List of usage examples for java.awt Graphics2D getPaint
public abstract Paint getPaint();
From source file:org.fhcrc.cpl.viewer.mrm.utilities.MRMerMouseListener.java
/** * Draws zoom rectangle (if present)./*from w ww . j a va 2s . co m*/ * The drawing is performed in XOR mode, therefore * when this method is called twice in a row, * the second call will completely restore the state * of the canvas. * * @param g2 the graphics device. */ private void drawCoElutionRegion(Graphics2D g2) { // Set XOR mode to draw the zoom rectangle if (g2 == null) return; Paint origColor = g2.getPaint(); // g2.setXORMode(Color.gray); g2.setXORMode(new Color(30, 10, 30, 5)); if (this.coElutionRegion != null) { g2.fill(this.coElutionRegion); g2.setPaint(Color.white); g2.setStroke(new BasicStroke(3.0f)); g2.draw(this.coElutionRegion); } g2.setPaintMode(); g2.setPaint(origColor); }
From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java
private void drawMarker(Point2D.Double point, Graphics2D g2, Color color) { Stroke oldStroke = g2.getStroke(); Paint oldPaint = g2.getPaint(); g2.setPaint(color);// w w w . ja va 2s . com //Shape line = new Line2D.Double(point, point); Shape marker = new Ellipse2D.Double(point.getX() - 1.5, point.getY() - 1.5, 3, 3); g2.fill(marker); g2.setPaint(oldPaint); }
From source file:com.projity.pm.graphic.gantt.GanttRenderer.java
public void paintNonWorkingDays(Graphics2D g2, Rectangle bounds) { BarFormat calFormat = getCalendarFormat(); if (calFormat == null) return;/*from w w w. ja va2s.co m*/ //non working days Color oldColor = g2.getColor(); Paint oldPaint = g2.getPaint(); CoordinatesConverter coord = ((GanttParams) graphInfo).getCoord(); Project project = coord.getProject(); WorkingCalendar wc = (WorkingCalendar) project.getWorkCalendar(); if (coord.getTimescaleManager().isShowWholeDays()) { boolean useScale2 = coord.getTimescaleManager().getCurrentScaleIndex() == 0; //valid only for current time scales TimeIterator i = coord.getTimeIterator(bounds.getX(), bounds.getMaxX(), useScale2); long startNonworking = -1L, endNonWorking = -1L; Calendar cal = DateTime.calendarInstance(); PredefinedPaint paint = (PredefinedPaint) calFormat.getMiddle().getPaint();//new PredefinedPaint(PredefinedPaint.DOT_LINE,Colors.VERY_LIGHT_GRAY,Color.WHITE); paint.applyPaint(g2, useTextures()); while (i.hasNext()) { TimeInterval interval = i.next(); long s = interval.getStart(); if (CalendarService.getInstance().getDay(wc, s).isWorking()) { if (startNonworking != -1L) { drawNonWorking(g2, startNonworking, endNonWorking, cal, coord, bounds, useScale2); startNonworking = endNonWorking = -1L; } } else { if (startNonworking == -1L) startNonworking = s; endNonWorking = s; } } if (startNonworking != -1L) { drawNonWorking(g2, startNonworking, endNonWorking, cal, coord, bounds, useScale2); startNonworking = endNonWorking = -1L; } } if (container != null) { //scale2 separation lines TimeIterator i = coord.getTimeIterator(bounds.getX(), bounds.getMaxX(), true); g2.setPaint(new PredefinedPaint(PredefinedPaint.DOT_LINE2, Color.GRAY, g2.getBackground())); while (i.hasNext()) { TimeInterval interval = i.next(); int startX = (int) Math.round(coord.toX(interval.getStart())); g2.drawLine(startX, bounds.y, startX, bounds.y + bounds.height); } //project start int projectStartX = (int) Math.round(coord.toX(project.getStart())); if (projectStartX >= bounds.getX() && projectStartX <= bounds.getMaxX()) { g2.setPaint(new PredefinedPaint(PredefinedPaint.DASH_LINE, Color.GRAY, g2.getBackground())); g2.drawLine(projectStartX, bounds.y, projectStartX, bounds.y + bounds.height); } //project start long statusDate = project.getStatusDate(); if (statusDate != 0) { int statusDateX = (int) Math.round(coord.toX(statusDate)); if (statusDateX >= bounds.getX() && statusDateX <= bounds.getMaxX()) { g2.setPaint(new PredefinedPaint(PredefinedPaint.DOT_LINE2, Color.GREEN, g2.getBackground())); g2.drawLine(statusDateX, bounds.y, statusDateX, bounds.y + bounds.height); } } if (oldColor != null) g2.setColor(oldColor); if (oldPaint != null) g2.setPaint(oldPaint); } }
From source file:de.tor.tribes.ui.algo.TimeFrameVisualizer.java
@Override public void paintComponent(Graphics g) { super.paintComponent(g); if (mTimeFrame == null) { renderNoInfoView(g);/*from w w w .j a v a 2 s . c o m*/ } else { updateSize(); LongRange startRange = mTimeFrame.getStartRange(); LongRange arriveRange = mTimeFrame.getArriveRange(); HashMap<LongRange, TimeSpan> startRanges = mTimeFrame .startTimespansToRangesMap(AnyTribe.getSingleton()); HashMap<LongRange, TimeSpan> arriveRanges = mTimeFrame.arriveTimespansToRangesMap(null); long minValue = startRange.getMinimumLong(); long maxValue = arriveRange.getMaximumLong(); Graphics2D g2d = (Graphics2D) g; g2d.setPaint(new TexturePaint(STROKED, new Rectangle(0, 0, 3, 3))); g2d.fillRect(0, 0, getWidth(), getHeight()); //draw frame around the entire range renderRange(new LongRange(startRange.getMinimumLong(), arriveRange.getMaximumLong()), startRange, arriveRange, false, false, g2d, null, popupInfo); g2d.setColor(Constants.DS_BACK); popupInfo.clear(); //fill start range renderRange(startRange, startRange, arriveRange, true, false, g2d, null, popupInfo); //fill arrive range renderRange(arriveRange, startRange, arriveRange, false, true, g2d, null, popupInfo); Paint p = g2d.getPaint(); Iterator<LongRange> rangeKeys = startRanges.keySet().iterator(); while (rangeKeys.hasNext()) { LongRange currentRange = rangeKeys.next(); TimeSpan spanForRange = startRanges.get(currentRange); if (spanForRange != null) { if (spanForRange.isValidAtEveryDay()) { g2d.setPaint(new TexturePaint(DAILY_START_FRAME_FILL, new Rectangle(0, 0, 3, 3))); } else if (spanForRange.isValidAtExactTime()) { g2d.setPaint(new TexturePaint(EXACT_START_FRAME_FILL, new Rectangle(0, 0, 3, 3))); } else { g2d.setPaint(new TexturePaint(ONE_DAY_START_FRAME_FILL, new Rectangle(0, 0, 3, 3))); } } renderRange(currentRange, startRange, arriveRange, false, false, g2d, spanForRange, popupInfo); } Composite c = g2d.getComposite(); rangeKeys = arriveRanges.keySet().iterator(); while (rangeKeys.hasNext()) { LongRange currentRange = rangeKeys.next(); g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f)); g2d.setPaint(new TexturePaint(ARRIVE_FRAME_FILL, new Rectangle(0, 0, 3, 3))); TimeSpan spanForRange = arriveRanges.get(currentRange); renderRange(currentRange, startRange, arriveRange, false, false, g2d, spanForRange, popupInfo); } g2d.setComposite(c); g2d.setPaint(p); renderDayMarkers(minValue, maxValue, g2d); renderPopup(popupInfo, g2d); } }
From source file:edu.uci.ics.jung.visualization.PluggableRenderer.java
public void paintShapeForVertex(Graphics2D g2d, Vertex v, Shape shape) { Paint oldPaint = g2d.getPaint(); Paint fillPaint = vertexPaintFunction.getFillPaint(v); if (fillPaint != null) { g2d.setPaint(fillPaint);//w ww . j a va 2 s. c o m g2d.fill(shape); g2d.setPaint(oldPaint); } Paint drawPaint = vertexPaintFunction.getDrawPaint(v); if (drawPaint != null) { g2d.setPaint(drawPaint); g2d.draw(shape); g2d.setPaint(oldPaint); } }
From source file:edu.uci.ics.jung.visualization.PluggableRenderer.java
/** * Draws the edge <code>e</code>, whose endpoints are at <code>(x1,y1)</code> * and <code>(x2,y2)</code>, on the graphics context <code>g</code>. * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code> instance * is scaled in the x-direction so that its width is equal to the distance between * <code>(x1,y1)</code> and <code>(x2,y2)</code>. *///from w w w .j a v a 2 s . com protected void drawSimpleEdge(Graphics2D g, Edge e, int x1, int y1, int x2, int y2) { Pair endpoints = e.getEndpoints(); Vertex v1 = (Vertex) endpoints.getFirst(); Vertex v2 = (Vertex) endpoints.getSecond(); boolean isLoop = v1.equals(v2); Shape s2 = vertexShapeFunction.getShape(v2); Shape edgeShape = edgeShapeFunction.getShape(e); boolean edgeHit = true; boolean arrowHit = true; Rectangle deviceRectangle = null; if (screenDevice != null) { Dimension d = screenDevice.getSize(); if (d.width <= 0 || d.height <= 0) { d = screenDevice.getPreferredSize(); } deviceRectangle = new Rectangle(0, 0, d.width, d.height); } AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1); if (isLoop) { // this is a self-loop. scale it is larger than the vertex // it decorates and translate it so that its nadir is // at the center of the vertex. Rectangle2D s2Bounds = s2.getBounds2D(); xform.scale(s2Bounds.getWidth(), s2Bounds.getHeight()); xform.translate(0, -edgeShape.getBounds2D().getWidth() / 2); } else { // this is a normal edge. Rotate it to the angle between // vertex endpoints, then scale it to the distance between // the vertices float dx = x2 - x1; float dy = y2 - y1; float thetaRadians = (float) Math.atan2(dy, dx); xform.rotate(thetaRadians); float dist = (float) Math.sqrt(dx * dx + dy * dy); xform.scale(dist, 1.0); } edgeShape = xform.createTransformedShape(edgeShape); edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle); if (edgeHit == true) { Paint oldPaint = g.getPaint(); // get Paints for filling and drawing // (filling is done first so that drawing and label use same Paint) Paint fill_paint = edgePaintFunction.getFillPaint(e); if (fill_paint != null) { g.setPaint(fill_paint); g.fill(edgeShape); } Paint draw_paint = edgePaintFunction.getDrawPaint(e); if (draw_paint != null) { g.setPaint(draw_paint); g.draw(edgeShape); } float scalex = (float) g.getTransform().getScaleX(); float scaley = (float) g.getTransform().getScaleY(); // see if arrows are too small to bother drawing if (scalex < .3 || scaley < .3) return; if (edgeArrowPredicate.evaluate(e)) { Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond()); AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2); destVertexShape = xf.createTransformedShape(destVertexShape); arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getArrowTransform((GeneralPath) edgeShape, destVertexShape); else at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); // note that arrows implicitly use the edge's draw paint g.fill(arrow); } if (e instanceof UndirectedEdge) { Shape vertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getFirst()); xf = AffineTransform.getTranslateInstance(x1, y1); vertexShape = xf.createTransformedShape(vertexShape); arrowHit = viewTransformer.transform(vertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getReverseArrowTransform((GeneralPath) edgeShape, vertexShape, !isLoop); else at = getReverseArrowTransform(new GeneralPath(edgeShape), vertexShape, !isLoop); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); g.fill(arrow); } } } // use existing paint for text if no draw paint specified if (draw_paint == null) g.setPaint(oldPaint); String label = edgeStringer.getLabel(e); if (label != null) { labelEdge(g, e, label, x1, x2, y1, y2); } // restore old paint g.setPaint(oldPaint); } }
From source file:org.dishevelled.brainstorm.BrainStorm.java
/** {@inheritDoc} */ public void paintComponent(final Graphics graphics) { Graphics2D g = (Graphics2D) graphics; Paint oldPaint = g.getPaint(); g.setPaint(backgroundColor);/*from ww w. j a v a2s . c o m*/ g.fill(getBounds()); g.setPaint(oldPaint); }
From source file:org.dwfa.ace.graph.AceGraphRenderer.java
/** * Draws the edge <code>e</code>, whose endpoints are at * <code>(x1,y1)</code> and <code>(x2,y2)</code>, on the graphics context * <code>g</code>.// www . j a v a 2 s. co m * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code> * instance * is scaled in the x-direction so that its width is equal to the distance * between <code>(x1,y1)</code> and <code>(x2,y2)</code>. */ protected void drawSimpleEdge(Graphics2D g, Edge e, int x1, int y1, int x2, int y2) { Pair endpoints = e.getEndpoints(); Vertex v1 = (Vertex) endpoints.getFirst(); Vertex v2 = (Vertex) endpoints.getSecond(); boolean isLoop = v1.equals(v2); Shape s2 = vertexShapeFunction.getShape(v2); Shape edgeShape = edgeShapeFunction.getShape(e); boolean edgeHit = true; boolean arrowHit = true; Rectangle deviceRectangle = null; if (screenDevice != null) { Dimension d = screenDevice.getSize(); if (d.width <= 0 || d.height <= 0) { d = screenDevice.getPreferredSize(); } deviceRectangle = new Rectangle(0, 0, d.width, d.height); } AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1); if (isLoop) { // this is a self-loop. scale it is larger than the vertex // it decorates and translate it so that its nadir is // at the center of the vertex. Rectangle2D s2Bounds = s2.getBounds2D(); xform.scale(s2Bounds.getWidth(), s2Bounds.getHeight()); xform.translate(0, -edgeShape.getBounds2D().getWidth() / 2); } else { // this is a normal edge. Rotate it to the angle between // vertex endpoints, then scale it to the distance between // the vertices float dx = x2 - x1; float dy = y2 - y1; float thetaRadians = (float) Math.atan2(dy, dx); xform.rotate(thetaRadians); float dist = (float) Math.sqrt(dx * dx + dy * dy); xform.scale(dist, 1.0); } edgeShape = xform.createTransformedShape(edgeShape); if (deviceRectangle == null) { edgeHit = false; } else { edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle); } if (edgeHit == true) { Paint oldPaint = g.getPaint(); // get Paints for filling and drawing // (filling is done first so that drawing and label use same Paint) Paint fill_paint = edgePaintFunction.getFillPaint(e); if (fill_paint != null) { g.setPaint(fill_paint); g.fill(edgeShape); } Paint draw_paint = edgePaintFunction.getDrawPaint(e); if (draw_paint != null) { g.setPaint(draw_paint); g.draw(edgeShape); } float scalex = (float) g.getTransform().getScaleX(); float scaley = (float) g.getTransform().getScaleY(); // see if arrows are too small to bother drawing if (scalex < .3 || scaley < .3) return; if (edgeArrowPredicate.evaluate(e)) { Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond()); AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2); destVertexShape = xf.createTransformedShape(destVertexShape); arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getArrowTransform((GeneralPath) edgeShape, destVertexShape); else at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); // note that arrows implicitly use the edge's draw paint g.fill(arrow); } if (e instanceof UndirectedEdge) { Shape vertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getFirst()); xf = AffineTransform.getTranslateInstance(x1, y1); vertexShape = xf.createTransformedShape(vertexShape); arrowHit = viewTransformer.transform(vertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getReverseArrowTransform((GeneralPath) edgeShape, vertexShape, !isLoop); else at = getReverseArrowTransform(new GeneralPath(edgeShape), vertexShape, !isLoop); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); g.fill(arrow); } } } // use existing paint for text if no draw paint specified if (draw_paint == null) g.setPaint(oldPaint); String label = edgeStringer.getLabel(e); if (label != null) { labelEdge(g, e, label, x1, x2, y1, y2); } // restore old paint g.setPaint(oldPaint); } }
From source file:org.processmining.analysis.performance.sequence.Pattern.java
/** * Draws a rectangle of width 20, height length and starting point * (startX,startY) in the northwest corner of the rectangle. In case * logicSteps is true, the height is 10. * // w ww . j a v a 2 s . c om * @param startX * double * @param startY * double * @param length * double * @param logicSteps * boolean * @param g * Graphics2D */ public void drawRectangle(double startX, double startY, double length, boolean logicSteps, Graphics2D g) { Rectangle2D r = new Rectangle2D.Double(startX, startY, 20, length); if (logicSteps) { r = new Rectangle2D.Double(startX, startY, 20, 10); } Color initialColor = g.getColor(); Paint initialPaint = g.getPaint(); GradientPaint towhite = new GradientPaint(((Double) startX).floatValue(), ((Double) startY).floatValue(), initialColor, ((Double) startX).floatValue() + 20, ((Double) (startY)).floatValue(), Color.WHITE); g.setPaint(towhite); g.fill(r); g.setPaint(initialPaint); g.setColor(Color.BLACK); g.draw(r); g.setColor(initialColor); }
From source file:statechum.analysis.learning.Visualiser.java
protected static PluggableRenderer constructRenderer(Graph g, final LayoutOptions options) { final LayoutOptions graphLayoutOptions = options != null ? options : new LayoutOptions(); PluggableRenderer r = new PluggableRenderer() { /**/* www . j a va2s . co m*/ * Draws the edge <code>e</code>, whose endpoints are at <code>(x1,y1)</code> * and <code>(x2,y2)</code>, on the graphics context <code>g</code>. * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code> instance * is scaled in the x-direction so that its width is equal to the distance between * <code>(x1,y1)</code> and <code>(x2,y2)</code>. */ @Override protected void drawSimpleEdge(Graphics2D g2d, Edge e, int x1, int y1, int x2, int y2) { final Vertex v1 = (Vertex) e.getEndpoints().getFirst(); final Vertex v2 = (Vertex) e.getEndpoints().getSecond(); boolean isLoop = v1.equals(v2); final Shape s2 = vertexShapeFunction.getShape(v2); Shape edgeShape = edgeShapeFunction.getShape(e); final double dx = x2 - x1; final double dy = y2 - y1; boolean edgeHit = true; boolean arrowHit = true; Rectangle deviceRectangle = null; if (screenDevice != null) { Dimension d = screenDevice.getSize(); if (d.width <= 0 || d.height <= 0) { d = screenDevice.getPreferredSize(); } deviceRectangle = new Rectangle(0, 0, d.width, d.height); } String label = edgeStringer.getLabel(e); assert (label != null); Component labelComponent = prepareRenderer(graphLabelRenderer, label, isPicked(e), e); Dimension d = labelComponent.getPreferredSize(); Rectangle2D EdgeShapeBoundaries = edgeShape.getBounds2D(); AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1); double yMin = 0, yMax = 0; double thetaRadians = 0; if (isLoop) { // this is a self-loop. scale it is larger than the vertex // it decorates and translate it so that its nadir is // at the center of the vertex. int edgeIndex = ParallelEdgeIndexSingleton.getInstance().getIndex(e); Rectangle2D s2Bounds = s2.getBounds2D(); double scaleBy = 1 + (graphLayoutOptions.scaleLines - 1) * 1. / 3.; double translation = s2Bounds.getHeight() * (1. / 4. + edgeIndex / 4.); xform.translate(0, -scaleBy * translation); xform.scale(scaleBy * s2Bounds.getWidth(), scaleBy * s2Bounds.getHeight()); yMin = scaleBy * (EdgeShapeBoundaries.getMinY() * s2Bounds.getHeight()) - translation; yMax = scaleBy * (EdgeShapeBoundaries.getMaxY() * s2Bounds.getHeight()) - translation; } else { // this is a normal edge. Rotate it to the angle between // vertex endpoints, then scale it to the distance between // the vertices thetaRadians = Math.atan2(dy, dx); double dist = Math.sqrt(dx * dx + dy * dy); xform.rotate(thetaRadians); xform.scale(dist, 1.0); yMin = EdgeShapeBoundaries.getMinY(); yMax = EdgeShapeBoundaries.getMaxY(); } edgeShape = xform.createTransformedShape(edgeShape); // Debug code /* if (!isLoop) { g2d.setPaint(new Color( 250, 250, 0)); AffineTransform rect = AffineTransform.getTranslateInstance(x1, y1+yMin); rect.rotate(thetaRadians); g2d.fill(rect.createTransformedShape( new Rectangle(0,0,(int)Math.sqrt(dx*dx + dy*dy),(int)(yMax-yMin)))); } else { g2d.setPaint(new Color( 100, 250, 0)); AffineTransform rect = AffineTransform.getTranslateInstance(x1-s2.getBounds2D().getWidth()/2, y1+yMin); rect.rotate(thetaRadians); g2d.fill(rect.createTransformedShape( new Rectangle(0,0,(int)s2.getBounds2D().getWidth(),(int)(yMax-yMin)))); }*/ edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle); if (edgeHit == true) { Paint oldPaint = g2d.getPaint(); // get Paints for filling and drawing // (filling is done first so that drawing and label use same Paint) Paint fill_paint = edgePaintFunction.getFillPaint(e); if (fill_paint != null) { g2d.setPaint(fill_paint); g2d.fill(edgeShape); } Paint draw_paint = edgePaintFunction.getDrawPaint(e); if (draw_paint != null) { g2d.setPaint(draw_paint); g2d.draw(edgeShape); } double scalex = g2d.getTransform().getScaleX(); double scaley = g2d.getTransform().getScaleY(); // see if arrows are too small to bother drawing if (scalex < .3 || scaley < .3) return; if (edgeArrowPredicate.evaluate(e)) { Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond()); AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2); destVertexShape = xf.createTransformedShape(destVertexShape); arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle); if (arrowHit) { AffineTransform at; if (edgeShape instanceof GeneralPath) at = getArrowTransform((GeneralPath) edgeShape, destVertexShape); else at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape); if (at == null) return; Shape arrow = edgeArrowFunction.getArrow(e); arrow = at.createTransformedShape(arrow); // note that arrows implicitly use the edge's draw paint g2d.fill(arrow); } assert !(e instanceof UndirectedEdge); } // For difference visualisation only boolean labelBelow = false; if (graphLayoutOptions.showDIFF && (draw_paint == null || draw_paint instanceof Color && ((Color) draw_paint).equals(Color.BLACK))) labelBelow = true; // Now draw the label. double xLabel = 0, yLabel = 0, xa = 0, ya = 0, rotation = thetaRadians; if (isLoop) { double displacementY = labelBelow ? -yMin + d.height : -yMin + d.height, displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa - displacementX * Math.cos(thetaRadians); yLabel = ya - displacementX * Math.sin(thetaRadians); } else if (dx < 0) { double displacementY = labelBelow ? yMax - d.height : (-yMax - d.height), displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa + displacementX * Math.cos(thetaRadians); yLabel = ya + displacementX * Math.sin(thetaRadians); rotation = thetaRadians + Math.PI; } else { double displacementY = labelBelow ? yMax : -yMax, displacementX = d.width / 2; xa = x1 + dx / 2 + displacementY * Math.sin(thetaRadians); ya = y1 + dy / 2 - displacementY * Math.cos(thetaRadians); xLabel = xa - displacementX * Math.cos(thetaRadians); yLabel = ya - displacementX * Math.sin(thetaRadians); } AffineTransform old = g2d.getTransform(); AffineTransform labelTransform = new AffineTransform(); // Debug code: //g2d.drawLine((int)(x1+dx/2), (int)(y1+dy/2), (int)(xa), (int)(ya));g2d.drawLine((int)(xa), (int)(ya), (int)(xLabel), (int)(yLabel)); labelTransform.translate(xLabel, yLabel); labelTransform.rotate(rotation); g2d.setTransform(labelTransform); rendererPane.paintComponent(g2d, labelComponent, screenDevice, 0, 0, d.width, d.height, true); g2d.setTransform(old); // restore old paint g2d.setPaint(oldPaint); } // if edgeHit == true } }; r = labelEdges(g, r, graphLayoutOptions); r = labelVertices(r, g, graphLayoutOptions); r.setVertexIncludePredicate(new Predicate() { @Override public boolean evaluate(Object object) { if (!graphLayoutOptions.showIgnored && graphLayoutOptions.ignoredStates != null && graphLayoutOptions.ignoredStates.contains(object.toString())) return false; if (graphLayoutOptions.showNegatives) return true; else return DeterministicDirectedSparseGraph.isAccept((Vertex) object); } }); return r; }