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2014/10/15 ¤U¤È 10:10:11
iphone Programming Glossary: imagerefResizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage this to resize it UIImage resizeImage UIImage anImage width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone.. int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate.. CGContextRef bitmap CGBitmapContextCreate NULL width height CGImageGetBitsPerComponent imageRef 4 width CGImageGetColorSpace imageRef alphaInfo CGContextDrawImage bitmap CGRectMake 0 0 width height..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo.. CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo.. bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation..
http://stackoverflow.com/questions/158914/cropping-a-uiimage CGImageRef CGRect will help you out. Here's a short example using it CGImageRef imageRef CGImageCreateWithImageInRect largeImage CGImage cropRect or use the UIImage wherever you like UIImageView..
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 400 height 533 myImageView setImage myResizedImg I am using this to resize it UIImage resizeImage UIImage anImage width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate.. it UIImage resizeImage UIImage anImage width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate NULL width height CGImageGetBitsPerComponent imageRef.. if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate NULL width height CGImageGetBitsPerComponent imageRef 4 width CGImageGetColorSpace imageRef alphaInfo CGContextDrawImage bitmap CGRectMake 0 0 width height imageRef CGImageRef ref CGBitmapContextCreateImage bitmap..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone.. targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation.. CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation..
http://stackoverflow.com/questions/158914/cropping-a-uiimage that you can use to get the desired results CGImageCreateWithImageInRect CGImageRef CGRect will help you out. Here's a short example using it CGImageRef imageRef CGImageCreateWithImageInRect largeImage CGImage cropRect or use the UIImage wherever you like UIImageView setImage UIImage imageWithCGImage imageRef CGImageRelease..
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 I am using this to resize it UIImage resizeImage UIImage anImage width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast.. width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo alphaInfo CGImageGetAlphaInfo imageRef if alphaInfo kCGImageAlphaNone alphaInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate NULL width.. kCGImageAlphaNoneSkipLast CGContextRef bitmap CGBitmapContextCreate NULL width height CGImageGetBitsPerComponent imageRef 4 width CGImageGetColorSpace imageRef alphaInfo CGContextDrawImage bitmap CGRectMake 0 0 width height imageRef CGImageRef..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace.. targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast.. CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation..
http://stackoverflow.com/questions/158914/cropping-a-uiimage results CGImageCreateWithImageInRect CGImageRef CGRect will help you out. Here's a short example using it CGImageRef imageRef CGImageCreateWithImageInRect largeImage CGImage cropRect or use the UIImage wherever you like UIImageView setImage UIImage..
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