Examples with RectangleEdge org.jfree.chart.util.RectangleEdge used on opensource projects

Example 86 with RectangleEdge

use of org.jfree.chart.util.RectangleEdge in project graphcode2vec by graphcode2vec.

the class XYLineAndShapeRenderer method drawPrimaryLine.

/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param selected  is the data item selected?
 * @param dataArea  the area within which the data is being drawn.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 *
 * @since 1.2.0
 */
protected void drawPrimaryLine(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, boolean selected, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }
    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
    // only draw if we have good values
    if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }
    PlotOrientation orientation = plot.getOrientation();
    boolean visible = false;
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    } else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }
    visible = LineUtilities.clipLine(state.workingLine, dataArea);
    if (visible) {
        drawShape1(g2, pass, series, item, selected, state.workingLine);
    }
}

Example 87 with RectangleEdge

use of org.jfree.chart.util.RectangleEdge in project graphcode2vec by graphcode2vec.

the class XYLineAndShapeRenderer method drawPrimaryLineAsPath.

/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items. Instead of drawing separate lines,
 * a GeneralPath is constructed and drawn at the end of
 * the series painting.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param plot  the plot (can be used to obtain standard color information
 *              etc).
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param selected  is the data item selected?
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataArea  the area within which the data is being drawn.
 *
 * @since 1.2.0
 */
protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, boolean selected, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
    State s = (State) state;
    // update path to reflect latest point
    if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
        float x = (float) transX1;
        float y = (float) transY1;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            x = (float) transY1;
            y = (float) transX1;
        }
        if (s.isLastPointGood()) {
            s.seriesPath.lineTo(x, y);
        } else {
            s.seriesPath.moveTo(x, y);
        }
        s.setLastPointGood(true);
    } else {
        s.setLastPointGood(false);
    }
    // if this is the last item, draw the path ...
    if (item == s.getLastItemIndex()) {
        // draw path
        drawShape1(g2, pass, series, item, selected, s.seriesPath);
    }
}

Example 88 with RectangleEdge

use of org.jfree.chart.util.RectangleEdge in project graphcode2vec by graphcode2vec.

the class XYSplineRenderer method drawPrimaryLineAsPath.

/**
 * Draws the item (first pass). This method draws the lines
 * connecting the items. Instead of drawing separate lines,
 * a GeneralPath is constructed and drawn at the end of
 * the series painting.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param plot  the plot (can be used to obtain standard color information
 *              etc).
 * @param dataset  the dataset.
 * @param pass  the pass.
 * @param series  the series index (zero-based).
 * @param item  the item index (zero-based).
 * @param selected  is the item selected?
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataArea  the area within which the data is being drawn.
 */
protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, boolean selected, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {
    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    // get the data points
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
    // collect points
    if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
        ControlPoint p = new ControlPoint(plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transY1 : (float) transX1, plot.getOrientation() == PlotOrientation.HORIZONTAL ? (float) transX1 : (float) transY1);
        if (!this.points.contains(p)) {
            this.points.add(p);
        }
    }
    if (item == dataset.getItemCount(series) - 1) {
        State s = (State) state;
        // construct path
        if (this.points.size() > 1) {
            // we need at least two points to draw something
            ControlPoint cp0 = (ControlPoint) this.points.get(0);
            s.seriesPath.moveTo(cp0.x, cp0.y);
            if (this.points.size() == 2) {
                // we need at least 3 points to spline. Draw simple line
                // for two points
                ControlPoint cp1 = (ControlPoint) this.points.get(1);
                s.seriesPath.lineTo(cp1.x, cp1.y);
            } else {
                // construct spline
                // number of points
                int np = this.points.size();
                // Newton form coefficients
                float[] d = new float[np];
                // x-coordinates of nodes
                float[] x = new float[np];
                float y;
                float t;
                float oldy = 0;
                float oldt = 0;
                float[] a = new float[np];
                float t1;
                float t2;
                float[] h = new float[np];
                for (int i = 0; i < np; i++) {
                    ControlPoint cpi = (ControlPoint) this.points.get(i);
                    x[i] = cpi.x;
                    d[i] = cpi.y;
                }
                for (int i = 1; i <= np - 1; i++) {
                    h[i] = x[i] - x[i - 1];
                }
                float[] sub = new float[np - 1];
                float[] diag = new float[np - 1];
                float[] sup = new float[np - 1];
                for (int i = 1; i <= np - 2; i++) {
                    diag[i] = (h[i] + h[i + 1]) / 3;
                    sup[i] = h[i + 1] / 6;
                    sub[i] = h[i] / 6;
                    a[i] = (d[i + 1] - d[i]) / h[i + 1] - (d[i] - d[i - 1]) / h[i];
                }
                solveTridiag(sub, diag, sup, a, np - 2);
                // note that a[0]=a[np-1]=0
                // draw
                oldt = x[0];
                oldy = d[0];
                s.seriesPath.moveTo(oldt, oldy);
                for (int i = 1; i <= np - 1; i++) {
                    // loop over intervals between nodes
                    for (int j = 1; j <= this.precision; j++) {
                        t1 = (h[i] * j) / this.precision;
                        t2 = h[i] - t1;
                        y = ((-a[i - 1] / 6 * (t2 + h[i]) * t1 + d[i - 1]) * t2 + (-a[i] / 6 * (t1 + h[i]) * t2 + d[i]) * t1) / h[i];
                        t = x[i - 1] + t1;
                        s.seriesPath.lineTo(t, y);
                        oldt = t;
                        oldy = y;
                    }
                }
            }
            // draw path
            drawShape1(g2, pass, series, item, selected, s.seriesPath);
        }
        // reset points vector
        this.points = new Vector();
    }
}