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package com.jogamp.opengl.test.junit.jogl.util.texture;
import java.awt.Dimension;
import java.awt.Frame;
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 jogamp.nativewindow.jawt.JAWTUtil;
import com.jogamp.opengl.util.Animator;
import com.jogamp.opengl.util.GLReadBufferUtil;
import com.jogamp.opengl.util.texture.TextureIO;
import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
import com.jogamp.opengl.test.junit.util.UITestCase;
import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestGLReadBufferUtilTextureIOWrite01AWT extends UITestCase {
static GLProfile glp;
static GLCapabilities caps;
static int width, height;
@BeforeClass
public static void initClass() {
glp = GLProfile.getDefault();
Assert.assertNotNull(glp);
caps = new GLCapabilities(glp);
Assert.assertNotNull(caps);
caps.setAlphaBits(1); // req. alpha channel
width = 256;
height = 256;
}
protected void testWritePNG_Impl(final boolean offscreenLayer) throws InterruptedException {
final GLReadBufferUtil screenshotRGB = new GLReadBufferUtil(false, false);
final GLReadBufferUtil screenshotRGBA = new GLReadBufferUtil(true, false);
if(!offscreenLayer && JAWTUtil.isOffscreenLayerRequired()) {
System.err.println("onscreen layer n/a");
return;
}
if(offscreenLayer && !JAWTUtil.isOffscreenLayerSupported()) {
System.err.println("offscreen layer n/a");
return;
}
final GLCanvas glc = new GLCanvas(caps);
glc.setShallUseOffscreenLayer(offscreenLayer); // trigger offscreen layer - if supported
final Dimension glc_sz = new Dimension(width, height);
glc.setMinimumSize(glc_sz);
glc.setPreferredSize(glc_sz);
final Frame frame = new Frame(getSimpleTestName("."));
Assert.assertNotNull(frame);
frame.add(glc);
glc.setSize(width, height);
glc.addGLEventListener(new GearsES2(1));
glc.addGLEventListener(new GLEventListener() {
int f = 0;
public void init(final GLAutoDrawable drawable) {}
public void dispose(final GLAutoDrawable drawable) {}
public void display(final GLAutoDrawable drawable) {
snapshot(f, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
snapshot(f, null, drawable.getGL(), screenshotRGB, TextureIO.PNG, null);
f++;
}
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { }
});
final Animator animator = new Animator(glc);
animator.setUpdateFPSFrames(60, null);
try {
javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
frame.pack();
frame.setVisible(true);
}});
} catch( final Throwable throwable ) {
throwable.printStackTrace();
Assume.assumeNoException( throwable );
}
Assert.assertEquals(true, AWTRobotUtil.waitForRealized(glc, true));
Assert.assertEquals(true, AWTRobotUtil.waitForVisible(glc, true));
Assert.assertEquals(JAWTUtil.isOffscreenLayerSupported() && offscreenLayer,
glc.isOffscreenLayerSurfaceEnabled());
animator.start();
while(animator.getTotalFPSFrames() < 2) {
Thread.sleep(60);
}
animator.stop();
try {
javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
frame.setVisible(false);
frame.remove(glc);
frame.dispose();
}});
} catch( final Throwable throwable ) {
throwable.printStackTrace();
Assume.assumeNoException( throwable );
}
}
@Test
public void testOnscreenWritePNG() throws InterruptedException {
testWritePNG_Impl(false);
}
@Test
public void testOffscreenWritePNG() throws InterruptedException {
testWritePNG_Impl(true);
}
public static void main(final String args[]) {
org.junit.runner.JUnitCore.main(TestGLReadBufferUtilTextureIOWrite01AWT.class.getName());
}
}