任意形狀的ImageView

demo位址 執行效果:

zwimageview.h中**:

#import 

@inte***ce zwimageview : uiview
/** *  path:形狀
*/@property (nonatomic, assign) cgpathref path;
/** *  image:
*/@property (nonatomic, strong) uiimage *image;
- (instancetype)init;
- (instancetype)initwithframe:(cgrect)frame;
- (instancetype)initwithframe:(cgrect)frame path:(cgpathref)path image:(uiimage *)image;
@end
複製**

#import "zwimageview.h"

@implementation zwimageview
/*// only override drawrect: if you perform custom drawing.
// an empty implementation adversely affects performance during animation.
- (void)drawrect:(cgrect)rect 
*/- (instancetype)init
return self;
}- (instancetype)initwithframe:(cgrect)frame
return self;
}- (instancetype)initwithframe:(cgrect)frame path:(cgpathref)path image:(uiimage *)image
return self;
}- (void)setuplayers
- (void)setframe:(cgrect)frame
- (void)setpath:(cgpathref)path
- (void)setimage:(uiimage *)image
@end
複製**

//三角形

uibezierpath *path1 = [[uibezierpath alloc] init];
path1.linecapstyle = kcglinecapround;
path1.linejoinstyle = kcglinejoinround;
[path1 movetopoint:cgpointmake(25, 0)];
[path1 addlinetopoint:cgpointmake(0, 50)];
[path1 addlinetopoint:cgpointmake(50, 50)];
[path1 fill];
zwimageview *imageview1 = [[zwimageview alloc] initwithframe:cgrectmake(20, 100, 50, 50) path:path1.cgpath image:[uiimage imagenamed:@"示例圖"]];
[self.view addsubview:imageview1];
//波浪
uibezierpath *path2 = [[uibezierpath alloc] init];
path2.linecapstyle = kcglinecapround;
path2.linejoinstyle = kcglinejoinround;
[path2 movetopoint:cgpointmake(0, 50)];
[path2 addlinetopoint:cgpointmake(0, 25)];
//    [path addarcwithcenter:cgpointmake(50, 50) radius:50 startangle:m_pi endangle:m_pi_2 clockwise:yes];
[path2 addcurvetopoint:cgpointmake(50, 25) controlpoint1:cgpointmake(15, 15) controlpoint2:cgpointmake(35, 35)];
[path2 addlinetopoint:cgpointmake(50, 50)];
[path2 fill];
zwimageview *imageview2 = [[zwimageview alloc] initwithframe:cgrectmake(120, 100, 50, 50) path:path2.cgpath image:[uiimage imagenamed:@"示例圖"]];
[self.view addsubview:imageview2];
//橢圓形
uibezierpath *path3 = [uibezierpath bezierpathwithovalinrect:cgrectmake(0, 5, 50, 100)];
[path3 fill];
zwimageview *imageview3 = [[zwimageview alloc] initwithframe:cgrectmake(220, 100, 50, 120) path:path3.cgpath image:[uiimage imagenamed:@"示例圖"]];
[self.view addsubview:imageview3];
//扇形
uibezierpath *path4 = [[uibezierpath alloc] init];
[path4 movetopoint:cgpointmake(50, 100)];
[path4 addlinetopoint:cgpointmake(0, 50)];
[path4 addarcwithcenter:cgpointmake(50, 100) radius:70.7 startangle:m_pi_4 * 5 endangle:m_pi_4 * 7 clockwise:yes];
[path4 fill];
zwimageview *imageview4 = [[zwimageview alloc] initwithframe:cgrectmake(20, 180, 100, 100) path:path4.cgpath image:[uiimage imagenamed:@"示例圖"]];
[self.view addsubview:imageview4];
//四分之三圓
uibezierpath *path5 = [[uibezierpath alloc] init];
[path5 movetopoint:cgpointmake(0, 100)];
[path5 addlinetopoint:cgpointmake(0, 50)];
[path5 addarcwithcenter:cgpointmake(50, 50) radius:50 startangle:m_pi endangle:m_pi_2 clockwise:yes];
[path5 fill];
zwimageview *imageview5 = [[zwimageview alloc] initwithframe:cgrectmake(20, 300, 100, 100) path:path5.cgpath image:[uiimage imagenamed:@"示例圖"]];
[self.view addsubview:imageview5];
複製**

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