int values[] = new int[4*channels];
createLevels(src.getSampleModel(), channels, skipAlpha, levels, values, channelsOrder);
Object srcData, dstData;
AwtImageBackdoorAccessor dbAccess = AwtImageBackdoorAccessor.getInstance();
try {
srcData = dbAccess.getData(src.getDataBuffer());
dstData = dbAccess.getData(dst.getDataBuffer());
} catch (IllegalArgumentException e) {
return -1; // Unknown data buffer type
}
res = LookupOp.ippLUT(