예제 #1
0
  public ColorModelNode(String name, ColorModel colorModel) {
    super(name, colorModel);
    addClassChild();

    ColorSpace colorSpace = colorModel.getColorSpace();
    add(new ColorSpaceNode(colorSpace));

    int numColorComponents = colorModel.getNumColorComponents();
    addIntChild("numColorComponents", numColorComponents);

    int numComponents = colorModel.getNumComponents();
    addIntChild("numComponents", numComponents);

    boolean hasAlpha = colorModel.hasAlpha();
    addBooleanChild("hasAlpha", hasAlpha);

    int pixelSize = colorModel.getPixelSize();
    addIntChild("pixelSize", pixelSize);

    int transferType = colorModel.getTransferType();
    String transferTypeDescription = getTransferTypeDescription(transferType);
    addStringChild("transferType", transferTypeDescription);

    int transparency = colorModel.getTransparency();
    addStringChild("transparency", getTransparencyDescription(transparency));

    boolean isRGB = isRgbColorModel(colorModel);
    addBooleanChild("isRGB", isRGB);

    boolean isBGR = isBgrColorModel(colorModel);
    addBooleanChild("isBGR", isBGR);
  }
예제 #2
0
  public static void main(String args[]) {
    ColorModel cm =
        new ColorModel(32) {
          public int getAlpha(int pixel) {
            return 255;
          }

          public int getBlue(int pixel) {
            return 255;
          }

          public int getGreen(int pixel) {
            return 255;
          }

          public int getRed(int pixel) {
            return 255;
          }
        };

    cm.hasAlpha();
    cm.isAlphaPremultiplied();
    cm.getTransferType();
    cm.getPixelSize();
    cm.getComponentSize();
    cm.getComponentSize();
    cm.getTransparency();
    cm.getNumComponents();
    cm.getNumColorComponents();
    cm.getRed(20);
    cm.getGreen(20);
    cm.getBlue(20);
    cm.getAlpha(20);
    cm.getRGB(20);
    cm.isAlphaPremultiplied();
    cm.isAlphaPremultiplied();

    cm = ColorModel.getRGBdefault();
  }
예제 #3
0
  /** Tests the conversion between RGB and indexed color model. */
  @Test
  public void testRGB2Palette() {
    assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus());
    final ImageWorker worker = new ImageWorker(worldImage);
    show(worker, "Input file");
    worker.forceIndexColorModelForGIF(true);

    // Convert to to index color bitmask
    ColorModel cm = worker.getRenderedImage().getColorModel();
    assertTrue("wrong color model", cm instanceof IndexColorModel);
    assertEquals("wrong transparency model", Transparency.BITMASK, cm.getTransparency());
    assertEquals("wrong transparency index", 255, ((IndexColorModel) cm).getTransparentPixel());
    show(worker, "Paletted bitmask");

    // Go back to rgb.
    worker.forceComponentColorModel();
    cm = worker.getRenderedImage().getColorModel();
    assertTrue("wrong color model", cm instanceof ComponentColorModel);
    assertEquals("wrong bands number", 4, cm.getNumComponents());

    show(worker, "RGB translucent");
    assertEquals("wrong transparency model", Transparency.TRANSLUCENT, cm.getTransparency());
    show(worker, "RGB translucent");
  }
  public void write(BufferedImage image, AVList params) throws IOException {
    if (image == null) {
      String msg = Logging.getMessage("nullValue.ImageSource");
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    if (0 == image.getWidth() || 0 == image.getHeight()) {
      String msg =
          Logging.getMessage("generic.InvalidImageSize", image.getWidth(), image.getHeight());
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    if (null == params || 0 == params.getValues().size()) {
      String reason = Logging.getMessage("nullValue.AVListIsNull");
      Logging.logger().finest(Logging.getMessage("GeotiffWriter.GeoKeysMissing", reason));
      params = new AVListImpl();
    } else {
      this.validateParameters(params, image.getWidth(), image.getHeight());
    }

    // how we proceed in part depends upon the image type...
    int type = image.getType();

    // handle CUSTOM type which comes from our GeoTiffreader (for now)
    if (BufferedImage.TYPE_CUSTOM == type) {
      int numColorComponents = 0, numComponents = 0, pixelSize = 0, dataType = 0, csType = 0;
      boolean hasAlpha = false;

      if (null != image.getColorModel()) {
        ColorModel cm = image.getColorModel();

        numColorComponents = cm.getNumColorComponents();
        numComponents = cm.getNumComponents();
        pixelSize = cm.getPixelSize();
        hasAlpha = cm.hasAlpha();

        ColorSpace cs = cm.getColorSpace();
        if (null != cs) csType = cs.getType();
      }

      if (null != image.getSampleModel()) {
        SampleModel sm = image.getSampleModel();
        dataType = sm.getDataType();
      }

      if (dataType == DataBuffer.TYPE_FLOAT && pixelSize == Float.SIZE && numComponents == 1) {
        type = BufferedImage_TYPE_ELEVATION_FLOAT32;
      } else if (dataType == DataBuffer.TYPE_SHORT
          && pixelSize == Short.SIZE
          && numComponents == 1) {
        type = BufferedImage_TYPE_ELEVATION_SHORT16;
      } else if (ColorSpace.CS_GRAY == csType && pixelSize == Byte.SIZE) {
        type = BufferedImage.TYPE_BYTE_GRAY;
      } else if (dataType == DataBuffer.TYPE_USHORT
          && ColorSpace.CS_GRAY == csType
          && pixelSize == Short.SIZE) {
        type = BufferedImage.TYPE_USHORT_GRAY;
      } else if (ColorSpace.TYPE_RGB == csType
          && pixelSize == 3 * Byte.SIZE
          && numColorComponents == 3) {
        type = BufferedImage.TYPE_3BYTE_BGR;
      } else if (ColorSpace.TYPE_RGB == csType
          && hasAlpha
          && pixelSize == 4 * Byte.SIZE
          && numComponents == 4) {
        type = BufferedImage.TYPE_4BYTE_ABGR;
      }
    }

    switch (type) {
      case BufferedImage.TYPE_3BYTE_BGR:
      case BufferedImage.TYPE_4BYTE_ABGR:
      case BufferedImage.TYPE_4BYTE_ABGR_PRE:
      case BufferedImage.TYPE_INT_RGB:
      case BufferedImage.TYPE_INT_BGR:
      case BufferedImage.TYPE_INT_ARGB:
      case BufferedImage.TYPE_INT_ARGB_PRE:
        {
          this.writeColorImage(image, params);
        }
        break;

      case BufferedImage.TYPE_USHORT_GRAY:
      case BufferedImage.TYPE_BYTE_GRAY:
        {
          this.writeGrayscaleImage(image, params);
        }
        break;

      case BufferedImage_TYPE_ELEVATION_SHORT16:
      case BufferedImage_TYPE_ELEVATION_FLOAT32:
        {
          String msg = Logging.getMessage("GeotiffWriter.FeatureNotImplementedd", type);
          Logging.logger().severe(msg);
          throw new IllegalArgumentException(msg);
        }
        //            break;

      case BufferedImage.TYPE_CUSTOM:
      default:
        {
          ColorModel cm = image.getColorModel();
          SampleModel sm = image.getSampleModel();

          StringBuffer sb =
              new StringBuffer(Logging.getMessage("GeotiffWriter.UnsupportedType", type));

          sb.append("\n");
          sb.append("NumBands=").append(sm.getNumBands()).append("\n");
          sb.append("NumDataElements=").append(sm.getNumDataElements()).append("\n");
          sb.append("NumColorComponents=").append(cm.getNumColorComponents()).append("\n");
          sb.append("NumComponents=").append(cm.getNumComponents()).append("\n");
          sb.append("PixelSize=").append(cm.getPixelSize()).append("\n");
          sb.append("hasAlpha=").append(cm.hasAlpha());

          String msg = sb.toString();
          Logging.logger().severe(msg);
          throw new IllegalArgumentException(msg);
        }
    }
  }