com.aspose.imaging.imageoptions

Constructor Detail

• Jpeg2000Options

  public Jpeg2000Options()

  Initializes a new instance of the Jpeg2000Options class.

• Jpeg2000Options

  public Jpeg2000Options(Jpeg2000Options jpeg2000Options)

  Initializes a new instance of the Jpeg2000Options class.

  Parameters:

  jpeg2000Options - The Jpeg2000 file format options to copy settings from.

Method Detail

• getXmpData

  public XmpPacketWrapper getXmpData()

  Gets or sets the XMP metadata container.

  Overrides:

  getXmpData in class ImageOptionsBase

  Returns:

  The XMP data container.

• setXmpData

  public void setXmpData(XmpPacketWrapper value)

  Gets or sets the XMP metadata container.

  Overrides:

  setXmpData in class ImageOptionsBase

  Parameters:

  value - The XMP data container.

• getComments

  public String[] getComments()

  Gets or sets the Jpeg comment markers.

  Returns:

  The Jpeg comment markers.

• setComments

  public void setComments(String[] value)

  Gets or sets the Jpeg comment markers.

  Parameters:

  value - The Jpeg comment markers.

• getCodec

  public int getCodec()

  Gets or sets the JPEG2000 codec

  Returns:

  The JPEG2000 codec

  See Also:

  Jpeg2000Codec

• setCodec

  public void setCodec(int value)

  Gets or sets the JPEG2000 codec

  Parameters:

  value - The JPEG2000 codec

  See Also:

  Jpeg2000Codec

  Code example:

  This example shows how to create a PNG image and save it to JPEG2000 with the desired options.

  ---

  String dir = "c:\\temp\\";
  
  // Create a PNG image of 100x100 px.
  com.aspose.imaging.fileformats.png.PngImage pngImage = new com.aspose.imaging.fileformats.png.PngImage(100, 100);
  try {
      com.aspose.imaging.Graphics graphics = new com.aspose.imaging.Graphics(pngImage);
  
      // Fill the entire image in red.
      com.aspose.imaging.brushes.SolidBrush brush = new com.aspose.imaging.brushes.SolidBrush(com.aspose.imaging.Color.getRed());
      graphics.fillRectangle(brush, pngImage.getBounds());
  
      com.aspose.imaging.imageoptions.Jpeg2000Options saveOptions = new com.aspose.imaging.imageoptions.Jpeg2000Options();
  
      // Use the irreversible Discrete Wavelet Transform 9-7
      saveOptions.setIrreversible(true);
  
      // JP2 is the "container" format for JPEG 2000 codestreams.
      // J2K is raw compressed data, without a wrapper.
      saveOptions.setCodec(com.aspose.imaging.fileformats.jpeg2000.Jpeg2000Codec.J2K);
  
      // Save to a file
      pngImage.save(dir + "output.j2k", saveOptions);
  } finally {
      pngImage.dispose();
  }
  

  ---

• getCompressionRatios

  public int[] getCompressionRatios()

  Gets or sets the Array of compression ratio. Different compression ratios for successive layers. The rate specified for each quality level is the desired compression factor. Decreasing ratios required.

  Returns:

  The compression ratios.

• setCompressionRatios

  public void setCompressionRatios(int[] value)

  Gets or sets the Array of compression ratio. Different compression ratios for successive layers. The rate specified for each quality level is the desired compression factor. Decreasing ratios required.

  Parameters:

  value - The compression ratios.

• getIrreversible

  public boolean getIrreversible()

  Gets a value indicating whether use the irreversible DWT 9-7 (true) or use lossless DWT 5-3 compression (default).

  Returns:

  a value indicating whether use the irreversible DWT 9-7 (true) or use lossless DWT 5-3 compression

• setIrreversible

  public void setIrreversible(boolean value)

  Sets a value indicating whether use the irreversible DWT 9-7 (true) or use lossless DWT 5-3 compression (default).

  Parameters:

  value - a value indicating whether use the irreversible DWT 9-7 (true) or use lossless DWT 5-3 compression

  Code example:

  This example shows how to create a PNG image and save it to JPEG2000 with the desired options.

  ---

  String dir = "c:\\temp\\";
  
  // Create a PNG image of 100x100 px.
  com.aspose.imaging.fileformats.png.PngImage pngImage = new com.aspose.imaging.fileformats.png.PngImage(100, 100);
  try {
      com.aspose.imaging.Graphics graphics = new com.aspose.imaging.Graphics(pngImage);
  
      // Fill the entire image in red.
      com.aspose.imaging.brushes.SolidBrush brush = new com.aspose.imaging.brushes.SolidBrush(com.aspose.imaging.Color.getRed());
      graphics.fillRectangle(brush, pngImage.getBounds());
  
      com.aspose.imaging.imageoptions.Jpeg2000Options saveOptions = new com.aspose.imaging.imageoptions.Jpeg2000Options();
  
      // Use the irreversible Discrete Wavelet Transform 9-7
      saveOptions.setIrreversible(true);
  
      // JP2 is the "container" format for JPEG 2000 codestreams.
      // J2K is raw compressed data, without a wrapper.
      saveOptions.setCodec(com.aspose.imaging.fileformats.jpeg2000.Jpeg2000Codec.J2K);
  
      // Save to a file
      pngImage.save(dir + "output.j2k", saveOptions);
  } finally {
      pngImage.dispose();
  }
  

  ---