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2014/10/15 ¤U¤È 10:14:45
iphone Programming Glossary: targetsizeResizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage need to both rotate the image and swap width height. Here is some code to do this UIImage imageByScalingToSize CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef.. is some code to do this UIImage imageByScalingToSize CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo.. CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees CCW using just core graphics functions while preserving the current size UIImage reverseImageByScalingToSize CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width.. UIImage reverseImageByScalingToSize CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo.. targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage CGImage CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGColorSpaceRef colorSpaceInfo..
http://stackoverflow.com/questions/262156/uiimage-rounded-corners is that resizedImage is always nil and I don't find the error... UIImage imageByScalingProportionallyToSize CGSize targetSize CGSize imageSize self size float width imageSize.width float height imageSize.height scaleFactor will be the fraction that.. is drawn at once we take into account the ideal of maintaining proportions float scaleFactor 0.0 float scaledWidth targetSize.width float scaledHeight targetSize.height CGPoint thumbnailPoint CGPointMake 0 0 since not all images are square we want.. the ideal of maintaining proportions float scaleFactor 0.0 float scaledWidth targetSize.width float scaledHeight targetSize.height CGPoint thumbnailPoint CGPointMake 0 0 since not all images are square we want to scale proportionately. To do this..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop UIImage Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height.. CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height imageSize.height CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGFloat scaleFactor 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight.. width imageSize.width CGFloat height imageSize.height CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGFloat scaleFactor 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint..
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