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.


        try {
            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,
                    new ChartRenderingInfo());
            g2.dispose();
            success = true;
        }
        catch (Exception e) {

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        try {
            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,
                    new ChartRenderingInfo());
            g2.dispose();
            success = true;
        }
        catch (Exception e) {

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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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              Page page = document.createPage(new Rectangle(
                  width, height));
              Graphics2D g2 = page.getGraphics2D();
              Rectangle2D rectangle2D = new Rectangle2D.Double(0,
                  0, width, height);
              chart.draw(g2, rectangle2D);
              g2.dispose();
              document.writeToFile(f);
            }
          } catch (Exception ex)

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        JFreeChart chart = createChart(points);
        BufferedImage img = new BufferedImage(width, height,
                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = img.createGraphics();
        try {
            chart.draw(g, new Rectangle(0, 0, width, height));
        } finally {
            g.dispose();
        }
        ImageIO.write(img, "png", file);
    }

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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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        boolean success = false;
        try {
            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();
            success = true;
        }
        catch (Exception e) {
            e.printStackTrace();

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        boolean success = false;
        try {
            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();
            success = true;
        }
        catch (Exception e) {
            e.printStackTrace();

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        boolean success = false;
        try {
            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();
            success = true;
        }
        catch (Exception e) {
            e.printStackTrace();

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        boolean success = false;
        try {
            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();
            success = true;
        }
        catch (Exception e) {
            e.printStackTrace();

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