Re: Clip area of a canvas...

On Friday 07 Feb 2003 5:38 pm, Alberto Narduzzi wrote:
> Hello...
>
> after a looong time reading, time has come for me to write something with
> Kylix. Wll, actually porting a project form Delphi 5 to Kylix 3 OE.
>
> Problem:
>
> under Windows I used to write something like the following, to set a
> clipping area on a tcanvas, so that nothing would be drawn outside the
> bounds:
>
> ClipRgn:=CreateRectRgn(FViewPortRect.Left, FViewPortRect.Top,
> FViewPortRect.Right+1, FViewPortRect.Bottom+1);
>
> SelectClipRgn(ImgScreen.Canvas.Handle, ClipRgn);
>
> but with Kylix such functions don't exist. So my question is: how do I
> "translate" the above code to gain the same result with Kylix? (provided I
> already tried to use some QTsomething... and QRegionH in place of HRGN with
> no results)


Use the SetClipRect method of TCanvas

Ian


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