149     }

   149     }

   150     return;

   150     return;

   151 }

   151 }

   152 

   152 

   153 -(void) drawingThread {

   153 -(void) drawingThread {

   155     uint8_t unpackedMap[128*32*8];

   156     uint8_t unpackedMap[128*32*8];

   156     [self engineProtocol:unpackedMap];

   157     [self engineProtocol:unpackedMap];

   157 

   158 

   158     // http://developer.apple.com/mac/library/qa/qa2001/qa1037.html

   159     // http://developer.apple.com/mac/library/qa/qa2001/qa1037.html

   159     CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();

   160     CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();

   177                            withObject:nil

   178                            withObject:nil

   178                         waitUntilDone:NO];

   179                         waitUntilDone:NO];

   179     [self performSelectorOnMainThread:@selector(removeIndicator)

   180     [self performSelectorOnMainThread:@selector(removeIndicator)

   180                            withObject:nil

   181                            withObject:nil

   181                         waitUntilDone:NO];

   182                         waitUntilDone:NO];

   184 }

   185 }

   185 

   186 

   186 -(void) updatePreviewWithSeed:(NSString *)seed {

   187 -(void) updatePreviewWithSeed:(NSString *)seed {

   187     // remove the current preview and title

   188     // remove the current preview and title

   188     [self setImage:nil forState:UIControlStateNormal];

   189     [self setImage:nil forState:UIControlStateNormal];