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package com.jogamp.opengl.test.junit.jogl.acore;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLContext;
import com.jogamp.opengl.GLDrawable;
import com.jogamp.opengl.GLDrawableFactory;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.fixedfunc.GLLightingFunc;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
import com.jogamp.opengl.test.junit.util.UITestCase;
import com.jogamp.opengl.util.GLReadBufferUtil;
import com.jogamp.opengl.util.awt.AWTGLReadBufferUtil;
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestGLOffscreenAutoDrawableBug1044AWT extends UITestCase {
@Test
public void test01GLOffscreenDrawable() throws InterruptedException {
final GLReadBufferUtil readBufferUtilRGB888 = new GLReadBufferUtil(false, false);
final GLReadBufferUtil readBufferUtilRGBA8888 = new GLReadBufferUtil(true, false);
final GLDrawableFactory fac = GLDrawableFactory.getFactory(GLProfile.getDefault());
final GLCapabilities glCap = new GLCapabilities(GLProfile.getMaxFixedFunc(true));
// Without line below, there is an error on Windows.
glCap.setDoubleBuffered(false);
//makes a new buffer 100x100
final GLDrawable glad = fac.createOffscreenDrawable(null, glCap, null, 100, 100);
glad.setRealized(true);
final GLContext context = glad.createContext(null);
context.makeCurrent();
System.err.println("Chosen: "+glad.getChosenGLCapabilities());
final GL2 gl2 = context.getGL().getGL2();
gl2.glViewport(0, 0, 100, 100);
gl2.glShadeModel(GLLightingFunc.GL_SMOOTH);
gl2.glClearColor(1.0f, 0.80f, 0.80f, 1); // This Will Clear The Background Color
gl2.glClearDepth(1.0); // Enables Clearing Of The Depth Buffer
gl2.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl2.glLoadIdentity(); // Reset The Projection Matrix
final AWTGLReadBufferUtil agb = new AWTGLReadBufferUtil(glad.getGLProfile(), true);
final BufferedImage image = agb.readPixelsToBufferedImage(context.getGL(), true);
try {
ImageIO.write(image, "PNG", new File(getSimpleTestName(".")+"-AWTImageIO.png"));
} catch (final IOException e) {
e.printStackTrace();
}
if(readBufferUtilRGB888.readPixels(gl2, false)) {
readBufferUtilRGB888.write(new File(getSimpleTestName(".")+"-PNGJ-rgb_.png"));
}
readBufferUtilRGB888.dispose(gl2);
if(readBufferUtilRGBA8888.readPixels(gl2, false)) {
readBufferUtilRGBA8888.write(new File(getSimpleTestName(".")+"-PNGJ-rgba.png"));
}
readBufferUtilRGBA8888.dispose(gl2);
context.destroy();
glad.setRealized(false);
System.out.println("Done!");
}
public static void main(final String[] args) {
org.junit.runner.JUnitCore.main(TestGLOffscreenAutoDrawableBug1044AWT.class.getName());
}
}