2014/10/15 下午 10:07:36

iphone Programming Glossary: drawimage.image

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

self.view.frame.size CGRect rect CGRectMake 0 0 self.view.frame.size.width self.view.frame.size.height drawImage.image drawInRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSetLineCap context kCGLineCapRound CGContextSetLineWidth.. lastPoint.x lastPoint.y CGContextAddLineToPoint context currentPoint.x currentPoint.y CGContextStrokePath context drawImage.image UIGraphicsGetImageFromCurrentImageContext iphone core graphics mask share improve this question The method you want..

iPad (very) simple drawing

http://stackoverflow.com/questions/3956202/ipad-very-simple-drawing

pathToBlank image UIImage imageWithData data arrayOfTouches NSMutableArray alloc initWithCapacity 10 self.drawImage.image image mouseMoved 0 self.view bringSubviewToFront closeButton self.view bringSubviewToFront clearButton self.timer NSTimer.. CGPoint point2 CGPoint point3 for int i 0 i tempArray count 1 i i 1 UIGraphicsBeginImageContext self.view.frame.size drawImage.image drawInRect CGRectMake 0 0 self.view.frame.size.width self.view.frame.size.height CGContextSetLineCap UIGraphicsGetCurrentContext.. point2.x point2.y CGContextStrokePath UIGraphicsGetCurrentContext CGContextFlush UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext self.view bringSubviewToFront closeButton self.view..

How to remove view and redraw it

http://stackoverflow.com/questions/6256516/how-to-remove-view-and-redraw-it

CGSizeMake self.view.frame.size.height self.view.frame.size.width drawImage UIImageView alloc initWithImage nil drawImage.image drawInRect CGRectMake 0 0 self.view.frame.size.height self.view.frame.size.width drawImage.frame self.view.frame self.view..

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

touchesBegan NSSet touches withEvent UIEvent event mouseSwiped NO UITouch touch touches anyObject if touch tapCount 2 drawImage.image nil return lastPoint touch locationInView self lastPoint.y 20 NSLog @ touches begin void touchesMoved NSSet touches withEvent.. 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 CGContextSetLineCap UIGraphicsGetCurrentContext.. UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext lastPoint currentPoint mouseMoved if mouseMoved 10 mouseMoved..

draw a line in UIImageView problem

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

lastPoint.y 40 drawImage is a UIImageView declared at header UIGraphicsBeginImageContext drawImage.frame.size drawImage.image drawInRect CGRectMake 0 0 drawImage.frame.size.width drawImage.frame.size.height sets the style for the endpoints of lines.. CGContextAddLineToPoint ctx currentPoint.x lastPoint.y paints a line along the current path CGContextStrokePath ctx drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext currentPoint lastPoint iphone cocoa touch uikit core..

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

draw line between two points in iphone?

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

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 self.drawImage.frame.size.height CGContextSetLineCap UIGraphicsGetCurrentContext.. UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext lastPoint currentPoint Feel Free to ask.. share improve..

CGContextStrokePath not working when zooming and drawing images

http://stackoverflow.com/questions/9281220/cgcontextstrokepath-not-working-when-zooming-and-drawing-images

anyObject CGPoint currentPoint touch locationInView myImageView UIGraphicsBeginImageContext myImageView.frame.size drawImage.image drawInRect CGRectMake 0 0 myImageView.frame.size.width myImageView.frame.size.height CGContextSetLineCap UIGraphicsGetCurrentContext.. UIGraphicsGetCurrentContext currentPoint.x currentPoint.y CGContextStrokePath UIGraphicsGetCurrentContext drawImage.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext lastPoint currentPoint else multi touch case handle..