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2014/10/15 ¤U¤È 10:04:35
iphone Programming Glossary: bitmapinfoResizing 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.. CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation.. CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation..
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.. CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation.. CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation..
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 UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast.. 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 UIImageOrientationDown.. CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate..
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 imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast.. 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 UIImageOrientationDown.. CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate..
How 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 size_t bytesPerRow CGImageGetBytesPerRow imageRef CGColorSpaceRef colorspace CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGDataProviderRef provider CGDataProviderCreateWithData NULL pixels data length NULL CGImageRef.. length NULL CGImageRef newImageRef CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorspace bitmapInfo provider NULL false kCGRenderingIntentDefault the modified image UIImage newImage UIImage imageWithCGImage newImageRef imgView.image..
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 targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone.. CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp.. imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone.. CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp.. imageRef CGColorSpaceRef colorSpaceInfo CGImageGetColorSpace imageRef if bitmapInfo kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation..
Image processing Glamour filter in iphone http://stackoverflow.com/questions/3549396/image-processing-glamour-filter-in-iphone 8 int bitsPerPixel 32 int bytesPerRow 4 width CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate.. CGImageRef imageRef CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider2 NULL NO renderingIntent CGColorSpaceRelease colorSpaceRef YOU CAN RELEASE THIS NOW CGDataProviderRelease provider2..
Creating UIImage from raw RGBA data http://stackoverflow.com/questions/4545237/creating-uiimage-from-raw-rgba-data 8 int bitsPerPixel 32 int bytesPerRow 4 width CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate.. kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate width height 8 32 4 width colorSpaceRef bitmapInfo provider NULL NO renderingIntent I get the current dimensions displayed here NSLog @ width i height i CGImageGetWidth..
iPhone CGContextRef CGBitmapContextCreate unsupported parameter combination http://stackoverflow.com/questions/5545600/iphone-cgcontextref-cgbitmapcontextcreate-unsupported-parameter-combination
How to make one color transparent on a UIImage? http://stackoverflow.com/questions/633722/how-to-make-one-color-transparent-on-a-uiimage mWidth mHeight 4 void bufferdata malloc count CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGContextRef cgctx CGBitmapContextCreate.. bufferdata mWidth mHeight 4 NULL CGImageRef savedimageref CGImageCreate mWidth mHeight 8 32 mWidth 4 colorSpaceRef bitmapInfo provider NULL NO renderingIntent CFRelease colorSpaceRef return savedimageref The above code is tested and I changed the..
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