/** * Applies the palette to <code>image</code> using the KdTree to find the nearest neighbor. * Returned Image is a ColorImage. <code>image</code> is not modified. * * @param image ColorImage to apply palette to * @return ColorImage */ protected Image apply(ColorImage image) { RealColorImage realImage = ImageConverter.toRealColor(image); ColorImage newImage = new ColorImage(realImage.X(), realImage.Y()); float[] total = null; float[] best = null; int[] temp = new int[3]; for (int x = 0; x < realImage.X(); x++) { for (int y = 0; y < realImage.Y(); y++) { tree2.getValues().removeAllElements(); do { total = realImage.get(x, y); tree2.findNearest(total, tree2.getRoot(), threshold); threshold += 2; } while (tree2.getValues().size() == 0); threshold = 8; if (tree2.getValues().size() != 1) best = findBest(total); else best = (float[]) tree2.getValues().elementAt(0); temp[0] = (int) best[0]; temp[1] = (int) best[1]; temp[2] = (int) best[2]; newImage.set(x, y, temp); } } System.out.println("Done with the apply"); return newImage; }
/** * Writes a RealColorImage to a file, byteSizing first * * @param im the RealColorImage */ public void writeByteSized(RealColorImage im) throws IOException { X = im.X(); Y = im.Y(); float[] color = new float[3]; // convert to byte size RealColorImage tmpim = (RealColorImage) im.copy(); tmpim.byteSize(); // write PPM in raw format writeRawPRCMHeader(X, Y); for (int y = 0; y < Y; y++) { for (int x = 0; x < X; x++) { color = tmpim.get(x, y); data.write((byte) color[0]); data.write((byte) color[1]); data.write((byte) color[2]); } } }
/** * Scales the range of <code>image</code> to an arbitrary min/max. The range used for all planes * is the global max, min of the image. * * @param image RealColorImage to scale. * @return <code>image</code>. */ protected Image apply(RealColorImage image) { return apply(image, new ROI(0, 0, image.X() - 1, image.Y() - 1)); }