Examples of sun.java2d.SunGraphics2D.dispose()

sun.java2d.SunGraphics2D.dispose()
This object has no resources to dispose of per se, but the doc comments for the base method in java.awt.Graphics imply that this object will not be useable after it is disposed. So, we sabotage the object to prevent further use to prevent developers from relying on behavior that may not work on other, less forgiving, VMs that really need to dispose of resources.

                Graphics2D bbg =
                    new SunGraphics2D(bbsd, Color.black, Color.white, null);
                try {
                    bbg.drawImage(xBackBuffer, 0, 0, null);
                } finally {
                    bbg.dispose();
                }
            } else {
                Graphics g = peer.getGraphics();
                try {
                    g.drawImage(xBackBuffer,

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                Graphics2D bbg =
                    new SunGraphics2D(bbsd, Color.black, Color.white, null);
                try {
                    bbg.drawImage(backBuffer, 0, 0, null);
                } finally {
                    bbg.dispose();
                }
            } else {
                Graphics g = peer.getGraphics();
                try {
                    g.drawImage(backBuffer,

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                // if succeeded, first fill the surface with bg color
                // note: use the non-synch method to avoid incorrect lock order
                Color bg = sd.getPeer().getBackgroundNoSync();
                SunGraphics2D sg2d = new SunGraphics2D(sd, bg, bg, null);
                sg2d.fillRect(0, 0, sd.getBounds().width, sd.getBounds().height);
                sg2d.dispose();
                // now clean the dirty status so that we don't flip it
                // next time before it gets repainted; it is safe
                // to do without the lock because we will issue a
                // repaint anyway so we will not lose any rendering
                sd.markClean();

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                                  java.awt.Color.white, defaultFont);


            DrawImage.renderSurfaceData(swG2d, surfaceDataSw,
                                        (java.awt.Color)null,
                                        0, 0, 0, 0, getWidth(), getHeight());
            swG2d.dispose();
            SunGraphics2D hwG2D =
                new SunGraphics2D(surfaceDataHw, java.awt.Color.black,
                                  java.awt.Color.white, defaultFont);
            DrawImage.renderSurfaceData(hwG2D, bisd,
                                        (java.awt.Color)null,

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                new SunGraphics2D(surfaceDataHw, java.awt.Color.black,
                                  java.awt.Color.white, defaultFont);
            DrawImage.renderSurfaceData(hwG2D, bisd,
                                        (java.awt.Color)null,
                                        0, 0, 0, 0, getWidth(), getHeight());
            hwG2D.dispose();
        }
    }
}

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