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2014/10/15 ¤U¤È 10:05:53
iphone Programming Glossary: cwidthlayer.renderInContext doesn't take layer.mask into account? http://stackoverflow.com/questions/4896296/layer-renderincontext-doesnt-take-layer-mask-into-account This applies the mask correctly IBAction saveImage UIImage saver nil CGImageRef image imageView.image.CGImage size_t cWidth CGImageGetWidth image size_t cHeight CGImageGetHeight image size_t bitsPerComponent 8 size_t bytesPerRow 4 cWidth Now we.. cWidth CGImageGetWidth image size_t cHeight CGImageGetHeight image size_t bitsPerComponent 8 size_t bytesPerRow 4 cWidth Now we build a Context with those dimensions. CGContextRef context CGBitmapContextCreate nil cWidth cHeight bitsPerComponent.. bytesPerRow 4 cWidth Now we build a Context with those dimensions. CGContextRef context CGBitmapContextCreate nil cWidth cHeight bitsPerComponent bytesPerRow CGColorSpaceCreateDeviceRGB CGImageGetBitmapInfo image The location where you draw..
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