如何在iOS 4.0+中以字节为单位获取UIImage的大小？ [英] How to get Size of UIImage in Bytes in iOS 4.0+?

问题描述

我正在尝试从照片库或相机中挑选图像。
委托方法：

I am trying to pick an image from the photo library or from the camera.
The delegate method:

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo

给我 UIImage 对象。我需要为我的应用程序找到 bytes 中图像的大小。

Gives me the UIImage object. I need to find the size of the image in bytes for my application.

我有什么方法可以获得图像的文件类型以及字节大小？

Is there any way I can get the file type of the image and also the size in the bytes?

任何形式的帮助都将受到高度赞赏。

Any kind of help would be highly appreciated.

提前致谢

推荐答案

请尝试以下代码：

NSData *imageData = [[NSData alloc] initWithData:UIImageJPEGRepresentation((image), 1.0)];

int imageSize = imageData.length;
NSLog(@"SIZE OF IMAGE: %i ", imageSize);

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