Examples of java.awt.image.renderable.RenderableImage

java.awt.image.renderable.RenderableImage
A RenderableImage is a common interface for rendering-independent images (a notion which subsumes resolution independence). That is, images which are described and have operations applied to them independent of any specific rendering of the image. For example, a RenderableImage can be rotated and cropped in resolution-independent terms. Then, it can be rendered for various specific contexts, such as a draft preview, a high-quality screen display, or a printer, each in an optimal fashion.
A RenderedImage is returned from a RenderableImage via the createRendering() method, which takes a RenderContext. The RenderContext specifies how the RenderedImage should be constructed. Note that it is not possible to extract pixels directly from a RenderableImage.
The createDefaultRendering() and createScaledRendering() methods are convenience methods that construct an appropriate RenderContext internally. All of the rendering methods may return a reference to a previously produced rendering.

     * @return the minimum X coordinate of the rendering-independent image
     * data.
     */
    public float getRenderableMinX(Long id) throws RemoteException {


  RenderableImage ri = (RenderableImage)nodes.get(id);
  return ri.getMinX();
    }

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     *
     * @return the minimum X coordinate of the rendering-independent image
     * data.
     */
    public float getRenderableMinY(Long id) throws RemoteException {
  RenderableImage ri = (RenderableImage)nodes.get(id);
  return ri.getMinY();
    }

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     * <code>RenderableImage</code> stored against the given ID.
     *
     * @return the width of the renderable image in user coordinates.
     */
    public float getRenderableWidth(Long id) throws RemoteException {
  RenderableImage ri = (RenderableImage)nodes.get(id);
  return ri.getWidth();
    }

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     * <code>RenderableImage</code> stored against the given ID.
     *
     * @return the height of the renderable image in user coordinates.
     */
    public float getRenderableHeight(Long id) throws RemoteException {
  RenderableImage ri = (RenderableImage)nodes.get(id);
  return ri.getHeight();
    }

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                 int w,
                 int h,
                 SerializableState hintsState)
  throws RemoteException {


  RenderableImage ri = (RenderableImage)nodes.get(id);
  RenderingHints hints = (RenderingHints)hintsState.getObject();
  RenderedImage rendering = ri.createScaledRendering(w, h, hints);
  if (rendering instanceof Serializable) {
      return rendering;
  } else {
      return new SerializableRenderedImage(rendering);
  }

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     * @return a RenderedImage containing the rendered data.
     */
    public RenderedImage createDefaultRendering(Long id)
  throws RemoteException {


  RenderableImage ri = (RenderableImage)nodes.get(id);
  RenderedImage rendering = ri.createDefaultRendering();
  if (rendering instanceof Serializable) {
      return rendering;
  } else {
      return new SerializableRenderedImage(rendering);
  }

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     */
    public RenderedImage createRendering(Long id,
           SerializableState renderContextState)
  throws RemoteException {


  RenderableImage ri = (RenderableImage)nodes.get(id);
  RenderContext renderContext =
      (RenderContext)renderContextState.getObject();
  RenderedImage rendering = ri.createRendering(renderContext);
  if (rendering instanceof Serializable) {
      return rendering;
  } else {
      return new SerializableRenderedImage(rendering);
  }

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     * arguments may produce different results for the node represented
     * by the given id.
     */
    public boolean isDynamic(Long id) throws RemoteException {


  RenderableImage node = (RenderableImage)nodes.get(id);
  return node.isDynamic();
    }

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        return new LanczosOpImage(source, layout, renderHints, scaleX, scaleY);
    }


    public Rectangle2D getBounds2D(ParameterBlock paramBlock) {


        RenderableImage source = paramBlock.getRenderableSource(0);


        double scaleX = paramBlock.getDoubleParameter(0);
        double scaleY = paramBlock.getDoubleParameter(1);


        // Get the source dimensions
        float x0 = (float) source.getMinX();
        float y0 = (float) source.getMinY();
        float w = (float) source.getWidth();
        float h = (float) source.getHeight();


        // Forward map the source using x0, y0, w and h
        float d_x0 = (float) (x0 * scaleX);
        float d_y0 = (float) (y0 * scaleY);
        float d_w = (float) (w * scaleX);

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     * Gets the bounding box for the output of <code>SubsampleBinaryToGrayOpImage</code>.
     * This method satisfies the implementation of CRIF.
     */
    public Rectangle2D getBounds2D(ParameterBlock paramBlock) {        


        RenderableImage source = paramBlock.getRenderableSource(0);


        float scale_x = paramBlock.getFloatParameter(0);
        float scale_y = paramBlock.getFloatParameter(1);


  // Get the source dimensions
  float x0 = (float)source.getMinX();
  float y0 = (float)source.getMinY() ;
  float w = (float)source.getWidth();
  float h = (float)source.getHeight();
  
  // Forward map the source using x0, y0, w and h
  float d_x0 = x0 * scale_x;
  float d_y0 = y0 * scale_y;
  float d_w = w * scale_x;

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