Examples of net.sourceforge.jiu.data.PixelImage

net.sourceforge.jiu.data.PixelImage
The base interface for all image data types in JIU. These image data classes and interfaces share the following properties:
- They are made up of a rectangular grid of pixels (color dots) and have a fixed width (horizontal number of pixels) and height (vertical number of pixels).
- Coordinates to access pixels in the image are defined to run from 0 to WIDTH - 1 in horizontal direction from left to right and in vertical direction from 0 to HEIGHT - 1 (from top to bottom).
- They have one or more channels. A pixel at a given position is made up of the samples (primitive values) of all the channels at that position. A pixel can thus be considered a vector (in the mathematical sense) of one or more samples. Each channel has the same width and height.
@author Marco Schmidt

  public void process() throws
    MissingParameterException,
    WrongParameterException
  {
    ensureInputImageIsAvailable();
    PixelImage in = getInputImage();
    ensureOutputImageResolution(computeNewImageWidth(in.getWidth(), in.getHeight(), getAngle()), in.getHeight());
    if (in instanceof IntegerImage)
    {
      process((IntegerImage)in, (IntegerImage)getOutputImage());
    }
    else

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    WrongParameterException
  {
    ensureInputImageIsAvailable();
    if (outWidth == null && outHeight == null && getOutputImage() != null)
    {
      PixelImage out = getOutputImage();
      outWidth = new Integer(out.getWidth());
      outHeight = new Integer(out.getHeight());
    }
    if (outWidth == null)
    {
      throw new MissingParameterException("Output width has not been initialized");
    }
    if (outHeight == null)
    {
      throw new MissingParameterException("Output height has not been initialized");
    }
    PixelImage image = getInputImage();
    if (image.getWidth() == outWidth.intValue() && 
        image.getHeight() == outHeight.intValue())
    {
      throw new WrongParameterException("Input image already has the size specified by setSize.");
    }
    ensureOutputImageResolution(outWidth.intValue(), outHeight.intValue());
    if (image instanceof IntegerImage)

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  public void prepareImages() throws
    MissingParameterException,
    WrongParameterException
  {
    ensureInputImageIsAvailable();
    PixelImage in = getInputImage();
    if (!(in instanceof IntegerImage))
    {
      throw new WrongParameterException("Input image must be of type IntegerImage.");
    }
    PixelImage out = getOutputImage();
    if (out == null)
    {
      out = in.createCompatibleImage(in.getWidth(), in.getHeight());
      setOutputImage(out);
    }
    else
    {
      if (in.getNumChannels() != out.getNumChannels())
      {
        throw new WrongParameterException("Output image must have same number of channels as input image.");
      }
      ensureImagesHaveSameResolution();
    }

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  private void loadBilevelImage() throws
    InvalidFileStructureException,
    IOException,
    WrongParameterException
  {
    PixelImage image = getImage();
    if (image == null)
    {
      setImage(new MemoryBilevelImage(getBoundsWidth(), getBoundsHeight()));
    }
    else

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  private void loadGrayImage() throws InvalidFileStructureException, IOException, UnsupportedTypeException
  {
    final int WIDTH = getBoundsWidth();
    final int HEIGHT = getBoundsHeight();
    PixelImage pimage = getImage();
    if (pimage == null)
    {
      if (maxSample < 256)
      {
        pimage = new MemoryGray8Image(WIDTH, HEIGHT);

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    out = getOutputAsDataOutput();
    if (out == null)
    {
      throw new WrongParameterException("Cannot get a DataOutput object to use for saving.");
    }
    PixelImage pi = getImage();
    if (pi == null)
    {
      throw new MissingParameterException("Input image missing.");
    }
    if (!(pi instanceof IntegerImage))

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    MissingParameterException,
    WrongParameterException
  {
    ensureInputImageIsAvailable();
    ensureImagesHaveSameResolution();
    PixelImage in = getInputImage();
    if (in instanceof IntegerImage)
    {
      process((IntegerImage)in, (IntegerImage)getOutputImage());
    }
    else

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   * @throws WrongParameterException if input and output images exist and their 
   *  resolutions differ
   */
  public void ensureImagesHaveSameResolution() throws WrongParameterException
  {
    PixelImage in = getInputImage();
    PixelImage out = getOutputImage();
    if (in != null && out != null)
    {
      if (in.getWidth() != out.getWidth())
      {
        throw new WrongParameterException("Input and output image must have the same width.");
      }
      if (in.getHeight() != out.getHeight())
      {
        throw new WrongParameterException("Input and output image must have the same height.");
      }
    }
  }

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   * @param height the vertical pixel resolution that the output image must have
   * @throws WrongParameterException if the resolutions differ
   */
  public void ensureOutputImageResolution(int width, int height) throws WrongParameterException
  {
    PixelImage out = getOutputImage();
    if (out != null)
    {
      if (out.getWidth() != width)
      {
        throw new WrongParameterException("Output image must have width " + width + " (got: " + out.getWidth() + ").");
      }
      if (out.getHeight() != height)
      {
        throw new WrongParameterException("Output image must have height " + height + " (got: " + out.getHeight() + ").");
      }
    }
  }

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  public void process() throws
    MissingParameterException,
    WrongParameterException
  {
    PixelImage pin = getInputImage();
    if (pin == null)
    {
      throw new MissingParameterException("Input image object missing.");
    }
    if (!(pin instanceof IntegerImage))

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net.sourceforge.jiu.apps.ColorIndexer

net.sourceforge.jiu.apps.ImageLoadTester

net.sourceforge.jiu.apps.JiuBlur

net.sourceforge.jiu.apps.jiuconvert

net.sourceforge.jiu.apps.OperationProcessor

net.sourceforge.jiu.codecs.BMPCodec

net.sourceforge.jiu.codecs.GIFCodec

net.sourceforge.jiu.codecs.IFFCodec

net.sourceforge.jiu.codecs.ImageCodec

net.sourceforge.jiu.codecs.ImageLoader

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