private void makeBand(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("Make Band");
return;
}
if (!roi.isArea()) {
IJ.error("Make Band", "Area selection required");
return;
}
Calibration cal = imp.getCalibration();
double pixels = bandSize;
double size = pixels * cal.pixelWidth;
int decimalPlaces = 0;
if ((int) size != size) decimalPlaces = 2;
GenericDialog gd = new GenericDialog("Make Band");
gd.addNumericField("Band Size:", size, decimalPlaces, 4, cal.getUnits());
gd.showDialog();
if (gd.wasCanceled()) return;
size = gd.getNextNumber();
if (Double.isNaN(size)) {
IJ.error("Make Band", "invalid number");
return;
}
int n = (int) Math.round(size / cal.pixelWidth);
if (n > 255) {
IJ.error("Make Band", "Cannot make bands wider that 255 pixels");
return;
}
int width = imp.getWidth();
int height = imp.getHeight();
Rectangle r = roi.getBounds();
ImageProcessor ip = roi.getMask();
if (ip == null) {
ip = new ByteProcessor(r.width, r.height);
ip.invert();
}
ImageProcessor mask = new ByteProcessor(width, height);
mask.insert(ip, r.x, r.y);
ImagePlus edm = new ImagePlus("mask", mask);
boolean saveBlackBackground = Prefs.blackBackground;
Prefs.blackBackground = false;
IJ.run(edm, "Distance Map", "");
Prefs.blackBackground = saveBlackBackground;
ip = edm.getProcessor();
ip.setThreshold(0, n, ImageProcessor.NO_LUT_UPDATE);
int xx = -1, yy = -1;
for (int x = r.x; x < r.x + r.width; x++) {
for (int y = r.y; y < r.y + r.height; y++) {
if (ip.getPixel(x, y) < n) {
xx = x;
yy = y;
break;
}
}
if (xx >= 0 || yy >= 0) break;
}
int count = IJ.doWand(edm, xx, yy, 0, null);
if (count <= 0) {
IJ.error("Make Band", "Unable to make band");
return;
}
ShapeRoi roi2 = new ShapeRoi(edm.getRoi());
if (!(roi instanceof ShapeRoi)) roi = new ShapeRoi(roi);
ShapeRoi roi1 = (ShapeRoi) roi;
roi2 = roi2.not(roi1);
imp.setRoi(roi2);
bandSize = n;
}
public void mousePressed(MouseEvent e) {
// if (ij==null) return;
showCursorStatus = true;
int toolID = Toolbar.getToolId();
ImageWindow win = imp.getWindow();
if (win != null && win.running2 && toolID != Toolbar.MAGNIFIER) {
if (win instanceof StackWindow) ((StackWindow) win).setAnimate(false);
else win.running2 = false;
return;
}
int x = e.getX();
int y = e.getY();
flags = e.getModifiers();
// IJ.log("Mouse pressed: " + e.isPopupTrigger() + " " + ij.modifiers(flags));
// if (toolID!=Toolbar.MAGNIFIER && e.isPopupTrigger()) {
if (toolID != Toolbar.MAGNIFIER
&& (e.isPopupTrigger() || (!IJ.isMacintosh() && (flags & Event.META_MASK) != 0))) {
handlePopupMenu(e);
return;
}
int ox = offScreenX(x);
int oy = offScreenY(y);
xMouse = ox;
yMouse = oy;
if (IJ.spaceBarDown()) {
// temporarily switch to "hand" tool of space bar down
setupScroll(ox, oy);
return;
}
if (showAllROIs) {
Roi roi = imp.getRoi();
if (!(roi != null && (roi.contains(ox, oy) || roi.isHandle(x, y) >= 0))
&& roiManagerSelect(x, y)) return;
}
if (customRoi && overlay != null) return;
switch (toolID) {
case Toolbar.MAGNIFIER:
if (IJ.shiftKeyDown()) zoomToSelection(ox, oy);
else if ((flags & (Event.ALT_MASK | Event.META_MASK | Event.CTRL_MASK)) != 0) {
// IJ.run("Out");
zoomOut(x, y);
if (getMagnification() < 1.0) imp.repaintWindow();
} else {
// IJ.run("In");
zoomIn(x, y);
if (getMagnification() <= 1.0) imp.repaintWindow();
}
break;
case Toolbar.HAND:
setupScroll(ox, oy);
break;
case Toolbar.DROPPER:
setDrawingColor(ox, oy, IJ.altKeyDown());
break;
case Toolbar.WAND:
Roi roi = imp.getRoi();
if (roi != null && roi.contains(ox, oy)) {
Rectangle r = roi.getBounds();
if (r.width == imageWidth && r.height == imageHeight) imp.killRoi();
else if (!e.isAltDown()) {
handleRoiMouseDown(e);
return;
}
}
if (roi != null) {
int handle = roi.isHandle(x, y);
if (handle >= 0) {
roi.mouseDownInHandle(handle, x, y);
return;
}
}
setRoiModState(e, roi, -1);
String mode = WandToolOptions.getMode();
double tolerance = WandToolOptions.getTolerance();
int npoints = IJ.doWand(ox, oy, tolerance, mode);
if (Recorder.record && npoints > 0) {
if (tolerance == 0.0 && mode.equals("Legacy")) Recorder.record("doWand", ox, oy);
else
Recorder.recordString(
"doWand(" + ox + ", " + oy + ", " + tolerance + ", \"" + mode + "\");\n");
}
break;
case Toolbar.OVAL:
if (Toolbar.getBrushSize() > 0) new RoiBrush();
else handleRoiMouseDown(e);
break;
case Toolbar.SPARE1:
case Toolbar.SPARE2:
case Toolbar.SPARE3:
case Toolbar.SPARE4:
case Toolbar.SPARE5:
case Toolbar.SPARE6:
case Toolbar.SPARE7:
case Toolbar.SPARE8:
case Toolbar.SPARE9:
Toolbar.getInstance().runMacroTool(toolID);
break;
default: // selection tool
handleRoiMouseDown(e);
}
}