Exemple #1
0
  /**
   * Method to change bands order only on the BufferedImage.
   *
   * @param bufferedImage
   * @return new bufferedImage
   */
  public Image invertRGB(BufferedImage bufferedImage, String bands) {

    ColorModel colorModel = bufferedImage.getColorModel();

    if (colorModel instanceof DirectColorModel) {
      DirectColorModel directColorModel = (DirectColorModel) colorModel;
      int red = directColorModel.getRedMask();
      int blue = directColorModel.getBlueMask();
      int green = directColorModel.getGreenMask();
      int alpha = directColorModel.getAlphaMask();

      int[] components = new int[3];
      String bds = bands.toLowerCase();
      components[0] = getComponent(bds.charAt(0), red, green, blue);
      components[1] = getComponent(bds.charAt(1), red, green, blue);
      components[2] = getComponent(bds.charAt(2), red, green, blue);

      directColorModel =
          new DirectColorModel(32, components[0], components[1], components[2], alpha);
      ColorProcessor colorProcessor = new ColorProcessor(bufferedImage);
      colorProcessor.setColorModel(directColorModel);

      return colorProcessor.createImage();
    }
    return bufferedImage;
  }
 private void writeDirectColorModel(DataOutput out, DirectColorModel colorModel)
     throws IOException {
   out.writeInt(colorModel.getPixelSize());
   out.writeInt(colorModel.getRedMask());
   out.writeInt(colorModel.getGreenMask());
   out.writeInt(colorModel.getBlueMask());
   out.writeInt(colorModel.getAlphaMask());
 }
 public static boolean isFilterableDCM(ColorModel cm) {
   if (cm instanceof DirectColorModel) {
     DirectColorModel dcm = (DirectColorModel) cm;
     return (isMaskOK(dcm.getAlphaMask(), true)
         && isMaskOK(dcm.getRedMask(), false)
         && isMaskOK(dcm.getGreenMask(), false)
         && isMaskOK(dcm.getBlueMask(), false));
   }
   return false;
 }
  private static boolean isBgrColorModel(ColorModel cm) {
    if (cm instanceof DirectColorModel && cm.getTransferType() == DataBuffer.TYPE_INT) {
      DirectColorModel directCM = (DirectColorModel) cm;

      return directCM.getRedMask() == 0x000000FF
          && directCM.getGreenMask() == 0x0000FF00
          && directCM.getBlueMask() == 0x00FF0000
          && (directCM.getNumComponents() == 3 || directCM.getAlphaMask() == 0xFF000000);
    }

    return false;
  }