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-rw-r--r--core/fpdfapi/page/cpdf_color.cpp13
-rw-r--r--core/fpdfapi/page/cpdf_color.h5
-rw-r--r--core/fpdfapi/page/cpdf_colorstate.cpp10
-rw-r--r--core/fpdfapi/page/cpdf_colorstate.h7
-rw-r--r--core/fpdfapi/page/cpdf_streamcontentparser.cpp86
-rw-r--r--core/fpdfapi/page/cpdf_streamcontentparser.h3
6 files changed, 65 insertions, 59 deletions
diff --git a/core/fpdfapi/page/cpdf_color.cpp b/core/fpdfapi/page/cpdf_color.cpp
index 080df2fa28..26db5dec15 100644
--- a/core/fpdfapi/page/cpdf_color.cpp
+++ b/core/fpdfapi/page/cpdf_color.cpp
@@ -86,10 +86,9 @@ void CPDF_Color::SetValue(const float* comps) {
memcpy(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(float));
}
-void CPDF_Color::SetValue(CPDF_Pattern* pPattern,
- const float* comps,
- uint32_t ncomps) {
- if (ncomps > kMaxPatternColorComps)
+void CPDF_Color::SetValueForPattern(CPDF_Pattern* pPattern,
+ const std::vector<float>& values) {
+ if (values.size() > kMaxPatternColorComps)
return;
if (!IsPattern()) {
@@ -104,10 +103,10 @@ void CPDF_Color::SetValue(CPDF_Pattern* pPattern,
pDocPageData = pvalue->m_pPattern->document()->GetPageData();
pDocPageData->ReleasePattern(pvalue->m_pPattern->pattern_obj());
}
- pvalue->m_nComps = ncomps;
+ pvalue->m_nComps = values.size();
pvalue->m_pPattern = pPattern;
- if (ncomps)
- memcpy(pvalue->m_Comps, comps, ncomps * sizeof(float));
+ if (!values.empty())
+ memcpy(pvalue->m_Comps, values.data(), values.size() * sizeof(float));
pvalue->m_pCountedPattern = nullptr;
if (pPattern) {
diff --git a/core/fpdfapi/page/cpdf_color.h b/core/fpdfapi/page/cpdf_color.h
index 31bc125d83..a6e640c736 100644
--- a/core/fpdfapi/page/cpdf_color.h
+++ b/core/fpdfapi/page/cpdf_color.h
@@ -7,6 +7,8 @@
#ifndef CORE_FPDFAPI_PAGE_CPDF_COLOR_H_
#define CORE_FPDFAPI_PAGE_CPDF_COLOR_H_
+#include <vector>
+
#include "core/fpdfapi/page/cpdf_colorspace.h"
#include "core/fxcrt/fx_system.h"
@@ -24,7 +26,8 @@ class CPDF_Color {
void SetColorSpace(CPDF_ColorSpace* pCS);
void SetValue(const float* comp);
- void SetValue(CPDF_Pattern* pPattern, const float* comp, uint32_t ncomps);
+ void SetValueForPattern(CPDF_Pattern* pPattern,
+ const std::vector<float>& values);
bool GetRGB(int* R, int* G, int* B) const;
diff --git a/core/fpdfapi/page/cpdf_colorstate.cpp b/core/fpdfapi/page/cpdf_colorstate.cpp
index b1f14c88b1..16d2770600 100644
--- a/core/fpdfapi/page/cpdf_colorstate.cpp
+++ b/core/fpdfapi/page/cpdf_colorstate.cpp
@@ -85,10 +85,9 @@ void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS,
}
void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
- float* pValue,
- uint32_t nValues) {
+ const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
- pData->m_FillColor.SetValue(pPattern, pValue, nValues);
+ pData->m_FillColor.SetValueForPattern(pPattern, values);
int R;
int G;
int B;
@@ -103,10 +102,9 @@ void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
}
void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern,
- float* pValue,
- uint32_t nValues) {
+ const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
- pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
+ pData->m_StrokeColor.SetValueForPattern(pPattern, values);
int R;
int G;
int B;
diff --git a/core/fpdfapi/page/cpdf_colorstate.h b/core/fpdfapi/page/cpdf_colorstate.h
index 591610a753..053e103ead 100644
--- a/core/fpdfapi/page/cpdf_colorstate.h
+++ b/core/fpdfapi/page/cpdf_colorstate.h
@@ -7,6 +7,8 @@
#ifndef CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_
#define CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_
+#include <vector>
+
#include "core/fpdfapi/page/cpdf_color.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/shared_copy_on_write.h"
@@ -41,8 +43,9 @@ class CPDF_ColorState {
void SetFillColor(CPDF_ColorSpace* pCS, float* pValue, uint32_t nValues);
void SetStrokeColor(CPDF_ColorSpace* pCS, float* pValue, uint32_t nValues);
- void SetFillPattern(CPDF_Pattern* pattern, float* pValue, uint32_t nValues);
- void SetStrokePattern(CPDF_Pattern* pattern, float* pValue, uint32_t nValues);
+ void SetFillPattern(CPDF_Pattern* pattern, const std::vector<float>& values);
+ void SetStrokePattern(CPDF_Pattern* pattern,
+ const std::vector<float>& values);
bool HasRef() const { return !!m_Ref; }
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.cpp b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
index 9cd05cbb2d..5d1f5efd49 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.cpp
@@ -832,6 +832,23 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImageObject(
return pRet;
}
+std::vector<float> CPDF_StreamContentParser::GetColors() const {
+ ASSERT(m_ParamCount > 0);
+ std::vector<float> values(m_ParamCount);
+ for (size_t i = 0; i < m_ParamCount; ++i)
+ values[i] = GetNumber(m_ParamCount - i - 1);
+ return values;
+}
+
+std::vector<float> CPDF_StreamContentParser::GetNamedColors() const {
+ ASSERT(m_ParamCount > 0);
+ const uint32_t nvalues = m_ParamCount - 1;
+ std::vector<float> values(nvalues);
+ for (size_t i = 0; i < nvalues; ++i)
+ values[i] = GetNumber(m_ParamCount - i - 1);
+ return values;
+}
+
void CPDF_StreamContentParser::Handle_MarkPlace_Dictionary() {}
void CPDF_StreamContentParser::Handle_EndImage() {}
@@ -1049,57 +1066,40 @@ void CPDF_StreamContentParser::Handle_SetColor_Stroke() {
void CPDF_StreamContentParser::Handle_SetColorPS_Fill() {
CPDF_Object* pLastParam = GetObject(0);
- if (!pLastParam) {
+ if (!pLastParam)
+ return;
+
+ if (!pLastParam->IsName()) {
+ std::vector<float> values = GetColors();
+ m_pCurStates->m_ColorState.SetFillColor(nullptr, values.data(),
+ values.size());
return;
}
- uint32_t nargs = m_ParamCount;
- uint32_t nvalues = nargs;
- if (pLastParam->IsName())
- nvalues--;
- float* values = nullptr;
- if (nvalues) {
- values = FX_Alloc(float, nvalues);
- for (uint32_t 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(nullptr, values, nvalues);
- }
- FX_Free(values);
+
+ // A valid |pLastParam| implies |m_ParamCount| > 0, so GetNamedColors() call
+ // below is safe.
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), false);
+ if (pPattern)
+ m_pCurStates->m_ColorState.SetFillPattern(pPattern, GetNamedColors());
}
void CPDF_StreamContentParser::Handle_SetColorPS_Stroke() {
CPDF_Object* pLastParam = GetObject(0);
- if (!pLastParam) {
+ if (!pLastParam)
+ return;
+
+ if (!pLastParam->IsName()) {
+ std::vector<float> values = GetColors();
+ m_pCurStates->m_ColorState.SetStrokeColor(nullptr, values.data(),
+ values.size());
return;
}
- int nargs = m_ParamCount;
- int nvalues = nargs;
- if (pLastParam->IsName())
- nvalues--;
-
- float* values = nullptr;
- if (nvalues) {
- values = FX_Alloc(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(nullptr, values, nvalues);
- }
- FX_Free(values);
+
+ // A valid |pLastParam| implies |m_ParamCount| > 0, so GetNamedColors() call
+ // below is safe.
+ CPDF_Pattern* pPattern = FindPattern(GetString(0), false);
+ if (pPattern)
+ m_pCurStates->m_ColorState.SetStrokePattern(pPattern, GetNamedColors());
}
void CPDF_StreamContentParser::Handle_ShadeFill() {
diff --git a/core/fpdfapi/page/cpdf_streamcontentparser.h b/core/fpdfapi/page/cpdf_streamcontentparser.h
index ff80ae9ef1..2711a39918 100644
--- a/core/fpdfapi/page/cpdf_streamcontentparser.h
+++ b/core/fpdfapi/page/cpdf_streamcontentparser.h
@@ -122,6 +122,9 @@ class CPDF_StreamContentParser {
// Takes ownership of |pImageObj|, returns unowned pointer to it.
CPDF_ImageObject* AddImageObject(std::unique_ptr<CPDF_ImageObject> pImageObj);
+ std::vector<float> GetColors() const;
+ std::vector<float> GetNamedColors() const;
+
void Handle_CloseFillStrokePath();
void Handle_FillStrokePath();
void Handle_CloseEOFillStrokePath();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 00:46:42 +0000