/* * org.openmicroscopy.shoola.util.roi.figures.MeasureLineFigure * *------------------------------------------------------------------------------ * Copyright (C) 2006-2014 University of Dundee. All rights reserved. * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * *------------------------------------------------------------------------------ */ package org.openmicroscopy.shoola.util.roi.figures; import java.awt.Font; import java.awt.Graphics2D; import java.awt.Point; import java.awt.geom.AffineTransform; import java.awt.geom.Line2D; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.jhotdraw.draw.AbstractAttributedFigure; import org.jhotdraw.draw.FigureListener; import org.jhotdraw.geom.BezierPath; import org.openmicroscopy.shoola.util.roi.figures.ROIFigure; import org.openmicroscopy.shoola.util.roi.model.ROI; import org.openmicroscopy.shoola.util.roi.model.ROIShape; import org.openmicroscopy.shoola.util.roi.model.annotation.AnnotationKeys; import org.openmicroscopy.shoola.util.roi.model.annotation.MeasurementAttributes; import org.openmicroscopy.shoola.util.roi.model.util.MeasurementUnits; import org.openmicroscopy.shoola.util.roi.model.util.UnitPoint; import org.openmicroscopy.shoola.util.ui.UIUtilities; import org.openmicroscopy.shoola.util.ui.drawingtools.figures.FigureUtil; import org.openmicroscopy.shoola.util.ui.drawingtools.figures.LineTextFigure; import omero.model.Length; import omero.model.LengthI; import omero.model.enums.UnitsLength; /** * Line with measurement. * * @author Jean-Marie Burel      * <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a> * @author Donald MacDonald      * <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a> * @version 3.0 * @since OME3.0 */ public class MeasureLineFigure extends LineTextFigure implements ROIFigure { /** Flag indicating the figure can/cannot be deleted.*/ private boolean deletable; /** Flag indicating the figure can/cannot be annotated.*/ private boolean annotatable; /** Flag indicating the figure can/cannot be edited.*/ private boolean editable; /** Is this figure read only. */ private boolean readOnly; /** Is this figure a client object. */ private boolean clientObject; /** has the figure been modified. */ private boolean dirty; /** The bounds of the Line figure. */ private List<Rectangle2D> boundsArray; /** The list of lengths of sections on the line. */ private List<Length> lengthArray; /** The list of angles of sections on the line. */ private List<Double> angleArray; /** The list of X coords of the nodes on the line. */ private List<Length> pointArrayX; /** The list of Y coords of the nodes on the line. */ private List<Length> pointArrayY; /** The ROI containing the ROIFigure which in turn contains this Figure. */ protected ROI roi; /** The ROIFigure contains this Figure. */ protected ROIShape shape; /** The Measurement units, and values of the image. */ private MeasurementUnits units; /** * The status of the figure i.e. {@link ROIFigure#IDLE} or * {@link ROIFigure#MOVING}. */ private int status; /** Flag indicating if the user can move or resize the shape.*/ private boolean interactable; /** * Returns the point i in pixels or microns depending on the units used. * * @param i node * @return See above. */ private UnitPoint getPt(int i) { Point2D p = getPoint(i); return new UnitPoint(transformX(p.getX()), transformY(p.getY())); } /** Creates a new instance. */ public MeasureLineFigure() { this(DEFAULT_TEXT, false, true, true, true, true); } /** * Creates a new instance. * * @param readOnly the figure is read only. * @param clientObject the figure is a client object. * @param editable Flag indicating the figure can/cannot be edited. * @param deletable Flag indicating the figure can/cannot be deleted. * @param annotatable Flag indicating the figure can/cannot be annotated. */ public MeasureLineFigure(boolean readOnly, boolean clientObject, boolean editable, boolean deletable, boolean annotatable) { this(DEFAULT_TEXT, readOnly, clientObject, editable, deletable, annotatable); } /** * Creates a new instance * * @param text The text to add to the figure. * @param readOnly the figure is read only. * @param clientObject the figure is a client object. * @param editable Flag indicating the figure can/cannot be edited. * @param deletable Flag indicating the figure can/cannot be deleted. * @param annotatable Flag indicating the figure can/cannot be annotated. */ public MeasureLineFigure(String text, boolean readOnly, boolean clientObject, boolean editable, boolean deletable, boolean annotatable) { super(text); setAttribute(MeasurementAttributes.FONT_FACE, DEFAULT_FONT); setAttribute(MeasurementAttributes.FONT_SIZE, new Double(FONT_SIZE)); setAttribute(MeasurementAttributes.SCALE_PROPORTIONALLY, Boolean.FALSE); boundsArray = new ArrayList<Rectangle2D>(); lengthArray = new ArrayList<Length>(); angleArray = new ArrayList<Double>(); pointArrayX = new ArrayList<Length>(); pointArrayY = new ArrayList<Length>(); shape = null; roi = null; status = IDLE; setReadOnly(readOnly); setClientObject(clientObject); this.deletable = deletable; this.annotatable = annotatable; this.editable = editable; interactable = true; } /** * Draw the figure on the graphics context. * @param g the graphics context. */ public void draw(Graphics2D g) { super.draw(g); boundsArray.clear(); lengthArray.clear(); angleArray.clear(); if (MeasurementAttributes.SHOWMEASUREMENT.get(this)) { Double sz = (Double) getAttribute(MeasurementAttributes.FONT_SIZE); Font font = (Font) getAttribute(MeasurementAttributes.FONT_FACE); if (font != null) g.setFont(font.deriveFont(sz.floatValue())); else { g.setFont(new Font(FONT_FAMILY, FONT_STYLE, sz.intValue())); } g.setColor(MeasurementAttributes.STROKE_COLOR.get(this)); if (getPointCount() == 2) { double angle = getAngle(0, 1); if(angle>90) angle = Math.abs(angle-180); angleArray.add(angle); String lineAngle = addDegrees(UIUtilities.twoDecimalPlaces(angle)); Rectangle2D rect = g.getFontMetrics().getStringBounds( lineAngle, g); Point2D.Double lengthPoint = getLengthPosition(0, 1); Rectangle2D bounds = new Rectangle2D.Double(lengthPoint.x, lengthPoint.y+rect.getHeight()*2, rect.getWidth(), rect.getHeight()); g.drawString(lineAngle, (int)bounds.getX(), (int)bounds.getY()); boundsArray.add(bounds); } for( int x = 1 ; x < this.getPointCount()-1; x++) { double angle = getAngle(x-1, x, x+1); angleArray.add(angle); String lineAngle = addDegrees(UIUtilities.twoDecimalPlaces(angle)); Rectangle2D rect = g.getFontMetrics().getStringBounds(lineAngle, g); Rectangle2D bounds = new Rectangle2D.Double(getPoint(x).x, getPoint(x).y, rect.getWidth(), rect.getHeight()); g.drawString(lineAngle, (int) bounds.getX(), (int) bounds.getY()); boundsArray.add(bounds); } double total = 0; int n = getPointCount(); String v = ""; NumberFormat formatter = new DecimalFormat(FORMAT_PATTERN); int px, py; for( int x = 1 ; x < n; x++) { Length length = getLength(x-1, x); lengthArray.add(length); String lineLength = UIUtilities.formatValue(length); Point2D.Double lengthPoint = getLengthPosition(x-1, x); Rectangle2D rect = g.getFontMetrics().getStringBounds( lineLength, g); Rectangle2D bounds = new Rectangle2D.Double(lengthPoint.x-15, lengthPoint.y-15,rect.getWidth()+30, rect.getHeight()+30); px = (int) lengthPoint.x; py = (int) lengthPoint.y; g.drawString(lineLength, px, py); boundsArray.add(bounds); total += length.getValue(); v += formatter.format(length.getValue()); if (x != (n-1)) v +="+"; } v += "="+formatter.format(total); v += LengthI.lookupSymbol((getUnit())); if (n > 2) { List<Point> l = getPoints(); Iterator<Point> j = l.iterator(); Point p; int minX = Integer.MAX_VALUE, maxX = Integer.MIN_VALUE, yLoc = 0; while (j.hasNext()) { p = j.next(); if (minX > p.x) minX = p.x; if (maxX < p.x) maxX = p.x; if (yLoc < p.y) yLoc = p.y; } Rectangle2D b = g.getFontMetrics().getStringBounds(v, g); g.drawString(v, (int) minX, (int) (yLoc+b.getHeight())); } } if (MeasurementAttributes.SHOWID.get(this)) { Rectangle2D bounds; g.setColor(this.getTextColor()); bounds = g.getFontMetrics().getStringBounds(getROI().getID()+"", g); bounds = new Rectangle2D.Double( path.getCenter().getX()-bounds.getWidth()/2, path.getCenter().getY()+bounds.getHeight()/2, bounds.getWidth(), bounds.getHeight()); g.drawString(getROI().getID()+"", (int) bounds.getX(), (int)bounds.getY()); } } /** * Overridden to stop updating shape if read-only * @see AbstractAttributedFigure#transform(AffineTransform) */ public void transform(AffineTransform tx) { if (!readOnly && interactable) { super.transform(tx); this.setObjectDirty(true); } } /** * Overridden to stop updating shape if read-only. * @see AbstractAttributedFigure#setBounds(Point2D.Double, Point2D.Double) */ public void setBounds(Point2D.Double anchor, Point2D.Double lead) { if (!readOnly && interactable) { super.setBounds(anchor, lead); this.setObjectDirty(true); } } /** * Overridden to return the correct handles. * @see AbstractAttributedFigure#createHandles(int) */ /* cannot do that otherwise enter in an infinite loop public Collection<Handle> createHandles(int detailLevel) { if(!readOnly) return super.createHandles(detailLevel); else { LinkedList<Handle> handles = new LinkedList<Handle>(); handles.add(new FigureSelectionHandle(this)); return handles; } } */ /** * Get the length array. These are the lengths of each segment of the line. * @return see above. */ public List<Length> getLengthArray() { return lengthArray; } /** * Get the angle array. These are the angles between each segment of the line. * @return see above. */ public List<Double> getAngleArray() { return angleArray; } /** * Add degrees to the measurements. * @param str the measurement. * @return see above. */ public String addDegrees(String str) { if (str == null) str = "0"; return str + UIUtilities.DEGREE_SYMBOL; } /** * Calculates the bounds of the rendered figure, including the text rendered. * @return see above. */ public Rectangle2D.Double getDrawingArea() { Rectangle2D.Double newBounds = super.getDrawingArea(); if(boundsArray!=null) for(int i = 0 ; i < boundsArray.size(); i++) { Rectangle2D bounds = boundsArray.get(i); if(newBounds.getX()>bounds.getX()) { double diff = newBounds.x-bounds.getX(); newBounds.x = bounds.getX(); newBounds.width = newBounds.width+diff; } if(newBounds.getY()>bounds.getY()) { double diff = newBounds.y-bounds.getY(); newBounds.y = bounds.getY(); newBounds.height = newBounds.height+diff; } if(bounds.getX()+bounds.getWidth()>newBounds.getX()+newBounds.getWidth()) { double diff = bounds.getX()+bounds.getWidth()-newBounds.getX()+newBounds.getWidth(); newBounds.width = newBounds.width+diff; } if(bounds.getY()+bounds.getHeight()>newBounds.getY()+newBounds.getHeight()) { double diff = bounds.getY()+bounds.getHeight()-newBounds.getY()+newBounds.getHeight(); newBounds.height = newBounds.height+diff; } } return newBounds; } /** * Return the middle of the line segment from i, j, used to display text. * @param i see above. * @param j see above. * @return see above. */ public Point2D.Double getLengthPosition(int i, int j) { Point2D.Double p0 = getPoint(i); Point2D.Double p1 = getPoint(j); double lx = (p0.x-p1.x)/2; double ly = (p0.y-p1.y)/2; double x = p0.x-lx; double y = p0.y-ly; return new Point2D.Double(x, y); } /** * Return the length of the line segment from i, j * @param i see above. * @param j see above. * @return see above. */ public Length getLength(int i , int j) { UnitPoint pt1 = getPt(i); UnitPoint pt2 = getPt(j); return pt1.getDistance(pt2); } /** * Return the angle between the line segment from i, j and j,k * @param i see above. * @param j see above. * @param k see above. * @return see above. */ public double getAngle(int i, int j, int k) { Point2D p0 = getPt(i).getValue(); Point2D p1 = getPt(j).getValue(); Point2D p2 = getPt(k).getValue(); Point2D v0 = new Point2D.Double(p0.getX()-p1.getX(), p0.getY()-p1.getY()); Point2D v1 = new Point2D.Double(p2.getX()-p1.getX(), p2.getY()-p1.getY()); return Math.toDegrees(Math.acos(dotProd(v0, v1))); } /** * Return the angle between the line segment from i, j from the x-axis. * @param i see above. * @param j see above. * @return see above. */ public double getAngle(int i, int j) { Point2D p0 = getPt(i).getValue(); Point2D p1 = getPt(j).getValue(); Point2D v0 = new Point2D.Double(p0.getX()-p1.getX(), p0.getY()-p1.getY()); Point2D v1 = new Point2D.Double(1,0); return Math.toDegrees(Math.acos(dotProd(v0, v1))); } /** * Calculate the dot product of p0, p1. * @param p0 see above. * @param p1 see above. * @return see above. */ public double dotProd(Point2D p0, Point2D p1) { double adotb = p0.getX()*p1.getX()+p0.getY()*p1.getY(); double normab = Math.sqrt(p0.getX()*p0.getX()+p0.getY()*p0.getY())* Math.sqrt(p1.getX()*p1.getX()+p1.getY()*p1.getY()); return adotb/normab; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getROI() */ public ROI getROI() { return roi; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getROIShape() */ public ROIShape getROIShape() { return shape; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#setROI(ROI) */ public void setROI(ROI roi) { this.roi = roi; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#setROIShape(ROIShape) */ public void setROIShape(ROIShape shape) { this.shape = shape; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getType() */ public void calculateMeasurements() { if (shape == null) return; pointArrayX.clear(); pointArrayY.clear(); lengthArray.clear(); angleArray.clear(); UnitPoint pt; for (int i = 0 ; i < getPointCount(); i++) { pt = getPt(i); pointArrayX.add(pt.x); pointArrayY.add(pt.y); } if (getPointCount() == 2) { double angle = getAngle(0, 1); if (angle > 90) angle = Math.abs(angle-180); angleArray.add(angle); lengthArray.add(getLength(0, 1)); } else { for (int x = 1 ; x < this.getPointCount()-1; x++) angleArray.add(getAngle(x-1, x, x+1)); for (int x = 1 ; x < this.getPointCount(); x++) lengthArray.add(getLength(x-1, x)); } AnnotationKeys.ANGLE.set(shape, angleArray); AnnotationKeys.LENGTH.set(shape, lengthArray); AnnotationKeys.STARTPOINTX.set(shape, getPt(0).x); AnnotationKeys.STARTPOINTY.set(shape, getPt(0).y); AnnotationKeys.ENDPOINTX.set(shape, getPt(getPointCount()-1).x); AnnotationKeys.ENDPOINTY.set(shape, getPt(getPointCount()-1).y); AnnotationKeys.POINTARRAYX.set(shape, pointArrayX); AnnotationKeys.POINTARRAYY.set(shape, pointArrayY); } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getType() */ public String getType() { return FigureUtil.LINE_TYPE; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#setMeasurementUnits(MeasurementUnits) */ public void setMeasurementUnits(MeasurementUnits units) { this.units = units; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getPoints() */ public List<Point> getPoints() { List<Point> vector = new ArrayList<Point>(); for (int i = 0 ; i < getNodeCount()-1; i++) iterateLine(new Line2D.Double(getPoint(i), getPoint(i+1)), vector); return vector; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getSize() */ public int getSize() { int total = 0; for (int i = 0 ; i < getNodeCount()-1; i++) iterateLine(new Line2D.Double(getPoint(i), getPoint(i+1)), total); return total; } /** * Iterate the line to get the points under it. * @param line the line to iterate. * @param vector the vector to add the point to. */ private void iterateLine(Line2D line, List<Point> vector) { Point2D start = line.getP1(); Point2D end = line.getP2(); Point2D m = new Point2D.Double(end.getX()-start.getX(), end.getY()-start.getY()); double lengthM = (Math.sqrt(m.getX()*m.getX()+m.getY()*m.getY())); Point2D mNorm = new Point2D.Double(m.getX()/lengthM,m.getY()/lengthM); LinkedHashMap<Point2D, Boolean> map = new LinkedHashMap<Point2D, Boolean>(); Point2D pt, quantisedPoint; for (double i = 0 ; i < lengthM ; i += 0.1) { pt = new Point2D.Double(start.getX()+i*mNorm.getX(), start.getY()+i*mNorm.getY()); quantisedPoint = new Point2D.Double(Math.floor(pt.getX()), Math.floor(pt.getY())); if (!map.containsKey(quantisedPoint)) map.put(quantisedPoint, Boolean.valueOf(true)); } Iterator<Point2D> i = map.keySet().iterator(); while (i.hasNext()) { pt = i.next(); vector.add(new Point((int) pt.getX(), (int) pt.getY())); } } /** * Iterate the line to get the points under it. * @param line the line to iterate. * @param total The total number of points. */ private void iterateLine(Line2D line, int total) { Point2D start = line.getP1(); Point2D end = line.getP2(); Point2D m = new Point2D.Double(end.getX()-start.getX(), end.getY()-start.getY()); double lengthM = (Math.sqrt(m.getX()*m.getX()+m.getY()*m.getY())); Point2D mNorm = new Point2D.Double(m.getX()/lengthM,m.getY()/lengthM); Map<Point2D, Boolean> map = new HashMap<Point2D, Boolean>(); Point2D pt, quantisedPoint; for (double i = 0 ; i < lengthM ; i += 0.1) { pt = new Point2D.Double(start.getX()+i*mNorm.getX(), start.getY()+i*mNorm.getY()); quantisedPoint = new Point2D.Double(Math.floor(pt.getX()), Math.floor(pt.getY())); if (!map.containsKey(quantisedPoint)) map.put(quantisedPoint, Boolean.valueOf(true)); } total += map.size(); } /** * Overridden method for bezier, make public what 7.0 made private. */ public void removeAllNodes() { super.removeAllNodes(); this.setObjectDirty(true); } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#setStatus(int) */ public void setStatus(int status) { this.status = status; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#getStatus() */ public int getStatus() { return status; } /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#isReadOnly() */ public boolean isReadOnly() { return readOnly;} /** * Implemented as specified by the {@link ROIFigure} interface. * @see ROIFigure#setReadOnly(boolean) */ public void setReadOnly(boolean readOnly) { this.readOnly = readOnly; setEditable(!readOnly); } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#isClientObject() */ public boolean isClientObject() { return clientObject; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#setClientObject(boolean) */ public void setClientObject(boolean clientSide) { clientObject = clientSide; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#isDirty() */ public boolean isDirty() { return dirty; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#setObjectDirty(boolean) */ public void setObjectDirty(boolean dirty) { this.dirty = dirty; } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * MeasureLineFigure#clone() */ public MeasureLineFigure clone() { MeasureLineFigure that = (MeasureLineFigure) super.clone(); that.setReadOnly(this.isReadOnly()); that.setClientObject(this.isClientObject()); that.setObjectDirty(true); that.setInteractable(true); return that; } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setClosed(boolean) */ public void setClosed(boolean newValue) { super.setClosed(newValue); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setBezierPath(BezierPath) */ public void setBezierPath(BezierPath newValue) { if (isReadOnly() || !interactable) return; super.setBezierPath(newValue); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setEndPoint(Point2D) */ public void setEndPoint(Point2D.Double p) { if (isReadOnly() || !interactable) return; super.setEndPoint(p); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setNode(Point2D) */ public void setNode(int index, BezierPath.Node p) { if (isReadOnly() || !interactable) return; super.setNode(index, p); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setPoint(int, int, Point2D) */ public void setPoint(int index, int coord, Point2D.Double p) { if (isReadOnly() || !interactable) return; super.setPoint(index, coord, p); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#setStartPoint(Point2D) */ public void setStartPoint(Point2D.Double p) { if (isReadOnly() || !interactable) return; super.setStartPoint(p); this.setObjectDirty(true); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#splitSegment(Point2D) */ public int splitSegment(Point2D.Double split) { if (isReadOnly() || !interactable) return -1; this.setObjectDirty(true); return super.splitSegment(split); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#splitSegment(Point2D, float) */ public int splitSegment(Point2D.Double split, float tolerance) { if (isReadOnly() || !interactable) return -1; this.setObjectDirty(true); return super.splitSegment(split, tolerance); } /* * (non-Javadoc) * @see org.openmicroscopy.shoola.util.ui.drawingtools.figures. * BezierFigure#joinSegments(Point2D, float) */ public int joinSegments(Point2D.Double join, float tolerance) { if (isReadOnly() || !interactable) return -1; this.setObjectDirty(true); return super.joinSegments(join, tolerance); } /** * Overridden to mark the object has dirty. * @see MeasureLineFigure#setText(String) */ public void setText(String text) { super.setText(text); this.setObjectDirty(true); } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#getFigureListeners() */ public List<FigureListener> getFigureListeners() { List<FigureListener> figListeners = new ArrayList<FigureListener>(); Object[] listeners = listenerList.getListenerList(); for (Object listener : listeners) if (listener instanceof FigureListener) figListeners.add((FigureListener) listener); return figListeners; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#canAnnotate() */ public boolean canAnnotate() { return annotatable; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#canDelete() */ public boolean canDelete() { return deletable; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#canAnnotate() */ public boolean canEdit() { return editable; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#setInteractable(boolean) */ public void setInteractable(boolean interactable) { this.interactable = interactable; } /** * Implemented as specified by the {@link ROIFigure} interface * @see ROIFigure#canInteract() */ public boolean canInteract() { return interactable; } /** * Transforms the given x pixel value into a unit object * @param x A pixel value in x direction */ private Length transformX(double x) { return transformX((int)x); } /** * Transforms the given y pixel value into a unit object * @param y A pixel value in y direction */ private Length transformY(double y) { return transformY((int)y); } /** * Transforms the given x pixel value into a unit object * @param x A pixel value in x direction */ private Length transformX(int x) { if(units.getPixelSizeX()!=null) return new LengthI(x*units.getPixelSizeX().getValue(), units.getPixelSizeX().getUnit()); else return new LengthI(x, UnitsLength.PIXEL); } /** * Transforms the given x pixel value into a unit object * @param x A pixel value in x direction */ private Length transformY(int y) { if(units.getPixelSizeY()!=null) return new LengthI(y*units.getPixelSizeY().getValue(), units.getPixelSizeY().getUnit()); else return new LengthI(y, UnitsLength.PIXEL); } /** * Get the unit which is used for the pixel sizes */ private UnitsLength getUnit() { if(units.getPixelSizeX()!=null) return units.getPixelSizeX().getUnit(); else return UnitsLength.PIXEL; } }