/** * 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); } }
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(); }
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 drawRoi() { double xPxl = xRoi; double yPxl = yRoi; if (centered) { xPxl -= width / 2; yPxl -= height / 2; } double widthPxl = width; double heightPxl = height; Calibration cal = imp.getCalibration(); if (scaledUnits && cal.scaled()) { xPxl /= cal.pixelWidth; yPxl /= cal.pixelHeight; widthPxl /= cal.pixelWidth; heightPxl /= cal.pixelHeight; prevPixelWidth = cal.pixelWidth; } Roi roi; if (oval) roi = new OvalRoi(xPxl, yPxl, widthPxl, heightPxl); else roi = new Roi(xPxl, yPxl, widthPxl, heightPxl); imp.setRoi(roi); prevRoi = roi.getBounds(); // prevPixelWidth = cal.pixelWidth; }