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2014/10/15 ¤U¤È 10:07:59
iphone Programming Glossary: effectivescaleHow 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 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 enclosingView.bounds.size.height.. heightScale float effectiveScale imageScale contentScale CGSize captureSize CGSizeMake enclosingView.bounds.size.width effectiveScale enclosingView.bounds.size.height effectiveScale NSLog @ effectiveScale 0.2f captureSize @ effectiveScale NSStringFromCGSize.. CGSize captureSize CGSizeMake enclosingView.bounds.size.width effectiveScale enclosingView.bounds.size.height effectiveScale NSLog @ effectiveScale 0.2f captureSize @ effectiveScale NSStringFromCGSize captureSize UIGraphicsBeginImageContextWithOptions..
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