public void snapshot(int sn, GL gl, String fileSuffix, 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.getWidth(),
drawable.getHeight(),
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();
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 (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));
*/
}
@Override
public boolean isGLOriented() {
final GLDrawable _drawable = drawable;
return null != _drawable ? _drawable.isGLOriented() : true;
}