ios中解决图片渲染问题

1 用代码解决

- (UIImage *)imageWithRenderingMode:(UIImageRenderingMode)renderingMode 按照原来的样子显示

使用示例:

UIImage *image = [UIImage imageNamed:@"name"];
image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

2 可在存放图片的地方设置