void interpolate() {
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("Interpolate");
return;
}
if (roi.getType() == Roi.POINT) return;
if (IJ.isMacro() && Macro.getOptions() == null) Macro.setOptions("interval=1");
GenericDialog gd = new GenericDialog("Interpolate");
gd.addNumericField("Interval:", 1.0, 1, 4, "pixel");
gd.addCheckbox("Smooth", IJ.isMacro() ? false : smooth);
gd.showDialog();
if (gd.wasCanceled()) return;
double interval = gd.getNextNumber();
smooth = gd.getNextBoolean();
Undo.setup(Undo.ROI, imp);
FloatPolygon poly = roi.getInterpolatedPolygon(interval, smooth);
int t = roi.getType();
int type = roi.isLine() ? Roi.FREELINE : Roi.FREEROI;
if (t == Roi.POLYGON && interval > 1.0) type = Roi.POLYGON;
if ((t == Roi.RECTANGLE || t == Roi.OVAL || t == Roi.FREEROI) && interval >= 5.0)
type = Roi.POLYGON;
if ((t == Roi.LINE || t == Roi.FREELINE) && interval >= 5.0) type = Roi.POLYLINE;
if (t == Roi.POLYLINE && interval >= 1.0) type = Roi.POLYLINE;
ImageCanvas ic = imp.getCanvas();
if (poly.npoints <= 150 && ic != null && ic.getMagnification() >= 12.0)
type = roi.isLine() ? Roi.POLYLINE : Roi.POLYGON;
Roi p = new PolygonRoi(poly, type);
if (roi.getStroke() != null) p.setStrokeWidth(roi.getStrokeWidth());
p.setStrokeColor(roi.getStrokeColor());
p.setName(roi.getName());
transferProperties(roi, p);
imp.setRoi(p);
}
void lineToArea(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isLine()) {
IJ.error("Line to Area", "Line selection required");
return;
}
Undo.setup(Undo.ROI, imp);
Roi roi2 = null;
if (roi.getType() == Roi.LINE) {
double width = roi.getStrokeWidth();
if (width <= 1.0) roi.setStrokeWidth(1.0000001);
FloatPolygon p = roi.getFloatPolygon();
roi.setStrokeWidth(width);
roi2 = new PolygonRoi(p, Roi.POLYGON);
roi2.setDrawOffset(roi.getDrawOffset());
} else {
ImageProcessor ip2 = new ByteProcessor(imp.getWidth(), imp.getHeight());
ip2.setColor(255);
roi.drawPixels(ip2);
// new ImagePlus("ip2", ip2.duplicate()).show();
ip2.setThreshold(255, 255, ImageProcessor.NO_LUT_UPDATE);
ThresholdToSelection tts = new ThresholdToSelection();
roi2 = tts.convert(ip2);
}
transferProperties(roi, roi2);
roi2.setStrokeWidth(0);
Color c = roi2.getStrokeColor();
if (c != null) // remove any transparency
roi2.setStrokeColor(new Color(c.getRed(), c.getGreen(), c.getBlue()));
imp.setRoi(roi2);
Roi.previousRoi = (Roi) roi.clone();
}
void addToRoiManager(ImagePlus imp) {
if (IJ.macroRunning() && Interpreter.isBatchModeRoiManager())
IJ.error("run(\"Add to Manager\") may not work in batch mode macros");
Frame frame = WindowManager.getFrame("ROI Manager");
if (frame == null) IJ.run("ROI Manager...");
if (imp == null) return;
Roi roi = imp.getRoi();
if (roi == null) return;
frame = WindowManager.getFrame("ROI Manager");
if (frame == null || !(frame instanceof RoiManager)) IJ.error("ROI Manager not found");
RoiManager rm = (RoiManager) frame;
boolean altDown = IJ.altKeyDown();
IJ.setKeyUp(IJ.ALL_KEYS);
if (altDown && !IJ.macroRunning()) IJ.setKeyDown(KeyEvent.VK_SHIFT);
if (roi.getState() == Roi.CONSTRUCTING) { // wait (up to 2 sec.) until ROI finished
long start = System.currentTimeMillis();
while (true) {
IJ.wait(10);
if (roi.getState() != Roi.CONSTRUCTING) break;
if ((System.currentTimeMillis() - start) > 2000) {
IJ.beep();
IJ.error("Add to Manager", "Selection is not complete");
return;
}
}
}
rm.runCommand("add");
IJ.setKeyUp(IJ.ALL_KEYS);
}
void fitSpline() {
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("Spline");
return;
}
int type = roi.getType();
boolean segmentedSelection = type == Roi.POLYGON || type == Roi.POLYLINE;
if (!(segmentedSelection
|| type == Roi.FREEROI
|| type == Roi.TRACED_ROI
|| type == Roi.FREELINE)) {
IJ.error("Spline", "Polygon or polyline selection required");
return;
}
if (roi instanceof EllipseRoi) return;
PolygonRoi p = (PolygonRoi) roi;
if (!segmentedSelection) {
if (p.subPixelResolution()) p = trimFloatPolygon(p, p.getUncalibratedLength());
else p = trimPolygon(p, p.getUncalibratedLength());
}
String options = Macro.getOptions();
if (options != null && options.indexOf("straighten") != -1) p.fitSplineForStraightening();
else if (options != null && options.indexOf("remove") != -1) p.removeSplineFit();
else p.fitSpline();
imp.draw();
LineWidthAdjuster.update();
}
void createMask(ImagePlus imp) {
Roi roi = imp.getRoi();
boolean useInvertingLut = Prefs.useInvertingLut;
Prefs.useInvertingLut = false;
if (roi == null || !(roi.isArea() || roi.getType() == Roi.POINT)) {
createMaskFromThreshold(imp);
Prefs.useInvertingLut = useInvertingLut;
return;
}
ImagePlus maskImp = null;
Frame frame = WindowManager.getFrame("Mask");
if (frame != null && (frame instanceof ImageWindow))
maskImp = ((ImageWindow) frame).getImagePlus();
if (maskImp == null) {
ImageProcessor ip = new ByteProcessor(imp.getWidth(), imp.getHeight());
if (!Prefs.blackBackground) ip.invertLut();
maskImp = new ImagePlus("Mask", ip);
maskImp.show();
}
ImageProcessor ip = maskImp.getProcessor();
ip.setRoi(roi);
ip.setValue(255);
ip.fill(ip.getMask());
maskImp.updateAndDraw();
Prefs.useInvertingLut = useInvertingLut;
}
public void run(String arg) {
imp = WindowManager.getCurrentImage();
if (arg.equals("add")) {
addToRoiManager(imp);
return;
}
if (imp == null) {
IJ.noImage();
return;
}
if (arg.equals("all")) imp.setRoi(0, 0, imp.getWidth(), imp.getHeight());
else if (arg.equals("none")) imp.killRoi();
else if (arg.equals("restore")) imp.restoreRoi();
else if (arg.equals("spline")) fitSpline();
else if (arg.equals("circle")) fitCircle(imp);
else if (arg.equals("ellipse")) createEllipse(imp);
else if (arg.equals("hull")) convexHull(imp);
else if (arg.equals("mask")) createMask(imp);
else if (arg.equals("from")) createSelectionFromMask(imp);
else if (arg.equals("inverse")) invert(imp);
else if (arg.equals("toarea")) lineToArea(imp);
else if (arg.equals("toline")) areaToLine(imp);
else if (arg.equals("properties")) {
setProperties("Properties ", imp.getRoi());
imp.draw();
} else if (arg.equals("band")) makeBand(imp);
else if (arg.equals("tobox")) toBoundingBox(imp);
else runMacro(arg);
}
void createEllipse(ImagePlus imp) {
IJ.showStatus("Fitting ellipse");
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("Fit Ellipse");
return;
}
if (roi.isLine()) {
IJ.error("Fit Ellipse", "\"Fit Ellipse\" does not work with line selections");
return;
}
ImageProcessor ip = imp.getProcessor();
ip.setRoi(roi);
int options = Measurements.CENTROID + Measurements.ELLIPSE;
ImageStatistics stats = ImageStatistics.getStatistics(ip, options, null);
double dx = stats.major * Math.cos(stats.angle / 180.0 * Math.PI) / 2.0;
double dy = -stats.major * Math.sin(stats.angle / 180.0 * Math.PI) / 2.0;
double x1 = stats.xCentroid - dx;
double x2 = stats.xCentroid + dx;
double y1 = stats.yCentroid - dy;
double y2 = stats.yCentroid + dy;
double aspectRatio = stats.minor / stats.major;
imp.killRoi();
imp.setRoi(new EllipseRoi(x1, y1, x2, y2, aspectRatio));
}
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("");
}
}
/** 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);
}
}
void runMacro(String arg) {
Roi roi = imp.getRoi();
if (IJ.macroRunning()) {
String options = Macro.getOptions();
if (options != null
&& (options.indexOf("grid=") != -1 || options.indexOf("interpolat") != -1)) {
IJ.run("Rotate... ", options); // run Image>Transform>Rotate
return;
}
}
if (roi == null) {
noRoi("Rotate>Selection");
return;
}
roi = (Roi) roi.clone();
if (arg.equals("rotate")) {
double d = Tools.parseDouble(angle);
if (Double.isNaN(d)) angle = "15";
String value = IJ.runMacroFile("ij.jar:RotateSelection", angle);
if (value != null) angle = value;
} else if (arg.equals("enlarge")) {
String value = IJ.runMacroFile("ij.jar:EnlargeSelection", enlarge);
if (value != null) enlarge = value;
Roi.previousRoi = roi;
}
}
public int setup(String arg, ImagePlus imp) {
this.arg = arg;
this.imp = imp;
IJ.register(ParticleAnalyzer.class);
if (imp == null) {
IJ.noImage();
return DONE;
}
if (imp.getBitDepth() == 24 && !isThresholdedRGB(imp)) {
IJ.error(
"Particle Analyzer",
"RGB images must be thresholded using\n" + "Image>Adjust>Color Threshold.");
return DONE;
}
if (!showDialog()) return DONE;
int baseFlags = DOES_ALL + NO_CHANGES + NO_UNDO;
int flags = IJ.setupDialog(imp, baseFlags);
processStack = (flags & DOES_STACKS) != 0;
slice = 0;
saveRoi = imp.getRoi();
if (saveRoi != null && saveRoi.getType() != Roi.RECTANGLE && saveRoi.isArea())
polygon = saveRoi.getPolygon();
imp.startTiming();
nextFontSize = defaultFontSize;
nextLineWidth = 1;
return flags;
}
void lineToArea(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isLine()) {
IJ.error("Line to Area", "Line selection required");
return;
}
if (roi.getType() == Roi.LINE && roi.getStrokeWidth() == 1) {
IJ.error("Line to Area", "Straight line width must be > 1");
return;
}
ImageProcessor ip2 = new ByteProcessor(imp.getWidth(), imp.getHeight());
ip2.setColor(255);
if (roi.getType() == Roi.LINE) ip2.fillPolygon(roi.getPolygon());
else {
roi.drawPixels(ip2);
// BufferedImage bi = new BufferedImage(imp.getWidth(), imp.getHeight(),
// BufferedImage.TYPE_BYTE_GRAY);
// Graphics g = bi.getGraphics();
// Roi roi2 = (Roi)roi.clone();
// roi2.setStrokeColor(Color.white);
// roi2.drawOverlay(g);
// ip2 = new ByteProcessor(bi);
}
// new ImagePlus("ip2", ip2.duplicate()).show();
ip2.setThreshold(255, 255, ImageProcessor.NO_LUT_UPDATE);
ThresholdToSelection tts = new ThresholdToSelection();
Roi roi2 = tts.convert(ip2);
imp.setRoi(roi2);
Roi.previousRoi = (Roi) roi.clone();
}
private void enlarge(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi != null) {
Undo.setup(Undo.ROI, imp);
roi = (Roi) roi.clone();
(new RoiEnlarger()).run("");
} else noRoi("Enlarge");
}
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;
}
void toBoundingBox(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("To Bounding Box");
return;
}
Rectangle r = roi.getBounds();
imp.killRoi();
imp.setRoi(new Roi(r.x, r.y, r.width, r.height));
}
private void rotate(ImagePlus imp) {
Roi roi = imp.getRoi();
if (IJ.macroRunning()) {
String options = Macro.getOptions();
if (options != null
&& (options.indexOf("grid=") != -1 || options.indexOf("interpolat") != -1)) {
IJ.run("Rotate... ", options); // run Image>Transform>Rotate
return;
}
}
(new RoiRotator()).run("");
}
void invert(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isArea()) {
IJ.error("Inverse", "Area selection required");
return;
}
ShapeRoi s1, s2;
if (roi instanceof ShapeRoi) s1 = (ShapeRoi) roi;
else s1 = new ShapeRoi(roi);
s2 = new ShapeRoi(new Roi(0, 0, imp.getWidth(), imp.getHeight()));
imp.setRoi(s1.xor(s2));
}
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);
}
void toBoundingBox(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null) {
noRoi("To Bounding Box");
return;
}
Undo.setup(Undo.ROI, imp);
Rectangle r = roi.getBounds();
imp.deleteRoi();
Roi roi2 = new Roi(r.x, r.y, r.width, r.height);
transferProperties(roi, roi2);
imp.setRoi(roi2);
}
void convexHull(ImagePlus imp) {
Roi roi = imp.getRoi();
int type = roi != null ? roi.getType() : -1;
if (!(type == Roi.FREEROI
|| type == Roi.TRACED_ROI
|| type == Roi.POLYGON
|| type == Roi.POINT)) {
IJ.error("Convex Hull", "Polygonal or point selection required");
return;
}
if (roi instanceof EllipseRoi) return;
Polygon p = roi.getConvexHull();
if (p != null) imp.setRoi(new PolygonRoi(p.xpoints, p.ypoints, p.npoints, roi.POLYGON));
}
void runMacro(String arg, ImagePlus imp) {
boolean rotate = arg.equals("rotate");
Roi roi = imp.getRoi();
if (rotate && IJ.macroRunning()) {
String options = Macro.getOptions();
if (options != null
&& (options.indexOf("grid=") != -1 || options.indexOf("interpolat") != -1)) {
IJ.run("Rotate... ", options); // run Image>Transform>Rotate
return;
}
}
if (roi == null) {
noRoi(rotate ? "Rotate" : "Enlarge");
return;
}
double dangle = Tools.parseDouble(angle);
if (Double.isNaN(dangle)) {
dangle = 15;
angle = "" + dangle;
}
if (rotate && (roi instanceof ImageRoi)) {
dangle = IJ.getNumber("Angle (degrees):", dangle);
((ImageRoi) roi).rotate(dangle);
imp.draw();
angle = "" + dangle;
return;
}
Undo.setup(Undo.ROI, imp);
roi = (Roi) roi.clone();
if (rotate) {
String value = IJ.runMacroFile("ij.jar:RotateSelection", angle);
Roi roi2 = imp.getRoi();
transferProperties(roi, roi2);
imp.setRoi(roi2);
if (value != null) angle = value;
} else if (arg.equals("enlarge")) (new RoiEnlarger()).run("");
}
public void mouseDragged(MouseEvent e) {
int x = e.getX();
int y = e.getY();
xMouse = offScreenX(x);
yMouse = offScreenY(y);
flags = e.getModifiers();
// IJ.log("mouseDragged: "+flags);
if (flags == 0) // workaround for Mac OS 9 bug
flags = InputEvent.BUTTON1_MASK;
if (Toolbar.getToolId() == Toolbar.HAND || IJ.spaceBarDown()) scroll(x, y);
else {
IJ.setInputEvent(e);
Roi roi = imp.getRoi();
if (roi != null) roi.handleMouseDrag(x, y, flags);
}
}
void lineToArea(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isLine()) {
IJ.error("Line to Area", "Line selection required");
return;
}
ImageProcessor ip2 = new ByteProcessor(imp.getWidth(), imp.getHeight());
ip2.setColor(255);
if (roi.getType() == Roi.LINE && roi.getStrokeWidth() > 1) ip2.fillPolygon(roi.getPolygon());
else roi.drawPixels(ip2);
// new ImagePlus("ip2", ip2.duplicate()).show();
ip2.setThreshold(255, 255, ImageProcessor.NO_LUT_UPDATE);
ThresholdToSelection tts = new ThresholdToSelection();
Roi roi2 = tts.convert(ip2);
imp.setRoi(roi2);
Roi.previousRoi = (Roi) roi.clone();
}
void addToRoiManager(ImagePlus imp) {
if (IJ.macroRunning() && Interpreter.isBatchModeRoiManager())
IJ.error("run(\"Add to Manager\") may not work in batch mode macros");
Frame frame = WindowManager.getFrame("ROI Manager");
if (frame == null) IJ.run("ROI Manager...");
if (imp == null) return;
Roi roi = imp.getRoi();
if (roi == null) return;
frame = WindowManager.getFrame("ROI Manager");
if (frame == null || !(frame instanceof RoiManager)) IJ.error("ROI Manager not found");
RoiManager rm = (RoiManager) frame;
boolean altDown = IJ.altKeyDown();
IJ.setKeyUp(IJ.ALL_KEYS);
if (altDown && !IJ.macroRunning()) IJ.setKeyDown(KeyEvent.VK_SHIFT);
rm.runCommand("add");
IJ.setKeyUp(IJ.ALL_KEYS);
}
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);
}
// 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");
}
}
public void mouseReleased(MouseEvent e) {
flags = e.getModifiers();
flags &= ~InputEvent.BUTTON1_MASK; // make sure button 1 bit is not set
flags &= ~InputEvent.BUTTON2_MASK; // make sure button 2 bit is not set
flags &= ~InputEvent.BUTTON3_MASK; // make sure button 3 bit is not set
Roi roi = imp.getRoi();
if (roi != null) {
Rectangle r = roi.getBounds();
int type = roi.getType();
if ((r.width == 0 || r.height == 0)
&& !(type == Roi.POLYGON || type == Roi.POLYLINE || type == Roi.ANGLE || type == Roi.LINE)
&& !(roi instanceof TextRoi)
&& roi.getState() == roi.CONSTRUCTING
&& type != roi.POINT) imp.killRoi();
else {
roi.handleMouseUp(e.getX(), e.getY());
if (roi.getType() == Roi.LINE && roi.getLength() == 0.0) imp.killRoi();
}
}
}
void areaToLine(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isArea()) {
IJ.error("Area to Line", "Area selection required");
return;
}
Polygon p = roi.getPolygon();
if (p == null) return;
int type1 = roi.getType();
if (type1 == Roi.COMPOSITE) {
IJ.error("Area to Line", "Composite selections cannot be converted to lines.");
return;
}
int type2 = Roi.POLYLINE;
if (type1 == Roi.OVAL
|| type1 == Roi.FREEROI
|| type1 == Roi.TRACED_ROI
|| ((roi instanceof PolygonRoi) && ((PolygonRoi) roi).isSplineFit())) type2 = Roi.FREELINE;
Roi roi2 = new PolygonRoi(p.xpoints, p.ypoints, p.npoints, type2);
imp.setRoi(roi2);
}
void createMask(ImagePlus imp) {
Roi roi = imp.getRoi();
boolean useInvertingLut = Prefs.useInvertingLut;
Prefs.useInvertingLut = false;
boolean selectAll =
roi != null
&& roi.getType() == Roi.RECTANGLE
&& roi.getBounds().width == imp.getWidth()
&& roi.getBounds().height == imp.getHeight()
&& imp.isThreshold();
if (roi == null || !(roi.isArea() || roi.getType() == Roi.POINT) || selectAll) {
createMaskFromThreshold(imp);
Prefs.useInvertingLut = useInvertingLut;
return;
}
ImagePlus maskImp = null;
Frame frame = WindowManager.getFrame("Mask");
if (frame != null && (frame instanceof ImageWindow))
maskImp = ((ImageWindow) frame).getImagePlus();
if (maskImp == null) {
ImageProcessor ip = new ByteProcessor(imp.getWidth(), imp.getHeight());
if (!Prefs.blackBackground) ip.invertLut();
maskImp = new ImagePlus("Mask", ip);
maskImp.show();
}
ImageProcessor ip = maskImp.getProcessor();
ip.setRoi(roi);
ip.setValue(255);
ip.fill(ip.getMask());
Calibration cal = imp.getCalibration();
if (cal.scaled()) {
Calibration cal2 = maskImp.getCalibration();
cal2.pixelWidth = cal.pixelWidth;
cal2.pixelHeight = cal.pixelHeight;
cal2.setUnit(cal.getUnit());
}
maskImp.updateAndRepaintWindow();
Prefs.useInvertingLut = useInvertingLut;
}
protected void handlePopupMenu(MouseEvent e) {
if (disablePopupMenu) return;
if (IJ.debugMode) IJ.log("show popup: " + (e.isPopupTrigger() ? "true" : "false"));
int x = e.getX();
int y = e.getY();
Roi roi = imp.getRoi();
if (roi != null
&& (roi.getType() == Roi.POLYGON
|| roi.getType() == Roi.POLYLINE
|| roi.getType() == Roi.ANGLE)
&& roi.getState() == roi.CONSTRUCTING) {
roi.handleMouseUp(x, y); // simulate double-click to finalize
roi.handleMouseUp(x, y); // polygon or polyline selection
return;
}
PopupMenu popup = Menus.getPopupMenu();
if (popup != null) {
add(popup);
if (IJ.isMacOSX()) IJ.wait(10);
popup.show(this, x, y);
}
}