Examples with LineChartProperties org.jCharts.properties.LineChartProperties used on opensource projects

Example 1 with LineChartProperties

use of org.jCharts.properties.LineChartProperties in project jmeter by apache.

the class RespTimeGraphChart method drawSample.

private void drawSample(String _title, String[] _xAxisLabels, String _yAxisTitle, String[] _legendLabels, double[][] _data, int _width, int _height, int _incrScaleYAxis, Color[] _color, Font legendFont, Graphics g) {
    // define max scale y axis
    double max = maxYAxisScale > 0 ? maxYAxisScale : getTopValue(findMax(_data), BigDecimal.ROUND_UP);
    try {
        // if the title graph is empty, we can assume some default
        if (_title.length() == 0) {
            //$NON-NLS-1$
            _title = JMeterUtils.getResString("graph_resp_time_title");
        }
        this.setPreferredSize(new Dimension(_width, _height));
        // replace _xAxisTitle to null (don't display x axis title)
        DataSeries dataSeries = new DataSeries(_xAxisLabels, null, _yAxisTitle, _title);
        // Stroke and shape line settings
        Stroke[] strokes = new Stroke[_legendLabels.length];
        for (int i = 0; i < _legendLabels.length; i++) {
            strokes[i] = new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 5f);
        }
        Shape[] shapes = new Shape[_legendLabels.length];
        for (int i = 0; i < _legendLabels.length; i++) {
            shapes[i] = pointShape;
        }
        LineChartProperties lineChartProperties = new LineChartProperties(strokes, shapes);
        // Lines colors
        Paint[] paints = new Paint[_color.length];
        System.arraycopy(_color, 0, paints, 0, _color.length);
        // Define chart type (line)
        AxisChartDataSet axisChartDataSet = new AxisChartDataSet(_data, _legendLabels, paints, ChartType.LINE, lineChartProperties);
        dataSeries.addIAxisPlotDataSet(axisChartDataSet);
        ChartProperties chartProperties = new ChartProperties();
        LabelAxisProperties xaxis = new LabelAxisProperties();
        DataAxisProperties yaxis = new DataAxisProperties();
        yaxis.setUseCommas(showGrouping);
        if (legendFont != null) {
            yaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
            yaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
            xaxis.setAxisTitleChartFont(new ChartFont(legendFont, new Color(20)));
            xaxis.setScaleChartFont(new ChartFont(legendFont, new Color(20)));
        }
        if (titleFont != null) {
            chartProperties.setTitleFont(new ChartFont(titleFont, new Color(0)));
        }
        // Y Axis ruler
        try {
            // ~a tic every 50 px
            double numInterval = _height / 50d;
            double incrYAxis = max / numInterval;
            double incrTopValue = _incrScaleYAxis;
            if (_incrScaleYAxis == 0) {
                incrTopValue = getTopValue(incrYAxis, BigDecimal.ROUND_HALF_UP);
            }
            if (incrTopValue < 1) {
                // Increment cannot be < 1
                incrTopValue = 1.0d;
            }
            yaxis.setUserDefinedScale(0, incrTopValue);
            yaxis.setNumItems((int) (max / incrTopValue) + 1);
            yaxis.setShowGridLines(1);
        } catch (PropertyException e) {
            log.warn("Exception while setting Y axis properties.", e);
        }
        AxisProperties axisProperties = new AxisProperties(xaxis, yaxis);
        axisProperties.setXAxisLabelsAreVertical(true);
        LegendProperties legendProperties = new LegendProperties();
        legendProperties.setBorderStroke(null);
        legendProperties.setPlacement(legendPlacement);
        legendProperties.setIconBorderPaint(Color.WHITE);
        legendProperties.setIconBorderStroke(new BasicStroke(0f, BasicStroke.CAP_SQUARE, BasicStroke.CAP_SQUARE));
        // Manage legend placement
        legendProperties.setNumColumns(LegendAreaProperties.COLUMNS_FIT_TO_IMAGE);
        if (legendPlacement == LegendAreaProperties.RIGHT || legendPlacement == LegendAreaProperties.LEFT) {
            legendProperties.setNumColumns(1);
        }
        if (legendFont != null) {
            legendProperties.setFont(legendFont);
        }
        AxisChart axisChart = new AxisChart(dataSeries, chartProperties, axisProperties, legendProperties, _width, _height);
        axisChart.setGraphics2D((Graphics2D) g);
        axisChart.render();
    } catch (ChartDataException | PropertyException e) {
        log.warn("Exception while rendering axis chart.", e);
    }
}

Example 2 with LineChartProperties

use of org.jCharts.properties.LineChartProperties in project jmeter by apache.

the class LineGraph method drawSample.

private void drawSample(String _title, String[] _xAxisLabels, String _xAxisTitle, String _yAxisTitle, double[][] _data, int _width, int _height, Graphics g) {
    try {
        if (_width == 0) {
            _width = 450;
        }
        if (_height == 0) {
            _height = 250;
        }
        this.setPreferredSize(new Dimension(_width, _height));
        DataSeries dataSeries = new DataSeries(_xAxisLabels, _xAxisTitle, _yAxisTitle, _title);
        String[] legendLabels = yAxisLabel;
        Paint[] paints = this.createPaint(_data.length);
        Shape[] shapes = createShapes(_data.length);
        Stroke[] lstrokes = createStrokes(_data.length);
        LineChartProperties lineChartProperties = new LineChartProperties(lstrokes, shapes);
        AxisChartDataSet axisChartDataSet = new AxisChartDataSet(_data, legendLabels, paints, ChartType.LINE, lineChartProperties);
        dataSeries.addIAxisPlotDataSet(axisChartDataSet);
        ChartProperties chartProperties = new ChartProperties();
        AxisProperties axisProperties = new AxisProperties();
        // show the grid lines, to turn it off, set it to zero
        axisProperties.getYAxisProperties().setShowGridLines(1);
        axisProperties.setXAxisLabelsAreVertical(true);
        // set the Y Axis to round
        DataAxisProperties daxp = (DataAxisProperties) axisProperties.getYAxisProperties();
        daxp.setRoundToNearest(1);
        LegendProperties legendProperties = new LegendProperties();
        AxisChart axisChart = new AxisChart(dataSeries, chartProperties, axisProperties, legendProperties, _width, _height);
        axisChart.setGraphics2D((Graphics2D) g);
        axisChart.render();
    } catch (Exception e) {
        log.error("Error while rendering axis chart. {}", e.getMessage());
    }
}