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);
}
/**
* Register the "RecodeNoData" image operation to the operation registry of the specified JAI
* instance.
*/
public static void register(final JAI jai) {
final OperationRegistry registry = jai.getOperationRegistry();
try {
registry.registerDescriptor(new Descriptor());
registry.registerFactory(
RenderedRegistryMode.MODE_NAME, OPERATION_NAME, "geotools.org", new CRIF());
} catch (IllegalArgumentException exception) {
final LogRecord record =
Loggings.format(Level.SEVERE, LoggingKeys.CANT_REGISTER_JAI_OPERATION_$1, OPERATION_NAME);
record.setSourceMethodName("<classinit>");
record.setThrown(exception);
record.setLoggerName(LOGGER.getName());
LOGGER.log(record);
}
}
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;
}
