86     

    86     

    87     // select the port for IPC and launch the preview generation

    87     // select the port for IPC and launch the preview generation

    88     int port = randomPort();

    88     int port = randomPort();

    89     pthread_t thread_id;

    89     pthread_t thread_id;

    90     pthread_create(&thread_id, NULL, (void *)GenLandPreview, (void *)port);

    90     pthread_create(&thread_id, NULL, (void *)GenLandPreview, (void *)port);

    91     [self engineProtocol:port];

    92     [self engineProtocol:port];

    92 

    93 

    93     // draw the buffer (1 pixel per component, 0= transparent 1= color)

    94     // draw the buffer (1 pixel per component, 0= transparent 1= color)

    94     int xc = 0;

    95     int xc = 0;

    95     int yc = -1;

    96     int yc = -1;

   126     UIActivityIndicatorView *indicator = (UIActivityIndicatorView *)[self.previewButton viewWithTag:INDICATOR_TAG];

   127     UIActivityIndicatorView *indicator = (UIActivityIndicatorView *)[self.previewButton viewWithTag:INDICATOR_TAG];

   127     [indicator stopAnimating];

   128     [indicator stopAnimating];

   128     [indicator removeFromSuperview];

   129     [indicator removeFromSuperview];

   129     

   130     

   130     [pool release];

   131     [pool release];

   132 

   134 

   133     /*

   135     /*

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

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

   135     CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();

   137     CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();

   136     CGContextRef bitmapImage = CGBitmapContextCreate(mapExp, 128, 32, 8, 128, colorspace, kCGImageAlphaNone);

   138     CGContextRef bitmapImage = CGBitmapContextCreate(mapExp, 128, 32, 8, 128, colorspace, kCGImageAlphaNone);

   358             }

   360             }

   359             templateCommand = @"e$template_filter 0";

   361             templateCommand = @"e$template_filter 0";

   360             mazeCommand = @"e$maze_size 0";

   362             mazeCommand = @"e$maze_size 0";

   361             break;

   363             break;

   362         default:

   364         default:

   363             break;

   368             break;

   364     }

   369     }

   365     

   370     

   366     self.sizeLabel.text = labelText;

   371     self.sizeLabel.text = labelText;

   367     self.templateFilterCommand = templateCommand;

   372     self.templateFilterCommand = templateCommand;

   399             

   404             

   400         case 2: // Maze

   405         case 2: // Maze

   401             mapgen = @"e$mapgen 1";

   406             mapgen = @"e$mapgen 1";

   402             [self sliderChanged:nil];

   407             [self sliderChanged:nil];

   403             self.slider.enabled = YES;

   408             self.slider.enabled = YES;

   404             break;

   413             break;

   405     }

   414     }

   406     self.mapGenCommand = mapgen;

   415     self.mapGenCommand = mapgen;

   407     [self updatePreview];

   416     [self updatePreview];

   408     

   417