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2014/10/15 ¤U¤È 10:10:01
iphone Programming Glossary: heightscaleHow to get a rotated, zoomed and panned image from an UIImageView at its full resolution? http://stackoverflow.com/questions/11104042/how-to-get-a-rotated-zoomed-and-panned-image-from-an-uiimageview-at-its-full-re 2.f CGFloat widthScale faceImageView.bounds.size.width faceImageView.image.size.width CGFloat heightScale faceImageView.bounds.size.height faceImageView.image.size.height float contentScale MIN widthScale heightScale float effectiveScale.. CGFloat heightScale faceImageView.bounds.size.height faceImageView.image.size.height float contentScale MIN widthScale heightScale float effectiveScale imageScale contentScale CGSize captureSize CGSizeMake enclosingView.bounds.size.width effectiveScale..
how can I get the scale factor of a UIImageView who's mode is AspectFit? http://stackoverflow.com/questions/6726423/how-can-i-get-the-scale-factor-of-a-uiimageview-whos-mode-is-aspectfit CGFloat contentScaleFactor CGFloat widthScale self.bounds.size.width self.image.size.width CGFloat heightScale self.bounds.size.height self.image.size.height if self.contentMode UIViewContentModeScaleToFill return widthScale heightScale.. self.bounds.size.height self.image.size.height if self.contentMode UIViewContentModeScaleToFill return widthScale heightScale widthScale NAN if self.contentMode UIViewContentModeScaleAspectFit return MIN widthScale heightScale if self.contentMode.. return widthScale heightScale widthScale NAN if self.contentMode UIViewContentModeScaleAspectFit return MIN widthScale heightScale if self.contentMode UIViewContentModeScaleAspectFill return MAX widthScale heightScale return 1.0 @end share improve this..
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