qadevOOo/runner/graphical/PixelCounter.java

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  30
  31 package graphical;
  32
  33
  34 // -----------------------------------------------------------------------------
  35 abstract class CountPixel
  36 {
  37     protected int m_nCount = 0;
  38     public int getCount() {return m_nCount;}
  39     public abstract void count(int _nRGB);
  40 }
  41
  42 // -----------------------------------------------------------------------------
  43 class CountNotWhite extends CountPixel
  44 {
  45     public CountNotWhite()
  46         {
  47             // System.out.println("CountWhite()");
  48         }
  49
  50     public void countold(final int pixel)
  51         {
  52             // final int alpha = (pixel >> 24) & 0xff;
  53             final int red   = (pixel >> 16) & 0xff;
  54             final int green = (pixel >>  8) & 0xff;
  55             final int blue  = (pixel      ) & 0xff;
  56
  57             // System.out.println(String.valueOf(red) + ":" + String.valueOf(green) + ":" + String.valueOf(blue));
  58             if (red == 0xff && green == 0xff && blue == 0xff)
  59             {
  60                 return;
  61             }
  62             ++m_nCount;
  63         }
  64     public void count(final int pixel)
  65         {
  66             // final int alpha = (pixel >> 24) & 0xff;
  67             final int blue  = (pixel      ) & 0xff;
  68             if (blue != 0xff)
  69             {
  70                 ++m_nCount;
  71                 return;
  72             }
  73             final int green = (pixel >>  8) & 0xff;
  74             if (green != 0xff)
  75             {
  76                 ++m_nCount;
  77                 return;
  78             }
  79             final int red   = (pixel >> 16) & 0xff;
  80             if (red != 0xff)
  81             {
  82                 ++m_nCount;
  83                 return;
  84             }
  85         }
  86 }
  87
  88 // -----------------------------------------------------------------------------
  89 class CountNotBlack extends CountPixel
  90 {
  91     public CountNotBlack()
  92         {
  93             // System.out.println("CountBlack()");
  94         }
  95
  96     public void countold(final int pixel)
  97         {
  98             // final int alpha = (pixel >> 24) & 0xff;
  99             final int red   = (pixel >> 16) & 0xff;
 100             final int green = (pixel >>  8) & 0xff;
 101             final int blue  = (pixel      ) & 0xff;
 102
 103             if (red == 0x00 && green == 0x00 && blue == 0x00)
 104             {
 105                 return;
 106             }
 107             ++m_nCount;
 108         }
 109     public void count(final int pixel)
 110         {
 111             // final int alpha = (pixel >> 24) & 0xff;
 112             final int blue  = (pixel      ) & 0xff;
 113             if (blue != 0x00)
 114             {
 115                 ++m_nCount;
 116                 return;
 117             }
 118             final int green = (pixel >>  8) & 0xff;
 119             if (green != 0x00)
 120             {
 121                 ++m_nCount;
 122                 return;
 123             }
 124             final int red   = (pixel >> 16) & 0xff;
 125             if (red != 0x00)
 126             {
 127                 ++m_nCount;
 128                 return;
 129             }
 130         }
 131 }
 132
 133 // -----------------------------------------------------------------------------
 134 class graphics_stuff
 135 {
 136 //    public int stuff()
 137 //        {
 138 //// (1) decoding
 139 //            int rgba = 0; // ...; // comes from PixelGrabber, BufferedImage.getRGB etc.
 140 //            int red = (rgba >> 16) & 0xff;
 141 //            int green = (rgba >> 8) & 0xff;
 142 //            int blue = rgba & 0xff;
 143 //            int alpha = (rgba >> 24) & 0xff;
 144 //// (2) now modify red, green, blue and alpha as you like;
 145 ////     make sure that each of the four values stays in the
 146 ////     interval 0 to 255
 147 ////            ...
 148 //// (3) and encode back to an int, e.g. to give it to MemoryImageSource or
 149 ////     BufferedImage.setRGB
 150 //                rgba = (alpha << 24) | (red << 16) | (green << 8) | blue;
 151 //                return 0;
 152 //        }
 153
 154 //    public static void handlesinglepixel(int x, int y, int pixel)
 155 //        {
 156 //            int alpha = (pixel >> 24) & 0xff;
 157 //            int red   = (pixel >> 16) & 0xff;
 158 //            int green = (pixel >>  8) & 0xff;
 159 //            int blue  = (pixel      ) & 0xff;
 160 //            // Deal with the pixel as necessary...
 161 //        }
 162
 163     public static void countPixel(ImageHelper img, int _x, int _y, int _w, int _h, CountPixel _aPixelCounter)
 164         {
 165             for (int y = 0; y < _h; y++) {
 166                 for (int x = 0; x < _w; x++) {
 167                     // handlesinglepixel(x+i, y+j, pixels[j * w + i]);
 168                     _aPixelCounter.count(img.getPixel(x,y));
 169                 }
 170             }
 171         }
 172     public static int countNotWhitePixel(ImageHelper _aImage)
 173         {
 174             final int w = _aImage.getWidth();
 175             final int h = _aImage.getHeight();
 176
 177             CountPixel aCountNotWhite = new CountNotWhite();
 178             countPixel(_aImage, 0, 0, w, h, aCountNotWhite);
 179             return aCountNotWhite.getCount();
 180         }
 181
 182     public static int countNotBlackPixel(ImageHelper _aImage)
 183         {
 184             final int w = _aImage.getWidth();
 185             final int h = _aImage.getHeight();
 186
 187             CountPixel aCountNotBlack = new CountNotBlack();
 188             countPixel(_aImage, 0, 0, w, h, aCountNotBlack);
 189             return aCountNotBlack.getCount();
 190         }
 191 }
 192
 193 // -----------------------------------------------------------------------------
 194
 195 public class PixelCounter {
 196     // private Image m_aImage;
 197     // ImageHelper m_aImage;
 198
 199
 200     public int countNotWhitePixel(String _sFile)
 201         throws java.io.IOException
 202         {
 203             ImageHelper aImage = ImageHelper.createImageHelper(_sFile);
 204             final int nw = graphics_stuff.countNotWhitePixel(aImage);
 205             return nw;
 206         }
 207
 208     public int countNotBlackPixel(String _sFile)
 209         throws java.io.IOException
 210         {
 211             ImageHelper aImage = ImageHelper.createImageHelper(_sFile);
 212             final int nw = graphics_stuff.countNotBlackPixel(aImage);
 213             return nw;
 214         }
 215
 216     public static int countNotWhitePixelsFromImage(String _sFile)
 217         throws java.io.IOException
 218         {
 219             PixelCounter a = new PixelCounter();
 220             return a.countNotWhitePixel(_sFile);
 221         }
 222
 223     public static int countNotBlackPixelsFromImage(String _sFile)
 224         throws java.io.IOException
 225         {
 226             PixelCounter a = new PixelCounter();
 227             return a.countNotBlackPixel(_sFile);
 228         }
 229
 230     // -----------------------------------------------------------------------------
 231
 232 //    public static void main(String[] args) {
 233 //
 234 //        String a = helper.StringHelper.createValueString(10, 4);
 235 //        int dummy = 1;
 236 ///*
 237 // BorderRemover a = new BorderRemover();
 238 //        try
 239 //        {
 240 //            a.createNewImageWithoutBorder(args[0], args[1]);
 241 //        }
 242 //        catch(java.io.IOException e)
 243 //        {
 244 //            System.out.println("Exception caught.");
 245 //        }
 246 // */
 247 //    }
 248 }
 249
 250