UIImages.mm

   1 #import <Foundation/Foundation.h>
   2 #import <CoreGraphics/CoreGraphics.h>
   3 #import <UIKit/UIKit.h>
   4
   5 extern "C" {
   6     #include <mach-o/nlist.h>
   7 }
   8
   9 int main(int argc, char *argv[]) {
  10     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  11
  12     struct nlist nl[3];
  13     memset(nl, 0, sizeof(nl));
  14     nl[0].n_un.n_name = (char *) "___mappedImages";
  15     nl[1].n_un.n_name = (char *) "__UISharedImageInitialize";
  16     nlist("/System/Library/Frameworks/UIKit.framework/UIKit", nl);
  17     NSMutableDictionary **images = (id *) nl[0].n_value;
  18     void (*__UISharedImageInitialize)(bool) = (void (*)(bool)) nl[1].n_value;
  19
  20     __UISharedImageInitialize(false);
  21
  22     NSArray *keys = [*images allKeys];
  23     for (int i(0), e([keys count]); i != e; ++i) {
  24         NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  25         NSString *key = [keys objectAtIndex:i];
  26         CGImageRef ref = (CGImageRef) [*images objectForKey:key];
  27         UIImage *image = [UIImage imageWithCGImage:ref];
  28         NSData *data = UIImagePNGRepresentation(image);
  29         [data writeToFile:[NSString stringWithFormat:@"%@", key] atomically:YES];
  30         [pool release];
  31     }
  32
  33     [pool release];
  34     return 0;
  35 }