RasterAccessor d = new RasterAccessor(dest, destRect,
formatTags[2], getColorModel());
Raster roi = null;
if (hasMask()) {
LCROIShape lcROI = (LCROIShape) mask;
if (lcROI.intersects(destRect))
roi = lcROI.getData(destRect);
else {
if (opacity > 0) {
assert dest.getBounds().equals(sources[1].getBounds());
// dest.setRect(sources[1]);