2014/10/15 下午 10:05:49

iphone Programming Glossary: currentpoint.y

http://stackoverflow.com/questions/14053563/how-to-unerase-the-erased-uiimage

lastPoint sender locationInView imgForeground lastPoint.y 20 else currentPoint sender locationInView imgForeground currentPoint.y 20 UIGraphicsBeginImageContext imgForeground.frame.size imgForeground.image drawInRect CGRectMake imgForeground.frame.origin.x..

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

imageView.frame.size.width double ratioH imageView.image.size.height imageView.frame.size.height currentPoint.x ratioW currentPoint.y ratioH double circleSizeW 30 ratioW double circleSizeH 30 ratioH currentPoint.x currentPoint.x circleSizeW 2 0 0 currentPoint.x.. 30 ratioW double circleSizeH 30 ratioH currentPoint.x currentPoint.x circleSizeW 2 0 0 currentPoint.x circleSizeW 2 currentPoint.y currentPoint.y circleSizeH 2 0 0 currentPoint.y circleSizeH 2 CGRect cropRect CGRectMake currentPoint.x currentPoint.y circleSizeW.. circleSizeH 30 ratioH currentPoint.x currentPoint.x circleSizeW 2 0 0 currentPoint.x circleSizeW 2 currentPoint.y currentPoint.y circleSizeH 2 0 0 currentPoint.y circleSizeH 2 CGRect cropRect CGRectMake currentPoint.x currentPoint.y circleSizeW circleSizeH..

Lag while drawing in ios7

http://stackoverflow.com/questions/19108185/lag-while-drawing-in-ios7

lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext imgDrawing.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext.. lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext imgDrawing.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

Use a CoreGraphic Stroke as Alpha Mask in iPhone App

http://stackoverflow.com/questions/2208579/use-a-coregraphic-stroke-as-alpha-mask-in-iphone-app

context CGContextMoveToPoint context lastPoint.x lastPoint.y CGContextAddLineToPoint context currentPoint.x currentPoint.y CGContextStrokePath context drawImage.image UIGraphicsGetImageFromCurrentImageContext iphone core graphics mask share..

want to add manual erasing option in ipad painting application by quartz

http://stackoverflow.com/questions/3863931/want-to-add-manual-erasing-option-in-ipad-painting-application-by-quartz

UIGraphicsGetCurrentContext lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext imgview.image UIGraphicsGetImageFromCurrentImageContext lastPoint currentPoint..

iPhone signature capture

http://stackoverflow.com/questions/4132877/iphone-signature-capture

UIGraphicsGetCurrentContext lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext signatureImageView.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

Is there an SDK to draw lines on iOS with touch?

http://stackoverflow.com/questions/6774352/is-there-an-sdk-to-draw-lines-on-ios-with-touch

withEvent UIEvent event mouseSwiped YES UITouch touch touches anyObject CGPoint currentPoint touch locationInView self currentPoint.y 20 UIGraphicsBeginImageContext self.bounds.size drawImage.image drawInRect CGRectMake 0 0 self.bounds.size.width self.bounds.size.height.. UIGraphicsGetCurrentContext lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

draw a line in UIImageView problem

http://stackoverflow.com/questions/680855/draw-a-line-in-uiimageview-problem

context CGContextBeginPath ctx begin a new path at the point you specify CGContextMoveToPoint ctx currentPoint.x currentPoint.y Appends a straight line segment from the current point to the provided point CGContextAddLineToPoint ctx currentPoint.x..

how to create an application which allows user to free hand drawing? [closed]

http://stackoverflow.com/questions/8207913/how-to-create-an-application-which-allows-user-to-free-hand-drawing

UIEvent event mouseSwiped YES UITouch touch touches anyObject CGPoint currentPoint touch locationInView self.drawImage currentPoint.y 20 NSLog @ current Point is x d y d currentPoint.x currentPoint.y UIGraphicsBeginImageContext self.drawImage.frame.size.. currentPoint touch locationInView self.drawImage currentPoint.y 20 NSLog @ current Point is x d y d currentPoint.x currentPoint.y UIGraphicsBeginImageContext self.drawImage.frame.size drawImage.image drawInRect CGRectMake 0 0 self.drawImage.frame.size.width.. UIGraphicsGetCurrentContext lastPoint.x lastPoint.y CGContextAddLineToPoint UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

draw line between two points in iphone?

http://stackoverflow.com/questions/8208469/draw-line-between-two-points-in-iphone