Examples of java.awt.image.BufferStrategy.contentsLost()

java.awt.image.BufferStrategy.contentsLost()
Returns whether the drawing buffer was lost since the last call to getDrawGraphics. Since the buffers in a buffer strategy are usually type VolatileImage, they may become lost. For a discussion on lost buffers, see VolatileImage. @return Whether or not the drawing buffer was lost since the last callto getDrawGraphics. @see java.awt.image.VolatileImage

    */
    public void update() {
        Window window = device.getFullScreenWindow();
        if (window != null) {
            BufferStrategy strategy = window.getBufferStrategy();
            if (!strategy.contentsLost()) {
                strategy.show();
            }
        }
        // Sync the display on some systems.
        // (on Linux, this fixes event queue problems)

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        if ( bs != null ) {
          bs.show();
        }


      } while ( bs != null && bs.contentsLost() && this.isDrawable() );


    }
  }


  private void doDraw( @NotNull Graphics2D g2d ) throws Exception {

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