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2014/10/15 ¤U¤È 10:12:27
iphone Programming Glossary: p.xIs it possible to alter the letter-spacing/kerning of a font with Cocoa Touch? http://stackoverflow.com/questions/1063268/is-it-possible-to-alter-the-letter-spacing-kerning-of-a-font-with-cocoa-touch self.text length CGPoint v CGContextGetTextPosition context calculate width and draw second one. float width v.x p.x float destX 0 calculate X position based on alignment if self textAlignment UITextAlignmentLeft destX 0 else if self textAlignment..
How do I create/render a UIImage from a 3D transformed UIImageView? http://stackoverflow.com/questions/1949003/how-do-i-create-render-a-uiimage-from-a-3d-transformed-uiimageview 4 x 4 width y CGPoint p self modelToScreen x 2 _factor _rect.size.width 2.0 y 2 _factor _rect.size.height 2.0 p.x _factor p.y _factor int indexInput 4 int p.x 4 width int p.y if p.x width p.x 0 p.y height p.y 0 indexInput width height.. x 2 _factor _rect.size.width 2.0 y 2 _factor _rect.size.height 2.0 p.x _factor p.y _factor int indexInput 4 int p.x 4 width int p.y if p.x width p.x 0 p.y height p.y 0 indexInput width height 4 outputData indexOutput 0.0 outputData indexOutput.. 2.0 y 2 _factor _rect.size.height 2.0 p.x _factor p.y _factor int indexInput 4 int p.x 4 width int p.y if p.x width p.x 0 p.y height p.y 0 indexInput width height 4 outputData indexOutput 0.0 outputData indexOutput 1 0.0 outputData..
How to change an UILabel/UIFont's letter spacing? http://stackoverflow.com/questions/2544905/how-to-change-an-uilabel-uifonts-letter-spacing self.text length CGPoint v CGContextGetTextPosition context calculate width and draw second one. float width v.x p.x float centeredX self.frame.size.width width 2 CGContextSetFillColorWithColor context self.textColor CGColor CGContextShowTextAtPoint..
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