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核心代码,使用UIImageView实现触摸绘图, 比起使用数组实现要强很多, 使用数组会很费内存,高手请过。minixx新手学习资料保存//监听触摸事件-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{ UITouch *touch = [touches anyObject]; currentPoint = [touch locationInView:self]; NSLog(@"currentPoint.x = %f",currentPoint.x); NSLog(@"currentPoint.y = %f",currentPoint.y); UIGraphicsBeginImageContext(self.frame.size); [drawImage.image drawInRect:CGRectMake(0, 0, drawImage.frame.size.width, drawImage.frame.size.height)]; CGContextSe
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