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2014/10/15 ¤U¤È 10:05:04
iphone Programming Glossary: cgimagegetbitmapinfoHow to change thin image to fat image in iPhone SDK? http://stackoverflow.com/questions/10186200/how-to-change-thin-image-to-fat-image-in-iphone-sdk CGImageGetBytesPerRow imageRef CGColorSpaceRef colorspace CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGDataProviderRef provider CGDataProviderCreateWithData NULL pixels data length NULL CGImageRef newImageRef CGImageCreate..
Resizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast..
UIImage - implementing an auto levels algorithm http://stackoverflow.com/questions/3278560/uiimage-implementing-an-auto-levels-algorithm origImage CGImageGetBitsPerPixel origImage CGImageGetBytesPerRow origImage CGImageGetColorSpace origImage CGImageGetBitmapInfo origImage CGImageGetDataProvider origImage decode YES CGImageGetRenderingIntent origImage Where whitePoint is..
layer.renderInContext doesn't take layer.mask into account? http://stackoverflow.com/questions/4896296/layer-renderincontext-doesnt-take-layer-mask-into-account CGContextRef context CGBitmapContextCreate nil cWidth cHeight bitsPerComponent bytesPerRow CGColorSpaceCreateDeviceRGB CGImageGetBitmapInfo image The location where you draw your image on the context is not always the same location you have in your UIView this..
iPhone - CGImageCreateWithImageInRect rotating some camera roll pictures http://stackoverflow.com/questions/5076617/iphone-cgimagecreatewithimageinrect-rotating-some-camera-roll-pictures toRect CGRect rect CGImageRef imageRef CGImageCreateWithImageInRect originalImage CGImage rect CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef CGContextRef bitmap CGBitmapContextCreate NULL rect.size.width..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload self.size.width self.size.height CGImageGetBitsPerComponent self.CGImage 0 CGImageGetColorSpace self.CGImage CGImageGetBitmapInfo self.CGImage CGContextConcatCTM ctx transform switch self.imageOrientation case UIImageOrientationLeft case UIImageOrientationLeftMirrored..
iPhone CGContextRef CGBitmapContextCreate unsupported parameter combination http://stackoverflow.com/questions/5545600/iphone-cgcontextref-cgbitmapcontextcreate-unsupported-parameter-combination newRect.size.width newRect.size.height CGImageGetBitsPerComponent imageRef 0 CGImageGetColorSpace imageRef CGImageGetBitmapInfo imageRef if bitmap nil return nil CGContextConcatCTM bitmap transform CGContextSetInterpolationQuality bitmap quality CGContextDrawImage..
Getting RGB pixel data from CGImage http://stackoverflow.com/questions/6073259/getting-rgb-pixel-data-from-cgimage cgimage size_t bpc CGImageGetBitsPerComponent cgimage size_t bytes_per_pixel bpp bpc CGBitmapInfo info CGImageGetBitmapInfo cgimage NSLog @ n @ n CGImageGetHeight d n CGImageGetWidth d n CGImageGetColorSpace @ n CGImageGetBitsPerPixel d n CGImageGetBitsPerComponent.. d n CGImageGetColorSpace @ n CGImageGetBitsPerPixel d n CGImageGetBitsPerComponent d n CGImageGetBytesPerRow d n CGImageGetBitmapInfo 0x .8X n kCGBitmapAlphaInfoMask s n kCGBitmapFloatComponents s n kCGBitmapByteOrderMask 0x .8X n kCGBitmapByteOrderDefault.. 0x4d08ff0 kCGColorSpaceDeviceRGB CGImageGetBitsPerPixel 32 CGImageGetBitsPerComponent 8 CGImageGetBytesPerRow 20 CGImageGetBitmapInfo 0x00000003 kCGBitmapAlphaInfoMask YES kCGBitmapFloatComponents NO kCGBitmapByteOrderMask NO kCGBitmapByteOrderDefault NO..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud CGImageGetBitsPerPixel originalImage CGImageGetBytesPerRow originalImage CGImageGetColorSpace originalImage CGImageGetBitmapInfo originalImage imageDataProvider CGImageGetDecode originalImage CGImageGetShouldInterpolate originalImage CGImageGetRenderingIntent..
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