Examples of java.awt.image.renderable.ParameterBlock

java.awt.image.renderable.ParameterBlock
A ParameterBlock encapsulates all the information about sources and parameters (Objects) required by a RenderableImageOp, or other classes that process images.
Although it is possible to place arbitrary objects in the source Vector, users of this class may impose semantic constraints such as requiring all sources to be RenderedImages or RenderableImage. ParameterBlock itself is merely a container and performs no checking on source or parameter types.
All parameters in a ParameterBlock are objects; convenience add and set methods are available that take arguments of base type and construct the appropriate subclass of Number (such as Integer or Float). Corresponding get methods perform a downward cast and have return values of base type; an exception will be thrown if the stored values do not have the correct type. There is no way to distinguish between the results of "short s; add(s)" and "add(new Short(s))".
Note that the get and set methods operate on references. Therefore, one must be careful not to share references between ParameterBlocks when this is inappropriate. For example, to create a new ParameterBlock that is equal to an old one except for an added source, one might be tempted to write:
```
 ParameterBlock addSource(ParameterBlock pb, RenderableImage im) { ParameterBlock pb1 = new ParameterBlock(pb.getSources()); pb1.addSource(im); return pb1; } 
```
This code will have the side effect of altering the original ParameterBlock, since the getSources operation returned a reference to its source Vector. Both pb and pb1 share their source Vector, and a change in either is visible to both.
A correct way to write the addSource function is to clone the source Vector:
```
 ParameterBlock addSource (ParameterBlock pb, RenderableImage im) { ParameterBlock pb1 = new ParameterBlock(pb.getSources().clone()); pb1.addSource(im); return pb1; } 
```
The clone method of ParameterBlock has been defined to perform a clone of both the source and parameter Vectors for this reason. A standard, shallow clone is available as shallowClone.
The addSource, setSource, add, and set methods are defined to return 'this' after adding their argument. This allows use of syntax like:
```
 ParameterBlock pb = new ParameterBlock(); op = new RenderableImageOp("operation", pb.add(arg1).add(arg2)); 
```

            ColorScience.YST yst = new ColorScience.YST();


            double[][] rgb2yst = yst.fromRGB(back.getSampleModel().getDataType());
            double[][] yst2rgb = yst.toRGB(back.getSampleModel().getDataType());


            ParameterBlock pb = new ParameterBlock();
            pb.addSource( back );
            pb.add( rgb2yst );
            RenderedOp ystImage = JAI.create("BandCombine", pb, null);


            pb = new ParameterBlock();
            pb.addSource(ystImage);
            pb.add(new int[]{1, 2});
            RenderedOp cc = JAI.create("bandselect", pb, JAIContext.noCacheHint);


            RenderingHints extenderHints = new RenderingHints(JAI.KEY_BORDER_EXTENDER,
                                                              BorderExtender.createInstance(BorderExtender.BORDER_COPY));
            pb = new ParameterBlock();
            pb.addSource(LuminanceUSMProcessorInstance.process(back));
            pb.addSource(Functions.gaussianBlur(back, rendering, op, LuminanceUSMProcessorInstance, radius * scale));
            pb.add(amount/100.0);
            pb.add((int) threshold);
            RenderedOp usm = JAI.create("LCUnSharpMask", pb, extenderHints);
            usm.setProperty(JAIContext.PERSISTENT_CACHE_TAG, Boolean.TRUE);


            pb = new ParameterBlock();
            pb.addSource(usm);
            pb.add(getTable());
            RenderedOp invLookup = JAI.create("lookup", pb, JAIContext.noCacheHint);


            RenderingHints layoutHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, Functions.getImageLayout(ystImage));
            pb = new ParameterBlock();
            pb.addSource(invLookup);
            pb.addSource(cc);
            layoutHints.add(JAIContext.noCacheHint);
            RenderedOp denoisedyst = JAI.create("BandMerge", pb, layoutHints);


            pb = new ParameterBlock();
            pb.addSource( denoisedyst );
            pb.add( yst2rgb );
            return JAI.create("BandCombine", pb, JAIContext.noCacheHint);
        }

View Full Code Here

            if (lastBack.get() != back || mask.get() == null || depth != last_radius || fuzz != last_fuzz) {
                RenderedImage singleChannel;
                if (back.getColorModel().getNumComponents() == 3) {
                    double[][] yChannel = new double[][]{{ColorScience.Wr, ColorScience.Wg, ColorScience.Wb, 0}};


                    ParameterBlock pb = new ParameterBlock();
                    pb.addSource( back );
                    pb.add( yChannel );
                    singleChannel = JAI.create("BandCombine", pb, null);
                } else
                    singleChannel = back;


                BorderExtender copyExtender = BorderExtender.createInstance(BorderExtender.BORDER_COPY);
                RenderingHints extenderHints = new RenderingHints(JAI.KEY_BORDER_EXTENDER, copyExtender);


                PlanarImage maskImage = new FastBilateralFilterOpImage(singleChannel,
                                                                       JAIContext.fileCacheHint,
                                                                       (float) (depth * scale), 0.1f);


                ParameterBlock pb = new ParameterBlock();
                pb.addSource(maskImage);
                pb.add(new int[]{0});
                maskImage = JAI.create("bandselect", pb, null);


                if (fuzz > 0.1) {
                    KernelJAI kernel = Functions.getGaussKernel(10 * (fuzz - 0.1) * scale);
                    pb = new ParameterBlock();
                    pb.addSource(maskImage);
                    pb.add(kernel);
                    maskImage = JAI.create("LCSeparableConvolve", pb, extenderHints);
                }


                last_radius = fuzz;
                last_fuzz = detail;

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            for (int i = 0; i < 0x10000; i++)
                table[2][i] = (short) (0xffff & (int) Math.min(Math.max(i + 0xff * interpolator.interpolate(i / (double) 0xffff, blueCurve), 0), 0xffff));


            LookupTableJAI lookupTable = new LookupTableJAI(table, true);


            ParameterBlock pb = new ParameterBlock();
            pb.addSource(image);
            pb.add(lookupTable);
            return JAI.create("lookup", pb, null);
        } else
            return image;
    }

View Full Code Here

                RenderedOp rop = (RenderedOp) printImage;
                rop.setRenderingHint(JAI.KEY_TILE_CACHE, JAIContext.defaultTileCache);
            }


            if (fakeLandscape) {
                ParameterBlock params = new ParameterBlock();
                params.addSource(printImage);
                params.add(TransposeDescriptor.ROTATE_90);
                printImage = JAI.create("Transpose", params, null);
            }


            if (printResolution != PRINTER_RESOLUTION) {
                double scale = PRINTER_RESOLUTION / printResolution;


                System.out.println("Uprezzing by " + scale * 100 + '%');


                AffineTransform xform = AffineTransform.getScaleInstance(scale, scale);


                RenderingHints formatHints = new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));


                // Do not recycle these tiles, the canvas will cache them
                // formatHints.add(new RenderingHints(JAI.KEY_CACHED_TILE_RECYCLING_ENABLED, Boolean.FALSE));


                Interpolation interp = Interpolation.getInstance(Interpolation.INTERP_BICUBIC_2);
                ParameterBlock params = new ParameterBlock();
                params.addSource(printImage);
                params.add(xform);
                params.add(interp);
                printImage = JAI.create("Affine", params, formatHints);
            }


            if (!printCancelled) {
                System.out.println("print image bounds: " + printImage.getBounds());

View Full Code Here

        public RenderedOp process(RenderedImage source) {
            RenderedImage singleChannel;
            if (source.getColorModel().getNumComponents() == 3) {
                double[][] yChannel = new double[][]{{ColorScience.Wr, ColorScience.Wg, ColorScience.Wb, 0}};


                ParameterBlock pb = new ParameterBlock();
                pb.addSource( source );
                pb.add( yChannel );
                singleChannel = JAI.create("BandCombine", pb, null);
            } else
                singleChannel = source;


            RenderedOp invert = JAI.create("Not", singleChannel, JAIContext.noCacheHint);       // Invert
            LookupTableJAI table = computeGammaTable(invert.getColorModel().getTransferType());
            ParameterBlock pb = new ParameterBlock();
            pb.addSource(invert);
            pb.add(table);
            // we cache this since convolution scans its input multiple times
            return JAI.create("lookup", pb, null);
        }

View Full Code Here

            if (detail > 0) {
                RenderedImage singleChannel;
                if (back.getColorModel().getNumComponents() == 3) {
                    double[][] yChannel = new double[][]{{ColorScience.Wr, ColorScience.Wg, ColorScience.Wb, 0}};


                    ParameterBlock pb = new ParameterBlock();
                    pb.addSource( back );
                    pb.add( yChannel );
                    singleChannel = JAI.create("BandCombine", pb, null);
                } else
                    singleChannel = back;


                ParameterBlock pb = new ParameterBlock();
                pb.addSource( singleChannel );
                pb.add(2f * scale);
                pb.add(20f);
                RenderingHints hints = new RenderingHints(JAI.KEY_BORDER_EXTENDER,
                                                          BorderExtender.createInstance(BorderExtender.BORDER_COPY));
                RenderedOp bilateral = JAI.create("BilateralFilter", pb, hints);


                pb = new ParameterBlock();
                pb.addSource(bilateral);
                pb.addSource(front);
                pb.add("Overlay");
                pb.add(detail);
                front = JAI.create("Blend", pb, null);
            }


            return front;
        }

View Full Code Here

            super(source);
        }


        public PlanarImage setFront() {
            LookupTableJAI table = computeTable(back);
            ParameterBlock pb = new ParameterBlock();
            pb.addSource(back);
            pb.add(table);


            // Add a layout hint to make sure that source and destination match


            RenderingHints hints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT,
                                                      new ImageLayout(back));

View Full Code Here

            PlanarImage scaleDown;
            if (rescale != 1) {
                float scaleX = (float) Math.floor(rescale * back.getWidth()) / (float) back.getWidth();
                float scaleY = (float) Math.floor(rescale * back.getHeight()) / (float) back.getHeight();


                ParameterBlock pb = new ParameterBlock();
                pb.addSource(back);
                pb.add(AffineTransform.getScaleInstance(scaleX, scaleY));
                pb.add(interp);
                RenderingHints layoutHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT,
                                                            new ImageLayout(0, 0,
                                                                            Math.max(JAIContext.TILE_WIDTH/divideByTwo, 8),
                                                                            Math.max(JAIContext.TILE_HEIGHT/divideByTwo, 8),
                                                                            null, null));
                layoutHints.add(hints);
                layoutHints.add(JAIContext.noCacheHint);
                scaleDown = JAI.create("Affine", pb, layoutHints);
            } else
                scaleDown = back;


            if (scaleDown.getColorModel().getNumComponents() == 3) {
                ParameterBlock pb = new ParameterBlock();
                pb.addSource(scaleDown);
                pb.add(transform);
                scaleDown = JAI.create("BandCombine", pb, JAIContext.noCacheHint);  // Desaturate, single banded
            }


            scaleDown = JAI.create("Not", scaleDown, JAIContext.noCacheHint);       // Invert
            LookupTableJAI table = computeGammaTable(scaleDown.getSampleModel().getDataType());
            ParameterBlock pb = new ParameterBlock();
            pb.addSource(scaleDown);
            pb.add(table);
            // we cache this since convolution scans its input multiple times
            gammaCurve = JAI.create("lookup", pb, null /*JAIContext.noCacheHint*/);


            kernel = Functions.getGaussKernel(newRadius);
            pb = new ParameterBlock();
            pb.addSource(gammaCurve);
            pb.add(kernel);
            // RenderingHints convolveHints = new RenderingHints(hints);
            // convolveHints.add(JAIContext.noCacheHint);
            RenderedOp blur = JAI.create("LCSeparableConvolve", pb, hints);    // Gaussian Blur


            if (rescale != 1) {
                pb = new ParameterBlock();
                pb.addSource(blur);
                pb.add(AffineTransform.getScaleInstance(back.getWidth() / (double) scaleDown.getWidth(),
                                                        back.getHeight() / (double) scaleDown.getHeight()));
                pb.add(interp);
                RenderingHints resultLayoutHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT,
                                                                  new ImageLayout(0, 0,
                                                                                  JAIContext.TILE_WIDTH,
                                                                                  JAIContext.TILE_HEIGHT,
                                                                                  null, null));

View Full Code Here

        Rectangle bounds = new Rectangle(image.getMinX(), image.getMinY(), image.getWidth(), image.getHeight());


        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);


            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);

View Full Code Here

                for (int i = 0; i < 0x10000; i++)
                    table[2][i] = (short) (0xffff & (int) Math.min(Math.max(i + 0xff * interpolator.interpolate(i / (double) 0xffff, blueCurve), 0), 0xffff));


                LookupTableJAI lookupTable = new LookupTableJAI(table, true);


                ParameterBlock pb = new ParameterBlock();
                pb.addSource(back);
                pb.add(lookupTable);
                return JAI.create("lookup", pb, JAIContext.noCacheHint);
            } else {
                return back;
            }
        }

View Full Code Here

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