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Date Posted: 07:37:12 11/14/00 Tue
Author: Michel
Subject: Re: How can I save contents of printer DC to Bitmap file
In reply to: Alex 's message, "Re: How can I save contents of printer DC to Bitmap file" on 04:19:10 11/14/00 Tue

Hi Alex,

TPrinter has a Canvas property so you can transfer the canvas of Printer to the canvas of a TJpegGraphic. If I got the parameters right it should look like:

JpegGraphic := TJpegGraphic.Create.


JpegGraphic.Canvas.CopyRect( DestRect, Printer.Canvas, SourceRect);

Best regards,



> > I captured a screen one screen using
> > hdc = GetDC(DeskHwnd);//change
> > hdcMem = CreateCompatibleDC(hdc);
> > hBitmap = CreateCompatibleBitmap(hdc, fwidth,
> fheight);
> > SelectObject(hdcMem, hBitmap);
> > BitBlt(hdcMem, 0, 0, fwidth,
> > fheight,hdc,rect.left,rect.top,SRCCOPY);
> >
> > Now the captured screen is in Device context memeory
> >
> > Please help me how to save this screen from Device
> > context
> > as jpeg file
> >
> > Thank you
> > Hemanth

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