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Write stamp opacity to AP

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This commit is contained in:
Svetlana Kulikova
2026-03-25 13:28:44 +03:00
parent 88626378a7
commit ea28ff69a9
2 changed files with 25 additions and 0 deletions
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23
PdfFile/SrcWriter/Annotation.cpp
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@ -1283,6 +1283,29 @@ namespace PdfWriter
CStampAnnotation::CStampAnnotation(CXref* pXref) : CMarkupAnnotation(pXref, AnnotStamp), m_pAPStream(NULL)
{
}
CAnnotAppearanceObject* CStampAnnotation::StartAP(int nRotate)
{
CAnnotAppearanceObject* pNormal = CAnnotation::StartAP(nRotate);
CResourcesDict* pResources = dynamic_cast<CResourcesDict*>(pNormal->Get("Resources"));
double dAlpha = 1;
CRealObject* pCA = dynamic_cast<CRealObject*>(Get("CA"));
if (pCA)
dAlpha = pCA->Get();
if (dAlpha != 1)
{
CExtGrState* pExtGrState = m_pDocument->GetExtGState(dAlpha, dAlpha);
const char* sExtGrStateName = pResources->GetExtGrStateName(pExtGrState);
if (sExtGrStateName)
{
CStream* pStream = pNormal->GetStream();
pStream->WriteEscapeName(sExtGrStateName);
pStream->WriteStr(" gs\012");
}
}
return pNormal;
}
void CStampAnnotation::SetRotate(double nRotate)
{
Add("Rotate", nRotate);