qadevOOo/runner/graphical/PixelCounter.java

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  27
  28 package graphical;
  29
  30
  31 // -----------------------------------------------------------------------------
  32 abstract class CountPixel
  33 {
  34     protected int m_nCount = 0;
  35     public int getCount() {return m_nCount;}
  36     public abstract void count(int _nRGB);
  37 }
  38
  39 // -----------------------------------------------------------------------------
  40 class CountNotWhite extends CountPixel
  41 {
  42     public CountNotWhite()
  43         {
  44             // System.out.println("CountWhite()");
  45         }
  46
  47     public void countold(final int pixel)
  48         {
  49             // final int alpha = (pixel >> 24) & 0xff;
  50             final int red   = (pixel >> 16) & 0xff;
  51             final int green = (pixel >>  8) & 0xff;
  52             final int blue  = (pixel      ) & 0xff;
  53
  54             // System.out.println(String.valueOf(red) + ":" + String.valueOf(green) + ":" + String.valueOf(blue));
  55             if (red == 0xff && green == 0xff && blue == 0xff)
  56             {
  57                 return;
  58             }
  59             ++m_nCount;
  60         }
  61     public void count(final int pixel)
  62         {
  63             // final int alpha = (pixel >> 24) & 0xff;
  64             final int blue  = (pixel      ) & 0xff;
  65             if (blue != 0xff)
  66             {
  67                 ++m_nCount;
  68                 return;
  69             }
  70             final int green = (pixel >>  8) & 0xff;
  71             if (green != 0xff)
  72             {
  73                 ++m_nCount;
  74                 return;
  75             }
  76             final int red   = (pixel >> 16) & 0xff;
  77             if (red != 0xff)
  78             {
  79                 ++m_nCount;
  80                 return;
  81             }
  82         }
  83 }
  84
  85 // -----------------------------------------------------------------------------
  86 class CountNotBlack extends CountPixel
  87 {
  88     public CountNotBlack()
  89         {
  90             // System.out.println("CountBlack()");
  91         }
  92
  93     public void countold(final int pixel)
  94         {
  95             // final int alpha = (pixel >> 24) & 0xff;
  96             final int red   = (pixel >> 16) & 0xff;
  97             final int green = (pixel >>  8) & 0xff;
  98             final int blue  = (pixel      ) & 0xff;
  99
 100             if (red == 0x00 && green == 0x00 && blue == 0x00)
 101             {
 102                 return;
 103             }
 104             ++m_nCount;
 105         }
 106     public void count(final int pixel)
 107         {
 108             // final int alpha = (pixel >> 24) & 0xff;
 109             final int blue  = (pixel      ) & 0xff;
 110             if (blue != 0x00)
 111             {
 112                 ++m_nCount;
 113                 return;
 114             }
 115             final int green = (pixel >>  8) & 0xff;
 116             if (green != 0x00)
 117             {
 118                 ++m_nCount;
 119                 return;
 120             }
 121             final int red   = (pixel >> 16) & 0xff;
 122             if (red != 0x00)
 123             {
 124                 ++m_nCount;
 125                 return;
 126             }
 127         }
 128 }
 129
 130 // -----------------------------------------------------------------------------
 131 class graphics_stuff
 132 {
 133 //    public int stuff()
 134 //        {
 135 //// (1) decoding
 136 //            int rgba = 0; // ...; // comes from PixelGrabber, BufferedImage.getRGB etc.
 137 //            int red = (rgba >> 16) & 0xff;
 138 //            int green = (rgba >> 8) & 0xff;
 139 //            int blue = rgba & 0xff;
 140 //            int alpha = (rgba >> 24) & 0xff;
 141 //// (2) now modify red, green, blue and alpha as you like;
 142 ////     make sure that each of the four values stays in the
 143 ////     interval 0 to 255
 144 ////            ...
 145 //// (3) and encode back to an int, e.g. to give it to MemoryImageSource or
 146 ////     BufferedImage.setRGB
 147 //                rgba = (alpha << 24) | (red << 16) | (green << 8) | blue;
 148 //                return 0;
 149 //        }
 150
 151 //    public static void handlesinglepixel(int x, int y, int pixel)
 152 //        {
 153 //            int alpha = (pixel >> 24) & 0xff;
 154 //            int red   = (pixel >> 16) & 0xff;
 155 //            int green = (pixel >>  8) & 0xff;
 156 //            int blue  = (pixel      ) & 0xff;
 157 //            // Deal with the pixel as necessary...
 158 //        }
 159
 160     public static void countPixel(ImageHelper img, int _x, int _y, int _w, int _h, CountPixel _aPixelCounter)
 161         {
 162             for (int y = 0; y < _h; y++) {
 163                 for (int x = 0; x < _w; x++) {
 164                     // handlesinglepixel(x+i, y+j, pixels[j * w + i]);
 165                     _aPixelCounter.count(img.getPixel(x,y));
 166                 }
 167             }
 168         }
 169     public static int countNotWhitePixel(ImageHelper _aImage)
 170         {
 171             final int w = _aImage.getWidth();
 172             final int h = _aImage.getHeight();
 173
 174             CountPixel aCountNotWhite = new CountNotWhite();
 175             countPixel(_aImage, 0, 0, w, h, aCountNotWhite);
 176             return aCountNotWhite.getCount();
 177         }
 178
 179     public static int countNotBlackPixel(ImageHelper _aImage)
 180         {
 181             final int w = _aImage.getWidth();
 182             final int h = _aImage.getHeight();
 183
 184             CountPixel aCountNotBlack = new CountNotBlack();
 185             countPixel(_aImage, 0, 0, w, h, aCountNotBlack);
 186             return aCountNotBlack.getCount();
 187         }
 188 }
 189
 190 // -----------------------------------------------------------------------------
 191
 192 public class PixelCounter {
 193     // private Image m_aImage;
 194     // ImageHelper m_aImage;
 195
 196
 197     public int countNotWhitePixel(String _sFile)
 198         throws java.io.IOException
 199         {
 200             ImageHelper aImage = ImageHelper.createImageHelper(_sFile);
 201             final int nw = graphics_stuff.countNotWhitePixel(aImage);
 202             return nw;
 203         }
 204
 205     public int countNotBlackPixel(String _sFile)
 206         throws java.io.IOException
 207         {
 208             ImageHelper aImage = ImageHelper.createImageHelper(_sFile);
 209             final int nw = graphics_stuff.countNotBlackPixel(aImage);
 210             return nw;
 211         }
 212
 213     public static int countNotWhitePixelsFromImage(String _sFile)
 214         throws java.io.IOException
 215         {
 216             PixelCounter a = new PixelCounter();
 217             return a.countNotWhitePixel(_sFile);
 218         }
 219
 220     public static int countNotBlackPixelsFromImage(String _sFile)
 221         throws java.io.IOException
 222         {
 223             PixelCounter a = new PixelCounter();
 224             return a.countNotBlackPixel(_sFile);
 225         }
 226
 227     // -----------------------------------------------------------------------------
 228
 229 //    public static void main(String[] args) {
 230 //
 231 //        String a = helper.StringHelper.createValueString(10, 4);
 232 //        int dummy = 1;
 233 ///*
 234 // BorderRemover a = new BorderRemover();
 235 //        try
 236 //        {
 237 //            a.createNewImageWithoutBorder(args[0], args[1]);
 238 //        }
 239 //        catch(java.io.IOException e)
 240 //        {
 241 //            System.out.println("Exception caught.");
 242 //        }
 243 // */
 244 //    }
 245 }
 246
 247