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* Copyright 2010 JogAmp Community. All rights reserved.
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* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
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package com.jogamp.opengl.test.junit.jogl.demos.gl2;
import com.jogamp.opengl.test.junit.jogl.demos.TextureDraw01Accessor;
import com.jogamp.opengl.util.texture.Texture;
import com.jogamp.opengl.util.texture.TextureCoords;
import com.jogamp.opengl.util.texture.TextureData;
import com.jogamp.opengl.util.texture.TextureIO;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES1;
import com.jogamp.opengl.GL2;
import com.jogamp.opengl.GL2GL3;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.opengl.glu.GLU;
public class TextureDraw01GL2Listener implements GLEventListener, TextureDraw01Accessor {
private final GLU glu = new GLU();
private final TextureData textureData;
private Texture texture;
boolean keepTextureBound;
public TextureDraw01GL2Listener(final TextureData td) {
this.textureData = td;
this.keepTextureBound = false;
}
@Override
public void setKeepTextureBound(final boolean v) {
this.keepTextureBound = v;
}
@Override
public Texture getTexture( ) {
return this.texture;
}
@Override
public void init(final GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
if(null!=textureData) {
this.texture = TextureIO.newTexture(drawable.getGL(), textureData);
if( keepTextureBound ) {
texture.enable(gl);
texture.bind(gl);
}
}
}
@Override
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
final GL2 gl = drawable.getGL().getGL2();
gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluOrtho2D(0, 1, 0, 1);
gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
gl.glLoadIdentity();
}
@Override
public void dispose(final GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
if(null!=texture) {
texture.disable(gl);
texture.destroy(gl);
}
if(null!=textureData) {
textureData.destroy();
}
}
@Override
public void display(final GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
// draw one quad with the texture
if(null!=texture) {
if( !keepTextureBound ) {
texture.enable(gl);
texture.bind(gl);
}
gl.glTexEnvi(GL2ES1.GL_TEXTURE_ENV, GL2ES1.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
final TextureCoords coords = texture.getImageTexCoords();
gl.glBegin(GL2GL3.GL_QUADS);
gl.glTexCoord2f(coords.left(), coords.bottom());
gl.glVertex3f(0, 0, 0);
gl.glTexCoord2f(coords.right(), coords.bottom());
gl.glVertex3f(1, 0, 0);
gl.glTexCoord2f(coords.right(), coords.top());
gl.glVertex3f(1, 1, 0);
gl.glTexCoord2f(coords.left(), coords.top());
gl.glVertex3f(0, 1, 0);
gl.glEnd();
if( !keepTextureBound ) {
texture.disable(gl);
}
}
}
}