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2014/10/15 ¤U¤È 10:15:59
iphone Programming Glossary: withfontDrawing rotated text with NSString drawInRect http://stackoverflow.com/questions/10289898/drawing-rotated-text-with-nsstring-drawinrect CGContextTranslateCTM context 0 0 UIFont font UIFont systemFontOfSize 16.0 str drawInRect CGRectMake 0 0 200 100 withFont font lineBreakMode UILineBreakModeWordWrap alignment UIBaselineAdjustmentNone So when I use this I see text being drawn.. the context back into the view CGContextTranslateCTM context rect.size.height 0 Draw the string string drawInRect rect withFont font lineBreakMode UILineBreakModeWordWrap alignment UITextAlignmentLeft Clean up CGGradientRelease gradient CGColorSpaceRelease..
UIStringDrawing methods don't seem to be thread safe in iOS 6 http://stackoverflow.com/questions/12744558/uistringdrawing-methods-dont-seem-to-be-thread-safe-in-ios-6 0x37d6068a rendererForFont __GSFont 242 4 WebKit 0x37d61796 NSString WebStringDrawing __web_drawAtPoint forWidth withFont ellipsis letterSpacing includeEmoji measureOnly renderedStringOut drawUnderline 198 5 WebKit 0x37d616bc NSString WebStringDrawing.. renderedStringOut drawUnderline 198 5 WebKit 0x37d616bc NSString WebStringDrawing __web_drawAtPoint forWidth withFont ellipsis letterSpacing includeEmoji measureOnly renderedStringOut 84 6 WebKit 0x37d6165e NSString WebStringDrawing __web_drawAtPoint.. measureOnly renderedStringOut 84 6 WebKit 0x37d6165e NSString WebStringDrawing __web_drawAtPoint forWidth withFont ellipsis letterSpacing includeEmoji measureOnly 82 7 WebKit 0x37d61602 NSString WebStringDrawing _web_drawAtPoint forWidth..
iPhone UITextField - Change placeholder text color http://stackoverflow.com/questions/1340224/iphone-uitextfield-change-placeholder-text-color
http://stackoverflow.com/questions/2209734/add-text-to-calayer ctx UIColor darkTextColor CGColor UIGraphicsPushContext ctx word drawInRect layer.bounds withFont UIFont systemFontOfSize 32 lineBreakMode UILineBreakModeWordWrap alignment UITextAlignmentCenter word drawAtPoint CGPointMake..
Annotate PDF within iPhone SDK http://stackoverflow.com/questions/2313008/annotate-pdf-within-iphone-sdk is the original plus the annotation. To vary the annotations just add in more drawing code in place of the drawInRect withFont method. See the Drawing and Printing Guide for iOS for more on how to do that. void exampleAnnotation NSURL url NSURL fileURLWithPath..
How do I use the NSString draw functionality to create a UIImage from text http://stackoverflow.com/questions/2765537/how-do-i-use-the-nsstring-draw-functionality-to-create-a-uiimage-from-text ctx CGSizeMake 1.0 1.0 5.0 UIColor grayColor CGColor draw in context you can use also drawInRect withFont text drawAtPoint CGPointMake 0.0 0.0 withFont font transfer image UIImage image UIGraphicsGetImageFromCurrentImageContext.. UIColor grayColor CGColor draw in context you can use also drawInRect withFont text drawAtPoint CGPointMake 0.0 0.0 withFont font transfer image UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return image To call..
http://stackoverflow.com/questions/3231690/inner-shadow-in-uilabel whiteColor setFill custom shape goes here text_ drawAtPoint CGPointMake self.bounds.size.width 2 fontSize.width 2 0 withFont font text_ drawAtPoint CGPointMake self.bounds.size.width 2 fontSize.width 2 1 withFont font CGImageRef cutoutRef CGImageCreateWithMask.. 2 fontSize.width 2 0 withFont font text_ drawAtPoint CGPointMake self.bounds.size.width 2 fontSize.width 2 1 withFont font CGImageRef cutoutRef CGImageCreateWithMask self blackSquareOfSize rect.size .CGImage mask CGImageRelease mask UIImage.. blackColor setFill custom shape goes here text_ drawAtPoint CGPointMake self.bounds.size.width 2 fontSize.width 2 1 withFont font UIImage negative UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext CGImageRef innerShadowRef CGImageCreateWithMask..
Recreate recipient bubble behaviour in Mail.app / Three20 http://stackoverflow.com/questions/5247072/recreate-recipient-bubble-behaviour-in-mail-app-three20 3 else else use plain white CGContextSetRGBFillColor context 1.0f 1.0f 1.0f 1.0f self.text drawInRect textBounds withFont UIFont boldSystemFontOfSize UIFont systemFontSize lineBreakMode UILineBreakModeClip alignment UITextAlignmentCenter UIImage..
How to write text on image in objective-c iPhone? http://stackoverflow.com/questions/6992830/how-to-write-text-on-image-in-objective-c-iphone point.x point.y image.size.width image.size.height UIColor whiteColor set text drawInRect CGRectIntegral rect withFont font UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage Usage note replace..
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