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Questions tagged quartz-2d

3 questions

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10
votes
5
answers

Mac OS X: Drawing into an offscreen NSGraphicsContext using CGContextRef C functions has no effect. Why?

objective-c macos cocoa core-graphics quartz-2d
asked 2012-05-16T22:19:09.293
17
votes
2
answers

How do I change a partially transparent image's color in iOS?

ios uiimage quartz-2d retina-display
asked 2011-03-24T17:38:30.447
55
votes
12
answers

Curve text on existing circle

iphone cocoa-touch math quartz-graphics quartz-2d
asked 2010-10-01T17:32:23.057