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2014/10/15 ¤U¤È 10:13:04

iphone Programming Glossary: quartzimage

How to grab YUV formatted video from the camera, display it and process it

http://stackoverflow.com/questions/4205191/how-to-grab-yuv-formatted-video-from-the-camera-display-it-and-process-it

kCGImageAlphaPremultipliedFirst Create a Quartz image from the pixel data in the bitmap graphics context CGImageRef quartzImage CGBitmapContextCreateImage context Unlock the pixel buffer CVPixelBufferUnlockBaseAddress imageBuffer 0 Free up the context.. CGColorSpaceRelease colorSpace Create an image object from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image iphone objective c cocoa touch uikit ios4 share improve.. from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image iphone objective c cocoa touch uikit ios4 share improve this question Answering my own question. this..

Rotate CGImage taken from video frame

http://stackoverflow.com/questions/4355070/rotate-cgimage-taken-from-video-frame

height width 8 bytesPerRow colorSpace kCGBitmapByteOrder32Little kCGImageAlphaPremultipliedFirst CGImageRef quartzImage CGBitmapContextCreateImage context CVPixelBufferUnlockBaseAddress imageBuffer 0 CGContextRelease context CGColorSpaceRelease.. imageBuffer 0 CGContextRelease context CGColorSpaceRelease colorSpace UIImage image UIImage imageWithCGImage quartzImage CGImageRelease quartzImage return image iphone core graphics quartz 2d avfoundation share improve this question Depends.. context CGColorSpaceRelease colorSpace UIImage image UIImage imageWithCGImage quartzImage CGImageRelease quartzImage return image iphone core graphics quartz 2d avfoundation share improve this question Depends on whether you are using..

kCVPixelFormatType_420YpCbCr8BiPlanarFullRange frame to UIImage conversion

http://stackoverflow.com/questions/8838481/kcvpixelformattype-420ypcbcr8biplanarfullrange-frame-to-uiimage-conversion

kCGImageAlphaPremultipliedFirst Create a Quartz image from the pixel data in the bitmap graphics context CGImageRef quartzImage CGBitmapContextCreateImage context Unlock the pixel buffer CVPixelBufferUnlockBaseAddress imageBuffer 0 Free up the context.. CGColorSpaceRelease colorSpace Create an image object from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image Thank you iphone objective c ios avfoundation share.. from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image Thank you iphone objective c ios avfoundation share improve this question I'm not aware of any accessible..

ios capturing image using AVFramework

http://stackoverflow.com/questions/8924299/ios-capturing-image-using-avframework

kCGImageAlphaPremultipliedFirst Create a Quartz image from the pixel data in the bitmap graphics context CGImageRef quartzImage CGBitmapContextCreateImage context Unlock the pixel buffer CVPixelBufferUnlockBaseAddress imageBuffer 0 Free up the context.. CGColorSpaceRelease colorSpace Create an image object from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image void setSession AVCaptureSession session NSLog @ setting.. from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image void setSession AVCaptureSession session NSLog @ setting session... self.captureSession session Capturing code..

AVCaptureSession specify resolution and quality of captured images obj-c iphone app

http://stackoverflow.com/questions/9312832/avcapturesession-specify-resolution-and-quality-of-captured-images-obj-c-iphone

kCGImageAlphaPremultipliedFirst Create a Quartz image from the pixel data in the bitmap graphics context CGImageRef quartzImage CGBitmapContextCreateImage context Unlock the pixel buffer CVPixelBufferUnlockBaseAddress imageBuffer 0 Free up the context.. CGColorSpaceRelease colorSpace Create an image object from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image Everything is quite standard. But where and what should.. from the Quartz image UIImage image UIImage imageWithCGImage quartzImage Release the Quartz image CGImageRelease quartzImage return image Everything is quite standard. But where and what should I change to specify the resolution of captured image..