[fpc-pascal] TFPCanvasDrawer and anti-alias.

[Leonardo M. Ramé]

>________________________________
> From: silvioprog <silvioprog at gmail.com>
>To: FPC-Pascal users discussions <fpc-pascal at lists.freepascal.org> 
>Sent: Monday, January 28, 2013 8:32 PM
>Subject: Re: [fpc-pascal] TFPCanvasDrawer and anti-alias.
> 
>
>2013/1/28 Michael Van Canneyt <michael at freepascal.org>
>On Mon, 28 Jan 2013, silvioprog wrote:
>>
>>Hello,
>>>TFPCanvasDrawer provides  anti-alias support?
>>>
>>
Not for lines.
>
>
>Sniff. :'(
>
>
>I'm trying to generate charts in my CGI apps:
>
>
>http://silvioprog.com.br/cgi-bin/cgi1
>
>
>And PDF with PowerPDF (I'll send a patch soon to remove some LCL dependences):
>
>
>http://silvioprog.com.br/cgi-bin/cgi2 (Clique "aqui" = Click "here")
> 
>For texts, it should be able to add it.
>>
>Yes:
>
>
>procedure TFPCanvasDrawer.EnsureFont;
>begin
>  {$IFDEF USE_FTFONT}
>  if FFont <> nil then exit;
>  FFont := TFreeTypeFont.Create;
>  FFont.Resolution := 72;
>  FFont.AntiAliased := False; <<<< I'll set it for True. It would be interesting if there was a property to handle it.:)
>  FCanvas.Font := FFont;
>  {$ENDIF}
>end;
>
>
>Thanks for the fast reply man! :)
>
>
>
>ps. I'm very, very happy with the Free Pascal. Now, I'm creating fine my PDFs and charts. I will make one layer to facilitate the use of some classes of PowerPDF and TAChart.
>
>


Silvio, TAchart has a BGRABitmap backend mode, it creates great anti-aliased graphics (both lines and text). I didn't tested on CGI without linking against graphic libraries, I think it relies on TCanvas, so maybe it won't work, but it worth a try.


Leonardo M. Ramé
http://leonardorame.blogspot.com