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 Le Blanc > Luc Le Blanc <llebl...@cam.org> 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 avoid painting over already >> drawn features by only allowing this painting over the >> background color? >> I read about transparency, but it seems to apply only to bitmaps, >> and it's not clear how to use it. Alas, my PalmOS Bible is of no >> help for this one. >> >> >> Luc Le Blanc >> http://www.speleo.qc.ca/Auriga -- For information on using the ACCESS Developer Forums, or to unsubscribe, please see http://www.access-company.com/developers/forums/