+ (UIImage *)imageWithColor:(UIColor *)color
{
CGRect rect = CGRectMake(0, 0, 1, 1);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
附送裁剪圆形图片的方法
[self.companyImg sd_setImageWithURL:[NSURL URLWithString:model.logo] completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
//操作图像的设置
//UIImage提供了如何绘制自身的方法
UIGraphicsBeginImageContextWithOptions(self.companyImg.bounds.size, NO, [UIScreen mainScreen].scale);
[[UIBezierPath bezierPathWithRoundedRect:self.companyImg.bounds cornerRadius:self.companyImg.bounds.size.width/2] addClip];
[image drawInRect:self.companyImg.bounds];
self.companyImg.image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
}];
