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* Copyright 2013 JogAmp Community. All rights reserved.
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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.
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package com.jogamp.opengl.test.junit.jogl.glu;
import java.awt.Frame;
import java.nio.ByteBuffer;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.awt.GLCanvas;
import com.jogamp.opengl.glu.GLU;
import org.junit.Assume;
import org.junit.Test;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;
import com.jogamp.common.nio.Buffers;
import com.jogamp.opengl.test.junit.util.UITestCase;
import com.jogamp.opengl.util.GLBuffers;
import com.jogamp.opengl.util.GLPixelStorageModes;
/**
* Demonstrates how to use {@link GLBuffers#sizeof(GL, int[], int, int, int, int, int, boolean)}
* to determine the unpack buffer size for {@link GLU#gluScaleImage(int, int, int, int, java.nio.Buffer, int, int, int, java.nio.Buffer)}.
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestBug694ScaleImageUnpackBufferSizeAWT extends UITestCase implements GLEventListener {
/* @Override */
public void init(final GLAutoDrawable drawable) {
}
/* @Override */
public void display(final GLAutoDrawable drawable) {
if( !testDone ) {
testDone = true;
final GL gl = drawable.getGL();
final GLU glu = GLU.createGLU(gl);
System.err.println("Using GLU "+glu.getClass().getName());
testGLUScaleImage(gl, glu, 0); // default 4
testGLUScaleImage(gl, glu, 1);
testGLUScaleImage(gl, glu, 4);
testGLUScaleImage(gl, glu, 8);
}
}
boolean testDone = false;
private void testGLUScaleImage(final GL gl, final GLU glu, final int unpackAlignment) {
final GLPixelStorageModes psm = new GLPixelStorageModes();
if(0 < unpackAlignment) {
psm.setUnpackAlignment(gl, unpackAlignment);
}
final int widthin = 213;
final int heightin = 213;
final int widthout = 256;
final int heightout = 256;
final int glFormat = GL.GL_LUMINANCE;
final int glType = GL.GL_UNSIGNED_BYTE;
final int tmp[] = new int[1];
final int unpackSizeInLen = GLBuffers.sizeof(gl, tmp, glFormat, glType, widthin, heightin, 1, false);
final int unpackSizeOutLen = GLBuffers.sizeof(gl, tmp, glFormat, glType, widthout, heightout, 1, false);
System.err.println("Unpack-Alignment "+unpackAlignment+": in-size "+unpackSizeInLen);
System.err.println("Unpack-Alignment "+unpackAlignment+": out-size "+unpackSizeOutLen);
final ByteBuffer bufferIn = Buffers.newDirectByteBuffer(unpackSizeInLen);
final ByteBuffer bufferOut = Buffers.newDirectByteBuffer(unpackSizeOutLen);
glu.gluScaleImage( GL.GL_LUMINANCE,
widthin, heightin, GL.GL_UNSIGNED_BYTE, bufferIn,
widthout, heightout, GL.GL_UNSIGNED_BYTE, bufferOut );
if(0 < unpackAlignment) {
psm.restore(gl);
}
}
/* @Override */
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
}
/* @Override */
public void dispose(final GLAutoDrawable drawable) {
}
@Test
public void test01() throws InterruptedException {
final GLProfile glprofile = GLProfile.getDefault();
final GLCapabilities glCapabilities = new GLCapabilities(glprofile);
final GLCanvas canvas = new GLCanvas(glCapabilities);
canvas.addGLEventListener( this );
final Frame frame = new Frame("Test");
frame.add(canvas);
frame.setSize(256, 256);
frame.validate();
try {
javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
frame.setVisible(true);
}});
} catch (final Throwable t) {
t.printStackTrace();
Assume.assumeNoException(t);
}
canvas.display();
Thread.sleep(200);
try {
javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
frame.setVisible(false);
frame.remove(canvas);
frame.dispose();
}});
} catch (final Throwable t) {
t.printStackTrace();
Assume.assumeNoException(t);
}
}
public static void main(final String args[]) {
org.junit.runner.JUnitCore.main(TestBug694ScaleImageUnpackBufferSizeAWT.class.getName());
}
}