本文整理汇总了C++中CPDF_Stream::MakeReference方法的典型用法代码示例。如果您正苦于以下问题：C++ CPDF_Stream::MakeReference方法的具体用法？C++ CPDF_Stream::MakeReference怎么用？C++ CPDF_Stream::MakeReference使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CPDF_Stream的用法示例。
在下文中一共展示了CPDF_Stream::MakeReference方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CPDFPageFromFPDFPage
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_InsertClipPath(FPDF_PAGE page,
FPDF_CLIPPATH clipPath) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage)
return;
CPDF_Dictionary* pPageDict = pPage->GetDict();
CPDF_Object* pContentObj = GetPageContent(pPageDict);
if (!pContentObj)
return;
std::ostringstream strClip;
CPDF_ClipPath* pClipPath = CPDFClipPathFromFPDFClipPath(clipPath);
for (size_t i = 0; i < pClipPath->GetPathCount(); ++i) {
CPDF_Path path = pClipPath->GetPath(i);
if (path.GetPoints().empty()) {
// Empty clipping (totally clipped out)
strClip << "0 0 m W n ";
} else {
OutputPath(strClip, path);
if (pClipPath->GetClipType(i) == FXFILL_WINDING)
strClip << "W n\n";
else
strClip << "W* n\n";
}
}
CPDF_Document* pDoc = pPage->GetDocument();
if (!pDoc)
return;
CPDF_Stream* pStream =
pDoc->NewIndirect<CPDF_Stream>(nullptr, 0, pDoc->New<CPDF_Dictionary>());
pStream->SetDataFromStringstream(&strClip);
if (CPDF_Array* pArray = ToArray(pContentObj)) {
pArray->InsertAt(0, pStream->MakeReference(pDoc));
} else if (pContentObj->IsStream() && !pContentObj->IsInline()) {
CPDF_Array* pContentArray = pDoc->NewIndirect<CPDF_Array>();
pContentArray->Add(pStream->MakeReference(pDoc));
pContentArray->Add(pContentObj->MakeReference(pDoc));
pPageDict->SetFor(pdfium::page_object::kContents,
pContentArray->MakeReference(pDoc));
}
}示例2: locker
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPage_TransFormWithClip(FPDF_PAGE page,
const FS_MATRIX* matrix,
const FS_RECTF* clipRect) {
if (!matrix && !clipRect)
return false;
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage)
return false;
std::ostringstream textBuf;
textBuf << "q ";
if (clipRect) {
CFX_FloatRect rect = CFXFloatRectFromFSRECTF(*clipRect);
rect.Normalize();
textBuf << ByteString::Format("%f %f %f %f re W* n ", rect.left,
rect.bottom, rect.Width(), rect.Height());
}
if (matrix) {
textBuf << ByteString::Format("%f %f %f %f %f %f cm ", matrix->a, matrix->b,
matrix->c, matrix->d, matrix->e, matrix->f);
}
CPDF_Dictionary* pPageDict = pPage->GetDict();
CPDF_Object* pContentObj = GetPageContent(pPageDict);
if (!pContentObj)
return false;
CPDF_Document* pDoc = pPage->GetDocument();
if (!pDoc)
return false;
CPDF_Stream* pStream =
pDoc->NewIndirect<CPDF_Stream>(nullptr, 0, pDoc->New<CPDF_Dictionary>());
pStream->SetDataFromStringstream(&textBuf);
CPDF_Stream* pEndStream =
pDoc->NewIndirect<CPDF_Stream>(nullptr, 0, pDoc->New<CPDF_Dictionary>());
pEndStream->SetData(ByteStringView(" Q").span());
if (CPDF_Array* pContentArray = ToArray(pContentObj)) {
pContentArray->InsertAt(0, pStream->MakeReference(pDoc));
pContentArray->Add(pEndStream->MakeReference(pDoc));
} else if (pContentObj->IsStream() && !pContentObj->IsInline()) {
pContentArray = pDoc->NewIndirect<CPDF_Array>();
pContentArray->Add(pStream->MakeReference(pDoc));
pContentArray->Add(pContentObj->MakeReference(pDoc));
pContentArray->Add(pEndStream->MakeReference(pDoc));
pPageDict->SetFor(pdfium::page_object::kContents,
pContentArray->MakeReference(pDoc));
}
// Need to transform the patterns as well.
CPDF_Dictionary* pRes =
pPageDict->GetDictFor(pdfium::page_object::kResources);
if (!pRes)
return true;
CPDF_Dictionary* pPatternDict = pRes->GetDictFor("Pattern");
if (!pPatternDict)
return true;
CPDF_DictionaryLocker locker(pPatternDict);
for (const auto& it : locker) {
CPDF_Object* pObj = it.second.get();
if (pObj->IsReference())
pObj = pObj->GetDirect();
CPDF_Dictionary* pDict = nullptr;
if (pObj->IsDictionary())
pDict = pObj->AsDictionary();
else if (CPDF_Stream* pObjStream = pObj->AsStream())
pDict = pObjStream->GetDict();
else
continue;
if (matrix) {
CFX_Matrix m = CFXMatrixFromFSMatrix(*matrix);
pDict->SetMatrixFor("Matrix", pDict->GetMatrixFor("Matrix") * m);
}
}
return true;
}