com.googlecode.gdxquake2.installer.ImageConverter.java Source code

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Here is the source code for com.googlecode.gdxquake2.installer.ImageConverter.java

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/*
Copyright (C) 2010 Copyright 2010 Google Inc.
    
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    
See the GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package com.googlecode.gdxquake2.installer;

import java.nio.ByteBuffer;

import com.badlogic.gdx.graphics.Pixmap;
import com.googlecode.gdxquake2.game.common.QuakeImage;

public abstract class ImageConverter {

    protected static class image_t {
        int width, height;
        byte[] pix;
    }

    //  private static HashMap<String, Converter> converters = new HashMap<String, Converter>();
    //
    //  public static Converter get(String name) {
    //    int idx = name.lastIndexOf('.');
    //    if (idx != -1) {
    //      return converters.get(name.substring(idx + 1).toLowerCase());
    //    }
    //    return null;
    //  }

    public abstract Pixmap convert(ByteBuffer raw);

    static Pixmap makeImage(image_t source) {
        Pixmap image = new Pixmap(source.width, source.height, Pixmap.Format.RGBA8888);
        int ofs = 0;
        for (int y = 0; y < source.height; y++) {
            for (int x = 0; x < source.width; x++) {
                int rgba = (((source.pix[ofs] & 255) << 24) | ((source.pix[ofs + 1] & 255) << 16)
                        | ((source.pix[ofs + 2] & 255) << 8) | ((source.pix[ofs + 3] & 255)));
                ofs += 4;
                image.drawPixel(x, y, rgba);
            }
        }

        return image;
    }

    static Pixmap makePalletizedImage(image_t source) {
        Pixmap image = new Pixmap(source.width, source.height, Pixmap.Format.RGBA8888);
        for (int y = 0; y < source.height; ++y) {
            for (int x = 0; x < source.width; ++x) {
                int ofs = source.pix[y * source.width + x];
                if (ofs < 0) {
                    ofs += 256;
                }
                int rgba = (ofs == 255) ? 0 : QuakeImage.PALETTE_RGBA[ofs];
                image.drawPixel(x, y, rgba);
            }
        }
        return image;
    }
}