Excellent, works perfectly! Thanks a lot,
Bernard. ps. for future reference, there is just a tiny typo: currentContent should read currentContext... On 23 Jul 2010, at 15:50, Steve Christensen wrote: > On Jul 23, 2010, at 3:53 AM, Bernard Knaepen wrote: > >> I need to draw an NSAttributedString over an image. The characters of the >> string might have different sizes, fonts and colors. >> >> I am currently using the drawAtPoint method but I would like to specify a >> global opacity (transparency) to draw the string. Is there a way to do this >> or should I scan the whole string and make the changes to each character >> color individually by using the colorWithAlphaComponent method? > > Something like this, perhaps: > > NSGraphicsContext* nsContext = [NSGraphicsContext currentContent]; > CGContextRef cgContext = (CGContextRef)[nsContext graphicsPort]; > > [nsContext saveGraphicsState]; > [nsContext setCompositingOperation:NSCompositeSourceOver]; > CGContextSetAlpha(cgContext, 0.5); > > [theString drawAtPoint:thePoint]; > > [nsContext restoreGraphicsState]; > _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
