void addImage() {
ImagePlus imp = IJ.getImage();
int[] wList = WindowManager.getIDList();
if (wList == null || wList.length < 2) {
IJ.error("Add Image...", "The command requires at least two open images.");
return;
}
String[] titles = new String[wList.length];
for (int i = 0; i < wList.length; i++) {
ImagePlus imp2 = WindowManager.getImage(wList[i]);
titles[i] = imp2 != null ? imp2.getTitle() : "";
}
int x = 0, y = 0;
Roi roi = imp.getRoi();
if (roi != null && roi.isArea()) {
Rectangle r = roi.getBounds();
x = r.x;
y = r.y;
}
int index = 0;
if (wList.length == 2) {
ImagePlus i1 = WindowManager.getImage(wList[0]);
ImagePlus i2 = WindowManager.getImage(wList[1]);
if (i2.getWidth() < i1.getWidth() && i2.getHeight() < i1.getHeight()) index = 1;
} else if (imp.getID() == wList[0]) index = 1;
GenericDialog gd = new GenericDialog("Add Image...");
gd.addChoice("Image to add:", titles, titles[index]);
gd.addNumericField("X location:", x, 0);
gd.addNumericField("Y location:", y, 0);
gd.addNumericField("Opacity (0-100%):", 100, 0);
gd.addCheckbox("Create image selection", createImageRoi);
gd.showDialog();
if (gd.wasCanceled()) return;
index = gd.getNextChoiceIndex();
x = (int) gd.getNextNumber();
y = (int) gd.getNextNumber();
double opacity = gd.getNextNumber() / 100.0;
createImageRoi = gd.getNextBoolean();
ImagePlus overlay = WindowManager.getImage(wList[index]);
if (wList.length == 2) {
ImagePlus i1 = WindowManager.getImage(wList[0]);
ImagePlus i2 = WindowManager.getImage(wList[1]);
if (i2.getWidth() < i1.getWidth() && i2.getHeight() < i1.getHeight()) {
imp = i1;
overlay = i2;
}
}
if (overlay == imp) {
IJ.error(
"Add Image...", "Image to be added cannot be the same as\n\"" + imp.getTitle() + "\".");
return;
}
if (overlay.getWidth() > imp.getWidth() && overlay.getHeight() > imp.getHeight()) {
IJ.error(
"Add Image...", "Image to be added cannnot be larger than\n\"" + imp.getTitle() + "\".");
return;
}
if (createImageRoi && x == 0 && y == 0) {
x = imp.getWidth() / 2 - overlay.getWidth() / 2;
y = imp.getHeight() / 2 - overlay.getHeight() / 2;
}
roi = new ImageRoi(x, y, overlay.getProcessor());
roi.setName(overlay.getShortTitle());
if (opacity != 1.0) ((ImageRoi) roi).setOpacity(opacity);
if (createImageRoi) imp.setRoi(roi);
else {
Overlay overlayList = imp.getOverlay();
if (overlayList == null) overlayList = new Overlay();
overlayList.add(roi);
imp.setOverlay(overlayList);
overlay2 = overlayList;
Undo.setup(Undo.OVERLAY_ADDITION, imp);
}
}
