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Article #17079: drawing transparent text onto a TBitmap

 Question and Answer Database
FAQ2079D.txt drawing transparent text onto a TBitmap
Category :VCL
Platform :All
Product :All 32 bit
Question:
How can I draw transparent text on a TBitmap?
Answer:
The following example demonstrates drawing transparent text on
the canvas of a TBitmap.
Example:
procedure TForm1.Button1Click(Sender: TObject);
var
OldBkMode : integer;
begin
Image1.Picture.Bitmap.Canvas.Font.Color := clBlue;
OldBkMode := SetBkMode(Image1.Picture.Bitmap.Canvas.Handle,
TRANSPARENT);
Image1.Picture.Bitmap.Canvas.TextOut(10, 10, 'Hello');
SetBkMode(Image1.Picture.Bitmap.Canvas.Handle,
OldBkMode);
end;
7/16/98 4:31:28 PM

Last Modified: 01-SEP-99