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2014/10/15 ¤U¤È 10:13:39
iphone Programming Glossary: scaledimageRetrieving images to iphone app through XML http://stackoverflow.com/questions/1397649/retrieving-images-to-iphone-app-through-xml . When sending to the server... NSLog @ Compressing Image JPEG 80 NSData imgData UIImageJPEGRepresentation scaledImage 0.8f NSString b64String imgData base64Encoding My b64String variable now has a base64 encoded string representation of my..
drawing UIImage inside a CGMutablePath http://stackoverflow.com/questions/14249304/drawing-uiimage-inside-a-cgmutablepath Given a CGMutablePathRef how do I draw a UIImage in it I know that you can draw it like the following UIImage scaledImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext scaledImage drawAtPoint CGPointMake 0 0 CGContextRestoreGState.. can draw it like the following UIImage scaledImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext scaledImage drawAtPoint CGPointMake 0 0 CGContextRestoreGState context but I am not sure if I have a path which is a rectangle with..
UIImage resize (Scale proportion) [duplicate] http://stackoverflow.com/questions/2645768/uiimage-resize-scale-proportion image UIImage originalImage UIImage imageNamed @ myImage.png scaling set to 2.0 makes the image 1 2 the size. UIImage scaledImage UIImage imageWithCGImage originalImage CGImage scale originalImage.scale 2.0 orientation originalImage.imageOrientation..
Must drawInRect: for a separate context be executed on the main thread? http://stackoverflow.com/questions/3207536/must-drawinrect-for-a-separate-context-be-executed-on-the-main-thread it in a separate thread. The actual scaling looks like this and is a category implementation on top of UIImage UIImage scaledImageWithWidth CGFloat width andHeight CGFloat height CGRect rect CGRectMake 0.0 0.0 width height UIGraphicsBeginImageContext.. 0.0 0.0 width height UIGraphicsBeginImageContext rect.size self drawInRect rect crashing on this line UIImage scaledImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return scaledImage This is called from a separate method.. crashing on this line UIImage scaledImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return scaledImage This is called from a separate method which loops through the images in turn and does the processing. The actual call to..
iphone - Scaling Images are very slow - Help http://stackoverflow.com/questions/3842042/iphone-scaling-images-are-very-slow-help context 1.0 1.0 CGContextDrawImage context CGRectMake 0.0f 0.0f newSize.width newSize.height originImg.CGImage UIImage scaledImage UIGraphicsGetImageFromCurrentImageContext retain UIGraphicsEndImageContext CGContextRelease context The only problem is..
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