iphone Programming Glossary: cgcontextmovetopoint
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how CGContextRef context CGRect rect float radius int roundedCornerPosition all corners rounded CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y.. radius rect.origin.y radius radius M_PI 2 M_PI 1 top left if roundedCornerPosition 1 CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y.. context rect.origin.x rect.origin.y bottom left if roundedCornerPosition 2 CGContextMoveToPoint context rect.origin.x rect.origin.y CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height..
underline text in UIlabel http://stackoverflow.com/questions/2711297/underline-text-in-uilabel ctx 207.0f 255.0f 91.0f 255.0f 44.0f 255.0f 1.0f RGBA CGContextSetLineWidth ctx 1.0f CGContextMoveToPoint ctx 0 self.bounds.size.height 1 CGContextAddLineToPoint ctx self.bounds.size.width self.bounds.size.height..
How 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 c CGRectMake 0.0f rect.size.height 10.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f rect.size.height 10.0f CGContextAddLineToPoint c 0.0f rect.size.height CGContextAddLineToPoint.. CGContextFillRect c CGRectMake 0.0f 0.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint.. c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint c rect.size.width 0.0f CGContextAddLineToPoint c rect.size.width 10.0f CGContextStrokePath c CGContextClipToRect..
Round two corners in UIView http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview context kCGPathFill CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm points collectedArray points CGPoint firstPoint points objectAtIndex 0 getValue firstPoint CGContextMoveToPoint context firstPoint.x firstPoint.y CGContextSetLineCap context kCGLineCapRound CGContextSetLineJoin context..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone CGFloat red 4 1.0f 0.0f 0.0f 1.0f CGContextSetStrokeColor c red CGContextBeginPath c CGContextMoveToPoint c 5.0f 5.0f CGContextAddLineToPoint c 50.0f 50.0f CGContextStrokePath c Save everything and click Build..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how you can tidy it up a little bit. static void addRoundedRectToPath CGContextRef context CGRect rect float radius int roundedCornerPosition all corners rounded CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x.. rect.origin.x radius rect.origin.y CGContextAddArc context rect.origin.x radius rect.origin.y radius radius M_PI 2 M_PI 1 top left if roundedCornerPosition 1 CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height radius CGContextAddArc context rect.origin.x.. context rect.origin.x rect.size.width rect.origin.y CGContextAddLineToPoint context rect.origin.x rect.origin.y bottom left if roundedCornerPosition 2 CGContextMoveToPoint context rect.origin.x rect.origin.y CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height CGContextAddLineToPoint context rect.origin.x rect.size.width..
underline text in UIlabel http://stackoverflow.com/questions/2711297/underline-text-in-uilabel CGContextRef ctx UIGraphicsGetCurrentContext CGContextSetRGBStrokeColor ctx 207.0f 255.0f 91.0f 255.0f 44.0f 255.0f 1.0f RGBA CGContextSetLineWidth ctx 1.0f CGContextMoveToPoint ctx 0 self.bounds.size.height 1 CGContextAddLineToPoint ctx self.bounds.size.width self.bounds.size.height 1 CGContextStrokePath ctx super drawRect rect UPD As..
How 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 CGColor if position CustomCellBackgroundViewPositionTop CGContextFillRect c CGRectMake 0.0f rect.size.height 10.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f rect.size.height 10.0f CGContextAddLineToPoint c 0.0f rect.size.height CGContextAddLineToPoint c rect.size.width rect.size.height CGContextAddLineToPoint.. 10.0f else if position CustomCellBackgroundViewPositionBottom CGContextFillRect c CGRectMake 0.0f 0.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint c rect.size.width 0.0f CGContextAddLineToPoint.. rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint c rect.size.width 0.0f CGContextAddLineToPoint c rect.size.width 10.0f CGContextStrokePath c CGContextClipToRect c CGRectMake 0.0f 10.0f rect.size.width rect.size.height..
Round two corners in UIView http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview context rect CGContextClosePath context CGContextDrawPath context kCGPathFill CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint context maxx miny maxx midy radius_br CGContextAddArcToPoint..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm event then I draw all the points in the array using NSMutableArray points collectedArray points CGPoint firstPoint points objectAtIndex 0 getValue firstPoint CGContextMoveToPoint context firstPoint.x firstPoint.y CGContextSetLineCap context kCGLineCapRound CGContextSetLineJoin context kCGLineJoinRound for int i 1 i points count i NSValue..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone line void drawRect CGRect rect CGContextRef c UIGraphicsGetCurrentContext CGFloat red 4 1.0f 0.0f 0.0f 1.0f CGContextSetStrokeColor c red CGContextBeginPath c CGContextMoveToPoint c 5.0f 5.0f CGContextAddLineToPoint c 50.0f 50.0f CGContextStrokePath c Save everything and click Build and Run you should now see a short red line on the iPhone...
How is a rounded rect view with transparency done on iphone? http://stackoverflow.com/questions/1031930/how-is-a-rounded-rect-view-with-transparency-done-on-iphone with drawRect method CGContextRef context UIGraphicsGetCurrentContext CGContextSetRGBFillColor context 0 0 0 0.75 CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular context radious radious CGFloat rectWidth CGRectGetWidth rect radious CGFloat rectHeight CGRectGetHeight rect radious CGContextMoveToPoint context rectWidth rectHeight 2.0f CGContextAddArcToPoint context rectWidth rectHeight rectWidth 2.0f rectHeight radious..
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how void addRoundedRectToPath CGContextRef context CGRect rect float radius int roundedCornerPosition all corners rounded CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height.. context rect.origin.x radius rect.origin.y radius radius M_PI 2 M_PI 1 top left if roundedCornerPosition 1 CGContextMoveToPoint context rect.origin.x rect.origin.y radius CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height.. rect.origin.y CGContextAddLineToPoint context rect.origin.x rect.origin.y bottom left if roundedCornerPosition 2 CGContextMoveToPoint context rect.origin.x rect.origin.y CGContextAddLineToPoint context rect.origin.x rect.origin.y rect.size.height CGContextAddLineToPoint..
underline text in UIlabel http://stackoverflow.com/questions/2711297/underline-text-in-uilabel CGContextSetRGBStrokeColor ctx 207.0f 255.0f 91.0f 255.0f 44.0f 255.0f 1.0f RGBA CGContextSetLineWidth ctx 1.0f CGContextMoveToPoint ctx 0 self.bounds.size.height 1 CGContextAddLineToPoint ctx self.bounds.size.width self.bounds.size.height 1 CGContextStrokePath..
How 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 CGContextFillRect c CGRectMake 0.0f rect.size.height 10.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f rect.size.height 10.0f CGContextAddLineToPoint c 0.0f rect.size.height CGContextAddLineToPoint c rect.size.width.. CGContextFillRect c CGRectMake 0.0f 0.0f rect.size.width 10.0f CGContextBeginPath c CGContextMoveToPoint c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint c rect.size.width.. c CGContextMoveToPoint c 0.0f 10.0f CGContextAddLineToPoint c 0.0f 0.0f CGContextStrokePath c CGContextBeginPath c CGContextMoveToPoint c rect.size.width 0.0f CGContextAddLineToPoint c rect.size.width 10.0f CGContextStrokePath c CGContextClipToRect c CGRectMake..
Round two corners in UIView http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview context CGContextDrawPath context kCGPathFill CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx midy CGContextAddArcToPoint context minx miny midx miny radius_bl CGContextAddArcToPoint context maxx miny..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader intSample 0 intSample sampleCount intSample SInt16 left samples float pixels float left pixels sampleAdjustmentFactor CGContextMoveToPoint context intSample centerLeft pixels CGContextAddLineToPoint context intSample centerLeft pixels CGContextSetStrokeColorWithColor.. context if channelCount 2 SInt16 right samples float pixels float right pixels sampleAdjustmentFactor CGContextMoveToPoint context intSample centerRight pixels CGContextAddLineToPoint context intSample centerRight pixels CGContextSetStrokeColorWithColor.. intSample 0 intSample sampleCount intSample Float32 left samples float pixels left noiseFloor sampleAdjustmentFactor CGContextMoveToPoint context intSample centerLeft pixels CGContextAddLineToPoint context intSample centerLeft pixels CGContextSetStrokeColorWithColor..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm array using NSMutableArray points collectedArray points CGPoint firstPoint points objectAtIndex 0 getValue firstPoint CGContextMoveToPoint context firstPoint.x firstPoint.y CGContextSetLineCap context kCGLineCapRound CGContextSetLineJoin context kCGLineJoinRound..
UITextView ruled line background but wrong line height http://stackoverflow.com/questions/5375350/uitextview-ruled-line-background-but-wrong-line-height over numberOfLines and draw each line for int x 0 x numberOfLines x 0.5f offset lines up line with pixel boundary CGContextMoveToPoint context self.bounds.origin.x self.font.leading x 0.5f baselineOffset CGContextAddLineToPoint context self.bounds.size.width..
How do I draw a line on the iPhone? http://stackoverflow.com/questions/856354/how-do-i-draw-a-line-on-the-iphone c UIGraphicsGetCurrentContext CGFloat red 4 1.0f 0.0f 0.0f 1.0f CGContextSetStrokeColor c red CGContextBeginPath c CGContextMoveToPoint c 5.0f 5.0f CGContextAddLineToPoint c 50.0f 50.0f CGContextStrokePath c Save everything and click Build and Run you should..
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 CGContextScaleCTM context ovalWidth ovalHeight fw CGRectGetWidth rect ovalWidth fh CGRectGetHeight rect ovalHeight CGContextMoveToPoint context fw fh 2 CGContextAddArcToPoint context fw fh fw 2 fh 1 CGContextAddArcToPoint context 0 fh 0 fh 2 1 CGContextAddArcToPoint..
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