private Image(int width, int height, boolean isMutable) {
this.width = width;
this.height = height;
this.isMutable = isMutable;
GCIDisplay display=
GCIGraphicsEnvironment.getInstance().getDefaultDisplay();
gciDrawingSurface = display.createOffscreenDrawingSurface(width,
height,
GCIDrawingSurface.FORMAT_ARGB_8888);
}