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-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp137
1 files changed, 68 insertions, 69 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index fdc4a27989..5b5703b868 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -8,80 +8,60 @@
#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_memset(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;
-}
-FX_BOOL CPDF_StreamContentParser::Initialize()
-{
- 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);
- }
- delete m_pCurStates;
- if (m_pLastImageDict) {
- m_pLastImageDict->Release();
- }
- if (m_pLastCloneImageDict) {
- m_pLastCloneImageDict->Release();
- }
-}
-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)
+
+CPDF_StreamContentParser::CPDF_StreamContentParser(
+ 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)
+ : m_pDocument(pDocument),
+ m_pPageResources(pPageResources),
+ m_pParentResources(pParentResources),
+ m_pResources(pResources),
+ m_pObjectList(pObjList),
+ m_Level(level),
+ m_ParamStartPos(0),
+ m_ParamCount(0),
+ m_bAbort(FALSE),
+ m_pCurStates(new CPDF_AllStates),
+ m_pLastTextObject(nullptr),
+ m_DefFontSize(0),
+ m_pPathPoints(nullptr),
+ m_PathPointCount(0),
+ m_PathAllocSize(0),
+ m_PathCurrentX(0.0f),
+ m_PathCurrentY(0.0f),
+ m_PathClipType(0),
+ m_pLastImage(nullptr),
+ m_pLastImageDict(nullptr),
+ m_pLastCloneImageDict(nullptr),
+ m_bReleaseLastDict(TRUE),
+ m_bColored(FALSE),
+ m_bResourceMissing(FALSE)
{
- 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) {
+ if (!m_pResources) {
m_pResources = m_pParentResources;
}
- if (m_pResources == NULL) {
- m_pResources = pPageResources;
+ if (!m_pResources) {
+ m_pResources = m_pPageResources;
}
if (pBBox) {
m_BBox = *pBBox;
}
- m_Level = level;
- m_pCurStates = new CPDF_AllStates;
if (pStates) {
m_pCurStates->Copy(*pStates);
} else {
@@ -90,6 +70,26 @@ void CPDF_StreamContentParser::PrepareParse(CPDF_Document* pDocument,
m_pCurStates->m_TextState.New();
m_pCurStates->m_ColorState.New();
}
+ for (int i = 0; i < FX_ArraySize(m_Type3Data); ++i) {
+ m_Type3Data[i] = 0.0;
+ }
+}
+
+CPDF_StreamContentParser::~CPDF_StreamContentParser()
+{
+ ClearAllParams();
+ for (int i = 0; i < m_StateStack.GetSize(); ++i) {
+ delete (CPDF_AllStates*)m_StateStack[i];
+ }
+ if (m_pPathPoints) {
+ FX_Free(m_pPathPoints);
+ }
+ if (m_pLastImageDict) {
+ m_pLastImageDict->Release();
+ }
+ if (m_pLastCloneImageDict) {
+ m_pLastCloneImageDict->Release();
+ }
}
int CPDF_StreamContentParser::GetNextParamPos()
{
@@ -241,10 +241,9 @@ void CPDF_StreamContentParser::SetGraphicStates(CPDF_PageObject* pObj, FX_BOOL b
pObj->m_TextState = m_pCurStates->m_TextState;
}
}
-const struct _OpCode {
- FX_DWORD m_OpId;
- void (CPDF_StreamContentParser::*m_OpHandler)();
-} g_OpCodes[] = {
+
+const CPDF_StreamContentParser::OpCode CPDF_StreamContentParser::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},
@@ -331,7 +330,7 @@ FX_BOOL CPDF_StreamContentParser::OnOperator(const FX_CHAR* op)
opid <<= 8;
i ++;
};
- int low = 0, high = sizeof g_OpCodes / sizeof(struct _OpCode) - 1;
+ int low = 0, high = sizeof g_OpCodes / sizeof(OpCode) - 1;
while (low <= high) {
int middle = (low + high) / 2;
int compare = opid - g_OpCodes[middle].m_OpId;
@@ -713,10 +712,10 @@ void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream)
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);
+ CPDF_StreamContentParser parser(
+ m_pDocument, m_pPageResources, m_pResources, &m_mtContentToUser,
+ m_pObjectList, pResources, &form_bbox, &m_Options,
+ m_pCurStates.get(), m_Level + 1);
parser.m_pCurStates->m_CTM = form_matrix;
if (ClipPath.NotNull()) {
parser.m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING, TRUE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 04:03:02 +0000