question: protected void createTripleBuffer ( int width , int height ) { try { tripleBuffer = mxUtils . createBufferedImage ( width , height , null ) ; tripleBufferGraphics = tripleBuffer . createGraphics ( ) ; repaintTripleBuffer ( null ) ; } catch ( OutOfMemoryError error ) { } }
target:  Creates the tripleBufferGraphics and tripleBuffer for the given dimension and draws the complete graph onto the triplebuffer.