UIImageView等比例加載圖片
self.imageView.contentMode = UIViewContentModeScaleAspectFit;
self.imageView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
為UIImageView添加圓角
第一種方法：
UIGraphicsBeginImageContextWithOptions(self.imageView.frame.size, NO, 1.0);
[[UIBezierPath bezierPathWithRoundedRect:self.imageView.bounds cornerRadius:10]addClip];
[image drawInRect:self.imageView.bounds];
self.imageView.image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
第二種方法：
添加image的分類
- (UIImage *)circleImage
{
UIGraphicsBeginImageContext(self.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGRect rect = CGRectMake(0, 0, self.size.width, self.size.height);
CGContextAddEllipseInRect(context, rect);
CGContextClip(context);
[self drawInRect:rect];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
+ (UIImage *)getCircleImage:(NSString *)image
{
return [[self imageNamed:image] circleImage];
}
