UIImageView+GrayImageview.m
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//
// UIColor+GrayColor.m
//
//
//
#import "UIImageView+GrayImageview.h"
#import "UIImage+GrayImage.h"
#import <objc/runtime.h>
@implementation UIImageView (GrayImageview)
+(void)lh_imageViewSwizzldMethedWith:(BOOL)changeGray;{
if (changeGray == false) {
return;
}
Class class = [self class];
SEL originalSelector = @selector(setImage:);
SEL swizzledSelector = @selector(swizzled_setImage:);
Method originalMethod = class_getInstanceMethod(class, originalSelector);
Method swizzledMethod = class_getInstanceMethod(class, swizzledSelector);
BOOL didAddMethod = class_addMethod(class, originalSelector, method_getImplementation(swizzledMethod), method_getTypeEncoding(swizzledMethod));
if (didAddMethod) {
class_replaceMethod(class, swizzledSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
} else {
method_exchangeImplementations(originalMethod, swizzledMethod);
}
}
- (void)swizzled_setImage:(UIImage *)image {
//系统键盘处理（如果不过滤，这系统键盘字母背景是黑色）
if ([self.superview isKindOfClass:NSClassFromString(@"UIKBSplitImageView")]) {
[self swizzled_setImage:image];
return;
}
UIImage *im = [[image grayImage] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
// UIImage *im = [image grayImage];
[self swizzled_setImage:im];
}
@end