com.jme3.texture.plugins.gdx.GdxImageLoader Maven / Gradle / Ivy

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A game engine compatible with MikuMikuDance.
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package com.jme3.texture.plugins.gdx;

import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Pixmap;
import com.jme3.asset.AssetInfo;
import com.jme3.asset.AssetLoader;
import com.jme3.asset.AssetNotFoundException;
import com.jme3.math.FastMath;
import com.jme3.texture.Image;
import com.jme3.util.BufferUtils;

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

/**
 * Created with IntelliJ IDEA.
 * User: kobayasi
 * Date: 13/10/10
 * Time: 23:54
 * To change this template use File | Settings | File Templates.
 */
public class GdxImageLoader implements AssetLoader{
    public GdxImageLoader() {
    }

    @Override
    public Object load(AssetInfo assetInfo) throws IOException {
        Pixmap pixmap = null;
        InputStream is = null;

        try {
            is = assetInfo.openStream();
            byte[] buf = new byte[is.available()];
            System.err.println(assetInfo.getKey()+" buf length = "+buf.length);
            int i = 0;
            while ( i < buf.length) {
                int len = is.read(buf, i, buf.length - i);
                if (len < 0) {
                    throw new IOException();
                }
                i += len;
            }
            is.close();
            is = null;
            pixmap = new Pixmap(buf, 0, buf.length);
            Image.Format format;
            ByteBuffer bb  = BufferUtils.clone(pixmap.getPixels());
            int height = pixmap.getHeight();
            int width = pixmap.getWidth();
            switch(pixmap.getGLFormat()) {
                case GL20.GL_RGBA:
                    format = Image.Format.RGBA8;
                    ByteBuffer bb2 = pixmap.getPixels();
                    for(int y = 0;y= w1 * h1) {
                    index = 0;
                }
                for(int i=0;i<4;i++) {
                    out.put((x + y * w2)*4+i,bb.get(index * 4 + i));
                }
            }
        }
        return out;
    }
    private static ByteBuffer resize2(int w1,int h1, int w2, int h2, ByteBuffer bb) {
//        w2 = w1;
//        h2 = h1;
        if (w1 == w2 && h1 == h2) {
            //return buf;
        }
        ByteBuffer out = BufferUtils.createByteBuffer(w2 * h2 * 3);
        float f1 = ((float)w1) / (float)w2;
        float f2 = ((float)h1) / (float)h2;
        for(int x = 0;x= w1 * h1) {
                    index = 0;
                }
                for(int i=0;i<3;i++) {
                    out.put((x + y * w2)*3+i,bb.get(index * 3 + i));
                }
            }
        }
        return out;
    }
}