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Date Posted: 07:51:53 10/17/00 Tue
Author: Michel
Subject: Re: TDibGraphicPrinter
In reply to: Thomas Munk 's message, "TDibGraphicPrinter" on 03:23:47 10/17/00 Tue


Dear Thomas,

If you trace in the debugger you will notice that Printer.Canvas.StretchDraw ends up calling

TDibGraphic.Draw which uses StretchDIBits.

Best regards,

Michel

> Hello
>
> I have not used TDibGraphicPrinter yet, but I've read
> the source and I have a question.
>
> The Print method uses StretchDraw to send the image to
> a printer. I have seen a lot of warnings about using
> StretchDraw on printer canvases because it does not
> work correctly with all printers (drivers). See the
> links at the bottom. The suggestions are that API call
> StretchDIBits should be used.
>
> Could this be a possible problem with
> TDibGraphicPrinter when deploying a program to many
> different users with many different unknown printers?
>
> Best regards,
> Thomas Munk
> Denmark
>
>
> <a rel=nofollow target=_blank href="http://www.efg2.com/Lab/Library/Delphi/Printing/Default">http://www.efg2.com/Lab/Library/Delphi/Printing/Default</a>
> .htm
> <a rel=nofollow target=_blank href="http://support.microsoft.com/support/kb/articles/q195/8">http://support.microsoft.com/support/kb/articles/q195/8</a>
> /30.asp
> <a rel=nofollow target=_blank href="http://www.efg2.com/Lab/OtherProjects/PrinterDemo1.htm">http://www.efg2.com/Lab/OtherProjects/PrinterDemo1.htm</a>

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