Examples of org.jfree.chart.JFreeChart.draw()

org.jfree.chart.JFreeChart.draw()
Draws the chart on a Java 2D graphics device (such as the screen or a printer).
This method is the focus of the entire JFreeChart library. @param g2 the graphics device. @param area the area within which the chart should be drawn.

        // a redraw should NOT trigger another change event
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        this.events.clear();
        chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
        assertTrue(this.events.isEmpty());
    }


    /**
     * Creates a sample dataset.

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        plot.setLegendLabelGenerator(new NullLegendLabelGenerator());


        BufferedImage image = new BufferedImage(200 , 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
    }


    @Test
    public void testBug1126() throws CloneNotSupportedException {

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        yAxis.setFixedDimension(100.0);
        BufferedImage image = new BufferedImage(500, 300, 
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        ChartRenderingInfo info = new ChartRenderingInfo();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 500, 300), info);
        g2.dispose();
        Rectangle2D rect = info.getPlotInfo().getDataArea();
        double x = rect.getMinX();
        assertEquals(104.0, x, 1.0);  // 4 padding + 100 for axis
    }

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        // a redraw should NOT trigger another change event
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        this.events.clear();
        chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
        assertTrue(this.events.isEmpty());
    }


    /**
     * Creates a dataset.

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        JFreeChart chart = new JFreeChart(plot);


        BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
    }


    /**
     * Fetches the legend items and checks the values.

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        // a redraw should NOT trigger another change event
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        this.events.clear();
        chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
        assertTrue(this.events.isEmpty());
    }


    /**
     * Creates a sample dataset.

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        plot.setRenderer(1, new XYLineAndShapeRenderer());


        BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        //FIXME we should be asserting a value here
    }


    /**

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        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setRenderer(null);
        BufferedImage image = new BufferedImage(200 , 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        //FIXME we should be asserting a value here
    }


    /**

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                dataset);


            BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2 = image.createGraphics();
            chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
            g2.dispose();
    }


    /**
     * Check that removing a marker that isn't assigned to the plot returns

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    public void testDrawWithNullDataset() {
        JFreeChart chart = ChartFactory.createPieChart3D("Test", null);
            BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2 = image.createGraphics();
            chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
            g2.dispose();


    }


}

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