _PDF_FindFullName(const _FX_BSTR* table, int count, FX_BSTR abbr)
-{
- int i = 0;
- while (i < count) {
- if (abbr.GetLength() == table[i + 1].m_Size && FXSYS_memcmp32(abbr.GetPtr(), table[i + 1].m_Ptr, abbr.GetLength()) == 0) {
- return CFX_ByteStringC(table[i].m_Ptr, table[i].m_Size);
- }
- i += 2;
- }
- return CFX_ByteStringC();
-}
-void _PDF_ReplaceAbbr(CPDF_Object* pObj)
-{
- switch (pObj->GetType()) {
- case PDFOBJ_DICTIONARY: {
- CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
- FX_POSITION pos = pDict->GetStartPos();
- while (pos) {
- CFX_ByteString key;
- CPDF_Object* value = pDict->GetNextElement(pos, key);
- CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineKeyAbbr,
- sizeof _PDF_InlineKeyAbbr / sizeof(_FX_BSTR), key);
- if (!fullname.IsEmpty()) {
- pDict->ReplaceKey(key, fullname);
- key = fullname;
- }
- if (value->GetType() == PDFOBJ_NAME) {
- CFX_ByteString name = value->GetString();
- fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
- if (!fullname.IsEmpty()) {
- pDict->SetAtName(key, fullname);
- }
- } else {
- _PDF_ReplaceAbbr(value);
- }
- }
- break;
- }
- case PDFOBJ_ARRAY: {
- CPDF_Array* pArray = (CPDF_Array*)pObj;
- for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
- CPDF_Object* pElement = pArray->GetElement(i);
- if (pElement->GetType() == PDFOBJ_NAME) {
- CFX_ByteString name = pElement->GetString();
- CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
- if (!fullname.IsEmpty()) {
- pArray->SetAt(i, CPDF_Name::Create(fullname));
- }
- } else {
- _PDF_ReplaceAbbr(pElement);
- }
- }
- break;
- }
- }
-}
-static CFX_ByteStringC _PDF_FindAbbrName(const _FX_BSTR* table, int count, FX_BSTR fullName)
-{
- int i = 0;
- while (i < count) {
- if (fullName.GetLength() == table[i].m_Size && FXSYS_memcmp32(fullName.GetPtr(), table[i].m_Ptr, fullName.GetLength()) == 0) {
- return CFX_ByteStringC(table[i + 1].m_Ptr, table[i + 1].m_Size);
- }
- i += 2;
- }
- return CFX_ByteStringC();
-}
-void _PDF_ReplaceFull(CPDF_Object* pObj)
-{
- switch (pObj->GetType()) {
- case PDFOBJ_DICTIONARY: {
- CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
- FX_POSITION pos = pDict->GetStartPos();
- while (pos) {
- CFX_ByteString key;
- CPDF_Object* value = pDict->GetNextElement(pos, key);
- CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineKeyAbbr,
- sizeof(_PDF_InlineKeyAbbr) / sizeof(_FX_BSTR), key);
- if (!abbrName.IsEmpty()) {
- pDict->ReplaceKey(key, abbrName);
- key = abbrName;
- }
- if (value->GetType() == PDFOBJ_NAME) {
- CFX_ByteString name = value->GetString();
- abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
- sizeof(_PDF_InlineValueAbbr) / sizeof(_FX_BSTR), name);
- if (!abbrName.IsEmpty()) {
- pDict->SetAtName(key, abbrName);
- }
- } else {
- _PDF_ReplaceFull(value);
- }
- }
- break;
- }
- case PDFOBJ_ARRAY: {
- CPDF_Array* pArray = (CPDF_Array*)pObj;
- for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
- CPDF_Object* pElement = pArray->GetElement(i);
- if (pElement->GetType() == PDFOBJ_NAME) {
- CFX_ByteString name = pElement->GetString();
- CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
- if (!abbrName.IsEmpty()) {
- pArray->SetAt(i, CPDF_Name::Create(abbrName));
- }
- } else {
- _PDF_ReplaceFull(pElement);
- }
- }
- break;
- }
- }
-}
-void CPDF_StreamContentParser::Handle_BeginText()
-{
- m_pCurStates->m_TextMatrix.Set(1.0f, 0, 0, 1.0f, 0, 0);
- OnChangeTextMatrix();
- m_pCurStates->m_TextX = 0;
- m_pCurStates->m_TextY = 0;
- m_pCurStates->m_TextLineX = 0;
- m_pCurStates->m_TextLineY = 0;
-}
-void CPDF_StreamContentParser::Handle_BeginSectionUndefined()
-{
- m_CompatCount ++;
-}
-void CPDF_StreamContentParser::Handle_CurveTo_123()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(GetNumber(5), GetNumber(4), FXPT_BEZIERTO);
- AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
-}
-void CPDF_StreamContentParser::Handle_ConcatMatrix()
-{
- FX_FLOAT a2 = GetNumber16(5), b2 = GetNumber16(4), c2 = GetNumber16(3), d2 = GetNumber16(2);
- FX_FLOAT e2 = GetNumber(1), f2 = GetNumber(0);
- FX_FLOAT old_width_scale = m_pCurStates->m_CTM.GetXUnit();
- CFX_AffineMatrix new_matrix(a2, b2, c2, d2, e2, f2);
- new_matrix.Concat(m_pCurStates->m_CTM);
- m_pCurStates->m_CTM = new_matrix;
- FX_FLOAT new_width_scale = m_pCurStates->m_CTM.GetXUnit();
- OnChangeTextMatrix();
-}
-void CPDF_StreamContentParser::Handle_SetColorSpace_Fill()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CFX_ByteString csname = GetString(0);
- CPDF_ColorSpace* pCS = FindColorSpace(csname);
- if (pCS == NULL) {
- return;
- }
- m_pCurStates->m_ColorState.GetModify()->m_FillColor.SetColorSpace(pCS);
-}
-void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CFX_ByteString csname = GetString(0);
- CPDF_ColorSpace* pCS = FindColorSpace(csname);
- if (pCS == NULL) {
- return;
- }
- m_pCurStates->m_ColorState.GetModify()->m_StrokeColor.SetColorSpace(pCS);
-}
-void CPDF_StreamContentParser::Handle_SetDash()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_Array* pArray = GetObject(1)->GetArray();
- if (pArray == NULL) {
- return;
- }
- m_pCurStates->SetLineDash(pArray, GetNumber(0), 1.0f);
-}
-void CPDF_StreamContentParser::Handle_SetCharWidth()
-{
- m_Type3Data[0] = GetNumber(1);
- m_Type3Data[1] = GetNumber(0);
- m_bColored = TRUE;
-}
-void CPDF_StreamContentParser::Handle_SetCachedDevice()
-{
- for (int i = 0; i < 6; i ++) {
- m_Type3Data[i] = GetNumber(5 - i);
- }
- m_bColored = FALSE;
-}
-void CPDF_StreamContentParser::Handle_ExecuteXObject()
-{
- CFX_ByteString name = GetString(0);
- if (name == m_LastImageName && m_pLastImage && m_pLastImage->GetStream() && m_pLastImage->GetStream()->GetObjNum()) {
-#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
- AddDuplicateImage();
-#else
- AddImage(NULL, m_pLastImage, FALSE);
-#endif
- return;
- }
- if (m_Options.m_bTextOnly) {
- CPDF_Object* pRes = NULL;
- if (m_pResources == NULL) {
- return;
- }
- if (m_pResources == m_pPageResources) {
- CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
- if (pList == NULL) {
- return;
- }
- pRes = pList->GetElement(name);
- if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
- return;
- }
- } else {
- CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
- if (pList == NULL) {
- if (m_pPageResources == NULL) {
- return;
- }
- CPDF_Dictionary* pList = m_pPageResources->GetDict(FX_BSTRC("XObject"));
- if (pList == NULL) {
- return;
- }
- pRes = pList->GetElement(name);
- if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
- return;
- }
- } else {
- pRes = pList->GetElement(name);
- if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
- return;
- }
- }
- }
- FX_BOOL bForm;
- if (m_pDocument->IsFormStream(((CPDF_Reference*)pRes)->GetRefObjNum(), bForm) && !bForm) {
- return;
- }
- }
- CPDF_Stream* pXObject = (CPDF_Stream*)FindResourceObj(FX_BSTRC("XObject"), name);
- if (pXObject == NULL || pXObject->GetType() != PDFOBJ_STREAM) {
- m_bResourceMissing = TRUE;
- return;
- }
- CFX_ByteStringC type = pXObject->GetDict()->GetConstString(FX_BSTRC("Subtype"));
- if (type == FX_BSTRC("Image")) {
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_ImageObject* pObj = AddImage(pXObject, NULL, FALSE);
- m_LastImageName = name;
- m_pLastImage = pObj->m_pImage;
- } else if (type == FX_BSTRC("Form")) {
- AddForm(pXObject);
- } else {
- return;
- }
-}
-void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
-{
-#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
- if (!m_Options.m_bSeparateForm) {
- CPDF_Dictionary* pResources = pStream->GetDict()->GetDict(FX_BSTRC("Resources"));
- CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix(FX_BSTRC("Matrix"));
- form_matrix.Concat(m_pCurStates->m_CTM);
- CPDF_Array* pBBox = pStream->GetDict()->GetArray(FX_BSTRC("BBox"));
- CFX_FloatRect form_bbox;
- CPDF_Path ClipPath;
- if (pBBox) {
- form_bbox = pStream->GetDict()->GetRect(FX_BSTRC("BBox"));
- ClipPath.New();
- ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right, form_bbox.top);
- ClipPath.Transform(&form_matrix);
- form_bbox.Transform(&form_matrix);
- }
- CPDF_StreamContentParser parser;
- parser.Initialize();
- parser.PrepareParse(m_pDocument, m_pPageResources, m_pResources, &m_mtContentToUser,
- m_pObjectList, pResources, &form_bbox, &m_Options, m_pCurStates, m_Level + 1);
- parser.m_pCurStates->m_CTM = form_matrix;
- if (ClipPath.NotNull()) {
- parser.m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
- }
- CPDF_StreamAcc stream;
- stream.LoadAllData(pStream, FALSE);
- if (stream.GetSize() == 0) {
- return;
- }
-#ifdef _FPDFAPI_MINI_
- parser.InputData(stream.GetData(), stream.GetSize());
- parser.Finish();
-#else
- parser.Parse(stream.GetData(), stream.GetSize(), 0);
-#endif
- return;
- }
-#endif
- CPDF_FormObject* pFormObj = FX_NEW CPDF_FormObject;
- pFormObj->m_pForm = FX_NEW CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources);
- pFormObj->m_FormMatrix = m_pCurStates->m_CTM;
- pFormObj->m_FormMatrix.Concat(m_mtContentToUser);
- CPDF_AllStates status;
- status.m_GeneralState = m_pCurStates->m_GeneralState;
- status.m_GraphState = m_pCurStates->m_GraphState;
- status.m_ColorState = m_pCurStates->m_ColorState;
- status.m_TextState = m_pCurStates->m_TextState;
- pFormObj->m_pForm->ParseContent(&status, NULL, NULL, &m_Options, m_Level + 1);
- if (!m_pObjectList->m_bBackgroundAlphaNeeded && pFormObj->m_pForm->m_bBackgroundAlphaNeeded) {
- m_pObjectList->m_bBackgroundAlphaNeeded = TRUE;
- }
- pFormObj->CalcBoundingBox();
- SetGraphicStates(pFormObj, TRUE, TRUE, TRUE);
- m_pObjectList->m_ObjectList.AddTail(pFormObj);
-}
-#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
-void CPDF_StreamContentParser::AddDuplicateImage()
-{
- FX_POSITION tailpos = m_pObjectList->m_ObjectList.GetTailPosition();
- CPDF_PageObject* pLastObj = (CPDF_PageObject*)m_pObjectList->m_ObjectList.GetAt(tailpos);
- if (pLastObj == NULL || (pLastObj->m_Type != PDFPAGE_INLINES && pLastObj->m_Type != PDFPAGE_IMAGE)) {
- AddImage(NULL, m_pLastImage, FALSE);
- return;
- }
- if (pLastObj->m_GeneralState != m_pCurStates->m_GeneralState ||
- pLastObj->m_ClipPath != m_pCurStates->m_ClipPath ||
- pLastObj->m_ColorState != m_pCurStates->m_ColorState) {
- AddImage(NULL, m_pLastImage, FALSE);
- return;
- }
- CFX_AffineMatrix ImageMatrix;
- ImageMatrix.Copy(m_pCurStates->m_CTM);
- ImageMatrix.Concat(m_mtContentToUser);
- if (pLastObj->m_Type == PDFPAGE_INLINES) {
- CPDF_InlineImages* pInlines = (CPDF_InlineImages*)pLastObj;
- if (pInlines->m_pStream != m_pLastImage->GetStream()) {
- AddImage(NULL, m_pLastImage, FALSE);
- return;
- }
- pInlines->AddMatrix(ImageMatrix);
- } else {
- CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pLastObj;
- CPDF_InlineImages* pInlines = FX_NEW CPDF_InlineImages;
- pInlines->m_pStream = m_pLastImage->GetStream();
- SetGraphicStates(pInlines, !pInlines->m_pStream->GetDict()->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
- pInlines->AddMatrix(pImageObj->m_Matrix);
- pInlines->AddMatrix(ImageMatrix);
- m_pObjectList->m_ObjectList.RemoveAt(tailpos);
- m_pObjectList->m_ObjectList.AddTail(pInlines);
- pLastObj->Release();
- }
-}
-#endif
-CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, CPDF_Image* pImage, FX_BOOL bInline)
-{
- if (pStream == NULL && pImage == NULL) {
- return NULL;
- }
- CFX_AffineMatrix ImageMatrix;
- ImageMatrix.Copy(m_pCurStates->m_CTM);
- ImageMatrix.Concat(m_mtContentToUser);
- CPDF_ImageObject* pImageObj = FX_NEW CPDF_ImageObject;
- if (pImage) {
- pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pImage->GetStream());
- } else if (pStream->GetObjNum()) {
- pImageObj->m_pImage = m_pDocument->LoadImageF(pStream);
- } else {
- pImageObj->m_pImage = FX_NEW CPDF_Image(m_pDocument);
- pImageObj->m_pImage->LoadImageF(pStream, bInline);
- }
- SetGraphicStates(pImageObj, pImageObj->m_pImage->IsMask(), FALSE, FALSE);
- pImageObj->m_Matrix = ImageMatrix;
- pImageObj->CalcBoundingBox();
- m_pObjectList->m_ObjectList.AddTail(pImageObj);
- return pImageObj;
-}
-void CPDF_StreamContentParser::Handle_MarkPlace_Dictionary()
-{
-}
-void CPDF_StreamContentParser::Handle_EndImage()
-{
-}
-void CPDF_StreamContentParser::Handle_EndMarkedContent()
-{
- if (!m_Options.m_bMarkedContent) {
- return;
- }
- if (m_CurContentMark.IsNull()) {
- return;
- }
- int count = m_CurContentMark.GetObject()->CountItems();
- if (count == 1) {
- m_CurContentMark.SetNull();
- return;
- }
- m_CurContentMark.GetModify()->DeleteLastMark();
-}
-void CPDF_StreamContentParser::Handle_EndText()
-{
- int count = m_ClipTextList.GetSize();
- if (count == 0) {
- return;
- }
- if (m_pCurStates->m_TextState.GetObject()->m_TextMode < 4) {
- for (int i = 0; i < count; i ++) {
- CPDF_TextObject* pText = (CPDF_TextObject*)m_ClipTextList.GetAt(i);
- if (pText) {
- delete pText;
- }
- }
- } else {
- m_pCurStates->m_ClipPath.AppendTexts((CPDF_TextObject**)m_ClipTextList.GetData(), count);
- }
- m_ClipTextList.RemoveAll();
-}
-void CPDF_StreamContentParser::Handle_EndSectionUndefined()
-{
- if (m_CompatCount) {
- m_CompatCount --;
- }
-}
-void CPDF_StreamContentParser::Handle_FillPath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(FXFILL_WINDING, FALSE);
-}
-void CPDF_StreamContentParser::Handle_FillPathOld()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(FXFILL_WINDING, FALSE);
-}
-void CPDF_StreamContentParser::Handle_EOFillPath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(FXFILL_ALTERNATE, FALSE);
-}
-void CPDF_StreamContentParser::Handle_SetGray_Fill()
-{
- FX_FLOAT value = GetNumber(0);
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- m_pCurStates->m_ColorState.SetFillColor(pCS, &value, 1);
-}
-void CPDF_StreamContentParser::Handle_SetGray_Stroke()
-{
- FX_FLOAT value = GetNumber(0);
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- m_pCurStates->m_ColorState.SetStrokeColor(pCS, &value, 1);
-}
-void CPDF_StreamContentParser::Handle_SetExtendGraphState()
-{
- CFX_ByteString name = GetString(0);
- CPDF_Dictionary* pGS = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("ExtGState"), name);
- if (pGS == NULL || pGS->GetType() != PDFOBJ_DICTIONARY) {
- m_bResourceMissing = TRUE;
- return;
- }
- m_pCurStates->ProcessExtGS(pGS, this);
-}
-void CPDF_StreamContentParser::Handle_ClosePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- if (m_PathPointCount == 0) {
- return;
- }
- if (m_PathStartX != m_PathCurrentX || m_PathStartY != m_PathCurrentY) {
- AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
- } else if (m_pPathPoints[m_PathPointCount - 1].m_Flag != FXPT_MOVETO) {
- m_pPathPoints[m_PathPointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
- }
-}
-void CPDF_StreamContentParser::Handle_SetFlat()
-{
-#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
- m_pCurStates->m_GeneralState.GetModify()->m_Flatness = GetNumber(0);
-#endif
-}
-void CPDF_StreamContentParser::Handle_BeginImageData()
-{
-}
-void CPDF_StreamContentParser::Handle_SetLineJoin()
-{
- m_pCurStates->m_GraphState.GetModify()->m_LineJoin = (CFX_GraphStateData::LineJoin)GetInteger(0);
-}
-void CPDF_StreamContentParser::Handle_SetLineCap()
-{
- m_pCurStates->m_GraphState.GetModify()->m_LineCap = (CFX_GraphStateData::LineCap)GetInteger(0);
-}
-void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill()
-{
- REQUIRE_PARAMS(4);
- FX_FLOAT values[4];
- for (int i = 0; i < 4; i ++) {
- values[i] = GetNumber(3 - i);
- }
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- m_pCurStates->m_ColorState.SetFillColor(pCS, values, 4);
-}
-void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke()
-{
- REQUIRE_PARAMS(4);
- FX_FLOAT values[4];
- for (int i = 0; i < 4; i ++) {
- values[i] = GetNumber(3 - i);
- }
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 4);
-}
-void CPDF_StreamContentParser::Handle_LineTo()
-{
- REQUIRE_PARAMS(2);
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_LINETO);
-}
-void CPDF_StreamContentParser::Handle_MoveTo()
-{
- REQUIRE_PARAMS(2);
- if (m_Options.m_bTextOnly) {
-#ifndef _FPDFAPI_MINI_
- m_pSyntax->SkipPathObject();
-#endif
- return;
- }
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_MOVETO);
-#ifndef _FPDFAPI_MINI_
- ParsePathObject();
-#endif
-}
-void CPDF_StreamContentParser::Handle_SetMiterLimit()
-{
- m_pCurStates->m_GraphState.GetModify()->m_MiterLimit = GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_MarkPlace()
-{
-}
-void CPDF_StreamContentParser::Handle_EndPath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(0, FALSE);
-}
-void CPDF_StreamContentParser::Handle_SaveGraphState()
-{
- CPDF_AllStates* pStates = FX_NEW CPDF_AllStates;
- pStates->Copy(*m_pCurStates);
- m_StateStack.Add(pStates);
-}
-void CPDF_StreamContentParser::Handle_RestoreGraphState()
-{
- int size = m_StateStack.GetSize();
- if (size == 0) {
- return;
- }
- CPDF_AllStates* pStates = (CPDF_AllStates*)m_StateStack.GetAt(size - 1);
- m_pCurStates->Copy(*pStates);
- delete pStates;
- m_StateStack.RemoveAt(size - 1);
-}
-void CPDF_StreamContentParser::Handle_Rectangle()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- FX_FLOAT x = GetNumber(3), y = GetNumber(2);
- FX_FLOAT w = GetNumber(1), h = GetNumber(0);
- AddPathRect(x, y, w, h);
-}
-void CPDF_StreamContentParser::AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h)
-{
- AddPathPoint(x, y, FXPT_MOVETO);
- AddPathPoint(x + w, y, FXPT_LINETO);
- AddPathPoint(x + w, y + h, FXPT_LINETO);
- AddPathPoint(x, y + h, FXPT_LINETO);
- AddPathPoint(x, y, FXPT_LINETO | FXPT_CLOSEFIGURE);
-}
-void CPDF_StreamContentParser::Handle_SetRGBColor_Fill()
-{
- REQUIRE_PARAMS(3);
- FX_FLOAT values[3];
- for (int i = 0; i < 3; i ++) {
- values[i] = GetNumber(2 - i);
- }
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- m_pCurStates->m_ColorState.SetFillColor(pCS, values, 3);
-}
-void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke()
-{
- REQUIRE_PARAMS(3);
- FX_FLOAT values[3];
- for (int i = 0; i < 3; i ++) {
- values[i] = GetNumber(2 - i);
- }
- CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 3);
-}
-void CPDF_StreamContentParser::Handle_SetRenderIntent()
-{
-}
-void CPDF_StreamContentParser::Handle_CloseStrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- Handle_ClosePath();
- AddPathObject(0, TRUE);
-}
-void CPDF_StreamContentParser::Handle_StrokePath()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathObject(0, TRUE);
-}
-void CPDF_StreamContentParser::Handle_SetColor_Fill()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- FX_FLOAT values[4];
- int nargs = m_ParamCount;
- if (nargs > 4) {
- nargs = 4;
- }
- for (int i = 0; i < nargs; i ++) {
- values[i] = GetNumber(nargs - i - 1);
- }
- m_pCurStates->m_ColorState.SetFillColor(NULL, values, nargs);
-}
-void CPDF_StreamContentParser::Handle_SetColor_Stroke()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- FX_FLOAT values[4];
- int nargs = m_ParamCount;
- if (nargs > 4) {
- nargs = 4;
- }
- for (int i = 0; i < nargs; i ++) {
- values[i] = GetNumber(nargs - i - 1);
- }
- m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nargs);
-}
-void CPDF_StreamContentParser::Handle_SetColorPS_Fill()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_Object* pLastParam = GetObject(0);
- if (pLastParam == NULL) {
- return;
- }
- int nargs = m_ParamCount;
- int nvalues = nargs;
- if (pLastParam->GetType() == PDFOBJ_NAME) {
- nvalues --;
- }
- FX_FLOAT* values = NULL;
- if (nvalues) {
- values = FX_Alloc(FX_FLOAT, nvalues);
- for (int i = 0; i < nvalues; i ++) {
- values[i] = GetNumber(nargs - i - 1);
- }
- }
- if (nvalues != nargs) {
- CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
- if (pPattern) {
- m_pCurStates->m_ColorState.SetFillPattern(pPattern, values, nvalues);
- }
- } else {
- m_pCurStates->m_ColorState.SetFillColor(NULL, values, nvalues);
- }
- if (values) {
- FX_Free(values);
- }
-}
-void CPDF_StreamContentParser::Handle_SetColorPS_Stroke()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_Object* pLastParam = GetObject(0);
- if (pLastParam == NULL) {
- return;
- }
- int nargs = m_ParamCount;
- int nvalues = nargs;
- if (pLastParam->GetType() == PDFOBJ_NAME) {
- nvalues --;
- }
- FX_FLOAT* values = NULL;
- if (nvalues) {
- values = FX_Alloc(FX_FLOAT, nvalues);
- for (int i = 0; i < nvalues; i ++) {
- values[i] = GetNumber(nargs - i - 1);
- }
- }
- if (nvalues != nargs) {
- CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
- if (pPattern) {
- m_pCurStates->m_ColorState.SetStrokePattern(pPattern, values, nvalues);
- }
- } else {
- m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nvalues);
- }
- if (values) {
- FX_Free(values);
- }
-}
-CFX_FloatRect _GetShadingBBox(CPDF_Stream* pStream, int type, const CFX_AffineMatrix* pMatrix,
- CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS);
-void CPDF_StreamContentParser::Handle_ShadeFill()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- CPDF_Pattern* pPattern = FindPattern(GetString(0), TRUE);
- if (pPattern == NULL) {
- return;
- }
- if (pPattern->m_PatternType != PATTERN_SHADING) {
- return;
- }
- CPDF_ShadingPattern* pShading = (CPDF_ShadingPattern*)pPattern;
- if (!pShading->m_bShadingObj) {
- return;
- }
- if (!pShading->Load()) {
- return;
- }
- CPDF_ShadingObject* pObj = FX_NEW CPDF_ShadingObject;
- pObj->m_pShading = pShading;
- SetGraphicStates(pObj, FALSE, FALSE, FALSE);
- pObj->m_Matrix = m_pCurStates->m_CTM;
- pObj->m_Matrix.Concat(m_mtContentToUser);
- CFX_FloatRect bbox;
- if (!pObj->m_ClipPath.IsNull()) {
- bbox = pObj->m_ClipPath.GetClipBox();
- } else {
- bbox = m_BBox;
- }
- if (pShading->m_ShadingType >= 4) {
- bbox.Intersect(_GetShadingBBox((CPDF_Stream*)pShading->m_pShadingObj, pShading->m_ShadingType, &pObj->m_Matrix,
- pShading->m_pFunctions, pShading->m_nFuncs, pShading->m_pCS));
- }
- pObj->m_Left = bbox.left;
- pObj->m_Right = bbox.right;
- pObj->m_Top = bbox.top;
- pObj->m_Bottom = bbox.bottom;
- m_pObjectList->m_ObjectList.AddTail(pObj);
-}
-void CPDF_StreamContentParser::Handle_SetCharSpace()
-{
- m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_MoveTextPoint()
-{
- m_pCurStates->m_TextLineX += GetNumber(1);
- m_pCurStates->m_TextLineY += GetNumber(0);
- m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
- m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
-}
-void CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading()
-{
- Handle_MoveTextPoint();
- m_pCurStates->m_TextLeading = -GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_SetFont()
-{
- FX_FLOAT fs = GetNumber(0);
- if (fs == 0) {
- fs = m_DefFontSize;
- }
- m_pCurStates->m_TextState.GetModify()->m_FontSize = fs;
- CPDF_Font* pFont = FindFont(GetString(1));
- if (pFont) {
- m_pCurStates->m_TextState.SetFont(pFont);
- }
-}
-CPDF_Object* CPDF_StreamContentParser::FindResourceObj(FX_BSTR type, const CFX_ByteString& name)
-{
- if (m_pResources == NULL) {
- return NULL;
- }
- if (m_pResources == m_pPageResources) {
- CPDF_Dictionary* pList = m_pResources->GetDict(type);
- if (pList == NULL) {
- return NULL;
- }
- CPDF_Object* pRes = pList->GetElementValue(name);
- return pRes;
- }
- CPDF_Dictionary* pList = m_pResources->GetDict(type);
- if (pList == NULL) {
- if (m_pPageResources == NULL) {
- return NULL;
- }
- CPDF_Dictionary* pList = m_pPageResources->GetDict(type);
- if (pList == NULL) {
- return NULL;
- }
- CPDF_Object* pRes = pList->GetElementValue(name);
- return pRes;
- }
- CPDF_Object* pRes = pList->GetElementValue(name);
- return pRes;
-}
-CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name)
-{
- CPDF_Dictionary* pFontDict = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("Font"), name);
- if (pFontDict == NULL || pFontDict->GetType() != PDFOBJ_DICTIONARY) {
- m_bResourceMissing = TRUE;
- return CPDF_Font::GetStockFont(m_pDocument, FX_BSTRC("Helvetica"));
- }
- CPDF_Font* pFont = m_pDocument->LoadFont(pFontDict);
- if (pFont && pFont->GetType3Font()) {
- pFont->GetType3Font()->SetPageResources(m_pResources);
- pFont->GetType3Font()->CheckType3FontMetrics();
- }
- return pFont;
-}
-CPDF_ColorSpace* CPDF_StreamContentParser::FindColorSpace(const CFX_ByteString& name)
-{
- if (name == FX_BSTRC("Pattern")) {
- return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
- }
- if (name == FX_BSTRC("DeviceGray") || name == FX_BSTRC("DeviceCMYK") || name == FX_BSTRC("DeviceRGB")) {
- CFX_ByteString defname = "Default";
- defname += name.Mid(7);
- CPDF_Object* pDefObj = FindResourceObj(FX_BSTRC("ColorSpace"), defname);
- if (pDefObj == NULL) {
- if (name == FX_BSTRC("DeviceGray")) {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
- }
- if (name == FX_BSTRC("DeviceRGB")) {
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
- }
- return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
- }
- return m_pDocument->LoadColorSpace(pDefObj);
- }
- CPDF_Object* pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
- if (pCSObj == NULL) {
- m_bResourceMissing = TRUE;
- return NULL;
- }
- return m_pDocument->LoadColorSpace(pCSObj);
-}
-CPDF_Pattern* CPDF_StreamContentParser::FindPattern(const CFX_ByteString& name, FX_BOOL bShading)
-{
- CPDF_Object* pPattern = FindResourceObj(bShading ? FX_BSTRC("Shading") : FX_BSTRC("Pattern"), name);
- if (pPattern == NULL || (pPattern->GetType() != PDFOBJ_DICTIONARY &&
- pPattern->GetType() != PDFOBJ_STREAM)) {
- m_bResourceMissing = TRUE;
- return NULL;
- }
- return m_pDocument->LoadPattern(pPattern, bShading, &m_pCurStates->m_ParentMatrix);
-}
-void CPDF_StreamContentParser::ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y)
-{
- m_pCurStates->m_TextMatrix.Transform(x, y, x, y);
- ConvertUserSpace(x, y);
-}
-void CPDF_StreamContentParser::ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y)
-{
- m_pCurStates->m_CTM.Transform(x, y, x, y);
- m_mtContentToUser.Transform(x, y, x, y);
-}
-void CPDF_StreamContentParser::AddTextObject(CFX_ByteString* pStrs, FX_FLOAT fInitKerning, FX_FLOAT* pKerning, int nsegs)
-{
- CPDF_Font* pFont = m_pCurStates->m_TextState.GetFont();
- if (pFont == NULL) {
- return;
- }
- if (fInitKerning != 0) {
- if (!pFont->IsVertWriting()) {
- m_pCurStates->m_TextX -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
- } else {
- m_pCurStates->m_TextY -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
- }
- }
- if (nsegs == 0) {
- return;
- }
- int textmode;
- if (pFont->GetFontType() == PDFFONT_TYPE3) {
- textmode = 0;
- } else {
- textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
- }
- CPDF_TextObject* pText = FX_NEW CPDF_TextObject;
- m_pLastTextObject = pText;
- SetGraphicStates(pText, TRUE, TRUE, TRUE);
- if (textmode && textmode != 3 && textmode != 4 && textmode != 7) {
- FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM;
- pCTM[0] = m_pCurStates->m_CTM.a;
- pCTM[1] = m_pCurStates->m_CTM.c;
- pCTM[2] = m_pCurStates->m_CTM.b;
- pCTM[3] = m_pCurStates->m_CTM.d;
- }
- pText->SetSegments(pStrs, pKerning, nsegs);
- pText->m_PosX = m_pCurStates->m_TextX;
- pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise;
- ConvertTextSpace(pText->m_PosX, pText->m_PosY);
- FX_FLOAT x_advance, y_advance;
- pText->CalcPositionData(&x_advance, &y_advance, m_pCurStates->m_TextHorzScale, m_Level);
- m_pCurStates->m_TextX += x_advance;
- m_pCurStates->m_TextY += y_advance;
- if (textmode > 3) {
- CPDF_TextObject* pCopy = FX_NEW CPDF_TextObject;
- pCopy->Copy(pText);
- m_ClipTextList.Add(pCopy);
- }
- m_pObjectList->m_ObjectList.AddTail(pText);
- if (pKerning && pKerning[nsegs - 1] != 0) {
- if (!pFont->IsVertWriting()) {
- m_pCurStates->m_TextX -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
- } else {
- m_pCurStates->m_TextY -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
- }
- }
-}
-void CPDF_StreamContentParser::Handle_ShowText()
-{
- CFX_ByteString str = GetString(0);
- if (str.IsEmpty()) {
- return;
- }
- AddTextObject(&str, 0, NULL, 1);
-}
-void CPDF_StreamContentParser::Handle_ShowText_Positioning()
-{
- CPDF_Array* pArray = GetObject(0)->GetArray();
- if (pArray == NULL) {
- return;
- }
- int n = pArray->GetCount(), nsegs = 0, i;
- for (i = 0; i < n; i ++) {
- CPDF_Object* pObj = pArray->GetElementValue(i);
- if (pObj->GetType() == PDFOBJ_STRING) {
- nsegs ++;
- }
- }
- if (nsegs == 0) {
- for (i = 0; i < n; i ++) {
- m_pCurStates->m_TextX -= FXSYS_Mul(pArray->GetNumber(i), m_pCurStates->m_TextState.GetFontSize()) / 1000;
- };
- return;
- }
- CFX_ByteString* pStrs;
- FX_NEW_VECTOR(pStrs, CFX_ByteString, nsegs);
- FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
- int iSegment = 0;
- FX_FLOAT fInitKerning = 0;
- for (i = 0; i < n; i ++) {
- CPDF_Object* pObj = pArray->GetElementValue(i);
- if (pObj->GetType() == PDFOBJ_STRING) {
- CFX_ByteString str = pObj->GetString();
- if (str.IsEmpty()) {
- continue;
- }
- pStrs[iSegment] = str;
- pKerning[iSegment ++] = 0;
- } else {
- if (iSegment == 0) {
- fInitKerning += pObj->GetNumber();
- } else {
- pKerning[iSegment - 1] += pObj->GetNumber();
- }
- }
- }
- AddTextObject(pStrs, fInitKerning, pKerning, iSegment);
- FX_DELETE_VECTOR(pStrs, CFX_ByteString, nsegs);
- FX_Free(pKerning);
-}
-void CPDF_StreamContentParser::Handle_SetTextLeading()
-{
- m_pCurStates->m_TextLeading = GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_SetTextMatrix()
-{
- m_pCurStates->m_TextMatrix.Set(GetNumber16(5), GetNumber16(4), GetNumber16(3),
- GetNumber16(2), GetNumber(1), GetNumber(0));
- OnChangeTextMatrix();
- m_pCurStates->m_TextX = 0;
- m_pCurStates->m_TextY = 0;
- m_pCurStates->m_TextLineX = 0;
- m_pCurStates->m_TextLineY = 0;
-}
-void CPDF_StreamContentParser::OnChangeTextMatrix()
-{
- CFX_AffineMatrix text_matrix(m_pCurStates->m_TextHorzScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
- text_matrix.Concat(m_pCurStates->m_TextMatrix);
- text_matrix.Concat(m_pCurStates->m_CTM);
- text_matrix.Concat(m_mtContentToUser);
- FX_FLOAT* pTextMatrix = m_pCurStates->m_TextState.GetModify()->m_Matrix;
- pTextMatrix[0] = text_matrix.a;
- pTextMatrix[1] = text_matrix.c;
- pTextMatrix[2] = text_matrix.b;
- pTextMatrix[3] = text_matrix.d;
-}
-void CPDF_StreamContentParser::Handle_SetTextRenderMode()
-{
- int mode = GetInteger(0);
- if (mode < 0 || mode > 7) {
- return;
- }
- m_pCurStates->m_TextState.GetModify()->m_TextMode = mode;
-}
-void CPDF_StreamContentParser::Handle_SetTextRise()
-{
- m_pCurStates->m_TextRise = GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_SetWordSpace()
-{
- m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(0);
-}
-void CPDF_StreamContentParser::Handle_SetHorzScale()
-{
- if (m_ParamCount != 1) {
- return;
- }
- m_pCurStates->m_TextHorzScale = GetNumber(0) / 100;
- OnChangeTextMatrix();
-}
-void CPDF_StreamContentParser::Handle_MoveToNextLine()
-{
- m_pCurStates->m_TextLineY -= m_pCurStates->m_TextLeading;
- m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
- m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
-}
-void CPDF_StreamContentParser::Handle_CurveTo_23()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(m_PathCurrentX, m_PathCurrentY, FXPT_BEZIERTO);
- AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
-}
-void CPDF_StreamContentParser::Handle_SetLineWidth()
-{
- FX_FLOAT width = GetNumber(0);
- m_pCurStates->m_GraphState.GetModify()->m_LineWidth = width;
-}
-void CPDF_StreamContentParser::Handle_Clip()
-{
- m_PathClipType = FXFILL_WINDING;
-}
-void CPDF_StreamContentParser::Handle_EOClip()
-{
- m_PathClipType = FXFILL_ALTERNATE;
-}
-void CPDF_StreamContentParser::Handle_CurveTo_13()
-{
- if (m_Options.m_bTextOnly) {
- return;
- }
- AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
- AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
-}
-void CPDF_StreamContentParser::Handle_NextLineShowText()
-{
- Handle_MoveToNextLine();
- Handle_ShowText();
-}
-void CPDF_StreamContentParser::Handle_NextLineShowText_Space()
-{
- m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(2);
- m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(1);
- Handle_NextLineShowText();
-}
-void CPDF_StreamContentParser::Handle_Invalid()
-{
-}
-void CPDF_StreamContentParser::AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag)
-{
- m_PathCurrentX = x;
- m_PathCurrentY = y;
- if (flag == FXPT_MOVETO) {
- m_PathStartX = x;
- m_PathStartY = y;
- if (m_PathPointCount && m_pPathPoints[m_PathPointCount - 1].m_Flag == FXPT_MOVETO) {
- m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
- m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
- return;
- }
- } else if (m_PathPointCount == 0) {
- return;
- }
- m_PathPointCount ++;
- if (m_PathPointCount > m_PathAllocSize) {
- int newsize = m_PathPointCount + 256;
- FX_PATHPOINT* pNewPoints = FX_Alloc(FX_PATHPOINT, newsize);
- if (m_PathAllocSize) {
- FXSYS_memcpy32(pNewPoints, m_pPathPoints, m_PathAllocSize * sizeof(FX_PATHPOINT));
- FX_Free(m_pPathPoints);
- }
- m_pPathPoints = pNewPoints;
- m_PathAllocSize = newsize;
- }
- m_pPathPoints[m_PathPointCount - 1].m_Flag = flag;
- m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
- m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
-}
-void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke)
-{
- int PathPointCount = m_PathPointCount, PathClipType = m_PathClipType;
- m_PathPointCount = 0;
- m_PathClipType = 0;
- if (PathPointCount <= 1) {
- if (PathPointCount && PathClipType) {
- CPDF_Path path;
- path.New()->AppendRect(0, 0, 0, 0);
- m_pCurStates->m_ClipPath.AppendPath(path, FXFILL_WINDING, TRUE);
- }
- return;
- }
- if (PathPointCount && m_pPathPoints[PathPointCount - 1].m_Flag == FXPT_MOVETO) {
- PathPointCount --;
- }
- CPDF_Path Path;
- CFX_PathData* pPathData = Path.New();
- pPathData->SetPointCount(PathPointCount);
- FXSYS_memcpy32(pPathData->GetPoints(), m_pPathPoints, sizeof(FX_PATHPOINT) * PathPointCount);
- CFX_AffineMatrix matrix = m_pCurStates->m_CTM;
- matrix.Concat(m_mtContentToUser);
- if (bStroke || FillType) {
- CPDF_PathObject* pPathObj = FX_NEW CPDF_PathObject;
- pPathObj->m_bStroke = bStroke;
- pPathObj->m_FillType = FillType;
- pPathObj->m_Path = Path;
- pPathObj->m_Matrix = matrix;
- SetGraphicStates(pPathObj, TRUE, FALSE, TRUE);
- pPathObj->CalcBoundingBox();
- m_pObjectList->m_ObjectList.AddTail(pPathObj);
- }
- if (PathClipType) {
- if (!matrix.IsIdentity()) {
- Path.Transform(&matrix);
- matrix.SetIdentity();
- }
- m_pCurStates->m_ClipPath.AppendPath(Path, PathClipType, TRUE);
- }
-}
-CFX_ByteString _FPDF_ByteStringFromHex(CFX_BinaryBuf& src_buf)
-{
- CFX_ByteTextBuf buf;
- FX_BOOL bFirst = TRUE;
- int code = 0;
- FX_LPCBYTE str = src_buf.GetBuffer();
- FX_DWORD size = src_buf.GetSize();
- for (FX_DWORD i = 0; i < size; i ++) {
- FX_BYTE ch = str[i];
- if (ch >= '0' && ch <= '9') {
- if (bFirst) {
- code = (ch - '0') * 16;
- } else {
- code += ch - '0';
- buf.AppendChar((char)code);
- }
- bFirst = !bFirst;
- } else if (ch >= 'A' && ch <= 'F') {
- if (bFirst) {
- code = (ch - 'A' + 10) * 16;
- } else {
- code += ch - 'A' + 10;
- buf.AppendChar((char)code);
- }
- bFirst = !bFirst;
- } else if (ch >= 'a' && ch <= 'f') {
- if (bFirst) {
- code = (ch - 'a' + 10) * 16;
- } else {
- code += ch - 'a' + 10;
- buf.AppendChar((char)code);
- }
- bFirst = !bFirst;
- }
- }
- if (!bFirst) {
- buf.AppendChar((char)code);
- }
- return buf.GetByteString();
-}
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fpdfapi/fpdf_serial.h"
+#include "pageint.h"
+#define REQUIRE_PARAMS(count) if (m_ParamCount != count) { m_bAbort = TRUE; return; }
+CPDF_StreamContentParser::CPDF_StreamContentParser()
+{
+ m_DefFontSize = 0;
+ m_pCurStates = NULL;
+ m_pLastTextObject = NULL;
+ m_pPathPoints = NULL;
+ m_PathClipType = 0;
+ m_PathPointCount = m_PathAllocSize = 0;
+ m_PathCurrentX = m_PathCurrentY = 0.0f;
+ m_bResourceMissing = FALSE;
+ m_bColored = FALSE;
+ FXSYS_memset32(m_Type3Data, 0, sizeof(FX_FLOAT) * 6);
+ m_ParamCount = 0;
+ m_ParamStartPos = 0;
+ m_bAbort = FALSE;
+ m_pLastImageDict = NULL;
+ m_pLastCloneImageDict = NULL;
+ m_pLastImage = NULL;
+ m_bReleaseLastDict = TRUE;
+ m_pParentResources = NULL;
+#ifdef _FPDFAPI_MINI_
+ m_pObjectState = NULL;
+ m_pObjectStack = NULL;
+ m_pWordBuf = NULL;
+ m_pDictName = NULL;
+ m_pStreamBuf = NULL;
+ m_WordState = 0;
+ m_ObjectSize = 0;
+#endif
+}
+FX_BOOL CPDF_StreamContentParser::Initialize()
+{
+#ifdef _FPDFAPI_MINI_
+ m_pObjectState = FX_Alloc(FX_BOOL, _FPDF_MAX_OBJECT_STACK_SIZE_);
+ FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
+ m_pObjectStack = FX_Alloc(CPDF_Object*, _FPDF_MAX_OBJECT_STACK_SIZE_);
+ FXSYS_memset32(m_pObjectStack, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(CPDF_Object*));
+ m_pWordBuf = FX_Alloc(FX_BYTE, 256);
+ FXSYS_memset32(m_pWordBuf, 0, 256 * sizeof(FX_BYTE));
+ m_pDictName = FX_Alloc(FX_BYTE, 256);
+ FXSYS_memset32(m_pDictName, 0, 256 * sizeof(FX_BYTE));
+ m_pStreamBuf = FX_Alloc(FX_BYTE, STREAM_PARSE_BUFSIZE);
+ FXSYS_memset32(m_pStreamBuf, 0, STREAM_PARSE_BUFSIZE * sizeof(FX_BYTE));
+ m_StringBuf.EstimateSize(1024);
+ m_ObjectSize = 0;
+ m_ImageSrcBuf.EstimateSize(STREAM_PARSE_BUFSIZE);
+#endif
+ return TRUE;
+}
+CPDF_StreamContentParser::~CPDF_StreamContentParser()
+{
+ ClearAllParams();
+ int i = 0;
+ for (i = 0; i < m_StateStack.GetSize(); i ++) {
+ delete (CPDF_AllStates*)m_StateStack[i];
+ }
+ if (m_pPathPoints) {
+ FX_Free(m_pPathPoints);
+ }
+ if (m_pCurStates) {
+ delete m_pCurStates;
+ }
+ if (m_pLastImageDict) {
+ m_pLastImageDict->Release();
+ }
+ if (m_pLastCloneImageDict) {
+ m_pLastCloneImageDict->Release();
+ }
+#ifdef _FPDFAPI_MINI_
+ for (i = 0; i < (int)m_ObjectSize; ++i) {
+ if (!m_pObjectState[i]) {
+ m_pObjectStack[i]->Release();
+ }
+ }
+ FX_Free(m_pObjectStack);
+ FX_Free(m_pObjectState);
+ FX_Free(m_pStreamBuf);
+ FX_Free(m_pWordBuf);
+ FX_Free(m_pDictName);
+#endif
+}
+void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
+ CPDF_Dictionary* pPageResources, CPDF_Dictionary* pParentResources, CFX_AffineMatrix* pmtContentToUser, CPDF_PageObjects* pObjList,
+ CPDF_Dictionary* pResources, CPDF_Rect* pBBox, CPDF_ParseOptions* pOptions,
+ CPDF_AllStates* pStates, int level)
+{
+ for (int i = 0; i < 6; i ++) {
+ m_Type3Data[i] = 0;
+ }
+ m_pDocument = pDocument;
+ m_pPageResources = pPageResources;
+ m_pParentResources = pParentResources;
+ if (pmtContentToUser) {
+ m_mtContentToUser = *pmtContentToUser;
+ }
+ if (pOptions) {
+ m_Options = *pOptions;
+ }
+ m_pObjectList = pObjList;
+ m_pResources = pResources;
+ if (pResources == NULL) {
+ m_pResources = m_pParentResources;
+ }
+ if (m_pResources == NULL) {
+ m_pResources = pPageResources;
+ }
+ if (pBBox) {
+ m_BBox = *pBBox;
+ }
+ m_Level = level;
+ m_pCurStates = FX_NEW CPDF_AllStates;
+ if (pStates) {
+ m_pCurStates->Copy(*pStates);
+ } else {
+ m_pCurStates->m_GeneralState.New();
+ m_pCurStates->m_GraphState.New();
+ m_pCurStates->m_TextState.New();
+ m_pCurStates->m_ColorState.New();
+ }
+#ifdef _FPDFAPI_MINI_
+ FXSYS_memset32(m_pObjectState, 0, _FPDF_MAX_OBJECT_STACK_SIZE_ * sizeof(FX_BOOL));
+#endif
+}
+int CPDF_StreamContentParser::GetNextParamPos()
+{
+ if (m_ParamCount == PARAM_BUF_SIZE) {
+ m_ParamStartPos ++;
+ if (m_ParamStartPos == PARAM_BUF_SIZE) {
+ m_ParamStartPos = 0;
+ }
+ if (m_ParamBuf1[m_ParamStartPos].m_Type == 0) {
+ m_ParamBuf1[m_ParamStartPos].m_pObject->Release();
+ }
+ return m_ParamStartPos;
+ }
+ int index = m_ParamStartPos + m_ParamCount;
+ if (index >= PARAM_BUF_SIZE) {
+ index -= PARAM_BUF_SIZE;
+ }
+ m_ParamCount ++;
+ return index;
+}
+void CPDF_StreamContentParser::AddNameParam(FX_LPCSTR name, int len)
+{
+ int index = GetNextParamPos();
+ if (len > 32) {
+ m_ParamBuf1[index].m_Type = 0;
+ m_ParamBuf1[index].m_pObject = CPDF_Name::Create(PDF_NameDecode(CFX_ByteStringC(name, len)));
+ } else {
+ m_ParamBuf1[index].m_Type = PDFOBJ_NAME;
+ if (FXSYS_memchr(name, '#', len) == NULL) {
+ FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, name, len);
+ m_ParamBuf1[index].m_Name.m_Len = len;
+ } else {
+ CFX_ByteString str = PDF_NameDecode(CFX_ByteStringC(name, len));
+ FXSYS_memcpy32(m_ParamBuf1[index].m_Name.m_Buffer, (FX_LPCSTR)str, str.GetLength());
+ m_ParamBuf1[index].m_Name.m_Len = str.GetLength();
+ }
+ }
+}
+void CPDF_StreamContentParser::AddNumberParam(FX_LPCSTR str, int len)
+{
+ int index = GetNextParamPos();
+ m_ParamBuf1[index].m_Type = PDFOBJ_NUMBER;
+ FX_atonum(CFX_ByteStringC(str, len), m_ParamBuf1[index].m_Number.m_bInteger,
+ &m_ParamBuf1[index].m_Number.m_Integer);
+}
+void CPDF_StreamContentParser::AddObjectParam(CPDF_Object* pObj)
+{
+ int index = GetNextParamPos();
+ m_ParamBuf1[index].m_Type = 0;
+ m_ParamBuf1[index].m_pObject = pObj;
+}
+void CPDF_StreamContentParser::ClearAllParams()
+{
+ FX_DWORD index = m_ParamStartPos;
+ for (FX_DWORD i = 0; i < m_ParamCount; i ++) {
+ if (m_ParamBuf1[index].m_Type == 0) {
+ m_ParamBuf1[index].m_pObject->Release();
+ }
+ index ++;
+ if (index == PARAM_BUF_SIZE) {
+ index = 0;
+ }
+ }
+ m_ParamStartPos = 0;
+ m_ParamCount = 0;
+}
+CPDF_Object* CPDF_StreamContentParser::GetObject(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return NULL;
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NUMBER) {
+ CPDF_Number* pNumber = CPDF_Number::Create(param.m_Number.m_bInteger, &param.m_Number.m_Integer);
+ param.m_Type = 0;
+ param.m_pObject = pNumber;
+ return pNumber;
+ }
+ if (param.m_Type == PDFOBJ_NAME) {
+ CPDF_Name* pName = CPDF_Name::Create(CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len));
+ param.m_Type = 0;
+ param.m_pObject = pName;
+ return pName;
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject;
+ }
+ ASSERT(FALSE);
+ return NULL;
+}
+CFX_ByteString CPDF_StreamContentParser::GetString(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return CFX_ByteString();
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NAME) {
+ return CFX_ByteString(param.m_Name.m_Buffer, param.m_Name.m_Len);
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject->GetString();
+ }
+ return CFX_ByteString();
+}
+FX_FLOAT CPDF_StreamContentParser::GetNumber(FX_DWORD index)
+{
+ if (index >= m_ParamCount) {
+ return 0;
+ }
+ int real_index = m_ParamStartPos + m_ParamCount - index - 1;
+ if (real_index >= PARAM_BUF_SIZE) {
+ real_index -= PARAM_BUF_SIZE;
+ }
+ _ContentParam& param = m_ParamBuf1[real_index];
+ if (param.m_Type == PDFOBJ_NUMBER) {
+ return param.m_Number.m_bInteger ? (FX_FLOAT)param.m_Number.m_Integer : param.m_Number.m_Float;
+ }
+ if (param.m_Type == 0) {
+ return param.m_pObject->GetNumber();
+ }
+ return 0;
+}
+FX_FLOAT CPDF_StreamContentParser::GetNumber16(FX_DWORD index)
+{
+ return GetNumber(index);
+}
+void CPDF_StreamContentParser::SetGraphicStates(CPDF_PageObject* pObj, FX_BOOL bColor, FX_BOOL bText, FX_BOOL bGraph)
+{
+ pObj->m_GeneralState = m_pCurStates->m_GeneralState;
+ pObj->m_ClipPath = m_pCurStates->m_ClipPath;
+ pObj->m_ContentMark = m_CurContentMark;
+ if (bColor) {
+ pObj->m_ColorState = m_pCurStates->m_ColorState;
+ }
+ if (bGraph) {
+ pObj->m_GraphState = m_pCurStates->m_GraphState;
+ }
+ if (bText) {
+ pObj->m_TextState = m_pCurStates->m_TextState;
+ }
+}
+const struct _OpCode {
+ FX_DWORD m_OpId;
+ void (CPDF_StreamContentParser::*m_OpHandler)();
+} g_OpCodes[] = {
+ {FXBSTR_ID('"', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText_Space},
+ {FXBSTR_ID('\'', 0, 0, 0), &CPDF_StreamContentParser::Handle_NextLineShowText},
+ {FXBSTR_ID('B', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillStrokePath},
+ {FXBSTR_ID('B', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillStrokePath},
+ {FXBSTR_ID('B', 'D', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary},
+ {FXBSTR_ID('B', 'I', 0, 0), &CPDF_StreamContentParser::Handle_BeginImage},
+ {FXBSTR_ID('B', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_BeginMarkedContent},
+ {FXBSTR_ID('B', 'T', 0, 0), &CPDF_StreamContentParser::Handle_BeginText},
+ {FXBSTR_ID('B', 'X', 0, 0), &CPDF_StreamContentParser::Handle_BeginSectionUndefined},
+ {FXBSTR_ID('C', 'S', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Stroke},
+ {FXBSTR_ID('D', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace_Dictionary},
+ {FXBSTR_ID('D', 'o', 0, 0), &CPDF_StreamContentParser::Handle_ExecuteXObject},
+ {FXBSTR_ID('E', 'I', 0, 0), &CPDF_StreamContentParser::Handle_EndImage},
+ {FXBSTR_ID('E', 'M', 'C', 0), &CPDF_StreamContentParser::Handle_EndMarkedContent},
+ {FXBSTR_ID('E', 'T', 0, 0), &CPDF_StreamContentParser::Handle_EndText},
+ {FXBSTR_ID('E', 'X', 0, 0), &CPDF_StreamContentParser::Handle_EndSectionUndefined},
+ {FXBSTR_ID('F', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPathOld},
+ {FXBSTR_ID('G', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Stroke},
+ {FXBSTR_ID('I', 'D', 0, 0), &CPDF_StreamContentParser::Handle_BeginImageData},
+ {FXBSTR_ID('J', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineCap},
+ {FXBSTR_ID('K', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke},
+ {FXBSTR_ID('M', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetMiterLimit},
+ {FXBSTR_ID('M', 'P', 0, 0), &CPDF_StreamContentParser::Handle_MarkPlace},
+ {FXBSTR_ID('Q', 0, 0, 0), &CPDF_StreamContentParser::Handle_RestoreGraphState},
+ {FXBSTR_ID('R', 'G', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Stroke},
+ {FXBSTR_ID('S', 0, 0, 0), &CPDF_StreamContentParser::Handle_StrokePath},
+ {FXBSTR_ID('S', 'C', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Stroke},
+ {FXBSTR_ID('S', 'C', 'N', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Stroke},
+ {FXBSTR_ID('T', '*', 0, 0), &CPDF_StreamContentParser::Handle_MoveToNextLine},
+ {FXBSTR_ID('T', 'D', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading},
+ {FXBSTR_ID('T', 'J', 0, 0), &CPDF_StreamContentParser::Handle_ShowText_Positioning},
+ {FXBSTR_ID('T', 'L', 0, 0), &CPDF_StreamContentParser::Handle_SetTextLeading},
+ {FXBSTR_ID('T', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetCharSpace},
+ {FXBSTR_ID('T', 'd', 0, 0), &CPDF_StreamContentParser::Handle_MoveTextPoint},
+ {FXBSTR_ID('T', 'f', 0, 0), &CPDF_StreamContentParser::Handle_SetFont},
+ {FXBSTR_ID('T', 'j', 0, 0), &CPDF_StreamContentParser::Handle_ShowText},
+ {FXBSTR_ID('T', 'm', 0, 0), &CPDF_StreamContentParser::Handle_SetTextMatrix},
+ {FXBSTR_ID('T', 'r', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRenderMode},
+ {FXBSTR_ID('T', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetTextRise},
+ {FXBSTR_ID('T', 'w', 0, 0), &CPDF_StreamContentParser::Handle_SetWordSpace},
+ {FXBSTR_ID('T', 'z', 0, 0), &CPDF_StreamContentParser::Handle_SetHorzScale},
+ {FXBSTR_ID('W', 0, 0, 0), &CPDF_StreamContentParser::Handle_Clip},
+ {FXBSTR_ID('W', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOClip},
+ {FXBSTR_ID('b', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseFillStrokePath},
+ {FXBSTR_ID('b', '*', 0, 0), &CPDF_StreamContentParser::Handle_CloseEOFillStrokePath},
+ {FXBSTR_ID('c', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_123},
+ {FXBSTR_ID('c', 'm', 0, 0), &CPDF_StreamContentParser::Handle_ConcatMatrix},
+ {FXBSTR_ID('c', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetColorSpace_Fill},
+ {FXBSTR_ID('d', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetDash},
+ {FXBSTR_ID('d', '0', 0, 0), &CPDF_StreamContentParser::Handle_SetCharWidth},
+ {FXBSTR_ID('d', '1', 0, 0), &CPDF_StreamContentParser::Handle_SetCachedDevice},
+ {FXBSTR_ID('f', 0, 0, 0), &CPDF_StreamContentParser::Handle_FillPath},
+ {FXBSTR_ID('f', '*', 0, 0), &CPDF_StreamContentParser::Handle_EOFillPath},
+ {FXBSTR_ID('g', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetGray_Fill},
+ {FXBSTR_ID('g', 's', 0, 0), &CPDF_StreamContentParser::Handle_SetExtendGraphState},
+ {FXBSTR_ID('h', 0, 0, 0), &CPDF_StreamContentParser::Handle_ClosePath},
+ {FXBSTR_ID('i', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetFlat},
+ {FXBSTR_ID('j', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineJoin},
+ {FXBSTR_ID('k', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetCMYKColor_Fill},
+ {FXBSTR_ID('l', 0, 0, 0), &CPDF_StreamContentParser::Handle_LineTo},
+ {FXBSTR_ID('m', 0, 0, 0), &CPDF_StreamContentParser::Handle_MoveTo},
+ {FXBSTR_ID('n', 0, 0, 0), &CPDF_StreamContentParser::Handle_EndPath},
+ {FXBSTR_ID('q', 0, 0, 0), &CPDF_StreamContentParser::Handle_SaveGraphState},
+ {FXBSTR_ID('r', 'e', 0, 0), &CPDF_StreamContentParser::Handle_Rectangle},
+ {FXBSTR_ID('r', 'g', 0, 0), &CPDF_StreamContentParser::Handle_SetRGBColor_Fill},
+ {FXBSTR_ID('r', 'i', 0, 0), &CPDF_StreamContentParser::Handle_SetRenderIntent},
+ {FXBSTR_ID('s', 0, 0, 0), &CPDF_StreamContentParser::Handle_CloseStrokePath},
+ {FXBSTR_ID('s', 'c', 0, 0), &CPDF_StreamContentParser::Handle_SetColor_Fill},
+ {FXBSTR_ID('s', 'c', 'n', 0), &CPDF_StreamContentParser::Handle_SetColorPS_Fill},
+ {FXBSTR_ID('s', 'h', 0, 0), &CPDF_StreamContentParser::Handle_ShadeFill},
+ {FXBSTR_ID('v', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_23},
+ {FXBSTR_ID('w', 0, 0, 0), &CPDF_StreamContentParser::Handle_SetLineWidth},
+ {FXBSTR_ID('y', 0, 0, 0), &CPDF_StreamContentParser::Handle_CurveTo_13},
+};
+FX_BOOL CPDF_StreamContentParser::OnOperator(FX_LPCSTR op)
+{
+ int i = 0;
+ FX_DWORD opid = 0;
+ while (i < 4 && op[i]) {
+ opid = (opid << 8) + op[i];
+ i ++;
+ }
+ while (i < 4) {
+ opid <<= 8;
+ i ++;
+ };
+ int low = 0, high = sizeof g_OpCodes / sizeof(struct _OpCode) - 1;
+ while (low <= high) {
+ int middle = (low + high) / 2;
+ int compare = opid - g_OpCodes[middle].m_OpId;
+ if (compare == 0) {
+ (this->*g_OpCodes[middle].m_OpHandler)();
+ return TRUE;
+ } else if (compare < 0) {
+ high = middle - 1;
+ } else {
+ low = middle + 1;
+ }
+ }
+ return m_CompatCount != 0;
+}
+void CPDF_StreamContentParser::Handle_CloseFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ Handle_ClosePath();
+ AddPathObject(FXFILL_WINDING, TRUE);
+}
+void CPDF_StreamContentParser::Handle_FillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, TRUE);
+}
+void CPDF_StreamContentParser::Handle_CloseEOFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
+ AddPathObject(FXFILL_ALTERNATE, TRUE);
+}
+void CPDF_StreamContentParser::Handle_EOFillStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_ALTERNATE, TRUE);
+}
+void CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ CFX_ByteString tag = GetString(1);
+ CPDF_Object* pProperty = GetObject(0);
+ if (pProperty == NULL) {
+ return;
+ }
+ FX_BOOL bDirect = TRUE;
+ if (pProperty->GetType() == PDFOBJ_NAME) {
+ pProperty = FindResourceObj(FX_BSTRC("Properties"), pProperty->GetString());
+ if (pProperty == NULL) {
+ return;
+ }
+ bDirect = FALSE;
+ }
+ if (pProperty->GetType() != PDFOBJ_DICTIONARY) {
+ return;
+ }
+ m_CurContentMark.GetModify()->AddMark(tag, (CPDF_Dictionary*)pProperty, bDirect);
+}
+void CPDF_StreamContentParser::Handle_BeginMarkedContent()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ CFX_ByteString tag = GetString(0);
+ m_CurContentMark.GetModify()->AddMark(tag, NULL, FALSE);
+}
+struct _FX_BSTR {
+ FX_LPCSTR m_Ptr;
+ int m_Size;
+};
+#define _FX_BSTRC(str) {str, sizeof(str)-1}
+const _FX_BSTR _PDF_InlineKeyAbbr[] = {
+ _FX_BSTRC("BitsPerComponent"), _FX_BSTRC("BPC"),
+ _FX_BSTRC("ColorSpace"), _FX_BSTRC("CS"),
+ _FX_BSTRC("Decode"), _FX_BSTRC("D"),
+ _FX_BSTRC("DecodeParms"), _FX_BSTRC("DP"),
+ _FX_BSTRC("Filter"), _FX_BSTRC("F"),
+ _FX_BSTRC("Height"), _FX_BSTRC("H"),
+ _FX_BSTRC("ImageMask"), _FX_BSTRC("IM"),
+ _FX_BSTRC("Interpolate"), _FX_BSTRC("I"),
+ _FX_BSTRC("Width"), _FX_BSTRC("W"),
+};
+const _FX_BSTR _PDF_InlineValueAbbr[] = {
+ _FX_BSTRC("DeviceGray"), _FX_BSTRC("G"),
+ _FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB"),
+ _FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK"),
+ _FX_BSTRC("Indexed"), _FX_BSTRC("I"),
+ _FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx"),
+ _FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85"),
+ _FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW"),
+ _FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl"),
+ _FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL"),
+ _FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF"),
+ _FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT"),
+};
+static CFX_ByteStringC _PDF_FindFullName(const _FX_BSTR* table, int count, FX_BSTR abbr)
+{
+ int i = 0;
+ while (i < count) {
+ if (abbr.GetLength() == table[i + 1].m_Size && FXSYS_memcmp32(abbr.GetPtr(), table[i + 1].m_Ptr, abbr.GetLength()) == 0) {
+ return CFX_ByteStringC(table[i].m_Ptr, table[i].m_Size);
+ }
+ i += 2;
+ }
+ return CFX_ByteStringC();
+}
+void _PDF_ReplaceAbbr(CPDF_Object* pObj)
+{
+ switch (pObj->GetType()) {
+ case PDFOBJ_DICTIONARY: {
+ CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
+ FX_POSITION pos = pDict->GetStartPos();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Object* value = pDict->GetNextElement(pos, key);
+ CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineKeyAbbr,
+ sizeof _PDF_InlineKeyAbbr / sizeof(_FX_BSTR), key);
+ if (!fullname.IsEmpty()) {
+ pDict->ReplaceKey(key, fullname);
+ key = fullname;
+ }
+ if (value->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = value->GetString();
+ fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!fullname.IsEmpty()) {
+ pDict->SetAtName(key, fullname);
+ }
+ } else {
+ _PDF_ReplaceAbbr(value);
+ }
+ }
+ break;
+ }
+ case PDFOBJ_ARRAY: {
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
+ CPDF_Object* pElement = pArray->GetElement(i);
+ if (pElement->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pElement->GetString();
+ CFX_ByteStringC fullname = _PDF_FindFullName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!fullname.IsEmpty()) {
+ pArray->SetAt(i, CPDF_Name::Create(fullname));
+ }
+ } else {
+ _PDF_ReplaceAbbr(pElement);
+ }
+ }
+ break;
+ }
+ }
+}
+static CFX_ByteStringC _PDF_FindAbbrName(const _FX_BSTR* table, int count, FX_BSTR fullName)
+{
+ int i = 0;
+ while (i < count) {
+ if (fullName.GetLength() == table[i].m_Size && FXSYS_memcmp32(fullName.GetPtr(), table[i].m_Ptr, fullName.GetLength()) == 0) {
+ return CFX_ByteStringC(table[i + 1].m_Ptr, table[i + 1].m_Size);
+ }
+ i += 2;
+ }
+ return CFX_ByteStringC();
+}
+void _PDF_ReplaceFull(CPDF_Object* pObj)
+{
+ switch (pObj->GetType()) {
+ case PDFOBJ_DICTIONARY: {
+ CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
+ FX_POSITION pos = pDict->GetStartPos();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Object* value = pDict->GetNextElement(pos, key);
+ CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineKeyAbbr,
+ sizeof(_PDF_InlineKeyAbbr) / sizeof(_FX_BSTR), key);
+ if (!abbrName.IsEmpty()) {
+ pDict->ReplaceKey(key, abbrName);
+ key = abbrName;
+ }
+ if (value->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = value->GetString();
+ abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
+ sizeof(_PDF_InlineValueAbbr) / sizeof(_FX_BSTR), name);
+ if (!abbrName.IsEmpty()) {
+ pDict->SetAtName(key, abbrName);
+ }
+ } else {
+ _PDF_ReplaceFull(value);
+ }
+ }
+ break;
+ }
+ case PDFOBJ_ARRAY: {
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
+ CPDF_Object* pElement = pArray->GetElement(i);
+ if (pElement->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pElement->GetString();
+ CFX_ByteStringC abbrName = _PDF_FindAbbrName(_PDF_InlineValueAbbr,
+ sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ if (!abbrName.IsEmpty()) {
+ pArray->SetAt(i, CPDF_Name::Create(abbrName));
+ }
+ } else {
+ _PDF_ReplaceFull(pElement);
+ }
+ }
+ break;
+ }
+ }
+}
+void CPDF_StreamContentParser::Handle_BeginText()
+{
+ m_pCurStates->m_TextMatrix.Set(1.0f, 0, 0, 1.0f, 0, 0);
+ OnChangeTextMatrix();
+ m_pCurStates->m_TextX = 0;
+ m_pCurStates->m_TextY = 0;
+ m_pCurStates->m_TextLineX = 0;
+ m_pCurStates->m_TextLineY = 0;
+}
+void CPDF_StreamContentParser::Handle_BeginSectionUndefined()
+{
+ m_CompatCount ++;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_123()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(5), GetNumber(4), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_ConcatMatrix()
+{
+ FX_FLOAT a2 = GetNumber16(5), b2 = GetNumber16(4), c2 = GetNumber16(3), d2 = GetNumber16(2);
+ FX_FLOAT e2 = GetNumber(1), f2 = GetNumber(0);
+ FX_FLOAT old_width_scale = m_pCurStates->m_CTM.GetXUnit();
+ CFX_AffineMatrix new_matrix(a2, b2, c2, d2, e2, f2);
+ new_matrix.Concat(m_pCurStates->m_CTM);
+ m_pCurStates->m_CTM = new_matrix;
+ FX_FLOAT new_width_scale = m_pCurStates->m_CTM.GetXUnit();
+ OnChangeTextMatrix();
+}
+void CPDF_StreamContentParser::Handle_SetColorSpace_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CFX_ByteString csname = GetString(0);
+ CPDF_ColorSpace* pCS = FindColorSpace(csname);
+ if (pCS == NULL) {
+ return;
+ }
+ m_pCurStates->m_ColorState.GetModify()->m_FillColor.SetColorSpace(pCS);
+}
+void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CFX_ByteString csname = GetString(0);
+ CPDF_ColorSpace* pCS = FindColorSpace(csname);
+ if (pCS == NULL) {
+ return;
+ }
+ m_pCurStates->m_ColorState.GetModify()->m_StrokeColor.SetColorSpace(pCS);
+}
+void CPDF_StreamContentParser::Handle_SetDash()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Array* pArray = GetObject(1)->GetArray();
+ if (pArray == NULL) {
+ return;
+ }
+ m_pCurStates->SetLineDash(pArray, GetNumber(0), 1.0f);
+}
+void CPDF_StreamContentParser::Handle_SetCharWidth()
+{
+ m_Type3Data[0] = GetNumber(1);
+ m_Type3Data[1] = GetNumber(0);
+ m_bColored = TRUE;
+}
+void CPDF_StreamContentParser::Handle_SetCachedDevice()
+{
+ for (int i = 0; i < 6; i ++) {
+ m_Type3Data[i] = GetNumber(5 - i);
+ }
+ m_bColored = FALSE;
+}
+void CPDF_StreamContentParser::Handle_ExecuteXObject()
+{
+ CFX_ByteString name = GetString(0);
+ if (name == m_LastImageName && m_pLastImage && m_pLastImage->GetStream() && m_pLastImage->GetStream()->GetObjNum()) {
+#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
+ AddDuplicateImage();
+#else
+ AddImage(NULL, m_pLastImage, FALSE);
+#endif
+ return;
+ }
+ if (m_Options.m_bTextOnly) {
+ CPDF_Object* pRes = NULL;
+ if (m_pResources == NULL) {
+ return;
+ }
+ if (m_pResources == m_pPageResources) {
+ CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ return;
+ }
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ } else {
+ CPDF_Dictionary* pList = m_pResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ if (m_pPageResources == NULL) {
+ return;
+ }
+ CPDF_Dictionary* pList = m_pPageResources->GetDict(FX_BSTRC("XObject"));
+ if (pList == NULL) {
+ return;
+ }
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ } else {
+ pRes = pList->GetElement(name);
+ if (pRes == NULL || pRes->GetType() != PDFOBJ_REFERENCE) {
+ return;
+ }
+ }
+ }
+ FX_BOOL bForm;
+ if (m_pDocument->IsFormStream(((CPDF_Reference*)pRes)->GetRefObjNum(), bForm) && !bForm) {
+ return;
+ }
+ }
+ CPDF_Stream* pXObject = (CPDF_Stream*)FindResourceObj(FX_BSTRC("XObject"), name);
+ if (pXObject == NULL || pXObject->GetType() != PDFOBJ_STREAM) {
+ m_bResourceMissing = TRUE;
+ return;
+ }
+ CFX_ByteStringC type = pXObject->GetDict()->GetConstString(FX_BSTRC("Subtype"));
+ if (type == FX_BSTRC("Image")) {
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_ImageObject* pObj = AddImage(pXObject, NULL, FALSE);
+ m_LastImageName = name;
+ m_pLastImage = pObj->m_pImage;
+ } else if (type == FX_BSTRC("Form")) {
+ AddForm(pXObject);
+ } else {
+ return;
+ }
+}
+void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
+{
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ if (!m_Options.m_bSeparateForm) {
+ CPDF_Dictionary* pResources = pStream->GetDict()->GetDict(FX_BSTRC("Resources"));
+ CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix(FX_BSTRC("Matrix"));
+ form_matrix.Concat(m_pCurStates->m_CTM);
+ CPDF_Array* pBBox = pStream->GetDict()->GetArray(FX_BSTRC("BBox"));
+ CFX_FloatRect form_bbox;
+ CPDF_Path ClipPath;
+ if (pBBox) {
+ form_bbox = pStream->GetDict()->GetRect(FX_BSTRC("BBox"));
+ ClipPath.New();
+ ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right, form_bbox.top);
+ ClipPath.Transform(&form_matrix);
+ form_bbox.Transform(&form_matrix);
+ }
+ CPDF_StreamContentParser parser;
+ parser.Initialize();
+ parser.PrepareParse(m_pDocument, m_pPageResources, m_pResources, &m_mtContentToUser,
+ m_pObjectList, pResources, &form_bbox, &m_Options, m_pCurStates, m_Level + 1);
+ parser.m_pCurStates->m_CTM = form_matrix;
+ if (ClipPath.NotNull()) {
+ parser.m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
+ }
+ CPDF_StreamAcc stream;
+ stream.LoadAllData(pStream, FALSE);
+ if (stream.GetSize() == 0) {
+ return;
+ }
+#ifdef _FPDFAPI_MINI_
+ parser.InputData(stream.GetData(), stream.GetSize());
+ parser.Finish();
+#else
+ parser.Parse(stream.GetData(), stream.GetSize(), 0);
+#endif
+ return;
+ }
+#endif
+ CPDF_FormObject* pFormObj = FX_NEW CPDF_FormObject;
+ pFormObj->m_pForm = FX_NEW CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources);
+ pFormObj->m_FormMatrix = m_pCurStates->m_CTM;
+ pFormObj->m_FormMatrix.Concat(m_mtContentToUser);
+ CPDF_AllStates status;
+ status.m_GeneralState = m_pCurStates->m_GeneralState;
+ status.m_GraphState = m_pCurStates->m_GraphState;
+ status.m_ColorState = m_pCurStates->m_ColorState;
+ status.m_TextState = m_pCurStates->m_TextState;
+ pFormObj->m_pForm->ParseContent(&status, NULL, NULL, &m_Options, m_Level + 1);
+ if (!m_pObjectList->m_bBackgroundAlphaNeeded && pFormObj->m_pForm->m_bBackgroundAlphaNeeded) {
+ m_pObjectList->m_bBackgroundAlphaNeeded = TRUE;
+ }
+ pFormObj->CalcBoundingBox();
+ SetGraphicStates(pFormObj, TRUE, TRUE, TRUE);
+ m_pObjectList->m_ObjectList.AddTail(pFormObj);
+}
+#if defined(_FPDFAPI_MINI_) && !defined(_FXCORE_FEATURE_ALL_)
+void CPDF_StreamContentParser::AddDuplicateImage()
+{
+ FX_POSITION tailpos = m_pObjectList->m_ObjectList.GetTailPosition();
+ CPDF_PageObject* pLastObj = (CPDF_PageObject*)m_pObjectList->m_ObjectList.GetAt(tailpos);
+ if (pLastObj == NULL || (pLastObj->m_Type != PDFPAGE_INLINES && pLastObj->m_Type != PDFPAGE_IMAGE)) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ if (pLastObj->m_GeneralState != m_pCurStates->m_GeneralState ||
+ pLastObj->m_ClipPath != m_pCurStates->m_ClipPath ||
+ pLastObj->m_ColorState != m_pCurStates->m_ColorState) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ CFX_AffineMatrix ImageMatrix;
+ ImageMatrix.Copy(m_pCurStates->m_CTM);
+ ImageMatrix.Concat(m_mtContentToUser);
+ if (pLastObj->m_Type == PDFPAGE_INLINES) {
+ CPDF_InlineImages* pInlines = (CPDF_InlineImages*)pLastObj;
+ if (pInlines->m_pStream != m_pLastImage->GetStream()) {
+ AddImage(NULL, m_pLastImage, FALSE);
+ return;
+ }
+ pInlines->AddMatrix(ImageMatrix);
+ } else {
+ CPDF_ImageObject* pImageObj = (CPDF_ImageObject*)pLastObj;
+ CPDF_InlineImages* pInlines = FX_NEW CPDF_InlineImages;
+ pInlines->m_pStream = m_pLastImage->GetStream();
+ SetGraphicStates(pInlines, !pInlines->m_pStream->GetDict()->KeyExist(FX_BSTRC("ColorSpace")), FALSE, FALSE);
+ pInlines->AddMatrix(pImageObj->m_Matrix);
+ pInlines->AddMatrix(ImageMatrix);
+ m_pObjectList->m_ObjectList.RemoveAt(tailpos);
+ m_pObjectList->m_ObjectList.AddTail(pInlines);
+ pLastObj->Release();
+ }
+}
+#endif
+CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream, CPDF_Image* pImage, FX_BOOL bInline)
+{
+ if (pStream == NULL && pImage == NULL) {
+ return NULL;
+ }
+ CFX_AffineMatrix ImageMatrix;
+ ImageMatrix.Copy(m_pCurStates->m_CTM);
+ ImageMatrix.Concat(m_mtContentToUser);
+ CPDF_ImageObject* pImageObj = FX_NEW CPDF_ImageObject;
+ if (pImage) {
+ pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pImage->GetStream());
+ } else if (pStream->GetObjNum()) {
+ pImageObj->m_pImage = m_pDocument->LoadImageF(pStream);
+ } else {
+ pImageObj->m_pImage = FX_NEW CPDF_Image(m_pDocument);
+ pImageObj->m_pImage->LoadImageF(pStream, bInline);
+ }
+ SetGraphicStates(pImageObj, pImageObj->m_pImage->IsMask(), FALSE, FALSE);
+ pImageObj->m_Matrix = ImageMatrix;
+ pImageObj->CalcBoundingBox();
+ m_pObjectList->m_ObjectList.AddTail(pImageObj);
+ return pImageObj;
+}
+void CPDF_StreamContentParser::Handle_MarkPlace_Dictionary()
+{
+}
+void CPDF_StreamContentParser::Handle_EndImage()
+{
+}
+void CPDF_StreamContentParser::Handle_EndMarkedContent()
+{
+ if (!m_Options.m_bMarkedContent) {
+ return;
+ }
+ if (m_CurContentMark.IsNull()) {
+ return;
+ }
+ int count = m_CurContentMark.GetObject()->CountItems();
+ if (count == 1) {
+ m_CurContentMark.SetNull();
+ return;
+ }
+ m_CurContentMark.GetModify()->DeleteLastMark();
+}
+void CPDF_StreamContentParser::Handle_EndText()
+{
+ int count = m_ClipTextList.GetSize();
+ if (count == 0) {
+ return;
+ }
+ if (m_pCurStates->m_TextState.GetObject()->m_TextMode < 4) {
+ for (int i = 0; i < count; i ++) {
+ CPDF_TextObject* pText = (CPDF_TextObject*)m_ClipTextList.GetAt(i);
+ if (pText) {
+ delete pText;
+ }
+ }
+ } else {
+ m_pCurStates->m_ClipPath.AppendTexts((CPDF_TextObject**)m_ClipTextList.GetData(), count);
+ }
+ m_ClipTextList.RemoveAll();
+}
+void CPDF_StreamContentParser::Handle_EndSectionUndefined()
+{
+ if (m_CompatCount) {
+ m_CompatCount --;
+ }
+}
+void CPDF_StreamContentParser::Handle_FillPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, FALSE);
+}
+void CPDF_StreamContentParser::Handle_FillPathOld()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_WINDING, FALSE);
+}
+void CPDF_StreamContentParser::Handle_EOFillPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(FXFILL_ALTERNATE, FALSE);
+}
+void CPDF_StreamContentParser::Handle_SetGray_Fill()
+{
+ FX_FLOAT value = GetNumber(0);
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, &value, 1);
+}
+void CPDF_StreamContentParser::Handle_SetGray_Stroke()
+{
+ FX_FLOAT value = GetNumber(0);
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, &value, 1);
+}
+void CPDF_StreamContentParser::Handle_SetExtendGraphState()
+{
+ CFX_ByteString name = GetString(0);
+ CPDF_Dictionary* pGS = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("ExtGState"), name);
+ if (pGS == NULL || pGS->GetType() != PDFOBJ_DICTIONARY) {
+ m_bResourceMissing = TRUE;
+ return;
+ }
+ m_pCurStates->ProcessExtGS(pGS, this);
+}
+void CPDF_StreamContentParser::Handle_ClosePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ if (m_PathPointCount == 0) {
+ return;
+ }
+ if (m_PathStartX != m_PathCurrentX || m_PathStartY != m_PathCurrentY) {
+ AddPathPoint(m_PathStartX, m_PathStartY, FXPT_LINETO | FXPT_CLOSEFIGURE);
+ } else if (m_pPathPoints[m_PathPointCount - 1].m_Flag != FXPT_MOVETO) {
+ m_pPathPoints[m_PathPointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
+ }
+}
+void CPDF_StreamContentParser::Handle_SetFlat()
+{
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ m_pCurStates->m_GeneralState.GetModify()->m_Flatness = GetNumber(0);
+#endif
+}
+void CPDF_StreamContentParser::Handle_BeginImageData()
+{
+}
+void CPDF_StreamContentParser::Handle_SetLineJoin()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_LineJoin = (CFX_GraphStateData::LineJoin)GetInteger(0);
+}
+void CPDF_StreamContentParser::Handle_SetLineCap()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_LineCap = (CFX_GraphStateData::LineCap)GetInteger(0);
+}
+void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill()
+{
+ REQUIRE_PARAMS(4);
+ FX_FLOAT values[4];
+ for (int i = 0; i < 4; i ++) {
+ values[i] = GetNumber(3 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, values, 4);
+}
+void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke()
+{
+ REQUIRE_PARAMS(4);
+ FX_FLOAT values[4];
+ for (int i = 0; i < 4; i ++) {
+ values[i] = GetNumber(3 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 4);
+}
+void CPDF_StreamContentParser::Handle_LineTo()
+{
+ REQUIRE_PARAMS(2);
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_LINETO);
+}
+void CPDF_StreamContentParser::Handle_MoveTo()
+{
+ REQUIRE_PARAMS(2);
+ if (m_Options.m_bTextOnly) {
+#ifndef _FPDFAPI_MINI_
+ m_pSyntax->SkipPathObject();
+#endif
+ return;
+ }
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_MOVETO);
+#ifndef _FPDFAPI_MINI_
+ ParsePathObject();
+#endif
+}
+void CPDF_StreamContentParser::Handle_SetMiterLimit()
+{
+ m_pCurStates->m_GraphState.GetModify()->m_MiterLimit = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_MarkPlace()
+{
+}
+void CPDF_StreamContentParser::Handle_EndPath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(0, FALSE);
+}
+void CPDF_StreamContentParser::Handle_SaveGraphState()
+{
+ CPDF_AllStates* pStates = FX_NEW CPDF_AllStates;
+ pStates->Copy(*m_pCurStates);
+ m_StateStack.Add(pStates);
+}
+void CPDF_StreamContentParser::Handle_RestoreGraphState()
+{
+ int size = m_StateStack.GetSize();
+ if (size == 0) {
+ return;
+ }
+ CPDF_AllStates* pStates = (CPDF_AllStates*)m_StateStack.GetAt(size - 1);
+ m_pCurStates->Copy(*pStates);
+ delete pStates;
+ m_StateStack.RemoveAt(size - 1);
+}
+void CPDF_StreamContentParser::Handle_Rectangle()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT x = GetNumber(3), y = GetNumber(2);
+ FX_FLOAT w = GetNumber(1), h = GetNumber(0);
+ AddPathRect(x, y, w, h);
+}
+void CPDF_StreamContentParser::AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h)
+{
+ AddPathPoint(x, y, FXPT_MOVETO);
+ AddPathPoint(x + w, y, FXPT_LINETO);
+ AddPathPoint(x + w, y + h, FXPT_LINETO);
+ AddPathPoint(x, y + h, FXPT_LINETO);
+ AddPathPoint(x, y, FXPT_LINETO | FXPT_CLOSEFIGURE);
+}
+void CPDF_StreamContentParser::Handle_SetRGBColor_Fill()
+{
+ REQUIRE_PARAMS(3);
+ FX_FLOAT values[3];
+ for (int i = 0; i < 3; i ++) {
+ values[i] = GetNumber(2 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ m_pCurStates->m_ColorState.SetFillColor(pCS, values, 3);
+}
+void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke()
+{
+ REQUIRE_PARAMS(3);
+ FX_FLOAT values[3];
+ for (int i = 0; i < 3; i ++) {
+ values[i] = GetNumber(2 - i);
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 3);
+}
+void CPDF_StreamContentParser::Handle_SetRenderIntent()
+{
+}
+void CPDF_StreamContentParser::Handle_CloseStrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ Handle_ClosePath();
+ AddPathObject(0, TRUE);
+}
+void CPDF_StreamContentParser::Handle_StrokePath()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathObject(0, TRUE);
+}
+void CPDF_StreamContentParser::Handle_SetColor_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT values[4];
+ int nargs = m_ParamCount;
+ if (nargs > 4) {
+ nargs = 4;
+ }
+ for (int i = 0; i < nargs; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ m_pCurStates->m_ColorState.SetFillColor(NULL, values, nargs);
+}
+void CPDF_StreamContentParser::Handle_SetColor_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ FX_FLOAT values[4];
+ int nargs = m_ParamCount;
+ if (nargs > 4) {
+ nargs = 4;
+ }
+ for (int i = 0; i < nargs; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nargs);
+}
+void CPDF_StreamContentParser::Handle_SetColorPS_Fill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Object* pLastParam = GetObject(0);
+ if (pLastParam == NULL) {
+ return;
+ }
+ int nargs = m_ParamCount;
+ int nvalues = nargs;
+ if (pLastParam->GetType() == PDFOBJ_NAME) {
+ nvalues --;
+ }
+ FX_FLOAT* values = NULL;
+ if (nvalues) {
+ values = FX_Alloc(FX_FLOAT, nvalues);
+ for (int i = 0; i < nvalues; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ }
+ if (nvalues != nargs) {
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
+ if (pPattern) {
+ m_pCurStates->m_ColorState.SetFillPattern(pPattern, values, nvalues);
+ }
+ } else {
+ m_pCurStates->m_ColorState.SetFillColor(NULL, values, nvalues);
+ }
+ if (values) {
+ FX_Free(values);
+ }
+}
+void CPDF_StreamContentParser::Handle_SetColorPS_Stroke()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Object* pLastParam = GetObject(0);
+ if (pLastParam == NULL) {
+ return;
+ }
+ int nargs = m_ParamCount;
+ int nvalues = nargs;
+ if (pLastParam->GetType() == PDFOBJ_NAME) {
+ nvalues --;
+ }
+ FX_FLOAT* values = NULL;
+ if (nvalues) {
+ values = FX_Alloc(FX_FLOAT, nvalues);
+ for (int i = 0; i < nvalues; i ++) {
+ values[i] = GetNumber(nargs - i - 1);
+ }
+ }
+ if (nvalues != nargs) {
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), FALSE);
+ if (pPattern) {
+ m_pCurStates->m_ColorState.SetStrokePattern(pPattern, values, nvalues);
+ }
+ } else {
+ m_pCurStates->m_ColorState.SetStrokeColor(NULL, values, nvalues);
+ }
+ if (values) {
+ FX_Free(values);
+ }
+}
+CFX_FloatRect _GetShadingBBox(CPDF_Stream* pStream, int type, const CFX_AffineMatrix* pMatrix,
+ CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS);
+void CPDF_StreamContentParser::Handle_ShadeFill()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), TRUE);
+ if (pPattern == NULL) {
+ return;
+ }
+ if (pPattern->m_PatternType != PATTERN_SHADING) {
+ return;
+ }
+ CPDF_ShadingPattern* pShading = (CPDF_ShadingPattern*)pPattern;
+ if (!pShading->m_bShadingObj) {
+ return;
+ }
+ if (!pShading->Load()) {
+ return;
+ }
+ CPDF_ShadingObject* pObj = FX_NEW CPDF_ShadingObject;
+ pObj->m_pShading = pShading;
+ SetGraphicStates(pObj, FALSE, FALSE, FALSE);
+ pObj->m_Matrix = m_pCurStates->m_CTM;
+ pObj->m_Matrix.Concat(m_mtContentToUser);
+ CFX_FloatRect bbox;
+ if (!pObj->m_ClipPath.IsNull()) {
+ bbox = pObj->m_ClipPath.GetClipBox();
+ } else {
+ bbox = m_BBox;
+ }
+ if (pShading->m_ShadingType >= 4) {
+ bbox.Intersect(_GetShadingBBox((CPDF_Stream*)pShading->m_pShadingObj, pShading->m_ShadingType, &pObj->m_Matrix,
+ pShading->m_pFunctions, pShading->m_nFuncs, pShading->m_pCS));
+ }
+ pObj->m_Left = bbox.left;
+ pObj->m_Right = bbox.right;
+ pObj->m_Top = bbox.top;
+ pObj->m_Bottom = bbox.bottom;
+ m_pObjectList->m_ObjectList.AddTail(pObj);
+}
+void CPDF_StreamContentParser::Handle_SetCharSpace()
+{
+ m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_MoveTextPoint()
+{
+ m_pCurStates->m_TextLineX += GetNumber(1);
+ m_pCurStates->m_TextLineY += GetNumber(0);
+ m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
+ m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
+}
+void CPDF_StreamContentParser::Handle_MoveTextPoint_SetLeading()
+{
+ Handle_MoveTextPoint();
+ m_pCurStates->m_TextLeading = -GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetFont()
+{
+ FX_FLOAT fs = GetNumber(0);
+ if (fs == 0) {
+ fs = m_DefFontSize;
+ }
+ m_pCurStates->m_TextState.GetModify()->m_FontSize = fs;
+ CPDF_Font* pFont = FindFont(GetString(1));
+ if (pFont) {
+ m_pCurStates->m_TextState.SetFont(pFont);
+ }
+}
+CPDF_Object* CPDF_StreamContentParser::FindResourceObj(FX_BSTR type, const CFX_ByteString& name)
+{
+ if (m_pResources == NULL) {
+ return NULL;
+ }
+ if (m_pResources == m_pPageResources) {
+ CPDF_Dictionary* pList = m_pResources->GetDict(type);
+ if (pList == NULL) {
+ return NULL;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+ }
+ CPDF_Dictionary* pList = m_pResources->GetDict(type);
+ if (pList == NULL) {
+ if (m_pPageResources == NULL) {
+ return NULL;
+ }
+ CPDF_Dictionary* pList = m_pPageResources->GetDict(type);
+ if (pList == NULL) {
+ return NULL;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+ }
+ CPDF_Object* pRes = pList->GetElementValue(name);
+ return pRes;
+}
+CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name)
+{
+ CPDF_Dictionary* pFontDict = (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("Font"), name);
+ if (pFontDict == NULL || pFontDict->GetType() != PDFOBJ_DICTIONARY) {
+ m_bResourceMissing = TRUE;
+ return CPDF_Font::GetStockFont(m_pDocument, FX_BSTRC("Helvetica"));
+ }
+ CPDF_Font* pFont = m_pDocument->LoadFont(pFontDict);
+ if (pFont && pFont->GetType3Font()) {
+ pFont->GetType3Font()->SetPageResources(m_pResources);
+ pFont->GetType3Font()->CheckType3FontMetrics();
+ }
+ return pFont;
+}
+CPDF_ColorSpace* CPDF_StreamContentParser::FindColorSpace(const CFX_ByteString& name)
+{
+ if (name == FX_BSTRC("Pattern")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN);
+ }
+ if (name == FX_BSTRC("DeviceGray") || name == FX_BSTRC("DeviceCMYK") || name == FX_BSTRC("DeviceRGB")) {
+ CFX_ByteString defname = "Default";
+ defname += name.Mid(7);
+ CPDF_Object* pDefObj = FindResourceObj(FX_BSTRC("ColorSpace"), defname);
+ if (pDefObj == NULL) {
+ if (name == FX_BSTRC("DeviceGray")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ if (name == FX_BSTRC("DeviceRGB")) {
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
+ }
+ return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
+ }
+ return m_pDocument->LoadColorSpace(pDefObj);
+ }
+ CPDF_Object* pCSObj = FindResourceObj(FX_BSTRC("ColorSpace"), name);
+ if (pCSObj == NULL) {
+ m_bResourceMissing = TRUE;
+ return NULL;
+ }
+ return m_pDocument->LoadColorSpace(pCSObj);
+}
+CPDF_Pattern* CPDF_StreamContentParser::FindPattern(const CFX_ByteString& name, FX_BOOL bShading)
+{
+ CPDF_Object* pPattern = FindResourceObj(bShading ? FX_BSTRC("Shading") : FX_BSTRC("Pattern"), name);
+ if (pPattern == NULL || (pPattern->GetType() != PDFOBJ_DICTIONARY &&
+ pPattern->GetType() != PDFOBJ_STREAM)) {
+ m_bResourceMissing = TRUE;
+ return NULL;
+ }
+ return m_pDocument->LoadPattern(pPattern, bShading, &m_pCurStates->m_ParentMatrix);
+}
+void CPDF_StreamContentParser::ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y)
+{
+ m_pCurStates->m_TextMatrix.Transform(x, y, x, y);
+ ConvertUserSpace(x, y);
+}
+void CPDF_StreamContentParser::ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y)
+{
+ m_pCurStates->m_CTM.Transform(x, y, x, y);
+ m_mtContentToUser.Transform(x, y, x, y);
+}
+void CPDF_StreamContentParser::AddTextObject(CFX_ByteString* pStrs, FX_FLOAT fInitKerning, FX_FLOAT* pKerning, int nsegs)
+{
+ CPDF_Font* pFont = m_pCurStates->m_TextState.GetFont();
+ if (pFont == NULL) {
+ return;
+ }
+ if (fInitKerning != 0) {
+ if (!pFont->IsVertWriting()) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ } else {
+ m_pCurStates->m_TextY -= FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ }
+ }
+ if (nsegs == 0) {
+ return;
+ }
+ int textmode;
+ if (pFont->GetFontType() == PDFFONT_TYPE3) {
+ textmode = 0;
+ } else {
+ textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
+ }
+ CPDF_TextObject* pText = FX_NEW CPDF_TextObject;
+ m_pLastTextObject = pText;
+ SetGraphicStates(pText, TRUE, TRUE, TRUE);
+ if (textmode && textmode != 3 && textmode != 4 && textmode != 7) {
+ FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM;
+ pCTM[0] = m_pCurStates->m_CTM.a;
+ pCTM[1] = m_pCurStates->m_CTM.c;
+ pCTM[2] = m_pCurStates->m_CTM.b;
+ pCTM[3] = m_pCurStates->m_CTM.d;
+ }
+ pText->SetSegments(pStrs, pKerning, nsegs);
+ pText->m_PosX = m_pCurStates->m_TextX;
+ pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise;
+ ConvertTextSpace(pText->m_PosX, pText->m_PosY);
+ FX_FLOAT x_advance, y_advance;
+ pText->CalcPositionData(&x_advance, &y_advance, m_pCurStates->m_TextHorzScale, m_Level);
+ m_pCurStates->m_TextX += x_advance;
+ m_pCurStates->m_TextY += y_advance;
+ if (textmode > 3) {
+ CPDF_TextObject* pCopy = FX_NEW CPDF_TextObject;
+ pCopy->Copy(pText);
+ m_ClipTextList.Add(pCopy);
+ }
+ m_pObjectList->m_ObjectList.AddTail(pText);
+ if (pKerning && pKerning[nsegs - 1] != 0) {
+ if (!pFont->IsVertWriting()) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ } else {
+ m_pCurStates->m_TextY -= FXSYS_Mul(pKerning[nsegs - 1], m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ }
+ }
+}
+void CPDF_StreamContentParser::Handle_ShowText()
+{
+ CFX_ByteString str = GetString(0);
+ if (str.IsEmpty()) {
+ return;
+ }
+ AddTextObject(&str, 0, NULL, 1);
+}
+void CPDF_StreamContentParser::Handle_ShowText_Positioning()
+{
+ CPDF_Array* pArray = GetObject(0)->GetArray();
+ if (pArray == NULL) {
+ return;
+ }
+ int n = pArray->GetCount(), nsegs = 0, i;
+ for (i = 0; i < n; i ++) {
+ CPDF_Object* pObj = pArray->GetElementValue(i);
+ if (pObj->GetType() == PDFOBJ_STRING) {
+ nsegs ++;
+ }
+ }
+ if (nsegs == 0) {
+ for (i = 0; i < n; i ++) {
+ m_pCurStates->m_TextX -= FXSYS_Mul(pArray->GetNumber(i), m_pCurStates->m_TextState.GetFontSize()) / 1000;
+ };
+ return;
+ }
+ CFX_ByteString* pStrs;
+ FX_NEW_VECTOR(pStrs, CFX_ByteString, nsegs);
+ FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
+ int iSegment = 0;
+ FX_FLOAT fInitKerning = 0;
+ for (i = 0; i < n; i ++) {
+ CPDF_Object* pObj = pArray->GetElementValue(i);
+ if (pObj->GetType() == PDFOBJ_STRING) {
+ CFX_ByteString str = pObj->GetString();
+ if (str.IsEmpty()) {
+ continue;
+ }
+ pStrs[iSegment] = str;
+ pKerning[iSegment ++] = 0;
+ } else {
+ if (iSegment == 0) {
+ fInitKerning += pObj->GetNumber();
+ } else {
+ pKerning[iSegment - 1] += pObj->GetNumber();
+ }
+ }
+ }
+ AddTextObject(pStrs, fInitKerning, pKerning, iSegment);
+ FX_DELETE_VECTOR(pStrs, CFX_ByteString, nsegs);
+ FX_Free(pKerning);
+}
+void CPDF_StreamContentParser::Handle_SetTextLeading()
+{
+ m_pCurStates->m_TextLeading = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetTextMatrix()
+{
+ m_pCurStates->m_TextMatrix.Set(GetNumber16(5), GetNumber16(4), GetNumber16(3),
+ GetNumber16(2), GetNumber(1), GetNumber(0));
+ OnChangeTextMatrix();
+ m_pCurStates->m_TextX = 0;
+ m_pCurStates->m_TextY = 0;
+ m_pCurStates->m_TextLineX = 0;
+ m_pCurStates->m_TextLineY = 0;
+}
+void CPDF_StreamContentParser::OnChangeTextMatrix()
+{
+ CFX_AffineMatrix text_matrix(m_pCurStates->m_TextHorzScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
+ text_matrix.Concat(m_pCurStates->m_TextMatrix);
+ text_matrix.Concat(m_pCurStates->m_CTM);
+ text_matrix.Concat(m_mtContentToUser);
+ FX_FLOAT* pTextMatrix = m_pCurStates->m_TextState.GetModify()->m_Matrix;
+ pTextMatrix[0] = text_matrix.a;
+ pTextMatrix[1] = text_matrix.c;
+ pTextMatrix[2] = text_matrix.b;
+ pTextMatrix[3] = text_matrix.d;
+}
+void CPDF_StreamContentParser::Handle_SetTextRenderMode()
+{
+ int mode = GetInteger(0);
+ if (mode < 0 || mode > 7) {
+ return;
+ }
+ m_pCurStates->m_TextState.GetModify()->m_TextMode = mode;
+}
+void CPDF_StreamContentParser::Handle_SetTextRise()
+{
+ m_pCurStates->m_TextRise = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetWordSpace()
+{
+ m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(0);
+}
+void CPDF_StreamContentParser::Handle_SetHorzScale()
+{
+ if (m_ParamCount != 1) {
+ return;
+ }
+ m_pCurStates->m_TextHorzScale = GetNumber(0) / 100;
+ OnChangeTextMatrix();
+}
+void CPDF_StreamContentParser::Handle_MoveToNextLine()
+{
+ m_pCurStates->m_TextLineY -= m_pCurStates->m_TextLeading;
+ m_pCurStates->m_TextX = m_pCurStates->m_TextLineX;
+ m_pCurStates->m_TextY = m_pCurStates->m_TextLineY;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_23()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(m_PathCurrentX, m_PathCurrentY, FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_SetLineWidth()
+{
+ FX_FLOAT width = GetNumber(0);
+ m_pCurStates->m_GraphState.GetModify()->m_LineWidth = width;
+}
+void CPDF_StreamContentParser::Handle_Clip()
+{
+ m_PathClipType = FXFILL_WINDING;
+}
+void CPDF_StreamContentParser::Handle_EOClip()
+{
+ m_PathClipType = FXFILL_ALTERNATE;
+}
+void CPDF_StreamContentParser::Handle_CurveTo_13()
+{
+ if (m_Options.m_bTextOnly) {
+ return;
+ }
+ AddPathPoint(GetNumber(3), GetNumber(2), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+ AddPathPoint(GetNumber(1), GetNumber(0), FXPT_BEZIERTO);
+}
+void CPDF_StreamContentParser::Handle_NextLineShowText()
+{
+ Handle_MoveToNextLine();
+ Handle_ShowText();
+}
+void CPDF_StreamContentParser::Handle_NextLineShowText_Space()
+{
+ m_pCurStates->m_TextState.GetModify()->m_WordSpace = GetNumber(2);
+ m_pCurStates->m_TextState.GetModify()->m_CharSpace = GetNumber(1);
+ Handle_NextLineShowText();
+}
+void CPDF_StreamContentParser::Handle_Invalid()
+{
+}
+void CPDF_StreamContentParser::AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag)
+{
+ m_PathCurrentX = x;
+ m_PathCurrentY = y;
+ if (flag == FXPT_MOVETO) {
+ m_PathStartX = x;
+ m_PathStartY = y;
+ if (m_PathPointCount && m_pPathPoints[m_PathPointCount - 1].m_Flag == FXPT_MOVETO) {
+ m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
+ m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
+ return;
+ }
+ } else if (m_PathPointCount == 0) {
+ return;
+ }
+ m_PathPointCount ++;
+ if (m_PathPointCount > m_PathAllocSize) {
+ int newsize = m_PathPointCount + 256;
+ FX_PATHPOINT* pNewPoints = FX_Alloc(FX_PATHPOINT, newsize);
+ if (m_PathAllocSize) {
+ FXSYS_memcpy32(pNewPoints, m_pPathPoints, m_PathAllocSize * sizeof(FX_PATHPOINT));
+ FX_Free(m_pPathPoints);
+ }
+ m_pPathPoints = pNewPoints;
+ m_PathAllocSize = newsize;
+ }
+ m_pPathPoints[m_PathPointCount - 1].m_Flag = flag;
+ m_pPathPoints[m_PathPointCount - 1].m_PointX = x;
+ m_pPathPoints[m_PathPointCount - 1].m_PointY = y;
+}
+void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke)
+{
+ int PathPointCount = m_PathPointCount, PathClipType = m_PathClipType;
+ m_PathPointCount = 0;
+ m_PathClipType = 0;
+ if (PathPointCount <= 1) {
+ if (PathPointCount && PathClipType) {
+ CPDF_Path path;
+ path.New()->AppendRect(0, 0, 0, 0);
+ m_pCurStates->m_ClipPath.AppendPath(path, FXFILL_WINDING, TRUE);
+ }
+ return;
+ }
+ if (PathPointCount && m_pPathPoints[PathPointCount - 1].m_Flag == FXPT_MOVETO) {
+ PathPointCount --;
+ }
+ CPDF_Path Path;
+ CFX_PathData* pPathData = Path.New();
+ pPathData->SetPointCount(PathPointCount);
+ FXSYS_memcpy32(pPathData->GetPoints(), m_pPathPoints, sizeof(FX_PATHPOINT) * PathPointCount);
+ CFX_AffineMatrix matrix = m_pCurStates->m_CTM;
+ matrix.Concat(m_mtContentToUser);
+ if (bStroke || FillType) {
+ CPDF_PathObject* pPathObj = FX_NEW CPDF_PathObject;
+ pPathObj->m_bStroke = bStroke;
+ pPathObj->m_FillType = FillType;
+ pPathObj->m_Path = Path;
+ pPathObj->m_Matrix = matrix;
+ SetGraphicStates(pPathObj, TRUE, FALSE, TRUE);
+ pPathObj->CalcBoundingBox();
+ m_pObjectList->m_ObjectList.AddTail(pPathObj);
+ }
+ if (PathClipType) {
+ if (!matrix.IsIdentity()) {
+ Path.Transform(&matrix);
+ matrix.SetIdentity();
+ }
+ m_pCurStates->m_ClipPath.AppendPath(Path, PathClipType, TRUE);
+ }
+}
+CFX_ByteString _FPDF_ByteStringFromHex(CFX_BinaryBuf& src_buf)
+{
+ CFX_ByteTextBuf buf;
+ FX_BOOL bFirst = TRUE;
+ int code = 0;
+ FX_LPCBYTE str = src_buf.GetBuffer();
+ FX_DWORD size = src_buf.GetSize();
+ for (FX_DWORD i = 0; i < size; i ++) {
+ FX_BYTE ch = str[i];
+ if (ch >= '0' && ch <= '9') {
+ if (bFirst) {
+ code = (ch - '0') * 16;
+ } else {
+ code += ch - '0';
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'A' && ch <= 'F') {
+ if (bFirst) {
+ code = (ch - 'A' + 10) * 16;
+ } else {
+ code += ch - 'A' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ } else if (ch >= 'a' && ch <= 'f') {
+ if (bFirst) {
+ code = (ch - 'a' + 10) * 16;
+ } else {
+ code += ch - 'a' + 10;
+ buf.AppendChar((char)code);
+ }
+ bFirst = !bFirst;
+ }
+ }
+ if (!bFirst) {
+ buf.AppendChar((char)code);
+ }
+ return buf.GetByteString();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 10:58:52 +0000