Examples with XYCrosshairState org.jfree.chart.plot.XYCrosshairState used on opensource projects

Example 1 with XYCrosshairState

use of org.jfree.chart.plot.XYCrosshairState in project graphcode2vec by graphcode2vec.

the class XYAreaRenderer2 method drawItem.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @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 pass  the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, boolean selected, int pass) {
    if (!getItemVisible(series, item)) {
        return;
    }
    // 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)...
    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());
    int itemCount = dataset.getItemCount(series);
    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);
    }
    PlotOrientation orientation = plot.getOrientation();
    Paint paint = getItemPaint(series, item, selected);
    Stroke stroke = getItemStroke(series, item, selected);
    g2.setPaint(paint);
    g2.setStroke(stroke);
    // 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.
    g2.fill(hotspot);
    // draw an outline around the Area.
    if (isOutline()) {
        g2.setStroke(lookupSeriesOutlineStroke(series));
        g2.setPaint(lookupSeriesOutlinePaint(series));
        g2.draw(hotspot);
    }
    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    XYCrosshairState crosshairState = state.getCrosshairState();
    updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addEntity(entities, hotspot, dataset, series, item, selected, 0.0, 0.0);
    }
}

Example 2 with XYCrosshairState

use of org.jfree.chart.plot.XYCrosshairState in project graphcode2vec by graphcode2vec.

the class StackedXYAreaRenderer method drawItem.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @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 pass  the pass index.
 *
 * @throws ClassCastException if <code>state</code> is not an instance of
 *         <code>StackedXYAreaRendererState</code> or <code>dataset</code>
 *         is not an instance of {@link TableXYDataset}.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, boolean selected, int pass) {
    PlotOrientation orientation = plot.getOrientation();
    StackedXYAreaRendererState areaState = (StackedXYAreaRendererState) state;
    // Get the item count for the series, so that we can know which is the
    // end of the series.
    TableXYDataset tdataset = (TableXYDataset) dataset;
    int itemCount = tdataset.getItemCount();
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    boolean nullPoint = false;
    if (Double.isNaN(y1)) {
        y1 = 0.0;
        nullPoint = true;
    }
    // Get height adjustment based on stack and translate to Java2D values
    double ph1 = getPreviousHeight(tdataset, series, item);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, plot.getDomainAxisEdge());
    double transY1 = rangeAxis.valueToJava2D(y1 + ph1, dataArea, plot.getRangeAxisEdge());
    Paint seriesPaint = getItemPaint(series, item, selected);
    Stroke seriesStroke = getItemStroke(series, item, selected);
    if (pass == 0) {
        if (item == 0) {
            // Create a new Area for the series
            areaState.setSeriesArea(new Polygon());
            areaState.setLastSeriesPoints(areaState.getCurrentSeriesPoints());
            areaState.setCurrentSeriesPoints(new Stack());
            // start from previous height (ph1)
            double transY2 = rangeAxis.valueToJava2D(ph1, dataArea, plot.getRangeAxisEdge());
            // The first point is (x, 0)
            if (orientation == PlotOrientation.VERTICAL) {
                areaState.getSeriesArea().addPoint((int) transX1, (int) transY2);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                areaState.getSeriesArea().addPoint((int) transY2, (int) transX1);
            }
        }
        // Add each point to Area (x, y)
        if (orientation == PlotOrientation.VERTICAL) {
            Point point = new Point((int) transX1, (int) transY1);
            areaState.getSeriesArea().addPoint((int) point.getX(), (int) point.getY());
            areaState.getCurrentSeriesPoints().push(point);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            areaState.getSeriesArea().addPoint((int) transY1, (int) transX1);
        }
        if (getPlotLines()) {
            if (item > 0) {
                // get the previous data point...
                double x0 = dataset.getXValue(series, item - 1);
                double y0 = dataset.getYValue(series, item - 1);
                double ph0 = getPreviousHeight(tdataset, series, item - 1);
                double transX0 = domainAxis.valueToJava2D(x0, dataArea, plot.getDomainAxisEdge());
                double transY0 = rangeAxis.valueToJava2D(y0 + ph0, dataArea, plot.getRangeAxisEdge());
                if (orientation == PlotOrientation.VERTICAL) {
                    areaState.getLine().setLine(transX0, transY0, transX1, transY1);
                } else if (orientation == PlotOrientation.HORIZONTAL) {
                    areaState.getLine().setLine(transY0, transX0, transY1, transX1);
                }
                g2.draw(areaState.getLine());
            }
        }
        // items > 0.  We can't draw an area for a single point.
        if (getPlotArea() && item > 0 && item == (itemCount - 1)) {
            double transY2 = rangeAxis.valueToJava2D(ph1, dataArea, plot.getRangeAxisEdge());
            if (orientation == PlotOrientation.VERTICAL) {
                // Add the last point (x,0)
                areaState.getSeriesArea().addPoint((int) transX1, (int) transY2);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                // Add the last point (x,0)
                areaState.getSeriesArea().addPoint((int) transY2, (int) transX1);
            }
            // polygon
            if (series != 0) {
                Stack points = areaState.getLastSeriesPoints();
                while (!points.empty()) {
                    Point point = (Point) points.pop();
                    areaState.getSeriesArea().addPoint((int) point.getX(), (int) point.getY());
                }
            }
            // Fill the polygon
            g2.setPaint(seriesPaint);
            g2.setStroke(seriesStroke);
            g2.fill(areaState.getSeriesArea());
            // Draw an outline around the Area.
            if (isOutline()) {
                g2.setStroke(lookupSeriesOutlineStroke(series));
                g2.setPaint(lookupSeriesOutlinePaint(series));
                g2.draw(areaState.getSeriesArea());
            }
        }
        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        XYCrosshairState crosshairState = state.getCrosshairState();
        updateCrosshairValues(crosshairState, x1, ph1 + y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
    } else if (pass == 1) {
        // On second pass render shapes and collect entity and tooltip
        // information
        Shape shape = null;
        if (getPlotShapes()) {
            shape = getItemShape(series, item, selected);
            if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
            } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
                shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
            }
            if (!nullPoint) {
                if (getShapePaint() != null) {
                    g2.setPaint(getShapePaint());
                } else {
                    g2.setPaint(seriesPaint);
                }
                if (getShapeStroke() != null) {
                    g2.setStroke(getShapeStroke());
                } else {
                    g2.setStroke(seriesStroke);
                }
                g2.draw(shape);
            }
        } else {
            if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                shape = new Rectangle2D.Double(transX1 - 3, transY1 - 3, 6.0, 6.0);
            } else if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
                shape = new Rectangle2D.Double(transY1 - 3, transX1 - 3, 6.0, 6.0);
            }
        }
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addEntity(entities, shape, dataset, series, item, selected, 0.0, 0.0);
        }
    }
}

Example 3 with XYCrosshairState

use of org.jfree.chart.plot.XYCrosshairState in project graphcode2vec by graphcode2vec.

the class StandardXYItemRenderer method drawItem.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @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 pass  the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, boolean selected, int pass) {
    boolean itemVisible = getItemVisible(series, item);
    // setup for collecting optional entity info...
    Shape entityArea = null;
    EntityCollection entities = null;
    if (state.getInfo() != null) {
        entities = state.getInfo().getOwner().getEntityCollection();
    }
    PlotOrientation orientation = plot.getOrientation();
    Paint paint = getItemPaint(series, item, selected);
    Stroke seriesStroke = getItemStroke(series, item, selected);
    g2.setPaint(paint);
    g2.setStroke(seriesStroke);
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(x1) || Double.isNaN(y1)) {
        itemVisible = false;
    }
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
    if (getPlotLines()) {
        if (this.drawSeriesLineAsPath) {
            State s = (State) state;
            if (s.getSeriesIndex() != series) {
                // we are starting a new series path
                s.seriesPath.reset();
                s.lastPointGood = false;
                s.setSeriesIndex(series);
            }
            // update path to reflect latest point
            if (itemVisible && !Double.isNaN(transX1) && !Double.isNaN(transY1)) {
                float x = (float) transX1;
                float y = (float) transY1;
                if (orientation == PlotOrientation.HORIZONTAL) {
                    x = (float) transY1;
                    y = (float) transX1;
                }
                if (s.isLastPointGood()) {
                    // TODO: check threshold
                    s.seriesPath.lineTo(x, y);
                } else {
                    s.seriesPath.moveTo(x, y);
                }
                s.setLastPointGood(true);
            } else {
                s.setLastPointGood(false);
            }
            if (item == dataset.getItemCount(series) - 1) {
                if (s.seriesIndex == series) {
                    // draw path
                    g2.setStroke(lookupSeriesStroke(series));
                    g2.setPaint(lookupSeriesPaint(series));
                    g2.draw(s.seriesPath);
                }
            }
        } else if (item != 0 && itemVisible) {
            // get the previous data point...
            double x0 = dataset.getXValue(series, item - 1);
            double y0 = dataset.getYValue(series, item - 1);
            if (!Double.isNaN(x0) && !Double.isNaN(y0)) {
                boolean drawLine = true;
                if (getPlotDiscontinuous()) {
                    // only draw a line if the gap between the current and
                    // previous data point is within the threshold
                    int numX = dataset.getItemCount(series);
                    double minX = dataset.getXValue(series, 0);
                    double maxX = dataset.getXValue(series, numX - 1);
                    if (this.gapThresholdType == UnitType.ABSOLUTE) {
                        drawLine = Math.abs(x1 - x0) <= this.gapThreshold;
                    } else {
                        drawLine = Math.abs(x1 - x0) <= ((maxX - minX) / numX * getGapThreshold());
                    }
                }
                if (drawLine) {
                    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
                    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
                    // only draw if we have good values
                    if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) {
                        return;
                    }
                    if (orientation == PlotOrientation.HORIZONTAL) {
                        state.workingLine.setLine(transY0, transX0, transY1, transX1);
                    } else if (orientation == PlotOrientation.VERTICAL) {
                        state.workingLine.setLine(transX0, transY0, transX1, transY1);
                    }
                    if (state.workingLine.intersects(dataArea)) {
                        g2.draw(state.workingLine);
                    }
                }
            }
        }
    }
    // to do for non-visible items...
    if (!itemVisible) {
        return;
    }
    if (getBaseShapesVisible()) {
        Shape shape = getItemShape(series, item, selected);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
        }
        if (shape.intersects(dataArea)) {
            if (getItemShapeFilled(series, item)) {
                g2.fill(shape);
            } else {
                g2.draw(shape);
            }
        }
        entityArea = shape;
    }
    if (getPlotImages()) {
        Image image = getImage(plot, series, item, transX1, transY1);
        if (image != null) {
            Point hotspot = getImageHotspot(plot, series, item, transX1, transY1, image);
            g2.drawImage(image, (int) (transX1 - hotspot.getX()), (int) (transY1 - hotspot.getY()), null);
            entityArea = new Rectangle2D.Double(transX1 - hotspot.getX(), transY1 - hotspot.getY(), image.getWidth(null), image.getHeight(null));
        }
    }
    double xx = transX1;
    double yy = transY1;
    if (orientation == PlotOrientation.HORIZONTAL) {
        xx = transY1;
        yy = transX1;
    }
    // draw the item label if there is one...
    if (isItemLabelVisible(series, item, selected)) {
        drawItemLabel(g2, orientation, dataset, series, item, selected, xx, yy, (y1 < 0.0));
    }
    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    XYCrosshairState crosshairState = state.getCrosshairState();
    updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
    // add an entity for the item...
    if (entities != null && ShapeUtilities.isPointInRect(xx, yy, dataArea)) {
        addEntity(entities, entityArea, dataset, series, item, selected, xx, yy);
    }
}

Example 4 with XYCrosshairState

use of org.jfree.chart.plot.XYCrosshairState in project graphcode2vec by graphcode2vec.

the class XYStepAreaRenderer method drawItem.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @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 pass  the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, boolean selected, int pass) {
    PlotOrientation orientation = plot.getOrientation();
    // Get the item count for the series, so that we can know which is the
    // end of the series.
    int itemCount = dataset.getItemCount(series);
    Paint paint = getItemPaint(series, item, selected);
    Stroke seriesStroke = getItemStroke(series, item, selected);
    g2.setPaint(paint);
    g2.setStroke(seriesStroke);
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    double x = x1;
    double y = Double.isNaN(y1) ? getRangeBase() : y1;
    double transX1 = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
    double transY1 = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
    // avoid possible sun.dc.pr.PRException: endPath: bad path
    transY1 = restrictValueToDataArea(transY1, plot, dataArea);
    if (this.pArea == null && !Double.isNaN(y1)) {
        // Create a new Area for the series
        this.pArea = new Polygon();
        // start from Y = rangeBase
        double transY2 = rangeAxis.valueToJava2D(getRangeBase(), dataArea, plot.getRangeAxisEdge());
        // avoid possible sun.dc.pr.PRException: endPath: bad path
        transY2 = restrictValueToDataArea(transY2, plot, dataArea);
        // The first point is (x, this.baseYValue)
        if (orientation == PlotOrientation.VERTICAL) {
            this.pArea.addPoint((int) transX1, (int) transY2);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            this.pArea.addPoint((int) transY2, (int) transX1);
        }
    }
    double transX0 = 0;
    double transY0 = restrictValueToDataArea(getRangeBase(), plot, dataArea);
    double x0;
    double y0;
    if (item > 0) {
        // get the previous data point...
        x0 = dataset.getXValue(series, item - 1);
        y0 = Double.isNaN(y1) ? y1 : dataset.getYValue(series, item - 1);
        x = x0;
        y = Double.isNaN(y0) ? getRangeBase() : y0;
        transX0 = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
        transY0 = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
        // avoid possible sun.dc.pr.PRException: endPath: bad path
        transY0 = restrictValueToDataArea(transY0, plot, dataArea);
        if (Double.isNaN(y1)) {
            // NULL value -> insert point on base line
            // instead of 'step point'
            transX1 = transX0;
            transY0 = transY1;
        }
        if (transY0 != transY1) {
            // not just a horizontal bar but need to perform a 'step'.
            if (orientation == PlotOrientation.VERTICAL) {
                this.pArea.addPoint((int) transX1, (int) transY0);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                this.pArea.addPoint((int) transY0, (int) transX1);
            }
        }
    }
    Shape shape = null;
    if (!Double.isNaN(y1)) {
        // Add each point to Area (x, y)
        if (orientation == PlotOrientation.VERTICAL) {
            this.pArea.addPoint((int) transX1, (int) transY1);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            this.pArea.addPoint((int) transY1, (int) transX1);
        }
        if (getShapesVisible()) {
            shape = getItemShape(series, item, selected);
            if (orientation == PlotOrientation.VERTICAL) {
                shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
            }
            if (isShapesFilled()) {
                g2.fill(shape);
            } else {
                g2.draw(shape);
            }
        } else {
            if (orientation == PlotOrientation.VERTICAL) {
                shape = new Rectangle2D.Double(transX1 - 2, transY1 - 2, 4.0, 4.0);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                shape = new Rectangle2D.Double(transY1 - 2, transX1 - 2, 4.0, 4.0);
            }
        }
    }
    // a single point.
    if (getPlotArea() && item > 0 && this.pArea != null && (item == (itemCount - 1) || Double.isNaN(y1))) {
        double transY2 = rangeAxis.valueToJava2D(getRangeBase(), dataArea, plot.getRangeAxisEdge());
        // avoid possible sun.dc.pr.PRException: endPath: bad path
        transY2 = restrictValueToDataArea(transY2, plot, dataArea);
        if (orientation == PlotOrientation.VERTICAL) {
            // Add the last point (x,0)
            this.pArea.addPoint((int) transX1, (int) transY2);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            // Add the last point (x,0)
            this.pArea.addPoint((int) transY2, (int) transX1);
        }
        // fill the polygon
        g2.fill(this.pArea);
        // draw an outline around the Area.
        if (isOutline()) {
            g2.setStroke(plot.getOutlineStroke());
            g2.setPaint(plot.getOutlinePaint());
            g2.draw(this.pArea);
        }
        // start new area when needed (see above)
        this.pArea = null;
    }
    // do we need to update the crosshair values?
    if (!Double.isNaN(y1)) {
        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        XYCrosshairState crosshairState = state.getCrosshairState();
        updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
    }
    // collect entity and tool tip information...
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addEntity(entities, shape, dataset, series, item, selected, transX1, transY1);
    }
}

Example 5 with XYCrosshairState

use of org.jfree.chart.plot.XYCrosshairState in project graphcode2vec by graphcode2vec.

the class XYStepRenderer method drawItem.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the vertical axis.
 * @param dataset  the dataset.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, boolean selected, int pass) {
    // do nothing if item is not visible
    if (!getItemVisible(series, item)) {
        return;
    }
    PlotOrientation orientation = plot.getOrientation();
    Paint seriesPaint = getItemPaint(series, item, selected);
    Stroke seriesStroke = getItemStroke(series, item, selected);
    g2.setPaint(seriesPaint);
    g2.setStroke(seriesStroke);
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = (Double.isNaN(y1) ? Double.NaN : rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation));
    if (pass == 0 && item > 0) {
        // get the previous data point...
        double x0 = dataset.getXValue(series, item - 1);
        double y0 = dataset.getYValue(series, item - 1);
        double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
        double transY0 = (Double.isNaN(y0) ? Double.NaN : rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation));
        if (orientation == PlotOrientation.HORIZONTAL) {
            if (transY0 == transY1) {
                // this represents the situation
                // for drawing a horizontal bar.
                drawLine(g2, state.workingLine, transY0, transX0, transY1, transX1);
            } else {
                // this handles the need to perform a 'step'.
                // calculate the step point
                double transXs = transX0 + (getStepPoint() * (transX1 - transX0));
                drawLine(g2, state.workingLine, transY0, transX0, transY0, transXs);
                drawLine(g2, state.workingLine, transY0, transXs, transY1, transXs);
                drawLine(g2, state.workingLine, transY1, transXs, transY1, transX1);
            }
        } else if (orientation == PlotOrientation.VERTICAL) {
            if (transY0 == transY1) {
                // this represents the situation
                // for drawing a horizontal bar.
                drawLine(g2, state.workingLine, transX0, transY0, transX1, transY1);
            } else {
                // this handles the need to perform a 'step'.
                // calculate the step point
                double transXs = transX0 + (getStepPoint() * (transX1 - transX0));
                drawLine(g2, state.workingLine, transX0, transY0, transXs, transY0);
                drawLine(g2, state.workingLine, transXs, transY0, transXs, transY1);
                drawLine(g2, state.workingLine, transXs, transY1, transX1, transY1);
            }
        }
        // submit this data item as a candidate for the crosshair point
        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        XYCrosshairState crosshairState = state.getCrosshairState();
        updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
        // collect entity and tool tip information...
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addEntity(entities, null, dataset, series, item, selected, transX1, transY1);
        }
    }
    if (pass == 1) {
        // draw the item label if there is one...
        if (isItemLabelVisible(series, item, selected)) {
            double xx = transX1;
            double yy = transY1;
            if (orientation == PlotOrientation.HORIZONTAL) {
                xx = transY1;
                yy = transX1;
            }
            drawItemLabel(g2, orientation, dataset, series, item, selected, xx, yy, (y1 < 0.0));
        }
    }
}