/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.tools.etc1;
import java.io.File;
import java.util.ArrayList;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.glutils.ETC1;
import com.badlogic.gdx.tools.FileProcessor;
import com.badlogic.gdx.utils.GdxNativesLoader;
public class ETC1Compressor {
static class ETC1FileProcessor extends FileProcessor {
ETC1FileProcessor () {
addInputSuffix(".png");
addInputSuffix(".jpg");
addInputSuffix(".bmp");
setOutputSuffix(".etc1");
}
@Override
protected void processFile (Entry entry) throws Exception {
System.out.println("Processing " + entry.inputFile);
Pixmap pixmap = new Pixmap(new FileHandle(entry.inputFile));
if (pixmap.getFormat() != Format.RGB888 && pixmap.getFormat() != Format.RGB565) {
System.out.println("Converting from " + pixmap.getFormat() + " to RGB888!");
Pixmap tmp = new Pixmap(pixmap.getWidth(), pixmap.getHeight(), Format.RGB888);
tmp.drawPixmap(pixmap, 0, 0, 0, 0, pixmap.getWidth(), pixmap.getHeight());
pixmap.dispose();
pixmap = tmp;
}
ETC1.encodeImagePKM(pixmap).write(new FileHandle(entry.outputFile));
pixmap.dispose();
}
@Override
protected void processDir (Entry entryDir, ArrayList<Entry> value) throws Exception {
if (!entryDir.outputDir.exists()) {
if (!entryDir.outputDir.mkdirs())
throw new Exception("Couldn't create output directory '" + entryDir.outputDir + "'");
}
}
}
public static void process (String inputDirectory, String outputDirectory, boolean recursive, boolean flatten)
throws Exception {
GdxNativesLoader.load();
ETC1FileProcessor processor = new ETC1FileProcessor();
processor.setRecursive(recursive);
processor.setFlattenOutput(flatten);
processor.process(new File(inputDirectory), new File(outputDirectory));
}
public static void main (String[] args) throws Exception {
if (args.length != 2) {
System.out.println("ETC1Compressor <input-dir> <output-dir>");
System.exit(-1);
}
ETC1Compressor.process(args[0], args[1], true, false);
}
}