param = new mxPngEncodeParam.Palette();
if (colorModel instanceof IndexColorModel) return new mxPngEncodeParam.Palette();
if (colorModel instanceof IndexColorModel) return new mxPngEncodeParam.Palette();
param = new mxPngEncodeParam.Palette();
if (colorModel instanceof IndexColorModel) return new mxPngEncodeParam.Palette();
if (colorModel instanceof IndexColorModel) return new mxPngEncodeParam.Palette();