iOS图像处理之画圆角矩形
CGContextRef ctx = UIGraphicsGetCurrentContext(); CGContextSaveGState(ctx); //画圆矩形 //设置线宽 CGContextSetLineWidth(ctx, BORDE_WIDTH); //设置填充颜色和画笔颜色 CGContextSetFillColorWithColor(ctx, self.color.CGColor); CGContextSetStrokeColorWithColor(ctx, [UIColor yellowColor].CGColor); CGPathRef clippath = [UIBezierPath bezierPathWithRoundedRect:CGRectMake([self offsets].width,[self offsets].height, [self size].width, [self size].height) cornerRadius:CR_RADIUS].CGPath; CGContextAddPath(ctx, clippath); // //找到各个角点 // CGPoint p_0_0 = CGPointMake([self offsets].width, [self offsets].height); // CGPoint p_0_1 = CGPointMake([self offsets].width + [self size].width, [self offsets].height); // CGPoint p_1_0 = CGPointMake([self offsets].width, [self offsets].height + [self size].height); // CGPoint p_1_1 = CGPointMake([self offsets].width + [self size].width, [self offsets].height + [self size].height); // CGContextMoveToPoint(ctx, p_1_0.x , p_1_0.y - CR_RADIUS * 2); // CGContextAddArcToPoint(ctx, p_0_0.x, p_0_0.y, p_0_0.x + CR_RADIUS*2, p_0_0.y, CR_RADIUS); // CGContextAddArcToPoint(ctx, p_0_1.x, p_0_1.y, p_0_1.x, p_0_1.y + CR_RADIUS*2, CR_RADIUS); // CGContextAddArcToPoint(ctx, p_1_1.x, p_1_1.y, p_1_1.x - CR_RADIUS*2, p_1_1.y, CR_RADIUS); // CGContextAddArcToPoint(ctx, p_1_0.x, p_1_0.y, p_1_0.x, p_1_0.y - CR_RADIUS*2, CR_RADIUS); CGContextClosePath(ctx); CGContextDrawPath(ctx, kCGPathFillStroke); 本文转自 卓行天下 51CTO博客,原文链接:http://blog.51cto.com/9951038/1772555,如需转载请自行联系原作者