Method newFHT

ij/src/main/java/ij/plugin/FFT.java:317–335

(ImageProcessor ip)

	}
	
	FHT newFHT(ImageProcessor ip) {
		FHT fht;
		if (ip instanceof ColorProcessor) {
			showStatus("Extracting brightness");
			ImageProcessor ip2 = ((ColorProcessor)ip).getBrightness();
			fht = new FHT(pad(ip2));
			fht.rgb = (ColorProcessor)ip.duplicate(); // save so we can later update the brightness
		} else
			fht = new FHT(pad(ip));
		if (padded) {
			fht.originalWidth = originalWidth;
			fht.originalHeight = originalHeight;
		}
		int bitDepth = imp.getBitDepth();
		fht.originalBitDepth = bitDepth;
		if (bitDepth!=24)
			fht.originalColorModel = ip.getColorModel();
		return fht;
	}
	
	ImageProcessor pad(ImageProcessor ip) {
		originalWidth = ip.getWidth();