AHA Interesting.. I was thinking something like that.. but in lower level using Quartz directly adn the CGContextRef and the transformations.
I will give it a try ... Thanks :D Gustavo On Jan 3, 2010, at 12:29 PM, Heinrich Giesen wrote: > > On 03.01.2010, at 00:45, Rob Keniger wrote: > >> >> It will probably be easier to create an NSAffineTransform and translate the >> whole context by 0.5px, so all drawing is offset without you needing to >> fiddle with individual values. > > Just a hint: > NSBezierPath has a method which allows to use NSAffineTransform for this even > outside a rendering/drawing process: > > Description of transformUsingAffineTransform, a method of NSBezierPath: >> Transforms all points in the receiver using the specified transform. >> >> - (void)transformUsingAffineTransform:(NSAffineTransform *)aTransform >> > Example: > > NSBezierPath *bPath = // create a path > // construct the complete path > NSAffineTransform *transform = [NSAffineTransform transform]; > // move all coordinates to the center of the pixels > [transform translateXBy: 0.5 yBy: 0.5 ]; > [bPath transformUsingAffineTransform:transform]; > // bPath is now ready for drawing > > > -- > Heinrich Giesen > gies...@acm.org > > _______________________________________________ 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
