/**
* Notify any DialogListeners of changes having occurred If a listener returns false, do not call
* further listeners and disable the OK button and preview Checkbox (if it exists). For
* PlugInFilters, this ensures that the PlugInFilterRunner, which listens as the last one, is not
* called if the PlugInFilter has detected invalid parameters. Thus, unnecessary calling the
* run(ip) method of the PlugInFilter for preview is avoided in that case.
*/
private void notifyListeners(AWTEvent e) {
if (dialogListeners == null) return;
boolean everythingOk = true;
for (int i = 0; everythingOk && i < dialogListeners.size(); i++)
try {
resetCounters();
if (!((DialogListener) dialogListeners.elementAt(i)).dialogItemChanged(this, e))
everythingOk = false;
} // disable further listeners if false (invalid parameters) returned
catch (Exception err) { // for exceptions, don't cover the input by a window but
IJ.beep(); // show them at in the "Log"
IJ.log(
"ERROR: "
+ err
+ "\nin DialogListener of "
+ dialogListeners.elementAt(i)
+ "\nat "
+ (err.getStackTrace()[0])
+ "\nfrom "
+ (err.getStackTrace()[1])); // requires Java 1.4
}
boolean workaroundOSXbug = IJ.isMacOSX() && okay != null && !okay.isEnabled() && everythingOk;
if (previewCheckbox != null) previewCheckbox.setEnabled(everythingOk);
if (okay != null) okay.setEnabled(everythingOk);
if (workaroundOSXbug) repaint(); // OSX 10.4 bug delays update of enabled until the next input
}
public synchronized void adjustmentValueChanged(AdjustmentEvent e) {
if (!checkImage()) {
IJ.beep();
IJ.showStatus("No Image");
return;
}
if (e.getSource() == minSlider) {
adjustMinHue((int) minSlider.getValue());
} else if (e.getSource() == maxSlider) {
adjustMaxHue((int) maxSlider.getValue());
} else if (e.getSource() == minSlider2) {
adjustMinSat((int) minSlider2.getValue());
} else if (e.getSource() == maxSlider2) {
adjustMaxSat((int) maxSlider2.getValue());
} else if (e.getSource() == minSlider3) {
adjustMinBri((int) minSlider3.getValue());
} else if (e.getSource() == maxSlider3) {
adjustMaxBri((int) maxSlider3.getValue());
}
originalB.setEnabled(true);
updateLabels();
updatePlot();
notify();
}
// GL
public synchronized void itemStateChanged(ItemEvent e) {
if (e.getSource() == hsb) isRGB = false;
if (e.getSource() == rgb) isRGB = true;
if (e.getSource() == hsb || e.getSource() == rgb) {
flag = true;
originalB.setEnabled(false);
filteredB.setEnabled(false);
minHue = minSat = minBri = 0;
maxHue = maxSat = maxBri = 255;
bandPassH.setState(true);
bandPassS.setState(true);
bandPassB.setState(true);
}
reset(imp, ip);
ip = setup(imp);
apply(imp, ip);
updateNames();
notify();
}
public void actionPerformed(ActionEvent e) {
Button b = (Button) e.getSource();
if (b == null) return;
boolean imageThere = checkImage();
if (imageThere) {
if (b == originalB) {
reset(imp, ip);
filteredB.setEnabled(true);
} else if (b == filteredB) {
apply(imp, ip);
} else if (b == sampleB) {
reset(imp, ip);
sample();
apply(imp, ip);
} else if (b == stackB) {
applyStack();
} else if (b == helpB) {
IJ.showMessage(
"Help",
"Threshold Colour v1.0\n \n"
+ "Modification of Bob Dougherty's BandPass2 plugin by G.Landini to\n"
+ "threshold 24 bit RGB images based on Hue, Saturation and Brightness\n"
+ "or Red, Green and Blue components.\n \n"
+ "Pass: Band-pass filter (anything within range is displayed).\n \n"
+ "Stop: Band-reject filter (anything within range is NOT displayed).\n \n"
+ "Original: Shows the original image and updates the buffer when\n"
+ " switching to another image.\n \n"
+ "Filtered: Shows the filtered image.\n \n"
+ "Stack: Processes the rest of the slices in the stack (if any)\n"
+ " using the current settings.\n \n"
+ "Threshold: Shows the object/background in the foreground and\n"
+ " background colours selected in the ImageJ toolbar.\n \n"
+ "Invert: Swaps the fore/background colours.\n \n"
+ "Sample: (experimental) Sets the ranges of the filters based on the\n"
+ " pixel value componentd in a rectangular, user-defined, ROI.\n \n"
+ "HSB RGB: Selects HSB or RGB space and resets all the filters.\n \n"
+ "Note that the \'thresholded\' image is RGB, not 8 bit grey.");
}
updatePlot();
updateLabels();
imp.updateAndDraw();
} else {
IJ.beep();
IJ.showStatus("No Image");
}
notify();
}
public BandAdjuster() {
super("Threshold Colour");
if (instance != null) {
instance.toFront();
return;
}
imp = WindowManager.getCurrentImage();
if (imp == null) {
IJ.beep();
IJ.showStatus("No image");
return;
}
IJ.run("Select None");
thread = new Thread(this, "BandAdjuster");
WindowManager.addWindow(this);
instance = this;
IJ.register(PasteController.class);
ij = IJ.getInstance();
Font font = new Font("SansSerif", Font.PLAIN, 10);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
int y = 0;
c.gridx = 0;
c.gridy = y;
c.gridwidth = 1;
c.weightx = 0;
c.insets = new Insets(5, 0, 0, 0);
labelh = new Label("Hue", Label.CENTER);
add(labelh, c);
c.gridx = 1;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = 0;
c.insets = new Insets(7, 0, 0, 0);
labelf = new Label("Filter type", Label.RIGHT);
add(labelf, c);
// plot
c.gridx = 0;
c.gridy = y;
c.gridwidth = 1;
c.fill = c.BOTH;
c.anchor = c.CENTER;
c.insets = new Insets(0, 5, 0, 0);
add(plot, c);
// checkboxes
panelh = new Panel();
filterTypeH = new CheckboxGroup();
bandPassH = new Checkbox("Pass");
bandPassH.setCheckboxGroup(filterTypeH);
bandPassH.addItemListener(this);
panelh.add(bandPassH);
bandStopH = new Checkbox("Stop");
bandStopH.setCheckboxGroup(filterTypeH);
bandStopH.addItemListener(this);
panelh.add(bandStopH);
bandPassH.setState(true);
c.gridx = 1;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(5, 0, 0, 0);
add(panelh, c);
// minHue slider
minSlider = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 90 : 100;
c.fill = c.HORIZONTAL;
c.insets = new Insets(5, 5, 0, 0);
add(minSlider, c);
minSlider.addAdjustmentListener(this);
minSlider.setUnitIncrement(1);
// minHue slider label
c.gridx = 1;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 10 : 0;
c.insets = new Insets(5, 0, 0, 0);
label1 = new Label(" ", Label.LEFT);
label1.setFont(font);
add(label1, c);
// maxHue sliderHue
maxSlider = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y;
c.gridwidth = 1;
c.weightx = 100;
c.insets = new Insets(5, 5, 0, 0);
add(maxSlider, c);
maxSlider.addAdjustmentListener(this);
maxSlider.setUnitIncrement(1);
// maxHue slider label
c.gridx = 1;
c.gridwidth = 1;
c.gridy = y++;
c.weightx = 0;
c.insets = new Insets(5, 0, 0, 0);
label2 = new Label(" ", Label.LEFT);
label2.setFont(font);
add(label2, c);
// =====
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = 0;
c.insets = new Insets(10, 0, 0, 0);
labels = new Label("Saturation", Label.CENTER);
add(labels, c);
// plot
c.gridx = 0;
c.gridy = y;
c.gridwidth = 1;
c.fill = c.BOTH;
c.anchor = c.CENTER;
c.insets = new Insets(0, 5, 0, 0);
add(splot, c);
// checkboxes
panels = new Panel();
filterTypeS = new CheckboxGroup();
bandPassS = new Checkbox("Pass");
bandPassS.setCheckboxGroup(filterTypeS);
bandPassS.addItemListener(this);
panels.add(bandPassS);
bandStopS = new Checkbox("Stop");
bandStopS.setCheckboxGroup(filterTypeS);
bandStopS.addItemListener(this);
panels.add(bandStopS);
bandPassS.setState(true);
c.gridx = 1;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(5, 0, 0, 0);
add(panels, c);
// minSat slider
minSlider2 = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 90 : 100;
c.fill = c.HORIZONTAL;
c.insets = new Insets(5, 5, 0, 0);
add(minSlider2, c);
minSlider2.addAdjustmentListener(this);
minSlider2.setUnitIncrement(1);
// minSat slider label
c.gridx = 1;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 10 : 0;
c.insets = new Insets(5, 0, 0, 0);
label3 = new Label(" ", Label.LEFT);
label3.setFont(font);
add(label3, c);
// maxSat slider
maxSlider2 = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = 100;
c.insets = new Insets(5, 5, 0, 0);
add(maxSlider2, c);
maxSlider2.addAdjustmentListener(this);
maxSlider2.setUnitIncrement(1);
// maxSat slider label
c.gridx = 1;
c.gridwidth = 1;
c.weightx = 0;
c.insets = new Insets(5, 0, 0, 0);
label4 = new Label(" ", Label.LEFT);
label4.setFont(font);
add(label4, c);
// =====
c.gridx = 0;
c.gridwidth = 1;
c.gridy = y++;
c.weightx = 0;
c.insets = new Insets(10, 0, 0, 0);
labelb = new Label("Brightness", Label.CENTER);
add(labelb, c);
c.gridx = 0;
c.gridwidth = 1;
c.gridy = y;
c.fill = c.BOTH;
c.anchor = c.CENTER;
c.insets = new Insets(0, 5, 0, 0);
add(bplot, c);
// checkboxes
panelb = new Panel();
filterTypeB = new CheckboxGroup();
bandPassB = new Checkbox("Pass");
bandPassB.setCheckboxGroup(filterTypeB);
bandPassB.addItemListener(this);
panelb.add(bandPassB);
bandStopB = new Checkbox("Stop");
bandStopB.setCheckboxGroup(filterTypeB);
bandStopB.addItemListener(this);
panelb.add(bandStopB);
bandPassB.setState(true);
c.gridx = 1;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(5, 0, 0, 0);
add(panelb, c);
// minBri slider
minSlider3 = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 90 : 100;
c.fill = c.HORIZONTAL;
c.insets = new Insets(5, 5, 0, 0);
add(minSlider3, c);
minSlider3.addAdjustmentListener(this);
minSlider3.setUnitIncrement(1);
// minBri slider label
c.gridx = 1;
c.gridwidth = 1;
c.weightx = IJ.isMacintosh() ? 10 : 0;
c.insets = new Insets(5, 0, 0, 0);
label5 = new Label(" ", Label.LEFT);
label5.setFont(font);
add(label5, c);
// maxBri slider
maxSlider3 = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, sliderRange);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 1;
c.weightx = 100;
c.insets = new Insets(5, 5, 0, 0);
add(maxSlider3, c);
maxSlider3.addAdjustmentListener(this);
maxSlider3.setUnitIncrement(1);
// maxBri slider label
c.gridx = 1;
c.gridwidth = 1;
c.weightx = 0;
c.insets = new Insets(5, 0, 0, 0);
label6 = new Label(" ", Label.LEFT);
label6.setFont(font);
add(label6, c);
// =====
panelt = new Panel();
threshold = new Checkbox("Threshold");
threshold.addItemListener(this);
panelt.add(threshold);
invert = new Checkbox("Invert");
invert.addItemListener(this);
panelt.add(invert);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(0, 0, 0, 0);
add(panelt, c);
// buttons
panel = new Panel();
// panel.setLayout(new GridLayout(2, 2, 0, 0));
originalB = new Button("Original");
originalB.setEnabled(false);
originalB.addActionListener(this);
originalB.addKeyListener(ij);
panel.add(originalB);
filteredB = new Button("Filtered");
filteredB.setEnabled(false);
filteredB.addActionListener(this);
filteredB.addKeyListener(ij);
panel.add(filteredB);
stackB = new Button("Stack");
stackB.addActionListener(this);
stackB.addKeyListener(ij);
panel.add(stackB);
helpB = new Button("Help");
helpB.addActionListener(this);
helpB.addKeyListener(ij);
panel.add(helpB);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(0, 0, 0, 0);
add(panel, c);
panelMode = new Panel();
sampleB = new Button("Sample");
sampleB.addActionListener(this);
sampleB.addKeyListener(ij);
panelMode.add(sampleB);
colourMode = new CheckboxGroup();
hsb = new Checkbox("HSB");
hsb.setCheckboxGroup(colourMode);
hsb.addItemListener(this);
panelMode.add(hsb);
hsb.setState(true);
rgb = new Checkbox("RGB");
rgb.setCheckboxGroup(colourMode);
rgb.addItemListener(this);
panelMode.add(rgb);
c.gridx = 0;
c.gridy = y++;
c.gridwidth = 2;
c.insets = new Insets(0, 0, 0, 0);
add(panelMode, c);
addKeyListener(ij); // ImageJ handles keyboard shortcuts
pack();
GUI.center(this);
setVisible(true);
ip = setup(imp);
if (ip == null) {
imp.unlock();
IJ.beep();
IJ.showStatus("RGB image cannot be thresholded");
return;
}
thread.start();
}
void sample() {
byte[] hsSource, ssSource, bsSource;
// ImageProcessor ip2;
// ip2 = imp.getProcessor();
Rectangle myroi = ip.getRoi();
int swidth = myroi.width;
int sheight = myroi.height;
int sy = myroi.y;
int sx = myroi.x;
if (swidth == width && sheight == height) {
IJ.showMessage("Select a rectangular ROI");
IJ.beep();
return;
}
IJ.run("Select None");
int snumPixels = swidth * sheight;
hsSource = new byte[snumPixels];
ssSource = new byte[snumPixels];
bsSource = new byte[snumPixels];
int[] pixs = new int[snumPixels];
int[] bin = new int[256];
int counter = 0, pi = 0, rangePassH = 0, rangeStopH = 0, rangePassL = 0, rangeStopL = 0, i, j;
for (i = sy; i < sy + sheight; i++) {
for (j = sx; j < sx + swidth; j++) {
pixs[counter++] = ip.getPixel(j, i);
}
}
// Get hsb or rgb from roi.
ColorProcessor cp2 = new ColorProcessor(swidth, sheight, pixs);
int iminhue = 256, imaxhue = -1, iminsat = 256, imaxsat = -1, iminbri = 256, imaxbri = -1;
int iminred = 256, imaxred = -1, imingre = 256, imaxgre = -1, iminblu = 256, imaxblu = -1;
if (isRGB) cp2.getRGB(hsSource, ssSource, bsSource);
else cp2.getHSB(hsSource, ssSource, bsSource);
for (i = 0; i < snumPixels; i++) {
bin[hsSource[i] & 255] = 1;
if ((hsSource[i] & 255) > imaxhue) imaxhue = (hsSource[i] & 255);
if ((hsSource[i] & 255) < iminhue) iminhue = (hsSource[i] & 255);
if ((ssSource[i] & 255) > imaxsat) imaxsat = (ssSource[i] & 255);
if ((ssSource[i] & 255) < iminsat) iminsat = (ssSource[i] & 255);
if ((bsSource[i] & 255) > imaxbri) imaxbri = (bsSource[i] & 255);
if ((bsSource[i] & 255) < iminbri) iminbri = (bsSource[i] & 255);
// IJ.showMessage("h:"+minhue+"H:"+maxhue+"s:"+minsat+"S:"+maxsat+"b:"+minbri+"B:"+maxbri);
}
if (!isRGB) { // get pass or stop filter whichever has a narrower range
for (i = 0; i < 256; i++) {
if (bin[i] > 0) {
rangePassL = i;
break;
}
}
for (i = 255; i >= 0; i--) {
if (bin[i] > 0) {
rangePassH = i;
break;
}
}
for (i = 0; i < 256; i++) {
if (bin[i] == 0) {
rangeStopL = i;
break;
}
}
for (i = 255; i >= 0; i--) {
if (bin[i] == 0) {
rangeStopH = i;
break;
}
}
if ((rangePassH - rangePassL) < (rangeStopH - rangeStopL)) {
bandPassH.setState(true);
bandStopH.setState(false);
iminhue = rangePassL;
imaxhue = rangePassH;
} else {
bandPassH.setState(false);
bandStopH.setState(true);
iminhue = rangeStopL;
imaxhue = rangeStopH;
}
} else {
bandPassH.setState(true);
bandStopH.setState(false);
}
adjustMinHue(iminhue);
minSlider.setValue(iminhue);
adjustMaxHue(imaxhue);
maxSlider.setValue(imaxhue);
adjustMinSat(iminsat);
minSlider2.setValue(iminsat);
adjustMaxSat(imaxsat);
maxSlider2.setValue(imaxsat);
adjustMinBri(iminbri);
minSlider3.setValue(iminbri);
adjustMaxBri(imaxbri);
maxSlider3.setValue(imaxbri);
originalB.setEnabled(true);
// IJ.showStatus("done");
}