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Date Posted: 07:01:03 03/27/00 Mon
Author: Michel
Subject: Re: Have TBitmap, want TBitmapGraphic (and others)
In reply to: Jarle Stabell 's message, "Have TBitmap, want TBitmapGraphic (and others)" on 17:18:10 03/26/00 Sun

Dear Jarle,

I have a feeling this is palette related. Is your source bitmap 16 or 256 colors? I would appreciate if you could try this,

l_bitmap.PixelFormat := pf24bit;

Just before,


and let me know if that still has the same behavior.

Best regards,


> Hi,
> I'm an Envision newbie (using Envision files dated
> 1999.08.22). I have TBitmaps, which I want to
> manipulate using Envision. My problem is that
> TMyGraphic.Assign(myBitmap) results in a graphic with
> different colors from the original (T)bitmap. The
> colors are ok if I load the bitmap with
> TBitmapGraphic, but I'd like to have the initial
> bitmap in a TBitmap, in which case Envision (or my
> usage of it) gets into trouble.
> procedure TForm1.btnConvertImageClick(Sender: TObject);
> var
> l_BmpGraphic : TBitmapGraphic;
> l_bitmap: TBitmap;
> begin
> l_bitmap:=TBitmap.Create;
> l_BmpGraphic := TBitmapGraphic.Create;
> try
> l_bitmap.LoadFromFile(txtSourceImageFileName.Text);
> l_bmpGraphic.Assign(l_bitmap);
> image1.Picture.Assign(l_bmpGraphic);
> //l_bmpGraphic has wrong colors
> //....
> finally
> l_BmpGraphic.Free;
> l_bitmap.Free;
> end;
> end;
> Best regards,
> Jarle Stabell
> Digital Logikk AS

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