void drawAllROIs(Graphics g) {
   RoiManager rm = RoiManager.getInstance();
   if (rm == null) {
     rm = Interpreter.getBatchModeRoiManager();
     if (rm != null && rm.getList().getItemCount() == 0) rm = null;
   }
   if (rm == null) {
     // if (showAllList!=null)
     //	overlay = showAllList;
     showAllROIs = false;
     repaint();
     return;
   }
   initGraphics(g, null, showAllColor);
   Hashtable rois = rm.getROIs();
   java.awt.List list = rm.getList();
   boolean drawLabels = rm.getDrawLabels();
   currentRoi = null;
   int n = list.getItemCount();
   if (IJ.debugMode) IJ.log("paint: drawing " + n + " \"Show All\" ROIs");
   if (labelRects == null || labelRects.length != n) labelRects = new Rectangle[n];
   if (!drawLabels) showAllList = new Overlay();
   else showAllList = null;
   if (imp == null) return;
   int currentImage = imp.getCurrentSlice();
   int channel = 0, slice = 0, frame = 0;
   boolean hyperstack = imp.isHyperStack();
   if (hyperstack) {
     channel = imp.getChannel();
     slice = imp.getSlice();
     frame = imp.getFrame();
   }
   drawNames = Prefs.useNamesAsLabels;
   for (int i = 0; i < n; i++) {
     String label = list.getItem(i);
     Roi roi = (Roi) rois.get(label);
     if (roi == null) continue;
     if (showAllList != null) showAllList.add(roi);
     if (i < 200 && drawLabels && roi == imp.getRoi()) currentRoi = roi;
     if (Prefs.showAllSliceOnly && imp.getStackSize() > 1) {
       if (hyperstack && roi.getPosition() == 0) {
         int c = roi.getCPosition();
         int z = roi.getZPosition();
         int t = roi.getTPosition();
         if ((c == 0 || c == channel) && (z == 0 || z == slice) && (t == 0 || t == frame))
           drawRoi(g, roi, drawLabels ? i : -1);
       } else {
         int position = roi.getPosition();
         if (position == 0) position = getSliceNumber(roi.getName());
         if (position == 0 || position == currentImage) drawRoi(g, roi, drawLabels ? i : -1);
       }
     } else drawRoi(g, roi, drawLabels ? i : -1);
   }
   ((Graphics2D) g).setStroke(Roi.onePixelWide);
   drawNames = false;
 }
Example #2
0
 void createNewStack(ImagePlus imp, ImageProcessor ip) {
   int nSlices = imp.getStackSize();
   int w = imp.getWidth(), h = imp.getHeight();
   ImagePlus imp2 = imp.createImagePlus();
   Rectangle r = ip.getRoi();
   boolean crop = r.width != imp.getWidth() || r.height != imp.getHeight();
   ImageStack stack1 = imp.getStack();
   ImageStack stack2 = new ImageStack(newWidth, newHeight);
   ImageProcessor ip1, ip2;
   int method = interpolationMethod;
   if (w == 1 || h == 1) method = ImageProcessor.NONE;
   for (int i = 1; i <= nSlices; i++) {
     IJ.showStatus("Scale: " + i + "/" + nSlices);
     ip1 = stack1.getProcessor(i);
     String label = stack1.getSliceLabel(i);
     if (crop) {
       ip1.setRoi(r);
       ip1 = ip1.crop();
     }
     ip1.setInterpolationMethod(method);
     ip2 = ip1.resize(newWidth, newHeight, averageWhenDownsizing);
     if (ip2 != null) stack2.addSlice(label, ip2);
     IJ.showProgress(i, nSlices);
   }
   imp2.setStack(title, stack2);
   Calibration cal = imp2.getCalibration();
   if (cal.scaled()) {
     cal.pixelWidth *= 1.0 / xscale;
     cal.pixelHeight *= 1.0 / yscale;
   }
   IJ.showProgress(1.0);
   int[] dim = imp.getDimensions();
   imp2.setDimensions(dim[2], dim[3], dim[4]);
   if (imp.isComposite()) {
     imp2 = new CompositeImage(imp2, ((CompositeImage) imp).getMode());
     ((CompositeImage) imp2).copyLuts(imp);
   }
   if (imp.isHyperStack()) imp2.setOpenAsHyperStack(true);
   if (newDepth > 0 && newDepth != oldDepth)
     imp2 = (new Resizer()).zScale(imp2, newDepth, interpolationMethod);
   if (imp2 != null) {
     imp2.show();
     imp2.changes = true;
   }
 }
Example #3
0
 void createNewStack(ImagePlus imp, ImageProcessor ip) {
   Rectangle r = ip.getRoi();
   boolean crop = r.width != imp.getWidth() || r.height != imp.getHeight();
   int nSlices = imp.getStackSize();
   ImageStack stack1 = imp.getStack();
   ImageStack stack2 = new ImageStack(newWidth, newHeight);
   ImageProcessor ip1, ip2;
   boolean interp = interpolate;
   if (imp.getWidth() == 1 || imp.getHeight() == 1) interp = false;
   for (int i = 1; i <= nSlices; i++) {
     IJ.showStatus("Scale: " + i + "/" + nSlices);
     ip1 = stack1.getProcessor(i);
     String label = stack1.getSliceLabel(i);
     if (crop) {
       ip1.setRoi(r);
       ip1 = ip1.crop();
     }
     ip1.setInterpolate(interp);
     ip2 = ip1.resize(newWidth, newHeight);
     if (ip2 != null) stack2.addSlice(label, ip2);
     IJ.showProgress(i, nSlices);
   }
   ImagePlus imp2 = imp.createImagePlus();
   imp2.setStack(title, stack2);
   Calibration cal = imp2.getCalibration();
   if (cal.scaled()) {
     cal.pixelWidth *= 1.0 / xscale;
     cal.pixelHeight *= 1.0 / yscale;
   }
   int[] dim = imp.getDimensions();
   imp2.setDimensions(dim[2], dim[3], dim[4]);
   IJ.showProgress(1.0);
   if (imp.isComposite()) {
     imp2 = new CompositeImage(imp2, 0);
     ((CompositeImage) imp2).copyLuts(imp);
   }
   if (imp.isHyperStack()) imp2.setOpenAsHyperStack(true);
   imp2.show();
   imp2.changes = true;
 }
 void drawOverlay(Graphics g) {
   if (imp != null && imp.getHideOverlay()) return;
   Color labelColor = overlay.getLabelColor();
   if (labelColor == null) labelColor = Color.white;
   initGraphics(g, labelColor, Roi.getColor());
   int n = overlay.size();
   if (IJ.debugMode) IJ.log("paint: drawing " + n + " ROI display list");
   int currentImage = imp != null ? imp.getCurrentSlice() : -1;
   if (imp.getStackSize() == 1) currentImage = -1;
   int channel = 0, slice = 0, frame = 0;
   boolean hyperstack = imp.isHyperStack();
   if (hyperstack) {
     channel = imp.getChannel();
     slice = imp.getSlice();
     frame = imp.getFrame();
   }
   drawNames = overlay.getDrawNames();
   boolean drawLabels = drawNames || overlay.getDrawLabels();
   for (int i = 0; i < n; i++) {
     if (overlay == null) break;
     Roi roi = overlay.get(i);
     if (hyperstack && roi.getPosition() == 0) {
       int c = roi.getCPosition();
       int z = roi.getZPosition();
       int t = roi.getTPosition();
       if ((c == 0 || c == channel) && (z == 0 || z == slice) && (t == 0 || t == frame))
         drawRoi(g, roi, drawLabels ? i + LIST_OFFSET : -1);
     } else {
       int position = roi.getPosition();
       if (position == 0 || position == currentImage)
         drawRoi(g, roi, drawLabels ? i + LIST_OFFSET : -1);
     }
   }
   ((Graphics2D) g).setStroke(Roi.onePixelWide);
   drawNames = false;
 }
Example #5
0
  String getInfo(ImagePlus imp, ImageProcessor ip) {
    String s = new String("\n");
    s += "Title: " + imp.getTitle() + "\n";
    Calibration cal = imp.getCalibration();
    int stackSize = imp.getStackSize();
    int channels = imp.getNChannels();
    int slices = imp.getNSlices();
    int frames = imp.getNFrames();
    int digits = imp.getBitDepth() == 32 ? 4 : 0;
    if (cal.scaled()) {
      String unit = cal.getUnit();
      String units = cal.getUnits();
      s +=
          "Width:  "
              + IJ.d2s(imp.getWidth() * cal.pixelWidth, 2)
              + " "
              + units
              + " ("
              + imp.getWidth()
              + ")\n";
      s +=
          "Height:  "
              + IJ.d2s(imp.getHeight() * cal.pixelHeight, 2)
              + " "
              + units
              + " ("
              + imp.getHeight()
              + ")\n";
      if (slices > 1)
        s += "Depth:  " + IJ.d2s(slices * cal.pixelDepth, 2) + " " + units + " (" + slices + ")\n";
      double xResolution = 1.0 / cal.pixelWidth;
      double yResolution = 1.0 / cal.pixelHeight;
      int places = Tools.getDecimalPlaces(xResolution, yResolution);
      if (xResolution == yResolution)
        s += "Resolution:  " + IJ.d2s(xResolution, places) + " pixels per " + unit + "\n";
      else {
        s += "X Resolution:  " + IJ.d2s(xResolution, places) + " pixels per " + unit + "\n";
        s += "Y Resolution:  " + IJ.d2s(yResolution, places) + " pixels per " + unit + "\n";
      }
    } else {
      s += "Width:  " + imp.getWidth() + " pixels\n";
      s += "Height:  " + imp.getHeight() + " pixels\n";
      if (stackSize > 1) s += "Depth:  " + slices + " pixels\n";
    }
    if (stackSize > 1)
      s +=
          "Voxel size: "
              + d2s(cal.pixelWidth)
              + "x"
              + d2s(cal.pixelHeight)
              + "x"
              + d2s(cal.pixelDepth)
              + " "
              + cal.getUnit()
              + "\n";
    else
      s +=
          "Pixel size: "
              + d2s(cal.pixelWidth)
              + "x"
              + d2s(cal.pixelHeight)
              + " "
              + cal.getUnit()
              + "\n";

    s += "ID: " + imp.getID() + "\n";
    String zOrigin = stackSize > 1 || cal.zOrigin != 0.0 ? "," + d2s(cal.zOrigin) : "";
    s += "Coordinate origin:  " + d2s(cal.xOrigin) + "," + d2s(cal.yOrigin) + zOrigin + "\n";
    int type = imp.getType();
    switch (type) {
      case ImagePlus.GRAY8:
        s += "Bits per pixel: 8 ";
        String lut = "LUT";
        if (imp.getProcessor().isColorLut()) lut = "color " + lut;
        else lut = "grayscale " + lut;
        if (imp.isInvertedLut()) lut = "inverting " + lut;
        s += "(" + lut + ")\n";
        if (imp.getNChannels() > 1) s += displayRanges(imp);
        else s += "Display range: " + (int) ip.getMin() + "-" + (int) ip.getMax() + "\n";
        break;
      case ImagePlus.GRAY16:
      case ImagePlus.GRAY32:
        if (type == ImagePlus.GRAY16) {
          String sign = cal.isSigned16Bit() ? "signed" : "unsigned";
          s += "Bits per pixel: 16 (" + sign + ")\n";
        } else s += "Bits per pixel: 32 (float)\n";
        if (imp.getNChannels() > 1) s += displayRanges(imp);
        else {
          s += "Display range: ";
          double min = ip.getMin();
          double max = ip.getMax();
          if (cal.calibrated()) {
            min = cal.getCValue((int) min);
            max = cal.getCValue((int) max);
          }
          s += IJ.d2s(min, digits) + " - " + IJ.d2s(max, digits) + "\n";
        }
        break;
      case ImagePlus.COLOR_256:
        s += "Bits per pixel: 8 (color LUT)\n";
        break;
      case ImagePlus.COLOR_RGB:
        s += "Bits per pixel: 32 (RGB)\n";
        break;
    }
    double interval = cal.frameInterval;
    double fps = cal.fps;
    if (stackSize > 1) {
      ImageStack stack = imp.getStack();
      int slice = imp.getCurrentSlice();
      String number = slice + "/" + stackSize;
      String label = stack.getShortSliceLabel(slice);
      if (label != null && label.length() > 0) label = " (" + label + ")";
      else label = "";
      if (interval > 0.0 || fps != 0.0) {
        s += "Frame: " + number + label + "\n";
        if (fps != 0.0) {
          String sRate =
              Math.abs(fps - Math.round(fps)) < 0.00001 ? IJ.d2s(fps, 0) : IJ.d2s(fps, 5);
          s += "Frame rate: " + sRate + " fps\n";
        }
        if (interval != 0.0)
          s +=
              "Frame interval: "
                  + ((int) interval == interval ? IJ.d2s(interval, 0) : IJ.d2s(interval, 5))
                  + " "
                  + cal.getTimeUnit()
                  + "\n";
      } else s += "Image: " + number + label + "\n";
      if (imp.isHyperStack()) {
        if (channels > 1) s += "  Channel: " + imp.getChannel() + "/" + channels + "\n";
        if (slices > 1) s += "  Slice: " + imp.getSlice() + "/" + slices + "\n";
        if (frames > 1) s += "  Frame: " + imp.getFrame() + "/" + frames + "\n";
      }
      if (imp.isComposite()) {
        if (!imp.isHyperStack() && channels > 1) s += "  Channels: " + channels + "\n";
        String mode = ((CompositeImage) imp).getModeAsString();
        s += "  Composite mode: \"" + mode + "\"\n";
      }
    }

    if (ip.getMinThreshold() == ImageProcessor.NO_THRESHOLD) s += "No Threshold\n";
    else {
      double lower = ip.getMinThreshold();
      double upper = ip.getMaxThreshold();
      int dp = digits;
      if (cal.calibrated()) {
        lower = cal.getCValue((int) lower);
        upper = cal.getCValue((int) upper);
        dp = cal.isSigned16Bit() ? 0 : 4;
      }
      s += "Threshold: " + IJ.d2s(lower, dp) + "-" + IJ.d2s(upper, dp) + "\n";
    }
    ImageCanvas ic = imp.getCanvas();
    double mag = ic != null ? ic.getMagnification() : 1.0;
    if (mag != 1.0) s += "Magnification: " + IJ.d2s(mag, 2) + "\n";

    if (cal.calibrated()) {
      s += " \n";
      int curveFit = cal.getFunction();
      s += "Calibration Function: ";
      if (curveFit == Calibration.UNCALIBRATED_OD) s += "Uncalibrated OD\n";
      else if (curveFit == Calibration.CUSTOM) s += "Custom lookup table\n";
      else s += CurveFitter.fList[curveFit] + "\n";
      double[] c = cal.getCoefficients();
      if (c != null) {
        s += "  a: " + IJ.d2s(c[0], 6) + "\n";
        s += "  b: " + IJ.d2s(c[1], 6) + "\n";
        if (c.length >= 3) s += "  c: " + IJ.d2s(c[2], 6) + "\n";
        if (c.length >= 4) s += "  c: " + IJ.d2s(c[3], 6) + "\n";
        if (c.length >= 5) s += "  c: " + IJ.d2s(c[4], 6) + "\n";
      }
      s += "  Unit: \"" + cal.getValueUnit() + "\"\n";
    } else s += "Uncalibrated\n";

    FileInfo fi = imp.getOriginalFileInfo();
    if (fi != null) {
      if (fi.url != null && !fi.url.equals("")) s += "URL: " + fi.url + "\n";
      else if (fi.directory != null && fi.fileName != null)
        s += "Path: " + fi.directory + fi.fileName + "\n";
    }

    ImageWindow win = imp.getWindow();
    if (win != null) {
      Point loc = win.getLocation();
      Dimension screen = IJ.getScreenSize();
      s +=
          "Screen location: "
              + loc.x
              + ","
              + loc.y
              + " ("
              + screen.width
              + "x"
              + screen.height
              + ")\n";
    }

    Overlay overlay = imp.getOverlay();
    if (overlay != null) {
      String hidden = imp.getHideOverlay() ? " (hidden)" : " ";
      int n = overlay.size();
      String elements = n == 1 ? " element" : " elements";
      s += "Overlay: " + n + elements + (imp.getHideOverlay() ? " (hidden)" : "") + "\n";
    } else s += "No Overlay\n";

    Roi roi = imp.getRoi();
    if (roi == null) {
      if (cal.calibrated()) s += " \n";
      s += "No Selection\n";
    } else if (roi instanceof EllipseRoi) {
      s += "\nElliptical Selection\n";
      double[] p = ((EllipseRoi) roi).getParams();
      double dx = p[2] - p[0];
      double dy = p[3] - p[1];
      double major = Math.sqrt(dx * dx + dy * dy);
      s += "  Major: " + IJ.d2s(major, 2) + "\n";
      s += "  Minor: " + IJ.d2s(major * p[4], 2) + "\n";
      s += "  X1: " + IJ.d2s(p[0], 2) + "\n";
      s += "  Y1: " + IJ.d2s(p[1], 2) + "\n";
      s += "  X2: " + IJ.d2s(p[2], 2) + "\n";
      s += "  Y2: " + IJ.d2s(p[3], 2) + "\n";
      s += "  Aspect ratio: " + IJ.d2s(p[4], 2) + "\n";
    } else {
      s += " \n";
      s += roi.getTypeAsString() + " Selection";
      String points = null;
      if (roi instanceof PointRoi) {
        int npoints = ((PolygonRoi) roi).getNCoordinates();
        String suffix = npoints > 1 ? "s)" : ")";
        points = " (" + npoints + " point" + suffix;
      }
      String name = roi.getName();
      if (name != null) {
        s += " (\"" + name + "\")";
        if (points != null) s += "\n " + points;
      } else if (points != null) s += points;
      s += "\n";
      Rectangle r = roi.getBounds();
      if (roi instanceof Line) {
        Line line = (Line) roi;
        s += "  X1: " + IJ.d2s(line.x1d * cal.pixelWidth) + "\n";
        s += "  Y1: " + IJ.d2s(yy(line.y1d, imp) * cal.pixelHeight) + "\n";
        s += "  X2: " + IJ.d2s(line.x2d * cal.pixelWidth) + "\n";
        s += "  Y2: " + IJ.d2s(yy(line.y2d, imp) * cal.pixelHeight) + "\n";
      } else if (cal.scaled()) {
        s += "  X: " + IJ.d2s(cal.getX(r.x)) + " (" + r.x + ")\n";
        s += "  Y: " + IJ.d2s(cal.getY(r.y, imp.getHeight())) + " (" + r.y + ")\n";
        s += "  Width: " + IJ.d2s(r.width * cal.pixelWidth) + " (" + r.width + ")\n";
        s += "  Height: " + IJ.d2s(r.height * cal.pixelHeight) + " (" + r.height + ")\n";
      } else {
        s += "  X: " + r.x + "\n";
        s += "  Y: " + yy(r.y, imp) + "\n";
        s += "  Width: " + r.width + "\n";
        s += "  Height: " + r.height + "\n";
      }
    }

    return s;
  }
Example #6
0
 public void textValueChanged(TextEvent e) {
   Object source = e.getSource();
   double newXScale = xscale;
   double newYScale = yscale;
   double newZScale = zscale;
   if (source == xField && fieldWithFocus == xField) {
     String newXText = xField.getText();
     newXScale = Tools.parseDouble(newXText, 0);
     if (newXScale == 0) return;
     if (newXScale != xscale) {
       int newWidth = (int) (newXScale * r.width);
       widthField.setText("" + newWidth);
       if (constainAspectRatio) {
         yField.setText(newXText);
         int newHeight = (int) (newXScale * r.height);
         heightField.setText("" + newHeight);
       }
     }
   } else if (source == yField && fieldWithFocus == yField) {
     String newYText = yField.getText();
     newYScale = Tools.parseDouble(newYText, 0);
     if (newYScale == 0) return;
     if (newYScale != yscale) {
       int newHeight = (int) (newYScale * r.height);
       heightField.setText("" + newHeight);
     }
   } else if (source == zField && fieldWithFocus == zField) {
     String newZText = zField.getText();
     newZScale = Tools.parseDouble(newZText, 0);
     if (newZScale == 0) return;
     if (newZScale != zscale) {
       int nSlices = imp.getStackSize();
       if (imp.isHyperStack()) {
         int slices = imp.getNSlices();
         int frames = imp.getNFrames();
         if (slices == 1 && frames > 1) nSlices = frames;
         else nSlices = slices;
       }
       int newDepth = (int) (newZScale * nSlices);
       depthField.setText("" + newDepth);
     }
   } else if (source == widthField && fieldWithFocus == widthField) {
     int newWidth = (int) Tools.parseDouble(widthField.getText(), 0.0);
     if (newWidth != 0) {
       int newHeight = (int) (newWidth * (double) r.height / r.width);
       heightField.setText("" + newHeight);
       xField.setText("-");
       yField.setText("-");
       newXScale = 0.0;
       newYScale = 0.0;
     }
   } else if (source == depthField && fieldWithFocus == depthField) {
     int newDepth = (int) Tools.parseDouble(depthField.getText(), 0.0);
     if (newDepth != 0) {
       zField.setText("-");
       newZScale = 0.0;
     }
   }
   xscale = newXScale;
   yscale = newYScale;
   zscale = newZScale;
 }
Example #7
0
  boolean showDialog(ImageProcessor ip) {
    String macroOptions = Macro.getOptions();
    if (macroOptions != null) {
      if (macroOptions.indexOf(" interpolate") != -1)
        macroOptions.replaceAll(" interpolate", " interpolation=Bilinear");
      else if (macroOptions.indexOf(" interpolation=") == -1)
        macroOptions = macroOptions + " interpolation=None";
      Macro.setOptions(macroOptions);
    }
    int bitDepth = imp.getBitDepth();
    int stackSize = imp.getStackSize();
    boolean isStack = stackSize > 1;
    oldDepth = stackSize;
    if (isStack) {
      xstr = "1.0";
      ystr = "1.0";
      zstr = "1.0";
    }
    r = ip.getRoi();
    int width = newWidth;
    if (width == 0) width = r.width;
    int height = (int) ((double) width * r.height / r.width);
    xscale = Tools.parseDouble(xstr, 0.0);
    yscale = Tools.parseDouble(ystr, 0.0);
    zscale = 1.0;
    if (xscale != 0.0 && yscale != 0.0) {
      width = (int) (r.width * xscale);
      height = (int) (r.height * yscale);
    } else {
      xstr = "-";
      ystr = "-";
    }
    GenericDialog gd = new GenericDialog("Scale");
    gd.addStringField("X Scale:", xstr);
    gd.addStringField("Y Scale:", ystr);
    if (isStack) gd.addStringField("Z Scale:", zstr);
    gd.setInsets(5, 0, 5);
    gd.addStringField("Width (pixels):", "" + width);
    gd.addStringField("Height (pixels):", "" + height);
    if (isStack) {
      String label = "Depth (images):";
      if (imp.isHyperStack()) {
        int slices = imp.getNSlices();
        int frames = imp.getNFrames();
        if (slices == 1 && frames > 1) {
          label = "Depth (frames):";
          oldDepth = frames;
        } else {
          label = "Depth (slices):";
          oldDepth = slices;
        }
      }
      gd.addStringField(label, "" + oldDepth);
    }
    fields = gd.getStringFields();
    for (int i = 0; i < fields.size(); i++) {
      ((TextField) fields.elementAt(i)).addTextListener(this);
      ((TextField) fields.elementAt(i)).addFocusListener(this);
    }
    xField = (TextField) fields.elementAt(0);
    yField = (TextField) fields.elementAt(1);
    if (isStack) {
      zField = (TextField) fields.elementAt(2);
      widthField = (TextField) fields.elementAt(3);
      heightField = (TextField) fields.elementAt(4);
      depthField = (TextField) fields.elementAt(5);
    } else {
      widthField = (TextField) fields.elementAt(2);
      heightField = (TextField) fields.elementAt(3);
    }
    fieldWithFocus = xField;
    gd.addChoice("Interpolation:", methods, methods[interpolationMethod]);
    if (bitDepth == 8 || bitDepth == 24)
      gd.addCheckbox("Fill with background color", fillWithBackground);
    gd.addCheckbox("Average when downsizing", averageWhenDownsizing);
    boolean hyperstack = imp.isHyperStack() || imp.isComposite();
    if (isStack && !hyperstack) gd.addCheckbox("Process entire stack", processStack);
    gd.addCheckbox("Create new window", newWindow);
    title = WindowManager.getUniqueName(imp.getTitle());
    gd.setInsets(10, 0, 0);
    gd.addStringField("Title:", title, 12);
    gd.showDialog();
    if (gd.wasCanceled()) return false;
    xstr = gd.getNextString();
    ystr = gd.getNextString();
    xscale = Tools.parseDouble(xstr, 0.0);
    yscale = Tools.parseDouble(ystr, 0.0);
    if (isStack) {
      zstr = gd.getNextString();
      zscale = Tools.parseDouble(ystr, 0.0);
    }
    String wstr = gd.getNextString();
    newWidth = (int) Tools.parseDouble(wstr, 0);
    newHeight = (int) Tools.parseDouble(gd.getNextString(), 0);
    if (newHeight != 0 && (wstr.equals("-") || wstr.equals("0")))
      newWidth = (int) (newHeight * (double) r.width / r.height);
    if (newWidth == 0 || newHeight == 0) {
      IJ.error("Scaler", "Width or height is 0");
      return false;
    }
    if (xscale > 0.0 && yscale > 0.0) {
      newWidth = (int) (r.width * xscale);
      newHeight = (int) (r.height * yscale);
    }
    if (isStack) newDepth = (int) Tools.parseDouble(gd.getNextString(), 0);
    interpolationMethod = gd.getNextChoiceIndex();
    if (bitDepth == 8 || bitDepth == 24) fillWithBackground = gd.getNextBoolean();
    averageWhenDownsizing = gd.getNextBoolean();
    if (isStack && !hyperstack) processStack = gd.getNextBoolean();
    if (hyperstack) processStack = true;
    newWindow = gd.getNextBoolean();
    if (xscale == 0.0) {
      xscale = (double) newWidth / r.width;
      yscale = (double) newHeight / r.height;
    }
    title = gd.getNextString();

    if (fillWithBackground) {
      Color bgc = Toolbar.getBackgroundColor();
      if (bitDepth == 8) bgValue = ip.getBestIndex(bgc);
      else if (bitDepth == 24) bgValue = bgc.getRGB();
    } else bgValue = 0.0;
    return true;
  }