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Date Posted: 11:19:45 01/09/02 Wed
Author: Rich Haselbarth
Subject: Re: How to change the palette of a 256 color TBitmapGraphic?

>Hi,
> I'm trying to change the palette of a 256 color
>TBitmapGraphic like this:
>var
> Pal: array[0..255] of TPaletteEntry;
> Image: TImage;
>begin
> Image := TImage.Create;
> Image.Picture.Graphic := TBitmapGraphic.Create;
> for I := 0 to 255 do
> begin
> Pal[i].peFlags:=PC_RESERVED;
> Pal[i].peRed:=Random(255);
> Pal[i].peGreen:=Random(255);
> Pal[i].peBlue:=Random(255);
> end;
> if
>SetPaletteEntries(TBitmapGraphic(image.picture.Graphic)
>.PaletteHandle, 0, 256, Pal) <> 0 then
>
>RealizePalette(TBitmapGraphic(image.picture.Graphic).DC
>);
>
> but the image will not change at all! What is the
>problem?

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