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* Copyright 2014 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.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.GLAutoDrawable;
import com.jogamp.opengl.GLDrawable;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.util.GLDrawableUtil;
import com.jogamp.opengl.util.awt.AWTGLReadBufferUtil;
import com.jogamp.opengl.util.texture.TextureIO;
/**
* Test synchronous GLAutoDrawable display, swap-buffer and read-pixels
* including non-MSAA and MSAA framebuffer.
* <p>
* See {@link GLReadBuffer00Base} for related bugs and further details.
* </p>
*/
public abstract class GLReadBuffer00BaseAWT extends GLReadBuffer00Base {
protected class SnapshotGLELAWT implements GLEventListener {
final TextRendererGLEL textRendererGLEL;
final AWTGLReadBufferUtil glReadBufferUtil;
final boolean skipGLOrientationVerticalFlip;
boolean defAutoSwapMode;
boolean swapBuffersBeforeRead;
int i;
SnapshotGLELAWT(final TextRendererGLEL textRendererGLEL, final AWTGLReadBufferUtil glReadBufferUtil, final boolean skipGLOrientationVerticalFlip) {
this.textRendererGLEL = textRendererGLEL;
this.glReadBufferUtil = glReadBufferUtil;
this.skipGLOrientationVerticalFlip = skipGLOrientationVerticalFlip;
this.defAutoSwapMode = true;
this.swapBuffersBeforeRead = false;
i = 0;
}
@Override
public void init(final GLAutoDrawable drawable) {
defAutoSwapMode = drawable.getAutoSwapBufferMode();
swapBuffersBeforeRead = GLDrawableUtil.swapBuffersBeforeRead(drawable.getChosenGLCapabilities());
drawable.setAutoSwapBufferMode( !swapBuffersBeforeRead );
}
@Override
public void dispose(final GLAutoDrawable drawable) {
drawable.setAutoSwapBufferMode( defAutoSwapMode );
}
@Override
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { }
@Override
public void display(final GLAutoDrawable drawable) {
snapshot(i++, drawable.getGL(), TextureIO.PNG, null);
}
public void snapshot(final int sn, final GL gl, final String fileSuffix, final String destPath) {
final GLDrawable drawable = gl.getContext().getGLReadDrawable();
final String postSNDetail = String.format("awt-usr%03d", textRendererGLEL.userCounter);
final String filenameAWT = getSnapshotFilename(sn, postSNDetail,
drawable.getChosenGLCapabilities(), drawable.getSurfaceWidth(), drawable.getSurfaceHeight(),
glReadBufferUtil.hasAlpha(), fileSuffix, destPath);
if( swapBuffersBeforeRead ) {
drawable.swapBuffers();
// Just to test whether we use the right buffer,
// i.e. back-buffer shall no more be required ..
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
} else {
gl.glFinish(); // just make sure rendering finished ..
}
final boolean awtOrientation = !( drawable.isGLOriented() && skipGLOrientationVerticalFlip );
System.err.println(Thread.currentThread().getName()+": ** screenshot: awtOrient/v-flip "+awtOrientation+", swapBuffersBeforeRead "+swapBuffersBeforeRead+", "+filenameAWT);
final BufferedImage image = glReadBufferUtil.readPixelsToBufferedImage(gl, awtOrientation);
final File fout = new File(filenameAWT);
try {
ImageIO.write(image, "png", fout);
} catch (final IOException e) {
e.printStackTrace();
}
/**
final String filenameJGL = getSnapshotFilename(sn, "jgl",
drawable.getChosenGLCapabilities(), drawable.getWidth(), drawable.getHeight(),
glReadBufferUtil.hasAlpha(), fileSuffix, destPath);
glReadBufferUtil.write(new File(filenameJGL));
*/
}
};
}