iOS开发实现UIImageView的分类
本文实例为大家分享了iOS实现UIImageView的分类代码，供大家参考，具体内容如下
一.Objective-C版
.h文件
#import#import #import /** *这个分类为UIImageView添加一些有用的方法 */ @interfaceUIImageView(WLKit) /** *创建一个UIImageView * *@paramimageUIImageView的图片 *@paramrectUIImageView的坐标 * *@return返回一个UIImageView */ +(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)image frame:(CGRect)rect; /** *创建一个UIImageView * *@paramimageUIImageView的图片 *@paramsizeUIImageView的大小 *@paramcenterUIImageView的中心 * *@return返回一个UIImageView */ +(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)image size:(CGSize)size center:(CGPoint)center; /** *创建一个UIImageView * *@paramimageUIImageView的图片 *@paramcenterUIImageView的中心 * *@returnReturnsthecreatedUIImageView */ +(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)image center:(CGPoint)center; /** *CreateanUIImageViewwithanimageanduseitasatemplatewiththegivencolor * *@paramimageUIImageViewimage *@paramtintColorUIImageViewtintcolor * *@returnReturnsthecreatedUIImageView */ +(instancetype_Nonnull)imageViewWithImageAsTemplate:(UIImage*_Nonnull)image tintColor:(UIColor*_Nonnull)tintColor; /** *Createadropshadoweffect * *@paramcolorShadow'scolor *@paramradiusShadow'sradius *@paramoffsetShadow'soffset *@paramopacityShadow'sopacity */ -(void)setImageShadowColor:(UIColor*_Nonnull)color radius:(CGFloat)radius offset:(CGSize)offset opacity:(CGFloat)opacity; /** *MaskthecurrentUIImageViewwithanUIImage * *@paramimageThemaskUIImage */ -(void)setMaskImage:(UIImage*_Nonnull)image; @end
.m文件
#import"UIImageView+WLKit.h"
@implementationUIImageView(WLKit)
+(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)imageframe:(CGRect)rect
{
UIImageView*_image=[[UIImageViewalloc]init];
[_imagesetFrame:rect];
[_imagesetImage:image];
return_image;
}
+(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)imagesize:(CGSize)sizecenter:(CGPoint)center
{
UIImageView*_image=[[UIImageViewalloc]init];
[_imagesetFrame:CGRectMake(0,0,size.width,size.height)];
[_imagesetImage:image];
[_imagesetCenter:center];
return_image;
}
+(instancetype_Nonnull)imageViewWithImage:(UIImage*_Nonnull)imagecenter:(CGPoint)center
{
UIImageView*_image=[[UIImageViewalloc]init];
[_imagesetFrame:CGRectMake(0,0,image.size.width,image.size.height)];
[_imagesetImage:image];
[_imagesetCenter:center];
return_image;
}
+(instancetype_Nonnull)imageViewWithImageAsTemplate:(UIImage*_Nonnull)imagetintColor:(UIColor*_Nonnull)tintColor
{
UIImageView*_image=[[UIImageViewalloc]init];
image=[imageimageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[_imagesetImage:image];
[_imagesetTintColor:tintColor];
return_image;
}
-(void)setImageShadowColor:(UIColor*_Nonnull)colorradius:(CGFloat)radiusoffset:(CGSize)offsetopacity:(CGFloat)opacity
{
self.layer.shadowColor=color.CGColor;
self.layer.shadowRadius=radius;
self.layer.shadowOffset=offset;
self.layer.shadowOpacity=opacity;
self.clipsToBounds=NO;
}
-(void)setMaskImage:(UIImage*_Nonnull)image
{
CALayer*mask=[CALayerlayer];
mask.contents=(id)[imageCGImage];
mask.frame=CGRectMake(0,0,self.frame.size.width,self.frame.size.height);
self.layer.mask=mask;
self.layer.masksToBounds=YES;
}
-(void)setAlpha:(CGFloat)alpha
{
if([self.superviewisKindOfClass:[UITableViewclass]]){
if(self.superview.tag==836913){
if(alpha==0&&self.autoresizingMask==UIViewAutoresizingFlexibleLeftMargin){
if(self.frame.size.width<10&&self.frame.size.height>self.frame.size.width){
UIScrollView*sc=(UIScrollView*)self.superview;
if(sc.frame.size.height
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