you may wish to investigate the quartz blend modes, e.g. kCGBlendModeDifference might work for you.
On Sep 1, 2014, at 3:53 PM, Luc Van Bogaert <luc.van.boga...@me.com> wrote: > Hello, > > I'm trying to find a way to draw a grid (NSBezierPath 'lines') in a custom > nsview so that it is always visible, regardless of the underlying color. > I'm using a transparency layer to draw the grid, and I have tried various > NSCompositeOperation settings without succes. Is this at all possible using > the standard cocoa drawing features, or will I need OpenGL or some other > graphics library? > > Thanks > -- > Luc Van Bogaert > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/etaffel%40me.com > > This email sent to etaf...@me.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
