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2014/10/15 ¤U¤È 10:05:00
iphone Programming Glossary: cgcontextdrawpathiPhone: why isn't drawRect getting called? http://stackoverflow.com/questions/1053761/iphone-why-isnt-drawrect-getting-called CGContextSetFillColorWithColor context currentColor.CGColor CGContextAddEllipseInRect context currentRect CGContextDrawPath context kCGPathFillStroke self.view setNeedsDisplay The designated initializer. Override to perform setup that is required..
How to erase finger paint on Custom UIView in iPhone http://stackoverflow.com/questions/11132546/how-to-erase-finger-paint-on-custom-uiview-in-iphone NULL lastPoint.x lastPoint.y CGContextAddPath context path CGContextSetLineWidth context 5 UIColor blueColor setStroke CGContextDrawPath context kCGPathFillStroke IBAction btnClose id sender self removeFromSuperview IBAction btnErase id sender IsErase YES @end..
http://stackoverflow.com/questions/1225383/rounded-uiview-with-shadow maxx maxy midx maxy radius CGContextAddArcToPoint context minx maxy minx midy radius CGContextClosePath context CGContextDrawPath context kCGPathFillStroke CGContextRestoreGState context However when it draws the shadow is clipped to the bounds of the..
Flipped NSString drawing in CGContext http://stackoverflow.com/questions/1252343/flipped-nsstring-drawing-in-cgcontext context UIColor redColor CGColor CGContextAddLines context points 4 CGContextClosePath context CGContextDrawPath context kCGPathStroke NSString s NSString stringWithFormat @ d gltextures i .texID UIFont font UIFont fontWithName @ Arial..
Break on EXC_BAD_ACCESS in XCode? http://stackoverflow.com/questions/1622079/break-on-exc-bad-access-in-xcode 14 jasonsmacbook TestProject 1289 CGContextAddPath invalid context Sun Oct 25 15 12 14 jasonsmacbook TestProject 1289 CGContextDrawPath invalid context 2009 10 25 15 12 14.680 LanderTest 1289 207 CFArray objectAtIndex message sent to deallocated instance 0x3c4e610..
Drawing triangle/arrow on a line with CGContext http://stackoverflow.com/questions/2500197/drawing-triangle-arrow-on-a-line-with-cgcontext to Apple's documentation DrawPath closes the path if it's a filled style so a call to ClosePath isn't necessary CGContextDrawPath theContext drawingMode iphone core graphics quartz 2d cgcontext share improve this question void drawLine CGContextRef..
Why there is an invalid context error? http://stackoverflow.com/questions/2570846/why-there-is-an-invalid-context-error MyApp 12869 Error CGContextAddLineToPoint invalid context Sat Apr 3 17 51 09 MacBook.local MyApp 12869 Error CGContextDrawPath invalid context Why it prompt me to say that the context is invalided iphone objective c xcode quartz graphics share..
How to fill a path with gradient in drawRect:? http://stackoverflow.com/questions/2985359/how-to-fill-a-path-with-gradient-in-drawrect CGPointValue CGContextAddLineToPoint context aPoint.x aPoint.y UIColor redColor setFill UIColor blackColor setStroke CGContextDrawPath context kCGPathFillStroke I'd like to draw a gradient instead of solid red but I am having trouble. I've tried the code..
http://stackoverflow.com/questions/3956202/ipad-very-simple-drawing while i self.points.count CGPoint nextPoint self.points objectAtIndex i CGPointValue if nextPoint.x 0 nextPoint.y 0 CGContextDrawPath context kCGPathStroke if i self.points.count 1 CGContextBeginPath context CGPoint nextPoint2 self.points objectAtIndex.. context nextPoint2.x nextPoint2.y i i 2 else i else CGContextAddLineToPoint context nextPoint.x nextPoint.y i CGContextDrawPath context kCGPathStroke void dealloc points release super dealloc void touchesBegan NSSet touches withEvent UIEvent event..
How to draw a “speech bubble” on an iPhone? http://stackoverflow.com/questions/4442126/how-to-draw-a-speech-bubble-on-an-iphone strokeWidth 0.5f HEIGHTOFPOPUPTRIANGLE strokeWidth 0.5f borderRadius strokeWidth CGContextClosePath context CGContextDrawPath context kCGPathFillStroke Draw a clipping path for the fill CGContextBeginPath context CGContextMoveToPoint context borderRadius..
How To Draw line on touch event? http://stackoverflow.com/questions/4669490/how-to-draw-line-on-touch-event 13 11 20 05 .local DragDrop 536 CGContextSetRGBStrokeColor invalid context 0x0 Thu Jan 13 11 20 05 .local DragDrop 536 CGContextDrawPath invalid context 0x0 Thu Jan 13 11 20 05 .local DragDrop 536 CGContextMoveToPoint invalid context 0x0 2011 01 13 11 20 05.199..
Gradient effect for Line Graph in iPhone http://stackoverflow.com/questions/4835515/gradient-effect-for-line-graph-in-iphone 60 graphHeight 60 CGContextClosePath UIGraphicsGetCurrentContext CGContextSaveGState UIGraphicsGetCurrentContext CGContextDrawPath UIGraphicsGetCurrentContext kCGPathStroke CGContextFillPath UIGraphicsGetCurrentContext CGContextClip UIGraphicsGetCurrentContext..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview context CGContextSetGrayFillColor context 1.0 0.0 CGContextAddRect context rect CGContextClosePath context CGContextDrawPath context kCGPathFill CGContextSetGrayFillColor context 1.0 1.0 CGContextBeginPath context CGContextMoveToPoint context minx.. maxx maxy midx maxy radius_tr CGContextAddArcToPoint context minx maxy minx midy radius_tl CGContextClosePath context CGContextDrawPath context kCGPathFill Create CGImageRef of the main view bitmap content and then release that bitmap context CGImageRef bitmapContext..
iOS Draw Rectagle with curved ends http://stackoverflow.com/questions/6553804/ios-draw-rectagle-with-curved-ends
How to know the current position of circle while it is rotating on custom route path? http://stackoverflow.com/questions/8192018/how-to-know-the-current-position-of-circle-while-it-is-rotating-on-custom-route paint it with a different outline white and fill color green CGContextAddEllipseInRect context CGRectMake 1 1 18 18 CGContextDrawPath context kCGPathFillStroke UIImage circle UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext circleView..
calling drawRect in a UIView subclass http://stackoverflow.com/questions/9407162/calling-drawrect-in-a-uiview-subclass invalid context 0x0 Feb 22 20 24 38 Error CGContextAddLineToPoint invalid context 0x0 Feb 22 20 24 38 Error CGContextDrawPath invalid context 0x0 Why is this iphone objective c ios ipad share improve this question You should never ever call..
Styled UITableViewCell (trying to copy Facebook iPhone App Look) [duplicate] http://stackoverflow.com/questions/9837381/styled-uitableviewcell-trying-to-copy-facebook-iphone-app-look
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