UIImages.mm

   1 #import <Foundation/Foundation.h>
   2 #import <CoreGraphics/CoreGraphics.h>
   3
   4 #import <UIKit/UIKeyboard.h>
   5 #import <UIKit/UIImage.h>
   6
   7 extern "C" {
   8     #include <mach-o/nlist.h>
   9 }
  10
  11 extern "C" NSData *UIImagePNGRepresentation(UIImage *image);
  12
  13 int main(int argc, char *argv[]) {
  14     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  15
  16     struct nlist nl[3];
  17     memset(nl, 0, sizeof(nl));
  18     nl[0].n_un.n_name = (char *) "___mappedImages";
  19     nl[1].n_un.n_name = (char *) "__UISharedImageInitialize";
  20     nlist("/System/Library/Frameworks/UIKit.framework/UIKit", nl);
  21     NSMutableDictionary **images = (id *) nl[0].n_value;
  22     void (*__UISharedImageInitialize)(bool) = (void (*)(bool)) nl[1].n_value;
  23
  24     __UISharedImageInitialize(false);
  25     [UIKeyboard preheatArtwork];
  26
  27     NSArray *keys = [*images allKeys];
  28     for (int i(0), e([keys count]); i != e; ++i) {
  29         NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  30         NSString *key = [keys objectAtIndex:i];
  31         CGImageRef ref = (CGImageRef) [*images objectForKey:key];
  32         UIImage *image = [UIImage imageWithCGImage:ref];
  33         NSData *data = UIImagePNGRepresentation(image);
  34         [data writeToFile:[NSString stringWithFormat:@"%@", key] atomically:YES];
  35         [pool release];
  36     }
  37
  38     [pool release];
  39     return 0;
  40 }