public int getClrUsed() {
		if (clrUsed == 0) {
			clrUsed = (int) Math.pow(2.0, bitCount);
		}
		return clrUsed;
	}
Compute the uncompressed image data size for a single line based upon getWidth() and
getBitCount().
@return computed image data size for single line
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/BitmapResource.java