Example usage for org.jfree.eastwood GXYPlot setAngle

Introduction

In this page you can find the example usage for org.jfree.eastwood GXYPlot setAngle.

Prototype

public void setAngle(double angle) 

Source Link

Document

Sets the angle (in radians).

Usage

From source file:org.jfree.eastwood.ChartEngine.java

/**
 * Process the string which contains an encoding for the chart background
 * fill, and apply it to the chart./*w  w  w.  j  av  a2 s.co  m*/
 *
 * @param spec  the fill specification.
 * @param chart  the chart.
 */
private static void processFillSpec(String spec, JFreeChart chart) {
    if (spec.startsWith("bg")) {
        // do the chart background
        spec = spec.substring(3);
        if (spec.startsWith("s")) {
            spec = spec.substring(2);
            Color c = parseColor(spec);
            chart.setBackgroundPaint(c);
        } else if (spec.startsWith("lg")) {
            spec = spec.substring(3);
            String[] args = breakString(spec, ',');
            int angle = Integer.parseInt(args[0]);
            Color c0 = parseColor(args[1]);
            float f0 = Float.parseFloat(args[2]);
            Color c1 = parseColor(args[3]);
            float f1 = Float.parseFloat(args[4]);
            if (chart.getPlot() instanceof GXYPlot) {
                GXYPlot gxyplot = (GXYPlot) chart.getPlot();
                gxyplot.setF0(f0);
                gxyplot.setF1(f1);
                gxyplot.setAngle(Math.PI / 180.0 * angle);
                gxyplot.setBackgroundPaint(new GradientPaint(0.0f, 0.0f, c0, 0.0f, 0.0f, c1));
            }
        }
    } else if (spec.startsWith("c")) {
        // do the plot background
        spec = spec.substring(2);
        if (spec.startsWith("s")) {
            spec = spec.substring(2);
            Color c = parseColor(spec);
            chart.getPlot().setBackgroundPaint(c);
        } else if (spec.startsWith("lg")) {
            spec = spec.substring(3);
            String[] args = breakString(spec, ',');
            int angle = Integer.parseInt(args[0]);
            Color c0 = parseColor(args[1]);
            float f0 = Float.parseFloat(args[2]);
            Color c1 = parseColor(args[3]);
            float f1 = Float.parseFloat(args[4]);
            if (chart.getPlot() instanceof GXYPlot) {
                GXYPlot gxyplot = (GXYPlot) chart.getPlot();
                gxyplot.setF0(f0);
                gxyplot.setF1(f1);
                gxyplot.setAngle(Math.PI / 180.0 * angle);
                gxyplot.setBackgroundPaint(new GradientPaint(0.0f, 0.0f, c0, 0.0f, 0.0f, c1));
            }
        } else {
            throw new RuntimeException("'c' background fill not implemented yet.");
        }
    } else {
        throw new RuntimeException("Bad fill specification: " + spec);
    }
}

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