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acalism/CAShapeLayer应用.m

Last active August 27, 2015 13:17
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CAShapeLayer应用.m
// You'll also need the QuartzCore framework added to the project
#import <QuartzCore/QuartzCore.h>
int x = 0; int y = 0;
int toX = 30; int toY = 40;
CGMutablePathRef linePath = CGPathCreateMutable();
CGPathMoveToPoint(linePath, NULL, x, y);
CGPathAddLineToPoint(linePath, NULL, toX, toY);
CAShapeLayer *lineShape = [CAShapeLayer layer];
lineShape.lineWidth = 4.0f;
lineShape.lineCap = kCALineCapRound;;
lineShape.strokeColor = [[UIColor blackColor] CGColor];
lineShape.path = linePath;
CGPathRelease(linePath);
[self.layer addSublayer:lineShape];
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