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RGBStackSplitter |
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package ij.plugin.filter;
import ij.*;
import ij.process.*;
import ij.gui.*;
import ij.measure.Calibration;
import java.awt.*;
/** Splits an RGB image or stack into three 8-bit grayscale images or stacks. */
public class RGBStackSplitter implements PlugInFilter {
ImagePlus imp;
/** These are the three stacks created by the split(ImageStack) method. */
public ImageStack red, green, blue;
public int setup(String arg, ImagePlus imp) {
this.imp = imp;
return DOES_RGB+NO_UNDO;
}
public void run(ImageProcessor ip) {
split(imp);
}
/** Splits the specified RGB image or stack into three 8-bit grayscale images or stacks. */
public void split(ImagePlus imp) {
boolean keepSource = IJ.altKeyDown();
String title = imp.getTitle();
Calibration cal = imp.getCalibration();
split(imp.getStack(), keepSource);
if (!keepSource)
{imp.unlock(); imp.close();}
ImagePlus rImp = new ImagePlus(title+" (red)",red);
rImp.setCalibration(cal);
rImp.show();
if (IJ.isMacOSX()) IJ.wait(500);
ImagePlus gImp = new ImagePlus(title+" (green)",green);
gImp.setCalibration(cal);
gImp.show();
if (IJ.isMacOSX()) IJ.wait(500);
ImagePlus bImp = new ImagePlus(title+" (blue)",blue);
bImp.setCalibration(cal);
bImp.show();
}
/** Splits the specified RGB stack into three 8-bit grayscale stacks.
Deletes the source stack if keepSource is false. */
public void split(ImageStack rgb, boolean keepSource) {
int w = rgb.getWidth();
int h = rgb.getHeight();
red = new ImageStack(w,h);
green = new ImageStack(w,h);
blue = new ImageStack(w,h);
byte[] r,g,b;
ColorProcessor cp;
int slice = 1;
int inc = keepSource?1:0;
int n = rgb.getSize();
for (int i=1; i<=n; i++) {
IJ.showStatus(i+"/"+n);
r = new byte[w*h];
g = new byte[w*h];
b = new byte[w*h];
cp = (ColorProcessor)rgb.getProcessor(slice);
slice += inc;
cp.getRGB(r,g,b);
if (!keepSource)
rgb.deleteSlice(1);
red.addSlice(null,r);
green.addSlice(null,g);
blue.addSlice(null,b);
IJ.showProgress((double)i/n);
}
}
}
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RGBStackSplitter |
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