Esempio n. 1
0
  public Channels() {
    super("Channels");
    if (instance != null) {
      instance.toFront();
      return;
    }
    WindowManager.addWindow(this);
    instance = this;
    GridBagLayout gridbag = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
    setLayout(gridbag);
    int y = 0;
    c.gridx = 0;
    c.gridy = y++;
    c.gridwidth = 1;
    c.fill = GridBagConstraints.BOTH;
    c.anchor = GridBagConstraints.CENTER;
    int margin = 32;
    if (IJ.isMacOSX()) margin = 20;
    c.insets = new Insets(10, margin, 10, margin);
    choice = new Choice();
    for (int i = 0; i < modes.length; i++) choice.addItem(modes[i]);
    choice.select(0);
    choice.addItemListener(this);
    add(choice, c);

    CompositeImage ci = getImage();
    int nCheckBoxes = ci != null ? ci.getNChannels() : 3;
    if (nCheckBoxes > CompositeImage.MAX_CHANNELS) nCheckBoxes = CompositeImage.MAX_CHANNELS;
    checkbox = new Checkbox[nCheckBoxes];
    for (int i = 0; i < nCheckBoxes; i++) {
      checkbox[i] = new Checkbox("Channel " + (i + 1), true);
      c.insets = new Insets(0, 25, i < nCheckBoxes - 1 ? 0 : 10, 5);
      c.gridy = y++;
      add(checkbox[i], c);
      checkbox[i].addItemListener(this);
    }

    c.insets = new Insets(0, 15, 10, 15);
    c.fill = GridBagConstraints.NONE;
    c.gridy = y++;
    moreButton = new Button(moreLabel);
    moreButton.addActionListener(this);
    add(moreButton, c);
    update();

    pm = new PopupMenu();
    for (int i = 0; i < menuItems.length; i++) addPopupItem(menuItems[i]);
    add(pm);

    addKeyListener(IJ.getInstance()); // ImageJ handles keyboard shortcuts
    setResizable(false);
    pack();
    if (location == null) {
      GUI.center(this);
      location = getLocation();
    } else setLocation(location);
    show();
  }
Esempio n. 2
0
 public synchronized void setMode(int mode) {
   if (mode < COMPOSITE || mode > GRAYSCALE) return;
   if (mode == COMPOSITE && getNChannels() > MAX_CHANNELS) mode = COLOR;
   for (int i = 0; i < MAX_CHANNELS; i++) active[i] = true;
   if (this.mode != COMPOSITE && mode == COMPOSITE) img = null;
   this.mode = mode;
   if (mode == COLOR || mode == GRAYSCALE) {
     if (cip != null) {
       for (int i = 0; i < cip.length; i++) {
         if (cip[i] != null) cip[i].setPixels(null);
         cip[i] = null;
       }
     }
     cip = null;
     rgbPixels = null;
     awtImage = null;
     currentChannel = -1;
   }
   if (mode == GRAYSCALE || mode == TRANSPARENT) ip.setColorModel(ip.getDefaultColorModel());
   Channels.updateChannels();
 }
Esempio n. 3
0
  public synchronized void updateImage() {
    int imageSize = width * height;
    int nChannels = getNChannels();
    int redValue, greenValue, blueValue;
    int ch = getChannel();

    // IJ.log("updateImage: "+ch+"/"+nChannels+" "+currentSlice+" "+currentFrame);
    if (ch > nChannels) ch = nChannels;
    boolean newChannel = false;
    if (ch - 1 != currentChannel) {
      previousChannel = currentChannel;
      currentChannel = ch - 1;
      newChannel = true;
    }

    ImageProcessor ip = getProcessor();
    if (mode != COMPOSITE) {
      if (newChannel) {
        setupLuts(nChannels);
        LUT cm = lut[currentChannel];
        if (mode == COLOR) ip.setColorModel(cm);
        if (!(cm.min == 0.0 && cm.max == 0.0)) ip.setMinAndMax(cm.min, cm.max);
        if (!IJ.isMacro()) ContrastAdjuster.update();
        for (int i = 0; i < MAX_CHANNELS; i++) active[i] = i == currentChannel ? true : false;
        Channels.updateChannels();
      }
      if (ip != null) img = ip.createImage();
      return;
    }

    if (nChannels == 1) {
      cip = null;
      rgbPixels = null;
      awtImage = null;
      if (ip != null) img = ip.createImage();
      return;
    }

    if (cip == null
        || cip[0].getWidth() != width
        || cip[0].getHeight() != height
        || getBitDepth() != bitDepth) {
      setup(nChannels, getImageStack());
      rgbPixels = null;
      rgbSampleModel = null;
      if (currentChannel >= nChannels) {
        setSlice(1);
        currentChannel = 0;
        newChannel = true;
      }
      bitDepth = getBitDepth();
    }

    if (newChannel) {
      getProcessor().setMinAndMax(cip[currentChannel].getMin(), cip[currentChannel].getMax());
      if (!IJ.isMacro()) ContrastAdjuster.update();
    }
    // IJ.log(nChannels+" "+ch+" "+currentChannel+"  "+newChannel);

    if (getSlice() != currentSlice || getFrame() != currentFrame) {
      currentSlice = getSlice();
      currentFrame = getFrame();
      int position = getStackIndex(1, currentSlice, currentFrame);
      if (cip == null) return;
      for (int i = 0; i < nChannels; ++i)
        cip[i].setPixels(getImageStack().getProcessor(position + i).getPixels());
    }

    if (rgbPixels == null) {
      rgbPixels = new int[imageSize];
      newPixels = true;
      imageSource = null;
      rgbRaster = null;
      rgbImage = null;
    }
    cip[currentChannel].setMinAndMax(ip.getMin(), ip.getMax());
    if (singleChannel && nChannels <= 3) {
      switch (currentChannel) {
        case 0:
          cip[0].updateComposite(rgbPixels, 1);
          break;
        case 1:
          cip[1].updateComposite(rgbPixels, 2);
          break;
        case 2:
          cip[2].updateComposite(rgbPixels, 3);
          break;
      }
    } else {
      if (cip == null) return;
      if (syncChannels) {
        ImageProcessor ip2 = getProcessor();
        double min = ip2.getMin(), max = ip2.getMax();
        for (int i = 0; i < nChannels; i++) {
          cip[i].setMinAndMax(min, max);
          lut[i].min = min;
          lut[i].max = max;
        }
        syncChannels = false;
      }
      if (active[0]) cip[0].updateComposite(rgbPixels, 4);
      else {
        for (int i = 1; i < imageSize; i++) rgbPixels[i] = 0;
      }
      if (cip == null || nChannels > cip.length) return;
      for (int i = 1; i < nChannels; i++) if (active[i]) cip[i].updateComposite(rgbPixels, 5);
    }
    if (IJ.isJava16()) createBufferedImage();
    else createImage();
    if (img == null && awtImage != null) img = awtImage;
    singleChannel = false;
  }
Esempio n. 4
0
 public static void updateChannels() {
   if (instance != null) instance.update();
 }