List of usage examples for org.jfree.ui GradientPaintTransformer transform
public GradientPaint transform(GradientPaint paint, Shape target);
GradientPaint instance to fit some target shape. From source file:edu.jhuapl.graphs.jfreechart.CategoryGraphBarPainter.java
@Override public void paintBar(Graphics2D g2, BarRenderer renderer, int row, int column, RectangularShape bar, RectangleEdge base) {// ww w .j a v a 2 s . com Paint itemPaint = itemProperty.get(row, column, Paint.class, renderer.getItemPaint(row, column), GraphSource.ITEM_COLOR); GradientPaintTransformer t = renderer.getGradientPaintTransformer(); if (t != null && itemPaint instanceof GradientPaint) { itemPaint = t.transform((GradientPaint) itemPaint, bar); } g2.setPaint(itemPaint); g2.fill(bar); // draw the outline if (renderer.isDrawBarOutline()) { Stroke stroke = renderer.getItemOutlineStroke(row, column); Paint paint = renderer.getItemOutlinePaint(row, column); if (stroke != null && paint != null) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(bar); } } }
From source file:org.schreibubi.JCombinations.jfreechart.XYLineAndShapeRendererExtended.java
/** * Draws a horizontal line across the chart to represent a 'range marker'. * // w ww . j ava 2 s.com * @param g2 * the graphics device. * @param plot * the plot. * @param rangeAxis * the range axis. * @param marker * the marker line. * @param dataArea * the axis data area. */ @Override public void drawRangeMarker(Graphics2D g2, XYPlot plot, ValueAxis rangeAxis, Marker marker, Rectangle2D dataArea) { if (marker instanceof ValueMarker) super.drawRangeMarker(g2, plot, rangeAxis, marker, dataArea); else if (marker instanceof IntervalMarker) super.drawRangeMarker(g2, plot, rangeAxis, marker, dataArea); else if (marker instanceof ArbitraryMarker) { ArbitraryMarker im = (ArbitraryMarker) marker; ArrayList<Double> xvals = im.getDomainVal(); ArrayList<Double> lows = im.getRangeLowValues(); ArrayList<Double> highs = im.getRangeHighValues(); sort(xvals, lows, highs); Range range = rangeAxis.getRange(); ValueAxis domainAxis = plot.getDomainAxis(); Range domain = domainAxis.getRange(); int length = xvals.size(); int[] xpoly = new int[length * 2]; int[] ypoly = new int[length * 2]; for (int i = 0; i < xvals.size(); i++) { double x = domain.constrain(xvals.get(i)); double low = range.constrain(lows.get(i)); double high = range.constrain(highs.get(i)); int low2d = (int) Math.round(rangeAxis.valueToJava2D(low, dataArea, plot.getRangeAxisEdge())); int high2d = (int) Math.round(rangeAxis.valueToJava2D(high, dataArea, plot.getRangeAxisEdge())); int x2d = (int) Math.round(domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge())); xpoly[i] = x2d; xpoly[2 * length - 1 - i] = x2d; ypoly[i] = low2d; ypoly[2 * length - 1 - i] = high2d; } PlotOrientation orientation = plot.getOrientation(); Polygon poly = null; if (orientation == PlotOrientation.HORIZONTAL) poly = new Polygon(ypoly, xpoly, length * 2); else if (orientation == PlotOrientation.VERTICAL) poly = new Polygon(xpoly, ypoly, length * 2); Paint p = im.getPaint(); if (p instanceof GradientPaint) { GradientPaint gp = (GradientPaint) p; GradientPaintTransformer t = im.getGradientPaintTransformer(); if (t != null) gp = t.transform(gp, poly); g2.setPaint(gp); } else g2.setPaint(p); g2.fill(poly); /* * String label = marker.getLabel(); RectangleAnchor anchor = marker.getLabelAnchor(); if ( label != null ) { * Font labelFont = marker.getLabelFont(); g2.setFont( labelFont ); g2.setPaint( marker.getLabelPaint() ); * Point2D coordinates = calculateRangeMarkerTextAnchorPoint( g2, orientation, dataArea, poly, * marker.getLabelOffset(), marker.getLabelOffsetType(), anchor ); TextUtilities.drawAlignedString( label, * g2, ( float ) coordinates.getX(), ( float ) coordinates.getY(), marker.getLabelTextAnchor() ); } */ } }
From source file:de.hdm.uls.loadtests.ui.XYLineAndAreaRenderer.java
/** * Draws the visual representation of a single data item. * * @param g2 the graphics device./*from ww w.j a va 2 s . com*/ * @param state the renderer state. * @param dataArea the area within which the data is being drawn. * @param info collects information about the drawing. * @param plot the plot (can be used to obtain standard color information * etc). * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param series the series index (zero-based). * @param item the item index (zero-based). * @param crosshairState crosshair information for the plot * (<code>null</code> permitted). * @param pass the pass index. */ public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) { if (!getItemVisible(series, item)) { return; } XYAreaRendererState areaState = (XYAreaRendererState) state; // get the data point... double x1 = dataset.getXValue(series, item); double y1 = dataset.getYValue(series, item); if (Double.isNaN(y1)) { y1 = 0.0; } double transX1 = domainAxis.valueToJava2D(x1, dataArea, plot.getDomainAxisEdge()); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, plot.getRangeAxisEdge()); // get the previous point and the next point so we can calculate a // "hot spot" for the area (used by the chart entity)... int itemCount = dataset.getItemCount(series); double x0 = dataset.getXValue(series, Math.max(item - 1, 0)); double y0 = dataset.getYValue(series, Math.max(item - 1, 0)); if (Double.isNaN(y0)) { y0 = 0.0; } double transX0 = domainAxis.valueToJava2D(x0, dataArea, plot.getDomainAxisEdge()); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, plot.getRangeAxisEdge()); double x2 = dataset.getXValue(series, Math.min(item + 1, itemCount - 1)); double y2 = dataset.getYValue(series, Math.min(item + 1, itemCount - 1)); if (Double.isNaN(y2)) { y2 = 0.0; } double transX2 = domainAxis.valueToJava2D(x2, dataArea, plot.getDomainAxisEdge()); double transY2 = rangeAxis.valueToJava2D(y2, dataArea, plot.getRangeAxisEdge()); double transZero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge()); Polygon hotspot = null; if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { hotspot = new Polygon(); hotspot.addPoint((int) transZero, (int) ((transX0 + transX1) / 2.0)); hotspot.addPoint((int) ((transY0 + transY1) / 2.0), (int) ((transX0 + transX1) / 2.0)); hotspot.addPoint((int) transY1, (int) transX1); hotspot.addPoint((int) ((transY1 + transY2) / 2.0), (int) ((transX1 + transX2) / 2.0)); hotspot.addPoint((int) transZero, (int) ((transX1 + transX2) / 2.0)); } else { // vertical orientation hotspot = new Polygon(); hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) transZero); hotspot.addPoint((int) ((transX0 + transX1) / 2.0), (int) ((transY0 + transY1) / 2.0)); hotspot.addPoint((int) transX1, (int) transY1); hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) ((transY1 + transY2) / 2.0)); hotspot.addPoint((int) ((transX1 + transX2) / 2.0), (int) transZero); } if (item == 0) { // create a new area polygon for the series areaState.area = new Polygon(); // the first point is (x, 0) double zero = rangeAxis.valueToJava2D(0.0, dataArea, plot.getRangeAxisEdge()); if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.area.addPoint((int) transX1, (int) zero); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.area.addPoint((int) zero, (int) transX1); } } // Add each point to Area (x, y) if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.area.addPoint((int) transX1, (int) transY1); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.area.addPoint((int) transY1, (int) transX1); } PlotOrientation orientation = plot.getOrientation(); Paint paint = getItemPaint(series, item); Stroke stroke = getItemStroke(series, item); g2.setPaint(paint); g2.setStroke(stroke); Shape shape = null; if (getPlotShapes()) { shape = getItemShape(series, item); if (orientation == PlotOrientation.VERTICAL) { shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1); } else if (orientation == PlotOrientation.HORIZONTAL) { shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1); } g2.draw(shape); } if (getPlotLines()) { if (item > 0) { if (plot.getOrientation() == PlotOrientation.VERTICAL) { areaState.line.setLine(transX0, transY0, transX1, transY1); } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) { areaState.line.setLine(transY0, transX0, transY1, transX1); } g2.draw(areaState.line); } } // Check if the item is the last item for the series. // and number of items > 0. We can't draw an area for a single point. if (getPlotArea() && item > 0 && item == (itemCount - 1)) { if (orientation == PlotOrientation.VERTICAL) { // Add the last point (x,0) areaState.area.addPoint((int) transX1, (int) transZero); } else if (orientation == PlotOrientation.HORIZONTAL) { // Add the last point (x,0) areaState.area.addPoint((int) transZero, (int) transX1); } Paint fillPaint = getItemFillPaint(series, item); if (fillPaint instanceof GradientPaint) { GradientPaint gp = (GradientPaint) fillPaint; GradientPaintTransformer t = new StandardGradientPaintTransformer(); fillPaint = t.transform(gp, areaState.area.getBounds()); } g2.setPaint(fillPaint); g2.fill(areaState.area); // draw an outline around the Area. if (isOutline()) { g2.setStroke(getItemOutlineStroke(series, item)); g2.setPaint(getItemOutlinePaint(series, item)); g2.draw(areaState.area); } } updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, orientation); // collect entity and tool tip information... if (state.getInfo() != null) { EntityCollection entities = state.getEntityCollection(); if (entities != null && hotspot != null) { String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) { tip = generator.generateToolTip(dataset, series, item); } String url = null; if (getURLGenerator() != null) { url = getURLGenerator().generateURL(dataset, series, item); } XYItemEntity entity = new XYItemEntity(hotspot, dataset, series, item, tip, url); entities.add(entity); } } }
From source file:extern.AsymmetricStatisticalBarRenderer.java
/** * Draws an item for a plot with a horizontal orientation. * * @param g2 the graphics device./*from w w w . j a va2s .co m*/ * @param state the renderer state. * @param dataArea the data area. * @param plot the plot. * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the data. * @param visibleRow the visible row index. * @param row the row index (zero-based). * @param column the column index (zero-based). */ protected void drawHorizontalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, AsymmetricStatisticalCategoryDataset dataset, int visibleRow, int row, int column) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); // BAR Y double rectY = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, xAxisLocation); int seriesCount = state.getVisibleSeriesCount() >= 0 ? state.getVisibleSeriesCount() : getRowCount(); int categoryCount = getColumnCount(); if (seriesCount > 1) { double seriesGap = dataArea.getHeight() * getItemMargin() / (categoryCount * (seriesCount - 1)); rectY = rectY + visibleRow * (state.getBarWidth() + seriesGap); } else { rectY = rectY + visibleRow * state.getBarWidth(); } // BAR X Number meanValue = dataset.getMeanValue(row, column); if (meanValue == null) { return; } double value = meanValue.doubleValue(); double base = 0.0; double lclip = getLowerClip(); double uclip = getUpperClip(); if (uclip <= 0.0) { // cases 1, 2, 3 and 4 if (value >= uclip) { return; // bar is not visible } base = uclip; if (value <= lclip) { value = lclip; } } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8 if (value >= uclip) { value = uclip; } else { if (value <= lclip) { value = lclip; } } } else { // cases 9, 10, 11 and 12 if (value <= lclip) { return; // bar is not visible } base = getLowerClip(); if (value >= uclip) { value = uclip; } } RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation); double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation); double rectX = Math.min(transY2, transY1); double rectHeight = state.getBarWidth(); double rectWidth = Math.abs(transY2 - transY1); Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight); Paint itemPaint = getItemPaint(row, column); GradientPaintTransformer t = getGradientPaintTransformer(); if (t != null && itemPaint instanceof GradientPaint) { itemPaint = t.transform((GradientPaint) itemPaint, bar); } g2.setPaint(itemPaint); g2.fill(bar); // draw the outline... if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) { Stroke stroke = getItemOutlineStroke(row, column); Paint paint = getItemOutlinePaint(row, column); if (stroke != null && paint != null) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(bar); } } // CI lines Number n = dataset.getUpperValue(row, column); Number m = dataset.getLowerValue(row, column); if (n != null && m != null) { double valueUpperDelta = n.doubleValue(); double valueLowerDelta = m.doubleValue(); double highVal = rangeAxis.valueToJava2D(valueUpperDelta, dataArea, yAxisLocation); double lowVal = rangeAxis.valueToJava2D(valueLowerDelta, dataArea, yAxisLocation); if (this.errorIndicatorPaint != null) { g2.setPaint(this.errorIndicatorPaint); } else { g2.setPaint(getItemOutlinePaint(row, column)); } if (this.errorIndicatorStroke != null) { g2.setStroke(this.errorIndicatorStroke); } else { g2.setStroke(getItemOutlineStroke(row, column)); } Line2D line = null; line = new Line2D.Double(lowVal, rectY + rectHeight / 2.0d, highVal, rectY + rectHeight / 2.0d); g2.draw(line); line = new Line2D.Double(highVal, rectY + rectHeight * 0.25, highVal, rectY + rectHeight * 0.75); g2.draw(line); line = new Line2D.Double(lowVal, rectY + rectHeight * 0.25, lowVal, rectY + rectHeight * 0.75); g2.draw(line); } CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column); if (generator != null && isItemLabelVisible(row, column)) { drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0)); } // add an item entity, if this information is being collected EntityCollection entities = state.getEntityCollection(); if (entities != null) { addItemEntity(entities, dataset, row, column, bar); } }
From source file:extern.AsymmetricStatisticalBarRenderer.java
/** * Draws an item for a plot with a vertical orientation. * * @param g2 the graphics device.// w w w. j a va 2 s .c om * @param state the renderer state. * @param dataArea the data area. * @param plot the plot. * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the data. * @param visibleRow the visible row index. * @param row the row index (zero-based). * @param column the column index (zero-based). */ protected void drawVerticalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, AsymmetricStatisticalCategoryDataset dataset, int visibleRow, int row, int column) { RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); // BAR X double rectX = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, xAxisLocation); int seriesCount = state.getVisibleSeriesCount() >= 0 ? state.getVisibleSeriesCount() : getRowCount(); int categoryCount = getColumnCount(); if (seriesCount > 1) { double seriesGap = dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1)); rectX = rectX + visibleRow * (state.getBarWidth() + seriesGap); } else { rectX = rectX + visibleRow * state.getBarWidth(); } // BAR Y Number meanValue = dataset.getMeanValue(row, column); if (meanValue == null) { return; } double value = meanValue.doubleValue(); double base = 0.0; double lclip = getLowerClip(); double uclip = getUpperClip(); if (uclip <= 0.0) { // cases 1, 2, 3 and 4 if (value >= uclip) { return; // bar is not visible } base = uclip; if (value <= lclip) { value = lclip; } } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8 if (value >= uclip) { value = uclip; } else { if (value <= lclip) { value = lclip; } } } else { // cases 9, 10, 11 and 12 if (value <= lclip) { return; // bar is not visible } base = getLowerClip(); if (value >= uclip) { value = uclip; } } RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation); double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation); double rectY = Math.min(transY2, transY1); double rectWidth = state.getBarWidth(); double rectHeight = Math.abs(transY2 - transY1); Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight); Paint itemPaint = getItemPaint(row, column); GradientPaintTransformer t = getGradientPaintTransformer(); if (t != null && itemPaint instanceof GradientPaint) { itemPaint = t.transform((GradientPaint) itemPaint, bar); } g2.setPaint(itemPaint); g2.fill(bar); // draw the outline... if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) { Stroke stroke = getItemOutlineStroke(row, column); Paint paint = getItemOutlinePaint(row, column); if (stroke != null && paint != null) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(bar); } } // CI lines Number n = dataset.getUpperValue(row, column); Number m = dataset.getLowerValue(row, column); if (n != null && m != null) { double valueUpperDelta = n.doubleValue(); double valueLowerDelta = m.doubleValue(); if (valueLowerDelta > meanValue.doubleValue()) { double temp = valueLowerDelta - meanValue.doubleValue(); valueLowerDelta = meanValue.doubleValue() - temp; } if (valueUpperDelta < meanValue.doubleValue()) { double temp = meanValue.doubleValue() - valueUpperDelta; valueUpperDelta = temp; } double highVal = rangeAxis.valueToJava2D(valueUpperDelta, dataArea, yAxisLocation); double lowVal = rangeAxis.valueToJava2D(valueLowerDelta, dataArea, yAxisLocation); if (this.errorIndicatorPaint != null) { g2.setPaint(this.errorIndicatorPaint); } else { g2.setPaint(getItemOutlinePaint(row, column)); } if (this.errorIndicatorStroke != null) { g2.setStroke(this.errorIndicatorStroke); } else { g2.setStroke(getItemOutlineStroke(row, column)); } Line2D line = null; line = new Line2D.Double(rectX + rectWidth / 2.0d, lowVal, rectX + rectWidth / 2.0d, highVal); g2.draw(line); line = new Line2D.Double(rectX + rectWidth / 2.0d - 5.0d, highVal, rectX + rectWidth / 2.0d + 5.0d, highVal); g2.draw(line); line = new Line2D.Double(rectX + rectWidth / 2.0d - 5.0d, lowVal, rectX + rectWidth / 2.0d + 5.0d, lowVal); g2.draw(line); } CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column); if (generator != null && isItemLabelVisible(row, column)) { drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0)); } // add an item entity, if this information is being collected EntityCollection entities = state.getEntityCollection(); if (entities != null) { addItemEntity(entities, dataset, row, column, bar); } }
From source file:org.objectweb.proactive.extensions.timitspmd.util.charts.renderer.HierarchicalBarRenderer.java
/** * Draws the bar for one item in the dataset. * * @param g2/*from ww w. j a va 2s .c o m*/ * the graphics device. * @param state * the renderer state. * @param dataArea * the plot area. * @param plot * the plot. * @param domainAxis * the domain (category) axis. * @param rangeAxis * the range (value) axis. * @param data * the data. * @param row * the row index (zero-based). * @param column * the column index (zero-based). * @param pass * the pass index. */ @Override public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset data, int row, int column, int pass) { // nothing is drawn for null values... Number dataValue = data.getValue(row, column); if (dataValue == null) { return; } // BAR X double rectX = domainAxis.getCategoryMiddle(column, this.getColumnCount(), dataArea, plot.getDomainAxisEdge()) - (state.getBarWidth() / 2.0); int seriesCount = this.getRowCount(); // BAR Y double value = dataValue.doubleValue(); double base = 0.0; double lclip = this.getLowerClip(); double uclip = this.getUpperClip(); if (uclip <= 0.0) { // cases 1, 2, 3 and 4 if (value >= uclip) { return; // bar is not visible } base = uclip; if (value <= lclip) { value = lclip; } } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8 if (value >= uclip) { value = uclip; } else { if (value <= lclip) { value = lclip; } } } else { // cases 9, 10, 11 and 12 if (value <= lclip) { return; // bar is not visible } base = this.getLowerClip(); if (value >= uclip) { value = uclip; } } RectangleEdge edge = plot.getRangeAxisEdge(); double transY1 = rangeAxis.valueToJava2D(base, dataArea, edge); double transY2 = rangeAxis.valueToJava2D(value, dataArea, edge); double rectY = Math.min(transY2, transY1); double rectWidth = state.getBarWidth(); double rectHeight = Math.abs(transY2 - transY1); // draw the bar... double shift = 0.0; rectWidth = 0.0; double widthFactor = 1.0; double seriesBarWidth = this.getSeriesBarWidth(row); if (!Double.isNaN(seriesBarWidth)) { widthFactor = seriesBarWidth; } rectWidth = widthFactor * state.getBarWidth(); rectX = rectX + (((1 - widthFactor) * state.getBarWidth()) / 2.0); if (seriesCount > 1) { // needs to be improved !!! shift = (rectWidth * 0.20) / (seriesCount - 1); } Rectangle2D bar = new Rectangle2D.Double((rectX + ((seriesCount - 1 - row) * shift)), rectY, (rectWidth - ((seriesCount - 1 - row) * shift * 2)), rectHeight); double rrX; double rrY; double rrW; double rrH; if (row == 0) { @SuppressWarnings("unchecked") Iterator it = this.datasetTree[column].getDescendants(); int numElement = -1; while (it.hasNext()) { try { Element elt = (Element) it.next(); numElement++; String name = elt.getAttributeValue("name"); dataValue = Double.valueOf(elt.getAttributeValue("avg")); // System.out.println("["+column+"] "+name+" \t--> // "+dataValue); // BAR X rectX = domainAxis.getCategoryMiddle(column, this.getColumnCount(), dataArea, plot.getDomainAxisEdge()) - (state.getBarWidth() / 2.0); seriesCount = this.getRowCount(); // BAR Y value = dataValue.doubleValue(); base = 0.0; lclip = this.getLowerClip(); uclip = this.getUpperClip(); if (uclip <= 0.0) { // cases 1, 2, 3 and 4 if (value >= uclip) { return; // bar is not visible } base = uclip; if (value <= lclip) { value = lclip; } } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8 if (value >= uclip) { value = uclip; } else { if (value <= lclip) { value = lclip; } } } else { // cases 9, 10, 11 and 12 if (value <= lclip) { return; // bar is not visible } base = this.getLowerClip(); if (value >= uclip) { value = uclip; } } edge = plot.getRangeAxisEdge(); transY1 = rangeAxis.valueToJava2D(base, dataArea, edge); transY2 = rangeAxis.valueToJava2D(value, dataArea, edge); rectY = Math.min(transY2, transY1); rectWidth = state.getBarWidth(); rectHeight = Math.abs(transY2 - transY1); // draw the bar... shift = 0.0; rectWidth = 0.0; widthFactor = 1.0; seriesBarWidth = this.getSeriesBarWidth(row); if (!Double.isNaN(seriesBarWidth)) { widthFactor = seriesBarWidth; } rectWidth = widthFactor * state.getBarWidth(); rectX = rectX + (((1 - widthFactor) * state.getBarWidth()) / 2.0); if (seriesCount > 1) { // needs to be improved !!! shift = (rectWidth * 0.20) / (seriesCount - 1); } rrX = (rectX + ((seriesCount - 1 - row) * shift)); rrY = rectY; rrW = (rectWidth - ((seriesCount - 1 - row) * shift * 2)); rrH = rectHeight; // IMPORTANT NOTE : // dev attribute is used to save width of the element // min attribute is used to save X position of the element // max attribute is used to save the number of child already // managed if (numElement == 0) { elt.setAttribute("dev", "" + rrW); elt.setAttribute("min", "" + rrX); elt.setAttribute("max", "0"); } else { Element parent = elt.getParentElement(); // System.out.println(" Parent // "+parent.getAttributeValue("name") // + " rrX/rrW/child -> " // + parent.getAttributeValue("min")+"/" // + parent.getAttributeValue("dev")+"/" // + parent.getAttributeValue("max") ); double pW = Double.valueOf(parent.getAttributeValue("dev")); double pX = Double.valueOf(parent.getAttributeValue("min")); int numChild = Integer.valueOf(parent.getAttributeValue("max")); rrW = pW / parent.getChildren().size(); rrX = pX + (rrW * numChild); rrX += HierarchicalBarRenderer.INCLUSION_MARGIN; rrW -= (HierarchicalBarRenderer.INCLUSION_MARGIN * 2); elt.setAttribute("dev", "" + rrW); elt.setAttribute("min", "" + rrX); parent.setAttribute("max", "" + (numChild + 1)); } RoundRectangle2D rbar = new RoundRectangle2D.Double(rrX, rrY, rrW, rrH, HierarchicalBarRenderer.CORNER, HierarchicalBarRenderer.CORNER); Rectangle2D childSumLine = null; double childSum = Double.valueOf(elt.getAttributeValue("sum")); transY1 = rangeAxis.valueToJava2D(base, dataArea, edge); transY2 = rangeAxis.valueToJava2D(childSum, dataArea, edge); rectY = Math.min(transY2, transY1); childSum = (childSum / dataValue.doubleValue()) * rrH; if ((childSum < rrH) && (childSum > 0) && ((childSum / rrH) < 0.95)) { childSumLine = new Rectangle2D.Double(rrX, rectY, rrW, 1); } Paint itemPaint = this.getItemPaintFromName(name, this.series, column); GradientPaintTransformer t = this.getGradientPaintTransformer(); if ((t != null) && itemPaint instanceof GradientPaint) { itemPaint = t.transform((GradientPaint) itemPaint, bar); } g2.setPaint(itemPaint); Color c = g2.getColor(); g2.setColor(new Color(c.getRed(), c.getGreen(), c.getBlue(), this.alpha)); g2.fill(rbar); g2.setColor(Color.DARK_GRAY); if (childSumLine != null) { g2.fill(childSumLine); } // draw the outline... if (this.isDrawBarOutline() && (state.getBarWidth() > BarRenderer.BAR_OUTLINE_WIDTH_THRESHOLD)) { Stroke stroke = this.getItemOutlineStroke(row, column); Paint paint = this.getItemOutlinePaint(row, column); if ((stroke != null) && (paint != null)) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(rbar); } } } catch (ClassCastException e) { continue; } } } // //////////////////////////// // draw the item labels if there are any... double transX1 = rangeAxis.valueToJava2D(base, dataArea, edge); double transX2 = rangeAxis.valueToJava2D(value, dataArea, edge); CategoryItemLabelGenerator generator = this.getItemLabelGenerator(row, column); if ((generator != null) && this.isItemLabelVisible(row, column)) { this.drawItemLabel(g2, data, row, column, plot, generator, bar, (transX1 > transX2)); } // collect entity and tool tip information... if (state.getInfo() != null) { EntityCollection entities = state.getEntityCollection(); if (entities != null) { String tip = null; CategoryToolTipGenerator tipster = this.getToolTipGenerator(row, column); if (tipster != null) { tip = tipster.generateToolTip(data, row, column); } String url = null; if (this.getItemURLGenerator(row, column) != null) { url = this.getItemURLGenerator(row, column).generateURL(data, row, column); } CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, data, row, data.getColumnKey(column), column); entities.add(entity); } } }
From source file:edu.dlnu.liuwenpeng.render.BarRenderer.java
/** * Draws the bar for a single (series, category) data item. * //from www .ja v a 2 s . c o m * @param g2 the graphics device. * @param state the renderer state. * @param dataArea the data area. * @param plot the plot. * @param domainAxis the domain axis. * @param rangeAxis the range axis. * @param dataset the dataset. * @param row the row index (zero-based). * @param column the column index (zero-based). * @param pass the pass index. */ public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) { // nothing is drawn for null values... Number dataValue = dataset.getValue(row, column); if (dataValue == null) { return; } double value = dataValue.doubleValue(); PlotOrientation orientation = plot.getOrientation(); double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column); double[] barL0L1 = calculateBarL0L1(value); if (barL0L1 == null) { return; // the bar is not visible } RectangleEdge edge = plot.getRangeAxisEdge(); double transL0 = rangeAxis.valueToJava2D(barL0L1[0], dataArea, edge); double transL1 = rangeAxis.valueToJava2D(barL0L1[1], dataArea, edge); // in the following code, barL0 is (in Java2D coordinates) the LEFT // end of the bar for a horizontal bar chart, and the TOP end of the // bar for a vertical bar chart. Whether this is the BASE of the bar // or not depends also on (a) whether the data value is 'negative' // relative to the base value and (b) whether or not the range axis is // inverted. This only matters if/when we apply the minimumBarLength // attribute, because we should extend the non-base end of the bar boolean positive = (value >= this.base); boolean inverted = rangeAxis.isInverted(); double barL0 = Math.min(transL0, transL1); double barLength = Math.abs(transL1 - transL0); double barLengthAdj = 0.0; if (barLength > 0.0 && barLength < getMinimumBarLength()) { barLengthAdj = getMinimumBarLength() - barLength; } double barL0Adj = 0.0; if (orientation == PlotOrientation.HORIZONTAL) { if (positive && inverted || !positive && !inverted) { barL0Adj = barLengthAdj; } } else { if (positive && !inverted || !positive && inverted) { barL0Adj = barLengthAdj; } } // draw the bar... Rectangle2D bar = null; if (orientation == PlotOrientation.HORIZONTAL) { bar = new Rectangle2D.Double(barL0 - barL0Adj, barW0, barLength + barLengthAdj, state.getBarWidth()); } else { bar = new Rectangle2D.Double(barW0, barL0 - barL0Adj, state.getBarWidth(), barLength + barLengthAdj); } Paint itemPaint = getItemPaint(row, column); if (dataset.getValue(row, column).doubleValue() >= 0) { itemPaint = Color.red; } else { itemPaint = Color.GREEN; } GradientPaintTransformer t = getGradientPaintTransformer(); if (t != null && itemPaint instanceof GradientPaint) { itemPaint = t.transform((GradientPaint) itemPaint, bar); } g2.setPaint(itemPaint); g2.fill(bar); // draw the outline... if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) { Stroke stroke = getItemOutlineStroke(row, column); Paint paint = getItemOutlinePaint(row, column); if (dataset.getValue(row, column).doubleValue() >= 0) { paint = Color.red; } else { paint = Color.green; } if (stroke != null && paint != null) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(bar); } } CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column); if (generator != null && isItemLabelVisible(row, column)) { drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0)); } // add an item entity, if this information is being collected EntityCollection entities = state.getEntityCollection(); if (entities != null) { addItemEntity(entities, dataset, row, column, bar); } }