/**
* Reads a standard PNM file.
*
* <p>Creates a <code>ParameterBlockJAI</code> from all supplied arguments except <code>hints
* </code> and invokes {@link JAI#create(String,ParameterBlock,RenderingHints)}.
*
* @see JAI
* @see ParameterBlockJAI
* @see RenderedOp
* @param stream A SeekableStream representing the PNM file.
* @param hints The <code>RenderingHints</code> to use. May be <code>null</code>.
* @return The <code>RenderedOp</code> destination.
* @throws IllegalArgumentException if <code>stream</code> is <code>null</code>.
*/
public static RenderedOp create(SeekableStream stream, RenderingHints hints) {
ParameterBlockJAI pb = new ParameterBlockJAI("PNM", RenderedRegistryMode.MODE_NAME);
pb.setParameter("stream", stream);
return JAI.create("PNM", pb, hints);
}
/**
* Reflects an image in a specified direction or rotates an image in multiples of 90 degrees.
*
* <p>Creates a <code>ParameterBlockJAI</code> from all supplied arguments except <code>hints
* </code> and invokes {@link JAI#create(String,ParameterBlock,RenderingHints)}.
*
* @see JAI
* @see ParameterBlockJAI
* @see RenderedOp
* @param source0 <code>RenderedImage</code> source 0.
* @param type The The type of flip operation to be performed.
* @param hints The <code>RenderingHints</code> to use. May be <code>null</code>.
* @return The <code>RenderedOp</code> destination.
* @throws IllegalArgumentException if <code>source0</code> is <code>null</code>.
* @throws IllegalArgumentException if <code>type</code> is <code>null</code>.
*/
public static RenderedOp create(RenderedImage source0, TransposeType type, RenderingHints hints) {
ParameterBlockJAI pb = new ParameterBlockJAI("Transpose", RenderedRegistryMode.MODE_NAME);
pb.setSource("source0", source0);
pb.setParameter("type", type);
return JAI.create("Transpose", pb, hints);
}
/**
* Applies a piecewise pixel value mapping.
*
* <p>Creates a <code>ParameterBlockJAI</code> from all supplied arguments except <code>hints
* </code> and invokes {@link JAI#createRenderable(String,ParameterBlock,RenderingHints)}.
*
* @see JAI
* @see ParameterBlockJAI
* @see RenderableOp
* @param source0 <code>RenderableImage</code> source 0.
* @param breakPoints The breakpoint array. May be <code>null</code>.
* @param hints The <code>RenderingHints</code> to use. May be <code>null</code>.
* @return The <code>RenderableOp</code> destination.
* @throws IllegalArgumentException if <code>source0</code> is <code>null</code>.
*/
public static RenderableOp createRenderable(
RenderableImage source0, float[][][] breakPoints, RenderingHints hints) {
ParameterBlockJAI pb = new ParameterBlockJAI("Piecewise", RenderableRegistryMode.MODE_NAME);
pb.setSource("source0", source0);
pb.setParameter("breakPoints", breakPoints);
return JAI.createRenderable("Piecewise", pb, hints);
}
private static BufferedImage getGaussianBlur(int size, BufferedImage image) {
KernelJAI kernel = Functions.getGaussKernel(size / 3.0);
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add(kernel);
RenderingHints hints =
new RenderingHints(
JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));
hints.add(JAIContext.noCacheHint);
return JAI.create("LCSeparableConvolve", pb, hints).getAsBufferedImage();
}
private BufferedImage cropScaleGrayscale(Rectangle visibleRect, RenderedImage image) {
int minX = image.getMinX();
int minY = image.getMinY();
int width = image.getWidth();
int height = image.getHeight();
Rectangle bounds = new Rectangle(minX, minY, width, height);
visibleRect = bounds.intersection(visibleRect);
if (bounds.contains(visibleRect)) {
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add((float) visibleRect.x);
pb.add((float) visibleRect.y);
pb.add((float) visibleRect.width);
pb.add((float) visibleRect.height);
image = JAI.create("Crop", pb, JAIContext.noCacheHint);
}
Dimension previewSize = getSize();
if ((visibleRect.width > previewSize.width) || (visibleRect.height > previewSize.height)) {
float scale =
Math.min(
previewSize.width / (float) visibleRect.width,
previewSize.height / (float) visibleRect.height);
image = ConvolveDescriptor.create(image, Functions.getGaussKernel(.25 / scale), null);
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add(scale);
pb.add(scale);
image = JAI.create("Scale", pb, JAIContext.noCacheHint);
}
image = Functions.toColorSpace(image, JAIContext.systemColorSpace, null);
if (image.getSampleModel().getDataType() == DataBuffer.TYPE_USHORT) {
image = Functions.fromUShortToByte(image, null);
}
return Functions.toFastBufferedImage(image);
}
/**
* Returns the specified property.
*
* @param name Property name.
* @param opNode Operation node.
*/
public Object getProperty(String name, Object opNode) {
validate(name, opNode);
if (opNode instanceof RenderedOp && name.equalsIgnoreCase("roi")) {
RenderedOp op = (RenderedOp) opNode;
ParameterBlock pb = op.getParameterBlock();
// Retrieve the rendered source image and its ROI.
PlanarImage src = (PlanarImage) pb.getRenderedSource(0);
Object property = src.getProperty("ROI");
if (property == null
|| property.equals(java.awt.Image.UndefinedProperty)
|| !(property instanceof ROI)) {
return java.awt.Image.UndefinedProperty;
}
// Return undefined also if source ROI is empty.
ROI srcROI = (ROI) property;
if (srcROI.getBounds().isEmpty()) {
return java.awt.Image.UndefinedProperty;
}
/// This should really create a proper AffineTransform
/// and transform the ROI with it to avoid forcing
/// ROI.getAsImage to be called.
// Retrieve the transpose type and create a nearest neighbor
// Interpolation object.
TransposeType transposeType = (TransposeType) pb.getObjectParameter(0);
Interpolation interp = Interpolation.getInstance(Interpolation.INTERP_NEAREST);
// Return the transposed ROI.
return new ROI(JAI.create("transpose", srcROI.getAsImage(), transposeType));
}
return java.awt.Image.UndefinedProperty;
}
public PlanarImage setFront() {
if (chroma_domain == 0 && chroma_range == 0 && luma_domain == 0 && luma_range == 0)
return back;
PlanarImage front = back;
ColorScience.LinearTransform transform = new ColorScience.YST();
double[][] rgb2yst = transform.fromRGB(back.getSampleModel().getDataType());
double[][] yst2rgb = transform.toRGB(back.getSampleModel().getDataType());
ParameterBlock pb = new ParameterBlock();
pb.addSource(back);
pb.add(rgb2yst);
RenderedOp ystImage = JAI.create("BandCombine", pb, null);
RenderingHints mfHints =
new RenderingHints(
JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));
if (chroma_domain != 0 && chroma_range != 0) {
pb = new ParameterBlock();
pb.addSource(ystImage);
pb.add(chroma_domain * scale);
pb.add(0.02f + 0.001f * chroma_domain);
// pb.add(0.1f);
ystImage = JAI.create("BilateralFilter", pb, mfHints);
ystImage.setProperty(JAIContext.PERSISTENT_CACHE_TAG, Boolean.TRUE);
}
if (luma_domain != 0 && luma_range != 0) {
pb = new ParameterBlock();
pb.addSource(ystImage);
pb.add(new int[] {0});
RenderedOp y = JAI.create("bandselect", pb, null);
pb = new ParameterBlock();
pb.addSource(ystImage);
pb.add(new int[] {1, 2});
RenderedOp cc = JAI.create("bandselect", pb, JAIContext.noCacheHint);
pb = new ParameterBlock();
pb.addSource(y);
pb.add((2 + luma_domain / 10f) * scale);
pb.add(0.005f * luma_domain);
y = JAI.create("BilateralFilter", pb, mfHints);
RenderingHints layoutHints =
new RenderingHints(JAI.KEY_IMAGE_LAYOUT, Functions.getImageLayout(ystImage));
pb = new ParameterBlock();
pb.addSource(y);
pb.addSource(cc);
layoutHints.add(JAIContext.noCacheHint);
ystImage = JAI.create("BandMerge", pb, layoutHints);
}
pb = new ParameterBlock();
pb.addSource(ystImage);
pb.add(yst2rgb);
front = JAI.create("BandCombine", pb, null);
front.setProperty(JAIContext.PERSISTENT_CACHE_TAG, Boolean.TRUE);
return front;
}
