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path: root/core/fpdfapi/render/cpdf_renderstatus.cpp
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Diffstat (limited to 'core/fpdfapi/render/cpdf_renderstatus.cpp')
-rw-r--r--core/fpdfapi/render/cpdf_renderstatus.cpp91
1 files changed, 46 insertions, 45 deletions
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index 0f054ef578..565be85412 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -113,9 +113,9 @@ uint32_t GetValidatedOutputsCount(
void DrawAxialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
+ const CPDF_Dictionary* pDict,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -123,7 +123,7 @@ void DrawAxialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
if (total_results == 0)
return;
- CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
+ const CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
if (!pCoords)
return;
@@ -133,7 +133,7 @@ void DrawAxialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
float end_y = pCoords->GetNumberAt(3);
float t_min = 0;
float t_max = 1.0f;
- CPDF_Array* pArray = pDict->GetArrayFor("Domain");
+ const CPDF_Array* pArray = pDict->GetArrayFor("Domain");
if (pArray) {
t_min = pArray->GetNumberAt(0);
t_max = pArray->GetNumberAt(1);
@@ -200,9 +200,9 @@ void DrawAxialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
+ const CPDF_Dictionary* pDict,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -210,7 +210,7 @@ void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
if (total_results == 0)
return;
- CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
+ const CPDF_Array* pCoords = pDict->GetArrayFor("Coords");
if (!pCoords)
return;
@@ -222,7 +222,7 @@ void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
float end_r = pCoords->GetNumberAt(5);
float t_min = 0;
float t_max = 1.0f;
- CPDF_Array* pArray = pDict->GetArrayFor("Domain");
+ const CPDF_Array* pArray = pDict->GetArrayFor("Domain");
if (pArray) {
t_min = pArray->GetNumberAt(0);
t_max = pArray->GetNumberAt(1);
@@ -334,9 +334,9 @@ void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
void DrawFuncShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Dictionary* pDict,
+ const CPDF_Dictionary* pDict,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -344,7 +344,7 @@ void DrawFuncShading(const RetainPtr<CFX_DIBitmap>& pBitmap,
if (total_results == 0)
return;
- CPDF_Array* pDomain = pDict->GetArrayFor("Domain");
+ const CPDF_Array* pDomain = pDict->GetArrayFor("Domain");
float xmin = 0.0f;
float ymin = 0.0f;
float xmax = 1.0f;
@@ -492,9 +492,9 @@ void DrawGouraud(const RetainPtr<CFX_DIBitmap>& pBitmap,
void DrawFreeGouraudShading(
const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
+ const CPDF_Stream* pShadingStream,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -533,9 +533,9 @@ void DrawFreeGouraudShading(
void DrawLatticeGouraudShading(
const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
+ const CPDF_Stream* pShadingStream,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -851,9 +851,9 @@ void DrawCoonPatchMeshes(
ShadingType type,
const RetainPtr<CFX_DIBitmap>& pBitmap,
CFX_Matrix* pObject2Bitmap,
- CPDF_Stream* pShadingStream,
+ const CPDF_Stream* pShadingStream,
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
- CPDF_ColorSpace* pCS,
+ const CPDF_ColorSpace* pCS,
int fill_mode,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
@@ -1019,7 +1019,7 @@ bool CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext,
const CPDF_RenderOptions* pOptions,
int transparency,
bool bDropObjects,
- CPDF_Dictionary* pFormResource,
+ const CPDF_Dictionary* pFormResource,
bool bStdCS,
CPDF_Type3Char* pType3Char,
FX_ARGB fill_color,
@@ -1232,7 +1232,7 @@ void CPDF_RenderStatus::DrawObjWithBackground(CPDF_PageObject* pObj,
}
CFX_Matrix matrix = *pObj2Device;
matrix.Concat(*buffer.GetMatrix());
- CPDF_Dictionary* pFormResource = nullptr;
+ const CPDF_Dictionary* pFormResource = nullptr;
const CPDF_FormObject* pFormObj = pObj->AsForm();
if (pFormObj) {
const CPDF_Dictionary* pFormDict = pFormObj->form()->GetFormDict();
@@ -1252,7 +1252,8 @@ bool CPDF_RenderStatus::ProcessForm(const CPDF_FormObject* pFormObj,
#if defined _SKIA_SUPPORT_
DebugVerifyDeviceIsPreMultiplied();
#endif
- CPDF_Dictionary* pOC = pFormObj->form()->GetFormDict()->GetDictFor("OC");
+ const CPDF_Dictionary* pOC =
+ pFormObj->form()->GetFormDict()->GetDictFor("OC");
if (pOC && m_Options.GetOCContext() &&
!m_Options.GetOCContext()->CheckOCGVisible(pOC)) {
return true;
@@ -1260,7 +1261,7 @@ bool CPDF_RenderStatus::ProcessForm(const CPDF_FormObject* pFormObj,
CFX_Matrix matrix = pFormObj->form_matrix();
matrix.Concat(*pObj2Device);
const CPDF_Dictionary* pFormDict = pFormObj->form()->GetFormDict();
- CPDF_Dictionary* pResources =
+ const CPDF_Dictionary* pResources =
pFormDict ? pFormDict->GetDictFor("Resources") : nullptr;
CPDF_RenderStatus status;
status.Initialize(m_pContext.Get(), m_pDevice, nullptr, m_pStopObj, this,
@@ -1318,7 +1319,7 @@ bool CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj,
}
RetainPtr<CPDF_TransferFunc> CPDF_RenderStatus::GetTransferFunc(
- CPDF_Object* pObj) const {
+ const CPDF_Object* pObj) const {
ASSERT(pObj);
CPDF_DocRenderData* pDocCache = m_pContext->GetDocument()->GetRenderData();
return pDocCache ? pDocCache->GetTransferFunc(pObj) : nullptr;
@@ -1466,7 +1467,7 @@ bool CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
if (blend_type == FXDIB_BLEND_UNSUPPORTED)
return true;
- CPDF_Dictionary* pSMaskDict =
+ const CPDF_Dictionary* pSMaskDict =
ToDictionary(pPageObj->m_GeneralState.GetSoftMask());
if (pSMaskDict) {
if (pPageObj->IsImage() &&
@@ -1474,7 +1475,7 @@ bool CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
pSMaskDict = nullptr;
}
}
- CPDF_Dictionary* pFormResource = nullptr;
+ const CPDF_Dictionary* pFormResource = nullptr;
float group_alpha = 1.0f;
int iTransparency = m_iTransparency;
bool bGroupTransparent = false;
@@ -1503,14 +1504,14 @@ bool CPDF_RenderStatus::ProcessTransparency(CPDF_PageObject* pPageObj,
} else {
pDocument = pPageObj->AsImage()->GetImage()->GetDocument();
}
- CPDF_Dictionary* pPageResources =
+ const CPDF_Dictionary* pPageResources =
pPage ? pPage->m_pPageResources.Get() : nullptr;
- CPDF_Object* pCSObj = pPageObj->AsImage()
- ->GetImage()
- ->GetStream()
- ->GetDict()
- ->GetDirectObjectFor("ColorSpace");
- CPDF_ColorSpace* pColorSpace =
+ const CPDF_Object* pCSObj = pPageObj->AsImage()
+ ->GetImage()
+ ->GetStream()
+ ->GetDict()
+ ->GetDirectObjectFor("ColorSpace");
+ const CPDF_ColorSpace* pColorSpace =
pDocument->LoadColorSpace(pCSObj, pPageResources);
if (pColorSpace) {
int format = pColorSpace->GetFamily();
@@ -1872,7 +1873,7 @@ bool CPDF_RenderStatus::ProcessType3Text(CPDF_TextObject* textobj,
option_flags &= ~RENDER_FORCE_DOWNSAMPLE;
options.SetFlags(option_flags);
- CPDF_Dictionary* pFormResource = nullptr;
+ const CPDF_Dictionary* pFormResource = nullptr;
if (pType3Char->form() && pType3Char->form()->GetFormDict()) {
pFormResource =
pType3Char->form()->GetFormDict()->GetDictFor("Resources");
@@ -2038,14 +2039,14 @@ void CPDF_RenderStatus::DrawShading(const CPDF_ShadingPattern* pPattern,
int alpha,
bool bAlphaMode) {
const auto& funcs = pPattern->GetFuncs();
- CPDF_Dictionary* pDict = pPattern->GetShadingObject()->GetDict();
- CPDF_ColorSpace* pColorSpace = pPattern->GetCS();
+ const CPDF_Dictionary* pDict = pPattern->GetShadingObject()->GetDict();
+ const CPDF_ColorSpace* pColorSpace = pPattern->GetCS();
if (!pColorSpace)
return;
FX_ARGB background = 0;
if (!pPattern->IsShadingObject() && pDict->KeyExist("Background")) {
- CPDF_Array* pBackColor = pDict->GetArrayFor("Background");
+ const CPDF_Array* pBackColor = pDict->GetArrayFor("Background");
if (pBackColor &&
pBackColor->GetCount() >= pColorSpace->CountComponents()) {
std::vector<float> comps;
@@ -2097,7 +2098,7 @@ void CPDF_RenderStatus::DrawShading(const CPDF_ShadingPattern* pPattern,
case kFreeFormGouraudTriangleMeshShading: {
// The shading object can be a stream or a dictionary. We do not handle
// the case of dictionary at the moment.
- if (CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
+ if (const CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
DrawFreeGouraudShading(pBitmap, &FinalMatrix, pStream, funcs,
pColorSpace, alpha);
}
@@ -2105,7 +2106,7 @@ void CPDF_RenderStatus::DrawShading(const CPDF_ShadingPattern* pPattern,
case kLatticeFormGouraudTriangleMeshShading: {
// The shading object can be a stream or a dictionary. We do not handle
// the case of dictionary at the moment.
- if (CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
+ if (const CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
DrawLatticeGouraudShading(pBitmap, &FinalMatrix, pStream, funcs,
pColorSpace, alpha);
}
@@ -2114,7 +2115,7 @@ void CPDF_RenderStatus::DrawShading(const CPDF_ShadingPattern* pPattern,
case kTensorProductPatchMeshShading: {
// The shading object can be a stream or a dictionary. We do not handle
// the case of dictionary at the moment.
- if (CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
+ if (const CPDF_Stream* pStream = ToStream(pPattern->GetShadingObject())) {
DrawCoonPatchMeshes(pPattern->GetShadingType(), pBitmap, &FinalMatrix,
pStream, funcs, pColorSpace, m_Options.GetFlags(),
alpha);
@@ -2243,7 +2244,7 @@ void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern,
pStates = CloneObjStates(pPageObj, bStroke);
const CPDF_Dictionary* pFormDict = pPattern->form()->GetFormDict();
- CPDF_Dictionary* pFormResource =
+ const CPDF_Dictionary* pFormResource =
pFormDict ? pFormDict->GetDictFor("Resources") : nullptr;
for (int col = min_col; col <= max_col; col++) {
for (int row = min_row; row <= max_row; row++) {
@@ -2525,7 +2526,7 @@ void CPDF_RenderStatus::CompositeDIBitmap(
}
RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::LoadSMask(
- CPDF_Dictionary* pSMaskDict,
+ const CPDF_Dictionary* pSMaskDict,
FX_RECT* pClipRect,
const CFX_Matrix* pMatrix) {
if (!pSMaskDict)
@@ -2536,7 +2537,7 @@ RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::LoadSMask(
return nullptr;
std::unique_ptr<CPDF_Function> pFunc;
- CPDF_Object* pFuncObj =
+ const CPDF_Object* pFuncObj =
pSMaskDict->GetDirectObjectFor(pdfium::transparency::kTR);
if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream()))
pFunc = CPDF_Function::Load(pFuncObj);
@@ -2573,10 +2574,10 @@ RetainPtr<CFX_DIBitmap> CPDF_RenderStatus::LoadSMask(
} else {
bitmap.Clear(0);
}
- CPDF_Dictionary* pFormResource = nullptr;
- if (form.GetFormDict()) {
+
+ const CPDF_Dictionary* pFormResource = nullptr;
+ if (form.GetFormDict())
pFormResource = form.GetFormDict()->GetDictFor("Resources");
- }
CPDF_RenderOptions options;
options.SetColorMode(bLuminosity ? CPDF_RenderOptions::kNormal
: CPDF_RenderOptions::kAlpha);
@@ -2637,7 +2638,7 @@ FX_ARGB CPDF_RenderStatus::GetBackColor(const CPDF_Dictionary* pSMaskDict,
if (!pBC)
return kDefaultColor;
- CPDF_Object* pCSObj = nullptr;
+ const CPDF_Object* pCSObj = nullptr;
const CPDF_Dictionary* pGroup =
pGroupDict ? pGroupDict->GetDictFor("Group") : nullptr;
if (pGroup) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 08:15:10 +0000