/// returns current position in stream
static long Tell(void* datasource)
{
if (!ToStream(datasource).CanSeek())
return -1;
return static_cast<long>(ToStream(datasource).Position());
}
const mr_string mr_exception::fileName() const
{
// We never use this value to open a file so we are safe to always convert its width.
mr_stringstream ss;
ToStream( ss, ExtractFileName( m_fileName ) );
return ss.str();
}
std::ostream& operator<<(std::ostream& os, std::tuple<Ts...> t)
{
os << '(';
apply_void(ToStream(os), t);
os << "\b)";
return os;
}
void DotGraph::WriteToFile(const char* filename) {
FILE* file = my_fopen(filename, "w");
ToStream(file);
my_fclose(file);
}
bool CPDF_DataAvail::CheckHintTables(DownloadHints* pHints) {
if (m_pLinearized->GetPageCount() <= 1) {
m_docStatus = PDF_DATAAVAIL_DONE;
return true;
}
if (!m_pLinearized->HasHintTable()) {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
FX_FILESIZE szHintStart = m_pLinearized->GetHintStart();
FX_FILESIZE szHintLength = m_pLinearized->GetHintLength();
if (!IsDataAvail(szHintStart, szHintLength, pHints))
return false;
m_syntaxParser.InitParser(m_pFileRead, m_dwHeaderOffset);
std::unique_ptr<CPDF_HintTables> pHintTables(
new CPDF_HintTables(this, m_pLinearized.get()));
std::unique_ptr<CPDF_Object> pHintStream(
ParseIndirectObjectAt(szHintStart, 0));
CPDF_Stream* pStream = ToStream(pHintStream.get());
if (pStream && pHintTables->LoadHintStream(pStream))
m_pHintTables = std::move(pHintTables);
m_docStatus = PDF_DATAAVAIL_DONE;
return true;
}
const Link* RecursiveGetLCAWithLength(const Link* from, string tax1, string tax2, bool& found1, bool& found2, double& totlength) {
const Link* ret= 0;
if (from->isLeaf()) {
// found1 |= (from->GetNode()->GetName() == tax1);
// found2 |= (from->GetNode()->GetName() == tax2);
found1 |= (GetLeafNodeName(from) == tax1);
found2 |= (GetLeafNodeName(from) == tax2);
if (! ret) {
if (found1 && found2) {
ret = from;
}
}
}
else {
for (const Link* link=from->Next(); link!=from; link=link->Next()) {
bool tmp1 = false;
bool tmp2 = false;
const Link* ret2 = RecursiveGetLCAWithLength(link->Out(),tax1,tax2,tmp1,tmp2,totlength);
found1 |= tmp1;
found2 |= tmp2;
if (ret2) {
if (ret) {
cerr << "error : found node twice\n";
cerr << tax1 << '\t' << tax2 << '\n';
ToStream(cerr,ret2->Out());
cerr << '\n';
ToStream(cerr,ret->Out());
cerr << '\n';
exit(1);
}
ret = ret2;
}
}
if (! ret) {
if (found1 && found2) {
ret = from;
}
}
}
if ((found1 || found2) && ! (found1 && found2)) {
totlength += GetLength(from->GetBranch());
}
return ret;
}
/// reads data from stream
static size_t Read(void* ptr, size_t size, size_t nmemb, void* datasource)
{
if (ToStream(datasource).AtEndOfStream())
return 0;
try
{
DWORD dwBytesRead = 0;
ToStream(datasource).Read(ptr, size*nmemb, dwBytesRead);
errno = 0;
return dwBytesRead;
}
catch(...)
{
errno = 1;
return 0;
}
}
CPDF_Image* CPDF_Image::Clone() {
if (m_pStream->GetObjNum())
return m_pDocument->GetPageData()->GetImage(m_pStream);
CPDF_Image* pImage = new CPDF_Image(m_pDocument);
pImage->LoadImageF(ToStream(m_pStream->CPDF_Object::Clone()), m_bInline);
if (m_bInline)
pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE)));
return pImage;
}
/// seeks in stream
static int Seek(void* datasource, ogg_int64_t offset, int whence)
{
if (!ToStream(datasource).CanSeek())
return -1;
try
{
// we can pass 'whence' to Seek() unmodified as long as these conditions are met:
static_assert(SEEK_SET == Stream::IStream::seekBegin, "seekBegin must have same value as SEEK_SET");
static_assert(SEEK_CUR == Stream::IStream::seekCurrent, "seekCurrent must have same value as SEEK_CUR");
static_assert(SEEK_END == Stream::IStream::seekEnd, "seekEnd must have same value as SEEK_END");
ToStream(datasource).Seek(offset,
static_cast<Stream::IStream::ESeekOrigin>(whence));
}
catch(...)
{
return -1;
}
return 0;
}
/// closes stream
static int Close(void* datasource)
{
try
{
ToStream(datasource).Close();
}
catch(...)
{
return 1;
}
return 0;
}
CPDF_Type3Char* CPDF_Type3Font::LoadChar(uint32_t charcode, int level) {
if (level >= _FPDF_MAX_TYPE3_FORM_LEVEL_)
return nullptr;
auto it = m_CacheMap.find(charcode);
if (it != m_CacheMap.end())
return it->second;
const FX_CHAR* name =
GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
if (!name)
return nullptr;
CPDF_Stream* pStream =
ToStream(m_pCharProcs ? m_pCharProcs->GetDirectObjectBy(name) : nullptr);
if (!pStream)
return nullptr;
std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources,
pStream, nullptr)));
// This can trigger recursion into this method. The content of |m_CacheMap|
// can change as a result. Thus after it returns, check the cache again for
// a cache hit.
pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get(), level + 1);
it = m_CacheMap.find(charcode);
if (it != m_CacheMap.end())
return it->second;
FX_FLOAT scale = m_FontMatrix.GetXUnit();
pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f);
FX_RECT& rcBBox = pNewChar->m_BBox;
CFX_FloatRect char_rect(
(FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f,
(FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f);
if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top)
char_rect = pNewChar->m_pForm->CalcBoundingBox();
char_rect.Transform(&m_FontMatrix);
rcBBox.left = FXSYS_round(char_rect.left * 1000);
rcBBox.right = FXSYS_round(char_rect.right * 1000);
rcBBox.top = FXSYS_round(char_rect.top * 1000);
rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000);
ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode));
CPDF_Type3Char* pCachedChar = pNewChar.release();
m_CacheMap[charcode] = pCachedChar;
if (pCachedChar->m_pForm->GetPageObjectList()->empty())
pCachedChar->m_pForm.reset();
return pCachedChar;
}
void CPDF_StreamContentParser::Handle_ExecuteXObject() {
CFX_ByteString name = GetString(0);
if (name == m_LastImageName && m_pLastImage && m_pLastImage->GetStream() &&
m_pLastImage->GetStream()->GetObjNum()) {
AddImage(nullptr, m_pLastImage, FALSE);
return;
}
if (m_Options.m_bTextOnly) {
if (!m_pResources)
return;
CPDF_Dictionary* pList = m_pResources->GetDict("XObject");
if (!pList && m_pPageResources && m_pResources != m_pPageResources)
pList = m_pPageResources->GetDict("XObject");
if (!pList)
return;
CPDF_Reference* pRes = ToReference(pList->GetElement(name));
if (!pRes)
return;
FX_BOOL bForm;
if (m_pDocument->IsFormStream(pRes->GetRefObjNum(), bForm) && !bForm)
return;
}
CPDF_Stream* pXObject = ToStream(FindResourceObj("XObject", name));
if (!pXObject) {
m_bResourceMissing = TRUE;
return;
}
CFX_ByteStringC type = pXObject->GetDict()
? pXObject->GetDict()->GetConstString("Subtype")
: CFX_ByteStringC();
if (type == "Image") {
if (m_Options.m_bTextOnly) {
return;
}
CPDF_ImageObject* pObj = AddImage(pXObject, NULL, FALSE);
m_LastImageName = name;
m_pLastImage = pObj->m_pImage;
if (!m_pObjectList->m_bHasImageMask)
m_pObjectList->m_bHasImageMask = m_pLastImage->IsMask();
} else if (type == "Form") {
AddForm(pXObject);
} else {
return;
}
}
CPDF_ContentParser::Stage CPDF_ContentParser::GetContent() {
ASSERT(m_CurrentStage == Stage::kGetContent);
ASSERT(m_pObjectHolder->IsPage());
CPDF_Array* pContent =
m_pObjectHolder->GetDict()->GetArrayFor(pdfium::page_object::kContents);
CPDF_Stream* pStreamObj = ToStream(
pContent ? pContent->GetDirectObjectAt(m_CurrentOffset) : nullptr);
m_StreamArray[m_CurrentOffset] =
pdfium::MakeRetain<CPDF_StreamAcc>(pStreamObj);
m_StreamArray[m_CurrentOffset]->LoadAllDataFiltered();
m_CurrentOffset++;
return m_CurrentOffset == m_nStreams ? Stage::kPrepareContent
: Stage::kGetContent;
}
void CPDF_StreamContentParser::Handle_ShadeFill() {
if (m_Options.m_bTextOnly) {
return;
}
CPDF_Pattern* pPattern = FindPattern(GetString(0), TRUE);
if (!pPattern) {
return;
}
if (pPattern->m_PatternType != CPDF_Pattern::SHADING) {
return;
}
CPDF_ShadingPattern* pShading = static_cast<CPDF_ShadingPattern*>(pPattern);
if (!pShading->m_bShadingObj) {
return;
}
if (!pShading->Load()) {
return;
}
CPDF_ShadingObject* pObj = 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->IsMeshShading()) {
bbox.Intersect(GetShadingBBox(ToStream(pShading->m_pShadingObj),
pShading->m_ShadingType, &pObj->m_Matrix,
pShading->m_pFunctions, pShading->m_nFuncs,
pShading->m_pCS));
}
pObj->m_Left = bbox.left;
pObj->m_Right = bbox.right;
pObj->m_Top = bbox.top;
pObj->m_Bottom = bbox.bottom;
m_pObjectList->m_ObjectList.AddTail(pObj);
}
bool CPDF_ShadingPattern::Load() {
if (m_ShadingType != kInvalidShading)
return true;
CPDF_Dictionary* pShadingDict =
m_pShadingObj ? m_pShadingObj->GetDict() : nullptr;
if (!pShadingDict)
return false;
m_pFunctions.clear();
CPDF_Object* pFunc = pShadingDict->GetDirectObjectFor("Function");
if (pFunc) {
if (CPDF_Array* pArray = pFunc->AsArray()) {
m_pFunctions.resize(std::min<size_t>(pArray->GetCount(), 4));
for (size_t i = 0; i < m_pFunctions.size(); ++i)
m_pFunctions[i] = CPDF_Function::Load(pArray->GetDirectObjectAt(i));
} else {
m_pFunctions.push_back(CPDF_Function::Load(pFunc));
}
}
CPDF_Object* pCSObj = pShadingDict->GetDirectObjectFor("ColorSpace");
if (!pCSObj)
return false;
CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr);
if (m_pCS)
m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
m_ShadingType = ToShadingType(pShadingDict->GetIntegerFor("ShadingType"));
// We expect to have a stream if our shading type is a mesh.
if (IsMeshShading() && !ToStream(m_pShadingObj))
return false;
return true;
}
void CPDF_PageContentGenerate::TransformContent(CFX_Matrix& matrix) {
CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL;
if (!pContent)
return;
CFX_ByteTextBuf buf;
if (CPDF_Array* pArray = pContent->AsArray()) {
int iCount = pArray->GetCount();
CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount);
int size = 0;
int i = 0;
for (i = 0; i < iCount; ++i) {
pContent = pArray->GetElement(i);
CPDF_Stream* pStream = ToStream(pContent);
if (!pStream)
continue;
CPDF_StreamAcc* pStreamAcc = new CPDF_StreamAcc();
pStreamAcc->LoadAllData(pStream);
pContentArray[i] = pStreamAcc;
size += pContentArray[i]->GetSize() + 1;
}
int pos = 0;
uint8_t* pBuf = FX_Alloc(uint8_t, size);
for (i = 0; i < iCount; ++i) {
FXSYS_memcpy(pBuf + pos, pContentArray[i]->GetData(),
pContentArray[i]->GetSize());
pos += pContentArray[i]->GetSize() + 1;
pBuf[pos - 1] = ' ';
delete pContentArray[i];
}
ProcessForm(buf, pBuf, size, matrix);
FX_Free(pBuf);
FX_Free(pContentArray);
} else if (CPDF_Stream* pStream = pContent->AsStream()) {
void CPDFXFA_DocEnvironment::ExportData(CXFA_FFDoc* hDoc,
const CFX_WideString& wsFilePath,
bool bXDP) {
if (hDoc != m_pContext->GetXFADoc())
return;
if (m_pContext->GetDocType() != DOCTYPE_DYNAMIC_XFA &&
m_pContext->GetDocType() != DOCTYPE_STATIC_XFA) {
return;
}
CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
if (!pFormFillEnv)
return;
int fileType = bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML;
CFX_ByteString bs = wsFilePath.UTF16LE_Encode();
if (wsFilePath.IsEmpty()) {
if (!pFormFillEnv->GetFormFillInfo() ||
!pFormFillEnv->GetFormFillInfo()->m_pJsPlatform) {
return;
}
CFX_WideString filepath = pFormFillEnv->JS_fieldBrowse();
bs = filepath.UTF16LE_Encode();
}
int len = bs.GetLength();
FPDF_FILEHANDLER* pFileHandler =
pFormFillEnv->OpenFile(bXDP ? FXFA_SAVEAS_XDP : FXFA_SAVEAS_XML,
(FPDF_WIDESTRING)bs.GetBuffer(len), "wb");
bs.ReleaseBuffer(len);
if (!pFileHandler)
return;
CFX_RetainPtr<IFX_SeekableStream> fileWrite =
MakeSeekableStream(pFileHandler);
CFX_ByteString content;
if (fileType == FXFA_SAVEAS_XML) {
content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n";
fileWrite->WriteBlock(content.c_str(), fileWrite->GetSize(),
content.GetLength());
m_pContext->GetXFADocView()->GetDoc()->SavePackage(XFA_HASHCODE_Data,
fileWrite, nullptr);
} else if (fileType == FXFA_SAVEAS_XDP) {
if (!m_pContext->GetPDFDoc())
return;
CPDF_Dictionary* pRoot = m_pContext->GetPDFDoc()->GetRoot();
if (!pRoot)
return;
CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
if (!pAcroForm)
return;
CPDF_Array* pArray = ToArray(pAcroForm->GetObjectFor("XFA"));
if (!pArray)
return;
int size = pArray->GetCount();
for (int i = 1; i < size; i += 2) {
CPDF_Object* pPDFObj = pArray->GetObjectAt(i);
CPDF_Object* pPrePDFObj = pArray->GetObjectAt(i - 1);
if (!pPrePDFObj->IsString())
continue;
if (!pPDFObj->IsReference())
continue;
CPDF_Stream* pStream = ToStream(pPDFObj->GetDirect());
if (!pStream)
continue;
if (pPrePDFObj->GetString() == "form") {
m_pContext->GetXFADocView()->GetDoc()->SavePackage(XFA_HASHCODE_Form,
fileWrite, nullptr);
continue;
}
if (pPrePDFObj->GetString() == "datasets") {
m_pContext->GetXFADocView()->GetDoc()->SavePackage(
XFA_HASHCODE_Datasets, fileWrite, nullptr);
continue;
}
if (i == size - 1) {
CFX_WideString wPath = CFX_WideString::FromUTF16LE(
reinterpret_cast<const unsigned short*>(bs.c_str()),
bs.GetLength() / sizeof(unsigned short));
CFX_ByteString bPath = wPath.UTF8Encode();
const char* szFormat =
"\n<pdf href=\"%s\" xmlns=\"http://ns.adobe.com/xdp/pdf/\"/>";
content.Format(szFormat, bPath.c_str());
fileWrite->WriteBlock(content.c_str(), fileWrite->GetSize(),
content.GetLength());
}
std::unique_ptr<CPDF_StreamAcc> pAcc(new CPDF_StreamAcc);
pAcc->LoadAllData(pStream);
fileWrite->WriteBlock(pAcc->GetData(), fileWrite->GetSize(),
pAcc->GetSize());
}
}
fileWrite->Flush();
}
CPDF_Stream* CPDF_Array::GetStreamAt(size_t i) const {
return ToStream(GetDirectObjectAt(i));
}
CPDF_Stream* CPDF_Dictionary::GetStream(const CFX_ByteStringC& key) const {
return ToStream(GetElementValue(key));
}
void CPDF_ContentParser::Continue(IFX_Pause* pPause) {
int steps = 0;
while (m_Status == ToBeContinued) {
if (m_InternalStage == STAGE_GETCONTENT) {
if (m_CurrentOffset == m_nStreams) {
if (!m_StreamArray.empty()) {
FX_SAFE_UINT32 safeSize = 0;
for (const auto& stream : m_StreamArray) {
safeSize += stream->GetSize();
safeSize += 1;
}
if (!safeSize.IsValid()) {
m_Status = Done;
return;
}
m_Size = safeSize.ValueOrDie();
m_pData = FX_Alloc(uint8_t, m_Size);
uint32_t pos = 0;
for (const auto& stream : m_StreamArray) {
FXSYS_memcpy(m_pData + pos, stream->GetData(), stream->GetSize());
pos += stream->GetSize();
m_pData[pos++] = ' ';
}
m_StreamArray.clear();
} else {
m_pData = (uint8_t*)m_pSingleStream->GetData();
m_Size = m_pSingleStream->GetSize();
}
m_InternalStage = STAGE_PARSE;
m_CurrentOffset = 0;
} else {
CPDF_Array* pContent =
m_pObjectHolder->m_pFormDict->GetArrayFor("Contents");
m_StreamArray[m_CurrentOffset].reset(new CPDF_StreamAcc);
CPDF_Stream* pStreamObj = ToStream(
pContent ? pContent->GetDirectObjectAt(m_CurrentOffset) : nullptr);
m_StreamArray[m_CurrentOffset]->LoadAllData(pStreamObj, false);
m_CurrentOffset++;
}
}
if (m_InternalStage == STAGE_PARSE) {
if (!m_pParser) {
m_pParser.reset(new CPDF_StreamContentParser(
m_pObjectHolder->m_pDocument, m_pObjectHolder->m_pPageResources,
nullptr, nullptr, m_pObjectHolder, m_pObjectHolder->m_pResources,
&m_pObjectHolder->m_BBox, nullptr, 0));
m_pParser->GetCurStates()->m_ColorState.SetDefault();
}
if (m_CurrentOffset >= m_Size) {
m_InternalStage = STAGE_CHECKCLIP;
} else {
m_CurrentOffset +=
m_pParser->Parse(m_pData + m_CurrentOffset,
m_Size - m_CurrentOffset, PARSE_STEP_LIMIT);
}
}
if (m_InternalStage == STAGE_CHECKCLIP) {
if (m_pType3Char) {
m_pType3Char->m_bColored = m_pParser->IsColored();
m_pType3Char->m_Width =
FXSYS_round(m_pParser->GetType3Data()[0] * 1000);
m_pType3Char->m_BBox.left =
FXSYS_round(m_pParser->GetType3Data()[2] * 1000);
m_pType3Char->m_BBox.bottom =
FXSYS_round(m_pParser->GetType3Data()[3] * 1000);
m_pType3Char->m_BBox.right =
FXSYS_round(m_pParser->GetType3Data()[4] * 1000);
m_pType3Char->m_BBox.top =
FXSYS_round(m_pParser->GetType3Data()[5] * 1000);
}
for (auto& pObj : *m_pObjectHolder->GetPageObjectList()) {
if (!pObj->m_ClipPath)
continue;
if (pObj->m_ClipPath.GetPathCount() != 1)
continue;
if (pObj->m_ClipPath.GetTextCount())
continue;
CPDF_Path ClipPath = pObj->m_ClipPath.GetPath(0);
if (!ClipPath.IsRect() || pObj->IsShading())
continue;
CFX_FloatRect old_rect(ClipPath.GetPointX(0), ClipPath.GetPointY(0),
ClipPath.GetPointX(2), ClipPath.GetPointY(2));
CFX_FloatRect obj_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right,
pObj->m_Top);
if (old_rect.Contains(obj_rect))
pObj->m_ClipPath.SetNull();
}
m_Status = Done;
return;
}
steps++;
if (pPause && pPause->NeedToPauseNow())
break;
}
}
void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern,
CFX_Matrix* pMatrix,
FX_RECT& clip_rect,
int alpha,
FX_BOOL bAlphaMode) {
CPDF_Function** pFuncs = pPattern->m_pFunctions;
int nFuncs = pPattern->m_nFuncs;
CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
if (!pColorSpace) {
return;
}
FX_ARGB background = 0;
if (!pPattern->m_bShadingObj &&
pPattern->m_pShadingObj->GetDict()->KeyExist("Background")) {
CPDF_Array* pBackColor =
pPattern->m_pShadingObj->GetDict()->GetArray("Background");
if (pBackColor &&
pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) {
CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
for (int i = 0; i < pColorSpace->CountComponents(); i++) {
comps[i] = pBackColor->GetNumber(i);
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pColorSpace->GetRGB(comps, R, G, B);
background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255),
(int32_t)(B * 255));
}
}
if (pDict->KeyExist("BBox")) {
CFX_FloatRect rect = pDict->GetRect("BBox");
rect.Transform(pMatrix);
clip_rect.Intersect(rect.GetOutterRect());
}
CPDF_DeviceBuffer buffer;
buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150);
CFX_Matrix FinalMatrix = *pMatrix;
FinalMatrix.Concat(*buffer.GetMatrix());
CFX_DIBitmap* pBitmap = buffer.GetBitmap();
if (!pBitmap->GetBuffer()) {
return;
}
pBitmap->Clear(background);
int fill_mode = m_Options.m_Flags;
switch (pPattern->m_ShadingType) {
case kInvalidShading:
case kMaxShading:
return;
case kFunctionBasedShading:
DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace,
alpha);
break;
case kAxialShading:
DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kRadialShading:
DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kFreeFormGouraudTriangleMeshShading: {
DrawFreeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, alpha);
} break;
case kLatticeFormGouraudTriangleMeshShading: {
DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs,
nFuncs, pColorSpace, alpha);
} break;
case kCoonsPatchMeshShading:
case kTensorProductPatchMeshShading: {
DrawCoonPatchMeshes(
pPattern->m_ShadingType == kTensorProductPatchMeshShading, pBitmap,
&FinalMatrix, ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, fill_mode, alpha);
} break;
}
if (bAlphaMode) {
pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha);
}
if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
}
buffer.OutputToDevice();
}
CPDF_Stream* CPDF_Array::GetStream(FX_DWORD i) const {
return ToStream(GetElementValue(i));
}
