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package ij.plugin;
import ij.*;
import ij.process.*;
import ij.gui.*;
import java.awt.*;
/**
This plugin implements the Image/Stacks/Combine command.
It combines two stacks (w1xh1xd1 and w2xh2xd2) to create a new
w1+w2 x max(h1,h2) x max(d1,d2) stack. For example, a 256x256x40
and a 256x256x30 stack would be combined into one 512x256x40 stack.
If "Vertical" is checked, create a new max(w1+w2) x (h1+h2) x max(d1,d2) stack.
Unused areas in the combined stack are filled with the background color.
*/
public class StackCombiner implements PlugIn {
ImagePlus imp1;
ImagePlus imp2;
static boolean vertical;
public void run(String arg) {
if (!showDialog())
return;
if (imp1.getBitDepth()!=imp2.getBitDepth()) {
error();
return;
}
int[] dim1 = imp1.getDimensions();
int[] dim2 = imp2.getDimensions();
if (imp1.isHyperStack() || imp2.isHyperStack()) {
if (dim1[2]!=dim2[2] || dim1[3]!=dim2[3] || dim1[4]!=dim2[4]) {
IJ.error("StackCombiner", "Hyperstacks must have identical CZT dimensions");
return;
}
}
ImageStack stack1 = imp1.getStack();
ImageStack stack2 = imp2.getStack();
ImageStack stack3 = vertical?combineVertically(stack1, stack2):combineHorizontally(stack1, stack2);
imp1.changes = false;
imp1.close();
imp2.changes = false;
imp2.close();
ImagePlus imp3 = imp1.createImagePlus();
imp3.setStack(stack3);
if (imp1.isHyperStack())
imp3.setDimensions(dim1[2],dim1[3],dim1[4]);
if (imp1.isComposite()) {
imp3 = new CompositeImage(imp3, imp1.getCompositeMode());
imp3.setDimensions(dim1[2],dim1[3],dim1[4]);
}
imp3.setTitle("Combined Stacks");
imp3.show();
}
public ImageStack combineHorizontally(ImageStack stack1, ImageStack stack2) {
int d1 = stack1.getSize();
int d2 = stack2.getSize();
int d3 = Math.max(d1, d2);
int w1 = stack1.getWidth();
int h1 = stack1.getHeight();
int w2 = stack2.getWidth();
int h2 = stack2.getHeight();
int w3 = w1 + w2;
int h3 = Math.max(h1, h2);
ImageStack stack3 = new ImageStack(w3, h3, stack1.getColorModel());
ImageProcessor ip = stack1.getProcessor(1);
ImageProcessor ip1, ip2, ip3;
Color background = Toolbar.getBackgroundColor();
for (int i=1; i<=d3; i++) {
IJ.showProgress((double)i/d3);
ip3 = ip.createProcessor(w3, h3);
if (h1!=h2) {
ip3.setColor(background);
ip3.fill();
}
if (i<=d1) {
ip3.insert(stack1.getProcessor(1),0,0);
if (stack2!=stack1)
stack1.deleteSlice(1);
}
if (i<=d2) {
ip3.insert(stack2.getProcessor(1),w1,0);
stack2.deleteSlice(1);
}
stack3.addSlice(null, ip3);
}
return stack3;
}
public ImageStack combineVertically(ImageStack stack1, ImageStack stack2) {
int d1 = stack1.getSize();
int d2 = stack2.getSize();
int d3 = Math.max(d1, d2);
int w1 = stack1.getWidth();
int h1 = stack1.getHeight();
int w2 = stack2.getWidth();
int h2 = stack2.getHeight();
int w3 = Math.max(w1, w2);
int h3 = h1 + h2;
ImageStack stack3 = new ImageStack(w3, h3, stack1.getColorModel());
ImageProcessor ip = stack1.getProcessor(1);
ImageProcessor ip1, ip2, ip3;
Color background = Toolbar.getBackgroundColor();
for (int i=1; i<=d3; i++) {
IJ.showProgress((double)i/d3);
ip3 = ip.createProcessor(w3, h3);
if (w1!=w2) {
ip3.setColor(background);
ip3.fill();
}
if (i<=d1) {
ip3.insert(stack1.getProcessor(1),0,0);
if (stack2!=stack1)
stack1.deleteSlice(1);
}
if (i<=d2) {
ip3.insert(stack2.getProcessor(1),0,h1);
stack2.deleteSlice(1);
}
stack3.addSlice(null, ip3);
}
return stack3;
}
boolean showDialog() {
int[] wList = WindowManager.getIDList();
if (wList==null || wList.length<2) {
error();
return false;
}
String[] titles = new String[wList.length];
for (int i=0; i<wList.length; i++) {
ImagePlus imp = WindowManager.getImage(wList[i]);
titles[i] = imp!=null?imp.getTitle():"";
}
GenericDialog gd = new GenericDialog("Combiner");
gd.addChoice("Stack1:", titles, titles[0]);
gd.addChoice("Stack2:", titles, titles[1]);
gd.addCheckbox("Combine vertically", false);
gd.addHelp(IJ.URL+"/docs/menus/image.html#combine");
gd.showDialog();
if (gd.wasCanceled())
return false;
int[] index = new int[3];
int index1 = gd.getNextChoiceIndex();
int index2 = gd.getNextChoiceIndex();
imp1 = WindowManager.getImage(wList[index1]);
imp2 = WindowManager.getImage(wList[index2]);
vertical = gd.getNextBoolean();
return true;
}
void error() {
IJ.error("StackCombiner", "This command requires two stacks\n"
+"that are the same data type.");
}
}
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