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;