public BufferedImage getRenderedImage(Dimension d, boolean withBackground) {
if (offscreenCanvas == null) {
offscreenCanvas = new Canvas3D(SimpleUniverse.getPreferredConfiguration(), true);
}
offscreenCanvas.setSize(getSize());
offscreenCanvas.getScreen3D().setSize(getScreen3D().getSize());
offscreenCanvas.getScreen3D().setPhysicalScreenWidth(getScreen3D().getPhysicalScreenWidth());
offscreenCanvas.getScreen3D().setPhysicalScreenHeight(getScreen3D().getPhysicalScreenHeight());
BufferedImage bufImage = new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_ARGB);
ImageComponent2D imgComp = new ImageComponent2D(ImageComponent2D.FORMAT_RGBA, bufImage);
BufferedImage transparentImage =
new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_ARGB);
ImageComponent2D transparentComp =
new ImageComponent2D(ImageComponent2D.FORMAT_RGBA, transparentImage);
Color3f tempColor = new Color3f();
background.getColor(tempColor);
if (!withBackground) {
background.setImage(transparentComp);
}
view.addCanvas3D(offscreenCanvas);
offscreenCanvas.setOffScreenBuffer(imgComp);
offscreenCanvas.renderOffScreenBuffer();
offscreenCanvas.waitForOffScreenRendering();
if (!withBackground) {
background.setImage(null);
}
bufImage = offscreenCanvas.getOffScreenBuffer().getImage();
// To release the reference of buffer inside Java 3D.
offscreenCanvas.setOffScreenBuffer(null);
view.removeCanvas3D(offscreenCanvas);
return bufImage;
}
