Hello everyone,
Is itpossible to add .png image with transparency background on PDF? I'm trying
thefollowing code without success:
void__fastcall TWorkerThread::LCreateSignImg(TLitePDF *pLpdf, String
pImage,unsigned int pSigIndex, int pWidth, int pHeight)
{
Graphics::TCanvas *canvas = newGraphics::TCanvas();
if (!canvas)throw(Exception("Error: Low memory or something went
wrong while creatingcanvas."));
HDC hdc = NULL;
hdc =pLpdf->AddResource(pLpdf->MMToUnit(pWidth),
pLpdf->MMToUnit(pHeight),pWidth*10, pHeight*10, LitePDFDrawFlag_None);
canvas->Handle = hdc;
TPicture *xPicture = newTPicture();
xPicture->LoadFromFile(pImage);
canvas->StretchDraw(Rect(0, 0,pWidth*10, pHeight*10),
xPicture->Graphic); //BrushBmp/PNG
pLpdf->SetSignatureAppearance(pSigIndex,LitePDFAppearance_Normal,
pLpdf->FinishResource(hdc), 0, 0);
}
Maybe PdfPainterobject could help to achieved it?
Kind regards,
Francisco
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