git下载地址:git@github.com:lu459700780/UIBezierPath.git
演示：
#import "ViewController.h"
@interface ViewController () @property (nonatomic,assign)BOOL Plus_Minus;
@property (nonatomic,strong)CAShapeLayer * shapeLayer;
@property (nonatomic,strong)UIBezierPath * trackPath;
@property (nonatomic,strong)CAShapeLayer * trackLayer;
@property (nonatomic,strong)UIBezierPath * progressPath;
@property (nonatomic,strong)CAShapeLayer * progressLayer;
@property (nonatomic,strong)NSTimer * timer;
@property (nonatomic,strong)CAShapeLayer * shapeLayerT;
@property (nonatomic,strong)CAShapeLayer * shapeLayerTM; @end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad]; _Plus_Minus = YES; //创建CAShapeLayer
self.shapeLayer = [CAShapeLayer layer];
self.shapeLayer.frame = CGRectMake(, , , );
// self.shapeLayer.position = self.view.center;
self.shapeLayer.fillColor = [UIColor cyanColor].CGColor;//填充颜色为ClearColor //设置线条的宽度和颜色
self.shapeLayer.lineWidth = 1.0f;
self.shapeLayer.strokeColor = [UIColor redColor].CGColor; //创建出圆形贝塞尔曲线
UIBezierPath * circlePath = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(, , , )]; //让贝塞尔曲线与CAShapeLayer 产生联系
self.shapeLayer.path = circlePath.CGPath; //一、添加并显示 画一个圆形
// [self.view.layer addSublayer:self.shapeLayer]; /*
Stroke:用笔画的意思
在这里就是起始笔和结束笔的位置
Stroke为1的话就是一整圈，0.5就是半圈，0.25就是1/4圈。以此类推
*/
self.shapeLayer.strokeStart = ;
self.shapeLayer.strokeEnd = 0.75; //二、画两个圆，其中一个圆表示进度
[self createBezierPath:CGRectMake(, , , )]; //三、创建转动的圆
[self circleBezierPath];
//四、通过点画线组成一个五边线
[self fiveAnimation];
//五、画一条虚线
[self createDottedLine];
//六、画一个弧线
[self createCurvedLine];
} -(void)createCurvedLine{ UIBezierPath* aPath = [UIBezierPath bezierPath];
aPath.lineWidth = 5.0;
aPath.lineCapStyle = kCGLineCapRound; //线条拐角
aPath.lineJoinStyle = kCGLineCapRound; //终点处理
[aPath moveToPoint:CGPointMake(, )];
[aPath addQuadCurveToPoint:CGPointMake(, ) controlPoint:CGPointMake(, )]; CAShapeLayer * CurvedLineLayer=[CAShapeLayer layer];
CurvedLineLayer.path=aPath.CGPath;
[self.view.layer addSublayer:CurvedLineLayer]; } -(void)createDottedLine{ CAShapeLayer *shapeLayer = [CAShapeLayer layer];
[shapeLayer setBounds:self.view.bounds];
[shapeLayer setPosition:self.view.center];
[shapeLayer setFillColor:[[UIColor clearColor] CGColor]]; // 设置虚线颜色为blackColor
[shapeLayer setStrokeColor:[[UIColor colorWithRed:/255.0 green:/255.0 blue:/255.0 alpha:1.0f] CGColor]]; // 3.0f设置虚线的宽度
[shapeLayer setLineWidth:1.0f];
[shapeLayer setLineJoin:kCALineJoinRound]; // 3=线的宽度 1=每条线的间距
[shapeLayer setLineDashPattern:
[NSArray arrayWithObjects:[NSNumber numberWithInt:],
[NSNumber numberWithInt:],nil]]; // Setup the path
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL, , );
CGPathAddLineToPoint(path, NULL, ,); [shapeLayer setPath:path];
CGPathRelease(path); // 可以把self改成任何你想要的UIView, 下图演示就是放到UITableViewCell中的
[[self.view layer] addSublayer:shapeLayer]; } //五角形
-(void)fiveAnimation{ UIBezierPath *aPath = [UIBezierPath bezierPath];
//开始点 从上左下右的点
[aPath moveToPoint:CGPointMake(,)];
//划线点
[aPath addLineToPoint:CGPointMake(, )];
[aPath addLineToPoint:CGPointMake(, )];
[aPath addLineToPoint:CGPointMake(, )];
[aPath addLineToPoint:CGPointMake(, )];
[aPath closePath];
//设置定点是个5*5的小圆形（自己加的）
UIBezierPath *path = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(-/2.0, , , )];
[aPath appendPath:path]; CAShapeLayer *shapelayer = [CAShapeLayer layer];
//设置边框颜色
shapelayer.strokeColor = [[UIColor redColor]CGColor];
//设置填充颜色 如果只要边 可以把里面设置成[UIColor ClearColor]
shapelayer.fillColor = [[UIColor blueColor]CGColor];
//就是这句话在关联彼此（UIBezierPath和CAShapeLayer）：
shapelayer.path = aPath.CGPath;
[self.view.layer addSublayer:shapelayer]; } -(void)circleBezierPath{ _timer = [NSTimer scheduledTimerWithTimeInterval:0.15 target:self selector:@selector(circleAnimationTypeOne) userInfo:nil repeats:YES]; self.shapeLayerT = [CAShapeLayer layer];
self.shapeLayerT.frame = CGRectMake(, , , );
self.shapeLayerT.position = self.view.center;
self.shapeLayerT.fillColor = [UIColor clearColor].CGColor; //设置线条的宽度和颜色
self.shapeLayerT.lineWidth = 2.0f;
self.shapeLayerT.strokeColor = [UIColor redColor].CGColor; //设置stroke起始点
self.shapeLayerT.strokeStart = ;
self.shapeLayerT.strokeEnd = ; //创建出圆形贝塞尔曲线
UIBezierPath * circlePath = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(, , , )]; //让贝塞尔曲线与CAShapeLayer产生联系
self.shapeLayerT.path = circlePath.CGPath;
//添加并显示
[self.view.layer addSublayer:self.shapeLayerT]; self.shapeLayerTM = [CAShapeLayer layer];
self.shapeLayerTM.frame = CGRectMake(, , , );
self.shapeLayerTM.position = self.view.center;
self.shapeLayerTM.fillColor = [UIColor clearColor].CGColor; //设置线条的宽度和颜色
self.shapeLayerTM.lineWidth = 2.0f;
self.shapeLayerTM.strokeColor = [UIColor blueColor].CGColor; //设置stroke起始点
self.shapeLayerTM.strokeStart = ;
self.shapeLayerTM.strokeEnd = ; //创建出圆形贝塞尔曲线
UIBezierPath * circlePathTM = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(, , , )]; //让贝塞尔曲线与CAShapeLayer产生联系
self.shapeLayerTM.path = circlePathTM.CGPath;
//添加并显示
[self.view.layer addSublayer:self.shapeLayerTM];
} -(void)circleAnimationTypeOne{ NSLog(@"strokeStart===%f",self.shapeLayerT.strokeStart);
NSLog(@"strokeEnd====%f",self.shapeLayerT.strokeEnd); if (self.shapeLayerT.strokeEnd > && self.shapeLayerT.strokeStart < ) { self.shapeLayerT.strokeStart += 0.1;
self.shapeLayerTM.strokeStart += 0.1; }else if(self.shapeLayerT.strokeStart == ){ self.shapeLayerT.strokeEnd += 0.1;
self.shapeLayerTM.strokeEnd += 0.1;
} if (self.shapeLayerT.strokeEnd == ) { self.shapeLayerT.strokeStart = ;
self.shapeLayerTM.strokeStart = ;
}
if (self.shapeLayerT.strokeStart == self.shapeLayerT.strokeEnd) { self.shapeLayerT.strokeEnd = ;
self.shapeLayerTM.strokeEnd = ;
}
} //画两个圆形
-(void)createBezierPath:(CGRect)mybound{ //外圆
_trackPath = [UIBezierPath bezierPathWithArcCenter:self.view.center radius:(mybound.size.width-0.7)/ startAngle: endAngle:M_PI* clockwise:YES];
_trackLayer = [CAShapeLayer new];
[self.view.layer addSublayer:_trackLayer];
_trackLayer.fillColor = nil;
_trackLayer.strokeColor = [UIColor grayColor].CGColor;
_trackLayer.path = _trackPath.CGPath;
_trackLayer.lineWidth = ;
_trackLayer.frame = mybound; //内圆
_progressPath = [UIBezierPath bezierPathWithArcCenter:self.view.center radius:(mybound.size.width-0.7)/ startAngle:-M_PI_2 endAngle:(M_PI*)*0.7 clockwise:YES];
_progressLayer = [CAShapeLayer new];
[self.view.layer addSublayer:_progressLayer];
_progressLayer.fillColor = nil;
_progressLayer.strokeColor = [UIColor redColor].CGColor; _progressLayer.lineCap = kCALineCapRound;
_progressLayer.path = _progressPath.CGPath;
_progressLayer.lineWidth = ;
_progressLayer.frame = mybound; }
@end