39     pub struct CGImageRef;
78 impl CGImageRef {  impl
141     fn CGImageGetWidth(image: ::sys::CGImageRef) -> size_t;  in CGImageGetWidth()
142     fn CGImageGetHeight(image: ::sys::CGImageRef) -> size_t;  in CGImageGetHeight()
143     fn CGImageGetBitsPerComponent(image: ::sys::CGImageRef) -> size_t;  in CGImageGetBitsPerComponent()
144     fn CGImageGetBitsPerPixel(image: ::sys::CGImageRef) -> size_t;  in CGImageGetBitsPerPixel()
145     fn CGImageGetBytesPerRow(image: ::sys::CGImageRef) -> size_t;  in CGImageGetBytesPerRow()
146     fn CGImageGetColorSpace(image: ::sys::CGImageRef) -> ::sys::CGColorSpaceRef;  in CGImageGetColorSpace()
147     fn CGImageGetDataProvider(image: ::sys::CGImageRef) -> ::sys::CGDataProviderRef;  in CGImageGetDataProvider()
148     fn CGImageRelease(image: ::sys::CGImageRef);  in CGImageRelease()  argument
160                      -> ::sys::CGImageRef;  in CGImageCreate()  argument
161     fn CGImageCreateWithImageInRect(image: ::sys::CGImageRef, rect: CGRect) -> ::sys::CGImageRef;  in CGImageCreateWithImageInRect()  argument