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2014/10/15 ¤U¤È 10:12:24
iphone Programming Glossary: ovalwidthHow to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell reserved. #import CustomCellBackgroundView.h static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight @implementation CustomCellBackgroundView @synthesize borderColor fillColor position BOOL isOpaque return.. release fillColor release super dealloc @end static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 1 CGContextAddRect context rect return CGContextSaveGState context.. static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 1 CGContextAddRect context rect return CGContextSaveGState context 2 CGContextTranslateCTM context CGRectGetMinX..
UIImage with transparent rounded corners http://stackoverflow.com/questions/4885713/uiimage-with-transparent-rounded-corners pool release return newImage autorelease void addRoundedRectToPath CGContextRef context rect CGRect rect width float ovalWidth height float ovalHeight float fw fh If the width or height of the corner oval is zero then it reduces to a right angle so.. the corner oval is zero then it reduces to a right angle so instead of a rounded rectangle we have an ordinary one. if ovalWidth 0 ovalHeight 0 CGContextAddRect context rect return Save the context's state so that the translate and scale can be undone.. rect Normalize the scale of the context so that the width and height of the arcs are 1.0 CGContextScaleCTM context ovalWidth ovalHeight Calculate the width and height of the rectangle in the new coordinate system. fw CGRectGetWidth rect ovalWidth..
iPhone Glossy Icons Using Core Graphics http://stackoverflow.com/questions/5541457/iphone-glossy-icons-using-core-graphics trying to figure this out... Here's my code static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 CGContextAddRect context rect return CGContextSaveGState context.. code static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 CGContextAddRect context rect return CGContextSaveGState context CGContextTranslateCTM context CGRectGetMinX.. context CGContextTranslateCTM context CGRectGetMinX rect CGRectGetMinY rect CGContextScaleCTM context ovalWidth ovalHeight fw CGRectGetWidth rect ovalWidth fh CGRectGetHeight rect ovalHeight CGContextMoveToPoint context fw fh 2 CGContextAddArcToPoint..
How to mask a square image into an image with round corners in the iPhone SDK? http://stackoverflow.com/questions/996292/how-to-mask-a-square-image-into-an-image-with-round-corners-in-the-iphone-sdk for a round rectangle with this code snippet static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 CGContextAddRect context rect return CGContextSaveGState context.. static void addRoundedRectToPath CGContextRef context CGRect rect float ovalWidth float ovalHeight float fw fh if ovalWidth 0 ovalHeight 0 CGContextAddRect context rect return CGContextSaveGState context CGContextTranslateCTM context CGRectGetMinX.. context CGContextTranslateCTM context CGRectGetMinX rect CGRectGetMinY rect CGContextScaleCTM context ovalWidth ovalHeight fw CGRectGetWidth rect ovalWidth fh CGRectGetHeight rect ovalHeight CGContextMoveToPoint context fw fh 2 CGContextAddArcToPoint..
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