Re: Transparency and line painting

2009-12-01 Thread Regis St-Gelais
"Luc Le Blanc" a écrit dans le message de news: 188...@palm-dev-forum... > Regis St-Gelais wrote: > >> WinDrawOperation maybe ?? > > I tried winOverlay, and it makes no difference. I would have to be > able to draw in transparent color over map features other than the > white or black background

Re: Transparency and line painting

2009-12-01 Thread Luc Le Blanc
Regis St-Gelais wrote: > WinDrawOperation maybe ?? I tried winOverlay, and it makes no difference. I would have to be able to draw in transparent color over map features other than the white or black background. I fear to have to write my own WinPaintLine checking every pixel underneath... Luc

Re: Transparency and line painting

2009-12-01 Thread Regis St-Gelais
"Luc Le Blanc" a écrit dans le message de news: 188...@palm-dev-forum... >I display map features over a user-selected white or black > background. I sometimes have to do some filling that can happen > to overlap already drawn features (by filling triangles with > WinPaintLine.) Is there a way to

Transparency and line painting

2009-11-28 Thread Luc Le Blanc
I display map features over a user-selected white or black background. I sometimes have to do some filling that can happen to overlap already drawn features (by filling triangles with WinPaintLine.) Is there a way to avoid painting over already drawn features by only allowing this painting over the