private void writeTiles(
File outputLevelDir,
String tileFormat,
PlanarImage image,
int tileWidth,
int tileHeight,
int numXTiles,
int numYTiles) {
for (int tileY = 0; tileY < numYTiles; tileY++) {
for (int tileX = 0; tileX < numXTiles; tileX++) {
final int x = tileX * tileWidth;
final int y = tileY * tileHeight;
Rectangle region = new Rectangle(x, y, tileWidth, tileHeight);
BufferedImage bufferedImage = image.getAsBufferedImage(region, null);
final String baseName = tileX + "-" + tileY + "." + tileFormat;
FileStoreDescriptor.create(
bufferedImage,
new File(outputLevelDir, baseName).getPath(),
tileFormat,
null,
false,
null);
}
}
}
public static void storeTiledTiff(RenderedImage image, String filePath) {
final TIFFEncodeParam encodeParam = new TIFFEncodeParam();
encodeParam.setTileSize(image.getTileWidth(), image.getTileHeight());
encodeParam.setWriteTiled(true);
encodeParam.setCompression(TIFFEncodeParam.COMPRESSION_DEFLATE);
System.out.println("Storing tiled TIFF image to " + filePath + "...");
FileStoreDescriptor.create(image, filePath, "TIFF", encodeParam, false, null);
}
public static void main(String[] args) {
String sourceFile = args[0];
int m = Integer.parseInt(args[1]);
String format = sourceFile.substring(1 + sourceFile.lastIndexOf('.'));
String targetBase = sourceFile.substring(0, sourceFile.lastIndexOf('.'));
String targetFile0 = targetBase + "_" + m + "_0." + format;
String targetFile1 = targetBase + "_" + m + "_1." + format;
String targetFile2 = targetBase + "_" + m + "_2." + format;
KernelJAI gaussKernel = createGaussianKernel(m);
dumpKernelData("Gaussian", gaussKernel);
KernelJAI distKernel = createDistancesKernel(m);
dumpKernelData("Distances", distKernel);
RenderedOp source = FileLoadDescriptor.create(sourceFile, null, true, null);
source = BandSelectDescriptor.create(source, new int[1], null);
System.out.println("Writing " + targetFile0);
FileStoreDescriptor.create(source, targetFile0, format, null, false, null);
long t1 = System.currentTimeMillis();
System.out.println("Computing " + targetFile1);
BorderExtender borderExtender = BorderExtender.createInstance(BorderExtender.BORDER_COPY);
RenderedOp target1 =
ConvolveDescriptor.create(
source, gaussKernel, new RenderingHints(JAI.KEY_BORDER_EXTENDER, borderExtender));
RenderedOp mask = ClampDescriptor.create(source, new double[] {0}, new double[] {1}, null);
mask = MultiplyConstDescriptor.create(mask, new double[] {255}, null);
mask = NotDescriptor.create(mask, null);
mask = ClampDescriptor.create(mask, new double[] {0}, new double[] {1}, null);
target1 = MultiplyDescriptor.create(target1, mask, null);
target1 = AddDescriptor.create(target1, source, null);
System.out.println("Writing " + targetFile1);
FileStoreDescriptor.create(target1, targetFile1, format, null, false, null);
System.out.println("Done in " + (System.currentTimeMillis() - t1) + " ms");
long t2 = System.currentTimeMillis();
System.out.println("Computing " + targetFile2);
BufferedImage target2 = convolveICOL(source, gaussKernel, distKernel);
System.out.println("Writing " + targetFile2);
FileStoreDescriptor.create(target2, targetFile2, format, null, false, null);
System.out.println("Done in " + (System.currentTimeMillis() - t2) + " ms");
}
