Beispiel #1
0
 void showDialog() {
   int width = imp.getWidth();
   int height = imp.getHeight();
   Calibration cal = imp.getCalibration();
   int places;
   if (cal.scaled()) {
     pixelWidth = cal.pixelWidth;
     pixelHeight = cal.pixelHeight;
     units = cal.getUnits();
     places = 2;
   } else {
     pixelWidth = 1.0;
     pixelHeight = 1.0;
     units = "pixels";
     places = 0;
   }
   if (areaPerPoint == 0.0)
     areaPerPoint =
         (width * cal.pixelWidth * height * cal.pixelHeight) / 81.0; // default to 9x9 grid
   ImageWindow win = imp.getWindow();
   GenericDialog gd = new GenericDialog("Grid...");
   gd.addChoice("Grid Type:", types, type);
   gd.addNumericField("Area per Point:", areaPerPoint, places, 6, units + "^2");
   gd.addChoice("Color:", colors, color);
   gd.addCheckbox("Random Offset", randomOffset);
   gd.addDialogListener(this);
   gd.showDialog();
   if (gd.wasCanceled()) showGrid(null);
 }
 /** Sets the cursor based on the current tool and cursor location. */
 public void setCursor(int sx, int sy, int ox, int oy) {
   xMouse = ox;
   yMouse = oy;
   mouseExited = false;
   Roi roi = imp.getRoi();
   ImageWindow win = imp.getWindow();
   if (win == null) return;
   if (IJ.spaceBarDown()) {
     setCursor(handCursor);
     return;
   }
   int id = Toolbar.getToolId();
   switch (Toolbar.getToolId()) {
     case Toolbar.MAGNIFIER:
       setCursor(moveCursor);
       break;
     case Toolbar.HAND:
       setCursor(handCursor);
       break;
     default: // selection tool
       if (id == Toolbar.SPARE1 || id >= Toolbar.SPARE2) {
         if (Prefs.usePointerCursor) setCursor(defaultCursor);
         else setCursor(crosshairCursor);
       } else if (roi != null && roi.getState() != roi.CONSTRUCTING && roi.isHandle(sx, sy) >= 0)
         setCursor(handCursor);
       else if (Prefs.usePointerCursor
           || (roi != null && roi.getState() != roi.CONSTRUCTING && roi.contains(ox, oy)))
         setCursor(defaultCursor);
       else setCursor(crosshairCursor);
   }
 }
Beispiel #3
0
 /**
  * Creates a dialog box, allowing the user to enter the requested width, height, x & y
  * coordinates, slice number for a Region Of Interest, option for oval, and option for whether x &
  * y coordinates to be centered.
  */
 void showDialog() {
   Calibration cal = imp.getCalibration();
   int digits = 0;
   if (scaledUnits && cal.scaled()) digits = 2;
   Roi roi = imp.getRoi();
   if (roi == null) drawRoi();
   GenericDialog gd = new GenericDialog("Specify");
   gd.addNumericField("Width:", width, digits);
   gd.addNumericField("Height:", height, digits);
   gd.addNumericField("X coordinate:", xRoi, digits);
   gd.addNumericField("Y coordinate:", yRoi, digits);
   if (stackSize > 1) gd.addNumericField("Slice:", iSlice, 0);
   gd.addCheckbox("Oval", oval);
   gd.addCheckbox("Constrain square/circle", square);
   gd.addCheckbox("Centered", centered);
   if (cal.scaled()) {
     boolean unitsMatch = cal.getXUnit().equals(cal.getYUnit());
     String units = unitsMatch ? cal.getUnits() : cal.getXUnit() + " x " + cal.getYUnit();
     gd.addCheckbox("Scaled units (" + units + ")", scaledUnits);
   }
   fields = gd.getNumericFields();
   gd.addDialogListener(this);
   gd.showDialog();
   if (gd.wasCanceled()) {
     if (roi == null) imp.deleteRoi();
     else // *ALWAYS* restore initial ROI when cancelled
     imp.setRoi(roi);
   }
 }
Beispiel #4
0
 private String getExifData(ImagePlus imp) {
   FileInfo fi = imp.getOriginalFileInfo();
   if (fi == null) return null;
   String directory = fi.directory;
   String name = fi.fileName;
   if (directory == null) return null;
   if ((name == null || name.equals("")) && imp.getStack().isVirtual())
     name = imp.getStack().getSliceLabel(imp.getCurrentSlice());
   if (name == null || !(name.endsWith("jpg") || name.endsWith("JPG"))) return null;
   String path = directory + name;
   String metadata = null;
   try {
     Class c = IJ.getClassLoader().loadClass("Exif_Reader");
     if (c == null) return null;
     String methodName = "getMetadata";
     Class[] argClasses = new Class[1];
     argClasses[0] = methodName.getClass();
     Method m = c.getMethod("getMetadata", argClasses);
     Object[] args = new Object[1];
     args[0] = path;
     Object obj = m.invoke(null, args);
     metadata = obj != null ? obj.toString() : null;
   } catch (Exception e) {
     return null;
   }
   if (metadata != null && !metadata.startsWith("Error:")) return metadata;
   else return null;
 }
 public void mouseMoved(MouseEvent e) {
   // if (ij==null) return;
   int sx = e.getX();
   int sy = e.getY();
   int ox = offScreenX(sx);
   int oy = offScreenY(sy);
   flags = e.getModifiers();
   setCursor(sx, sy, ox, oy);
   IJ.setInputEvent(e);
   Roi roi = imp.getRoi();
   if (roi != null
       && (roi.getType() == Roi.POLYGON
           || roi.getType() == Roi.POLYLINE
           || roi.getType() == Roi.ANGLE)
       && roi.getState() == roi.CONSTRUCTING) {
     PolygonRoi pRoi = (PolygonRoi) roi;
     pRoi.handleMouseMove(ox, oy);
   } else {
     if (ox < imageWidth && oy < imageHeight) {
       ImageWindow win = imp.getWindow();
       // Cursor must move at least 12 pixels before text
       // displayed using IJ.showStatus() is overwritten.
       if ((sx - sx2) * (sx - sx2) + (sy - sy2) * (sy - sy2) > 144) showCursorStatus = true;
       if (win != null && showCursorStatus) win.mouseMoved(ox, oy);
     } else IJ.showStatus("");
   }
 }
Beispiel #6
0
 boolean validDialogValues() {
   Calibration cal = imp.getCalibration();
   double pw = cal.pixelWidth, ph = cal.pixelHeight;
   if (width / pw < 1 || height / ph < 1) return false;
   if (xRoi / pw > imp.getWidth() || yRoi / ph > imp.getHeight()) return false;
   return true;
 }
Beispiel #7
0
 /**
  * Adds a checkbox labelled "Preview" for "automatic" preview. The reference to this checkbox can
  * be retrieved by getPreviewCheckbox() and it provides the additional method previewRunning for
  * optical feedback while preview is prepared. PlugInFilters can have their "run" method
  * automatically called for preview under the following conditions: - the PlugInFilter must pass a
  * reference to itself (i.e., "this") as an argument to the AddPreviewCheckbox - it must implement
  * the DialogListener interface and set the filter parameters in the dialogItemChanged method. -
  * it must have DIALOG and PREVIEW set in its flags. A previewCheckbox is always off when the
  * filter is started and does not get recorded by the Macro Recorder.
  *
  * @param pfr A reference to the PlugInFilterRunner calling the PlugInFilter if automatic preview
  *     is desired, null otherwise.
  */
 public void addPreviewCheckbox(PlugInFilterRunner pfr) {
   if (previewCheckbox != null) return;
   ImagePlus imp = WindowManager.getCurrentImage();
   if (imp != null && imp.isComposite() && ((CompositeImage) imp).getMode() == IJ.COMPOSITE)
     return;
   this.pfr = pfr;
   addCheckbox(previewLabel, false, true);
 }
 /**
  * Zooms out by making the source rectangle (srcRect) larger and centering it on (x,y). If we
  * can't make it larger, then make the window smaller.
  */
 public void zoomOut(int x, int y) {
   if (magnification <= 0.03125) return;
   double oldMag = magnification;
   double newMag = getLowerZoomLevel(magnification);
   double srcRatio = (double) srcRect.width / srcRect.height;
   double imageRatio = (double) imageWidth / imageHeight;
   double initialMag = imp.getWindow().getInitialMagnification();
   if (Math.abs(srcRatio - imageRatio) > 0.05) {
     double scale = oldMag / newMag;
     int newSrcWidth = (int) Math.round(srcRect.width * scale);
     int newSrcHeight = (int) Math.round(srcRect.height * scale);
     if (newSrcWidth > imageWidth) newSrcWidth = imageWidth;
     if (newSrcHeight > imageHeight) newSrcHeight = imageHeight;
     int newSrcX = srcRect.x - (newSrcWidth - srcRect.width) / 2;
     int newSrcY = srcRect.y - (newSrcHeight - srcRect.height) / 2;
     if (newSrcX < 0) newSrcX = 0;
     if (newSrcY < 0) newSrcY = 0;
     srcRect = new Rectangle(newSrcX, newSrcY, newSrcWidth, newSrcHeight);
     // IJ.log(newMag+" "+srcRect+" "+dstWidth+" "+dstHeight);
     int newDstWidth = (int) (srcRect.width * newMag);
     int newDstHeight = (int) (srcRect.height * newMag);
     setMagnification(newMag);
     setMaxBounds();
     // IJ.log(newDstWidth+" "+dstWidth+" "+newDstHeight+" "+dstHeight);
     if (newDstWidth < dstWidth || newDstHeight < dstHeight) {
       // IJ.log("pack");
       setDrawingSize(newDstWidth, newDstHeight);
       imp.getWindow().pack();
     } else repaint();
     return;
   }
   if (imageWidth * newMag > dstWidth) {
     int w = (int) Math.round(dstWidth / newMag);
     if (w * newMag < dstWidth) w++;
     int h = (int) Math.round(dstHeight / newMag);
     if (h * newMag < dstHeight) h++;
     x = offScreenX(x);
     y = offScreenY(y);
     Rectangle r = new Rectangle(x - w / 2, y - h / 2, w, h);
     if (r.x < 0) r.x = 0;
     if (r.y < 0) r.y = 0;
     if (r.x + w > imageWidth) r.x = imageWidth - w;
     if (r.y + h > imageHeight) r.y = imageHeight - h;
     srcRect = r;
   } else {
     srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
     setDrawingSize((int) (imageWidth * newMag), (int) (imageHeight * newMag));
     // setDrawingSize(dstWidth/2, dstHeight/2);
     imp.getWindow().pack();
   }
   // IJ.write(newMag + " " + srcRect.x+" "+srcRect.y+" "+srcRect.width+" "+srcRect.height+"
   // "+dstWidth + " " + dstHeight);
   setMagnification(newMag);
   // IJ.write(srcRect.x + " " + srcRect.width + " " + dstWidth);
   setMaxBounds();
   repaint();
 }
Beispiel #9
0
 protected void hideRois() {
   if (currentImage == null) return;
   currentImage.killRoi();
   if (currentImage.isVisible()) {
     currentImage.updateAndDraw();
     ImageUtils.removeScrollListener(currentImage, this, this);
   }
   currentImage = null;
 }
 void updateImage(ImagePlus imp) {
   this.imp = imp;
   int width = imp.getWidth();
   int height = imp.getHeight();
   imageWidth = width;
   imageHeight = height;
   srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
   setDrawingSize(imageWidth, (int) imageHeight);
   magnification = 1.0;
 }
 /** Sets the color used used for the ROI Manager "Show All" mode. */
 public static void setShowAllColor(Color c) {
   if (c == null) return;
   showAllColor = c;
   labelColor = null;
   ImagePlus img = WindowManager.getCurrentImage();
   if (img != null) {
     ImageCanvas ic = img.getCanvas();
     if (ic != null && ic.getShowAllROIs()) img.draw();
   }
 }
Beispiel #12
0
 protected void updateRoi() {
   // System.out.println("image:"+currentImage.getTitle()+ " slice:"+currentImage.getSlice());
   Roi r = currentROIs.get(currentImage.getSlice());
   if (r != null) {
     currentImage.setRoi(r);
   } else {
     currentImage.killRoi();
   }
   currentImage.updateAndDraw();
 }
 public int setup(String arg, ImagePlus imp) {
   this.arg = arg;
   this.imp = imp;
   // return IJ.setupDialog(imp, DOES_8G+DOES_8C+SUPPORTS_MASKING);
   if (imp != null) {
     Roi roi = imp.getRoi();
     if (roi != null && !roi.isArea()) imp.killRoi(); // ignore any line selection
   }
   int flags = IJ.setupDialog(imp, DOES_ALL - DOES_8C + SUPPORTS_MASKING);
   return flags;
 }
Beispiel #14
0
 private boolean ignoreArrowKeys(ImagePlus imp) {
   Frame frame = WindowManager.getFrontWindow();
   String title = frame.getTitle();
   if (title != null && title.equals("ROI Manager")) return true;
   // Control Panel?
   if (frame != null && frame instanceof javax.swing.JFrame) return true;
   ImageWindow win = imp.getWindow();
   // LOCI Data Browser window?
   if (imp.getStackSize() > 1 && win != null && win.getClass().getName().startsWith("loci"))
     return true;
   return false;
 }
 /** Implements the Image/Zoom/Original Scale command. */
 public void unzoom() {
   double imag = imp.getWindow().getInitialMagnification();
   if (magnification == imag) return;
   srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
   ImageWindow win = imp.getWindow();
   setDrawingSize((int) (imageWidth * imag), (int) (imageHeight * imag));
   setMagnification(imag);
   setMaxBounds();
   win.pack();
   setMaxBounds();
   repaint();
 }
Beispiel #16
0
 public String getImageInfo(ImagePlus imp, ImageProcessor ip) {
   String infoProperty = null;
   if (imp.getStackSize() > 1) {
     ImageStack stack = imp.getStack();
     String label = stack.getSliceLabel(imp.getCurrentSlice());
     if (label != null && label.indexOf('\n') > 0) infoProperty = label;
   }
   if (infoProperty == null) {
     infoProperty = (String) imp.getProperty("Info");
     if (infoProperty == null) infoProperty = getExifData(imp);
   }
   String info = getInfo(imp, ip);
   if (infoProperty != null) return infoProperty + "\n------------------------\n" + info;
   else return info;
 }
Beispiel #17
0
 void setStackDisplayRange(ImagePlus imp) {
   ImageStack stack = imp.getStack();
   double min = Double.MAX_VALUE;
   double max = -Double.MAX_VALUE;
   int n = stack.getSize();
   for (int i = 1; i <= n; i++) {
     if (!silentMode) IJ.showStatus("Calculating stack min and max: " + i + "/" + n);
     ImageProcessor ip = stack.getProcessor(i);
     ip.resetMinAndMax();
     if (ip.getMin() < min) min = ip.getMin();
     if (ip.getMax() > max) max = ip.getMax();
   }
   imp.getProcessor().setMinAndMax(min, max);
   imp.updateAndDraw();
 }
 public ImageCanvas(ImagePlus imp) {
   this.imp = imp;
   ij = IJ.getInstance();
   int width = imp.getWidth();
   int height = imp.getHeight();
   imageWidth = width;
   imageHeight = height;
   srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
   setDrawingSize(imageWidth, (int) (imageHeight));
   magnification = 1.0;
   addMouseListener(this);
   addMouseMotionListener(this);
   addKeyListener(ij); // ImageJ handles keyboard shortcuts
   setFocusTraversalKeysEnabled(false);
 }
 /** Enlarge the canvas if the user enlarges the window. */
 void resizeCanvas(int width, int height) {
   ImageWindow win = imp.getWindow();
   // IJ.log("resizeCanvas: "+srcRect+" "+imageWidth+"  "+imageHeight+" "+width+"  "+height+"
   // "+dstWidth+"  "+dstHeight+" "+win.maxBounds);
   if (!maxBoundsReset
       && (width > dstWidth || height > dstHeight)
       && win != null
       && win.maxBounds != null
       && width != win.maxBounds.width - 10) {
     if (resetMaxBoundsCount != 0)
       resetMaxBounds(); // Works around problem that prevented window from being larger than
                         // maximized size
     resetMaxBoundsCount++;
   }
   if (IJ.altKeyDown()) {
     fitToWindow();
     return;
   }
   if (srcRect.width < imageWidth || srcRect.height < imageHeight) {
     if (width > imageWidth * magnification) width = (int) (imageWidth * magnification);
     if (height > imageHeight * magnification) height = (int) (imageHeight * magnification);
     setDrawingSize(width, height);
     srcRect.width = (int) (dstWidth / magnification);
     srcRect.height = (int) (dstHeight / magnification);
     if ((srcRect.x + srcRect.width) > imageWidth) srcRect.x = imageWidth - srcRect.width;
     if ((srcRect.y + srcRect.height) > imageHeight) srcRect.y = imageHeight - srcRect.height;
     repaint();
   }
   // IJ.log("resizeCanvas2: "+srcRect+" "+dstWidth+"  "+dstHeight+" "+width+"  "+height);
 }
 void resetMaxBounds() {
   ImageWindow win = imp.getWindow();
   if (win != null && (System.currentTimeMillis() - win.setMaxBoundsTime) > 500L) {
     win.setMaximizedBounds(win.maxWindowBounds);
     maxBoundsReset = true;
   }
 }
 public void mouseExited(MouseEvent e) {
   // autoScroll(e);
   ImageWindow win = imp.getWindow();
   if (win != null) setCursor(defaultCursor);
   IJ.showStatus("");
   mouseExited = true;
 }
Beispiel #22
0
 void drawLines() {
   GeneralPath path = new GeneralPath();
   int width = imp.getWidth();
   int height = imp.getHeight();
   for (int i = 0; i < linesV; i++) {
     float xoff = (float) (xstart + i * tileWidth);
     path.moveTo(xoff, 0f);
     path.lineTo(xoff, height);
   }
   for (int i = 0; i < linesH; i++) {
     float yoff = (float) (ystart + i * tileHeight);
     path.moveTo(0f, yoff);
     path.lineTo(width, yoff);
   }
   showGrid(path);
 }
Beispiel #23
0
 /** Opens a stack of images. */
 ImagePlus openStack(ColorModel cm, boolean show) {
   ImageStack stack = new ImageStack(fi.width, fi.height, cm);
   long skip = fi.getOffset();
   Object pixels;
   try {
     ImageReader reader = new ImageReader(fi);
     InputStream is = createInputStream(fi);
     if (is == null) return null;
     IJ.resetEscape();
     for (int i = 1; i <= fi.nImages; i++) {
       if (!silentMode) IJ.showStatus("Reading: " + i + "/" + fi.nImages);
       if (IJ.escapePressed()) {
         IJ.beep();
         IJ.showProgress(1.0);
         silentMode = false;
         return null;
       }
       pixels = reader.readPixels(is, skip);
       if (pixels == null) break;
       stack.addSlice(null, pixels);
       skip = fi.gapBetweenImages;
       if (!silentMode) IJ.showProgress(i, fi.nImages);
     }
     is.close();
   } catch (Exception e) {
     IJ.log("" + e);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory(fi.fileName);
     stack.trim();
   }
   if (!silentMode) IJ.showProgress(1.0);
   if (stack.getSize() == 0) return null;
   if (fi.sliceLabels != null && fi.sliceLabels.length <= stack.getSize()) {
     for (int i = 0; i < fi.sliceLabels.length; i++) stack.setSliceLabel(fi.sliceLabels[i], i + 1);
   }
   ImagePlus imp = new ImagePlus(fi.fileName, stack);
   if (fi.info != null) imp.setProperty("Info", fi.info);
   if (show) imp.show();
   imp.setFileInfo(fi);
   setCalibration(imp);
   ImageProcessor ip = imp.getProcessor();
   if (ip.getMin() == ip.getMax()) // find stack min and max if first slice is blank
   setStackDisplayRange(imp);
   if (!silentMode) IJ.showProgress(1.0);
   silentMode = false;
   return imp;
 }
 protected void handleRoiMouseDown(MouseEvent e) {
   int sx = e.getX();
   int sy = e.getY();
   int ox = offScreenX(sx);
   int oy = offScreenY(sy);
   Roi roi = imp.getRoi();
   int handle = roi != null ? roi.isHandle(sx, sy) : -1;
   boolean multiPointMode =
       roi != null
           && (roi instanceof PointRoi)
           && handle == -1
           && Toolbar.getToolId() == Toolbar.POINT
           && Toolbar.getMultiPointMode();
   if (multiPointMode) {
     imp.setRoi(((PointRoi) roi).addPoint(ox, oy));
     return;
   }
   setRoiModState(e, roi, handle);
   if (roi != null) {
     if (handle >= 0) {
       roi.mouseDownInHandle(handle, sx, sy);
       return;
     }
     Rectangle r = roi.getBounds();
     int type = roi.getType();
     if (type == Roi.RECTANGLE
         && r.width == imp.getWidth()
         && r.height == imp.getHeight()
         && roi.getPasteMode() == Roi.NOT_PASTING
         && !(roi instanceof ImageRoi)) {
       imp.killRoi();
       return;
     }
     if (roi.contains(ox, oy)) {
       if (roi.modState == Roi.NO_MODS) roi.handleMouseDown(sx, sy);
       else {
         imp.killRoi();
         imp.createNewRoi(sx, sy);
       }
       return;
     }
     if ((type == Roi.POLYGON || type == Roi.POLYLINE || type == Roi.ANGLE)
         && roi.getState() == roi.CONSTRUCTING) return;
     int tool = Toolbar.getToolId();
     if ((tool == Toolbar.POLYGON || tool == Toolbar.POLYLINE || tool == Toolbar.ANGLE)
         && !(IJ.shiftKeyDown() || IJ.altKeyDown())) {
       imp.killRoi();
       return;
     }
   }
   imp.createNewRoi(sx, sy);
 }
Beispiel #25
0
 public void run(String arg) {
   imp = IJ.getImage();
   Roi roi = imp.getRoi();
   if (roi != null && !roi.isArea()) imp.killRoi(); // ignore any line selection
   ImageProcessor ip = imp.getProcessor();
   if (!showDialog(ip)) return;
   if (ip.getWidth() > 1 && ip.getHeight() > 1) ip.setInterpolate(interpolate);
   else ip.setInterpolate(false);
   ip.setBackgroundValue(bgValue);
   imp.startTiming();
   try {
     if (newWindow && imp.getStackSize() > 1 && processStack) createNewStack(imp, ip);
     else scale(ip);
   } catch (OutOfMemoryError o) {
     IJ.outOfMemory("Scale");
   }
   IJ.showProgress(1.0);
 }
Beispiel #26
0
 protected void registerActiveImage() {
   ImagePlus activeImage = WindowManager.getCurrentImage();
   if (activeImage != null
       && activeImage.getProcessor() != null) { // && activeImage.getImageStackSize() > 1
     if (currentImage != null && currentImage.getWindow() != null && currentImage != activeImage) {
       // System.out.println("remove listener:"+currentImage.getTitle());
       ImageUtils.removeScrollListener(currentImage, this, this);
       currentImage.killRoi();
       currentImage.updateAndDraw();
       currentImage = null;
     }
     if (currentImage != activeImage) {
       // System.out.println("add listener:"+activeImage.getTitle());
       ImageUtils.addScrollListener(activeImage, this, this);
       this.currentImage = activeImage;
     }
   }
 }
Beispiel #27
0
 void checkForCalibrationConflict(ImagePlus imp, Calibration cal) {
   Calibration gcal = imp.getGlobalCalibration();
   if (gcal == null || !showConflictMessage || IJ.isMacro()) return;
   if (cal.pixelWidth == gcal.pixelWidth && cal.getUnit().equals(gcal.getUnit())) return;
   GenericDialog gd = new GenericDialog(imp.getTitle());
   gd.addMessage("The calibration of this image conflicts\nwith the current global calibration.");
   gd.addCheckbox("Disable_Global Calibration", true);
   gd.addCheckbox("Disable_these Messages", false);
   gd.showDialog();
   if (gd.wasCanceled()) return;
   boolean disable = gd.getNextBoolean();
   if (disable) {
     imp.setGlobalCalibration(null);
     imp.setCalibration(cal);
     WindowManager.repaintImageWindows();
   }
   boolean dontShow = gd.getNextBoolean();
   if (dontShow) showConflictMessage = false;
 }
 void setMaxBounds() {
   if (maxBoundsReset) {
     maxBoundsReset = false;
     ImageWindow win = imp.getWindow();
     if (win != null && !IJ.isLinux() && win.maxBounds != null) {
       win.setMaximizedBounds(win.maxBounds);
       win.setMaxBoundsTime = System.currentTimeMillis();
     }
   }
 }
 // Use double buffer to reduce flicker when drawing complex ROIs.
 // Author: Erik Meijering
 void paintDoubleBuffered(Graphics g) {
   final int srcRectWidthMag = (int) (srcRect.width * magnification);
   final int srcRectHeightMag = (int) (srcRect.height * magnification);
   if (offScreenImage == null
       || offScreenWidth != srcRectWidthMag
       || offScreenHeight != srcRectHeightMag) {
     offScreenImage = createImage(srcRectWidthMag, srcRectHeightMag);
     offScreenWidth = srcRectWidthMag;
     offScreenHeight = srcRectHeightMag;
   }
   Roi roi = imp.getRoi();
   try {
     if (imageUpdated) {
       imageUpdated = false;
       imp.updateImage();
     }
     Graphics offScreenGraphics = offScreenImage.getGraphics();
     Java2.setBilinearInterpolation(offScreenGraphics, Prefs.interpolateScaledImages);
     Image img = imp.getImage();
     if (img != null)
       offScreenGraphics.drawImage(
           img,
           0,
           0,
           srcRectWidthMag,
           srcRectHeightMag,
           srcRect.x,
           srcRect.y,
           srcRect.x + srcRect.width,
           srcRect.y + srcRect.height,
           null);
     if (overlay != null) drawOverlay(offScreenGraphics);
     if (showAllROIs) drawAllROIs(offScreenGraphics);
     if (roi != null) drawRoi(roi, offScreenGraphics);
     if (srcRect.width < imageWidth || srcRect.height < imageHeight)
       drawZoomIndicator(offScreenGraphics);
     if (IJ.debugMode) showFrameRate(offScreenGraphics);
     g.drawImage(offScreenImage, 0, 0, null);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory("Paint");
   }
 }
  private boolean showDialog() {
    String[] types = {"RAW", "JPEG", "ZLIB"};
    GenericDialog gd = new GenericDialog("Generate Bricks");
    gd.addChoice("FileType", types, filetype);
    gd.addNumericField("JPEG quality", jpeg_quality, 0);
    gd.addNumericField("Max file size (MB)", bdsizelimit, 0);

    int[] wlist = WindowManager.getIDList();
    if (wlist == null) return false;

    String[] titles = new String[wlist.length];
    for (int i = 0; i < wlist.length; i++) titles[i] = "";

    int tnum = 0;
    for (int i = 0; i < wlist.length; i++) {
      ImagePlus imp = WindowManager.getImage(wlist[i]);
      if (imp != null) {
        titles[tnum] = imp.getTitle();
        tnum++;
      }
    }
    gd.addChoice("Source image: ", titles, titles[0]);

    gd.showDialog();
    if (gd.wasCanceled()) return false;

    filetype = types[gd.getNextChoiceIndex()];
    jpeg_quality = (int) gd.getNextNumber();
    if (jpeg_quality > 100) jpeg_quality = 100;
    if (jpeg_quality < 0) jpeg_quality = 0;
    bdsizelimit = (int) gd.getNextNumber();

    int id = gd.getNextChoiceIndex();
    lvImgTitle = new ArrayList<String>();
    lvImgTitle.add(titles[id]);

    Prefs.set("filetype.string", filetype);
    Prefs.set("jpeg_quality.int", jpeg_quality);
    Prefs.set("bdsizelimit.int", bdsizelimit);

    return true;
  }