[haiku-development] Re: Disable BView antialiasing
- From: pete.goodeve@xxxxxxxxxxxx
- To: haiku-development@xxxxxxxxxxxxx
- Date: Tue, 22 Sep 2009 15:37:08 -0700
On Tue, Sep 22, 2009 at 12:34:18PM +0200, Stephan Assmus wrote:
>
> On 2009-09-22 at 10:33:34 [+0200], Caitlin Shaw <rogueeve@xxxxxxxxxxxxx>
> wrote:
> > I am porting an old app over from Windows, and during one part it is
> > supposed to draw a line and then erase it by drawing over it in the
> > background color. This doesn't work under Haiku because non-straight
> > calls to StrokeLine are antialiased, so the line is not completely
> > erased.
> > [....] I know how to disable _font_ antialiasing, but how to
> > disable it for other sorts of drawing?
>
> Uh, I am afraid that's not currently possible. The code in
> src/servers/app/drawing/Painter/Painter.cpp would need to be adopted to
> support non-anti-aliased drawing.
This is a major change from BeOS, then? It certainly seems to explain
why my 'rubber-banding' in MusicWeaver no longer works. (:-/) (I used
B_OP_INVERT, so I could just draw over an existing line to erase it.)
What would be the preferred method to draw a rubber-band line in Haiku?
-- Pete --
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