int minX = argbWR.getMinX();
int minY = argbWR.getMinY();
WritableRaster srcWR =
imgCM.createCompatibleWritableRaster(w, h);
srcWR = srcWR.createWritableTranslatedChild(minX, minY);
img.copyData(srcWR);
/**
* If the source data is not a ComponentColorModel using a
* BandedSampleModel, do the conversion now.
*/