2014/10/15 下午 10:09:22

iphone Programming Glossary: framewidth

iOS Paper fold (origami / accordion) effect animation, with manual control

http://stackoverflow.com/questions/11157888/ios-paper-fold-origami-accordion-effect-animation-with-manual-control

transform view.layer addSublayer origamiLayer setup rotation angle double startAngle CGFloat frameWidth view.bounds.size.width CGFloat frameHeight view.bounds.size.height CGFloat foldWidth frameWidth folds 2 CALayer prevLayer.. startAngle CGFloat frameWidth view.bounds.size.width CGFloat frameHeight view.bounds.size.height CGFloat foldWidth frameWidth folds 2 CALayer prevLayer origamiLayer for int b 0 b folds 2 b CGRect imageFrame if direction XYOrigamiDirectionFromRight.. if b 0 startAngle M_PI_2 else if b 2 startAngle M_PI else startAngle M_PI imageFrame CGRectMake frameWidth b 1 foldWidth 0 foldWidth frameHeight else if b 0 startAngle M_PI_2 else if b 2 startAngle M_PI else startAngle M_PI ..

iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto

http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio

the raw image data is passed in ... glActiveTexture GL_TEXTURE0 glBindTexture GL_TEXTURE_2D videoFrameTexture_ int frameWidth CVPixelBufferGetWidth pixelBuffer int frameHeight CVPixelBufferGetHeight pixelBuffer size_t bytesPerRow extraBytes bytesPerRow.. pixelBuffer size_t bytesPerRow extraBytes bytesPerRow CVPixelBufferGetBytesPerRow pixelBuffer extraBytes bytesPerRow frameWidth 4 GLubyte pixelBufferAddr CVPixelBufferGetBaseAddress pixelBuffer if captureSession sessionPreset isEqualToString @ AVCaptureSessionPresetPhoto.. if captureSession sessionPreset isEqualToString @ AVCaptureSessionPresetPhoto glTexImage2D GL_TEXTURE_2D 0 GL_RGBA frameWidth frameHeight 0 GL_BGRA GL_UNSIGNED_BYTE NULL for int h 0 h frameHeight h GLubyte row pixelBufferAddr h frameWidth 4 extraBytes..

What are the advantages and disadvantages of using ARC? [closed]

http://stackoverflow.com/questions/7888568/what-are-the-advantages-and-disadvantages-of-using-arc