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2014/10/15 ¤U¤È 10:15:02
iphone Programming Glossary: topcenterHow do I add a gradient to the text of a UILabel, but not the background? http://stackoverflow.com/questions/1266179/how-do-i-add-a-gradient-to-the-text-of-a-uilabel-but-not-the-background rgbColorspace components locations num_locations CGRect currentBounds self.bounds CGPoint topCenter CGPointMake CGRectGetMidX currentBounds 0.0f CGPoint midCenter CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds.. CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds CGContextDrawLinearGradient context gradient topCenter midCenter 0 CGGradientRelease gradient CGColorSpaceRelease rgbColorspace CGContextRestoreGState context One shortcoming..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths self.view.bounds CGFloat const radius bounds.size.height 6 CGFloat const offset 2 radius M_SQRT1_2 CGPoint const topCenter CGPointMake CGRectGetMidX bounds CGRectGetMidY bounds offset CGPoint const bottomCenter topCenter.x CGRectGetMidY bounds.. CGPoint const topCenter CGPointMake CGRectGetMidX bounds CGRectGetMidY bounds offset CGPoint const bottomCenter topCenter.x CGRectGetMidY bounds offset path_ UIBezierPath bezierPath path_ addArcWithCenter topCenter radius radius startAngle M_PI_4.. const bottomCenter topCenter.x CGRectGetMidY bounds offset path_ UIBezierPath bezierPath path_ addArcWithCenter topCenter radius radius startAngle M_PI_4 endAngle M_PI M_PI_4 clockwise NO path_ addArcWithCenter bottomCenter radius radius startAngle..
How to get UILabel (UITextView) auto adjusted font size? http://stackoverflow.com/questions/3669844/how-to-get-uilabel-uitextview-auto-adjusted-font-size THE SAME ORIGINAL FONT SIZE CGFloat fontCapHeightHalf self.font.capHeight 2 5 CGRect currentBounds rect CGPoint topCenter CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds fontCapHeightHalf CGPoint midCenter CGPointMake CGRectGetMidX.. currentBounds CGRectGetMidY currentBounds fontCapHeightHalf CGContextDrawLinearGradient myContext glossGradient topCenter midCenter 0 CGGradientRelease glossGradient CGColorSpaceRelease rgbColorspace CGContextRestoreGState myContext iphone ..
iPhone Glossy Icons Using Core Graphics http://stackoverflow.com/questions/5541457/iphone-glossy-icons-using-core-graphics CGColorSpaceRef rgbColorspace CGRect currentBounds CGRectMake 0 0 icon.size.width icon.size.height CGPoint topCenter CGPointMake CGRectGetMidX currentBounds 0.0f CGPoint midCenter CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds.. rgbColorspace components locations 2 CGContextDrawLinearGradient context glossGradient topCenter midCenter 0 UIGraphicsPopContext newImage UIGraphicsGetImageFromCurrentImageContext CGGradientRelease glossGradient CGColorSpaceRelease..
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