Example #1
0
 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);
    }
  }