protected void scroll(int sx, int sy) {
int ox = xSrcStart + (int) (sx / magnification); // convert to offscreen coordinates
int oy = ySrcStart + (int) (sy / magnification);
// IJ.log("scroll: "+ox+" "+oy+" "+xMouseStart+" "+yMouseStart);
int newx = xSrcStart + (xMouseStart - ox);
int newy = ySrcStart + (yMouseStart - oy);
if (newx < 0) newx = 0;
if (newy < 0) newy = 0;
if ((newx + srcRect.width) > imageWidth) newx = imageWidth - srcRect.width;
if ((newy + srcRect.height) > imageHeight) newy = imageHeight - srcRect.height;
srcRect.x = newx;
srcRect.y = newy;
// IJ.log(sx+" "+sy+" "+newx+" "+newy+" "+srcRect);
imp.draw();
Thread.yield();
}
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();
}