[lazarus] Canvas.Stretchdraw

[Mattias Gaertner]

On Mon, 25 Aug 2003 17:56:14 -0500
Tony Maro <tony at maro.net> wrote:

> Did something change to make Canvas.Stretchdraw run extremely slow?
> 
> I hadn't updated Lazarus in a while, but now that I have, my call to 
> Canvas.Stretchdraw requires about 8-10 seconds to complete for a large 
> image.  Previously it only took about 3.  I'm drawing my graphs at 2x 
> size and the stretching them down to display - effectively giving simple 
> antialiasing.
> 
> Or, is there a better way to effectively get antialiasing on my graph 
> controls?  When I researched it online, everyone suggested doing exactly 
> what I'm doing, but that was in Delphi.

There were some changes for clipping and TBitmap streaming, but that should
not be relevant.
Can you send me an example?


Mattias