Example usage for org.jfree.chart ChartUtils encodeAsPNG

Introduction

In this page you can find the example usage for org.jfree.chart ChartUtils encodeAsPNG.

Prototype

public static byte[] encodeAsPNG(BufferedImage image) throws IOException 

Source Link

Document

Encodes a BufferedImage to PNG format.

Usage

From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java

public static void writeChartToPNG(JFreeChart chart, ChartRenderingInfo info, int width, int height,
        File fileName, int resolution) throws IOException {
    if (resolution == 72)
        writeChartToPNG(chart, info, width, height, fileName);
    else {/*w  w w  . j  a  v a2s  . c  o  m*/
        OutputStream out = new BufferedOutputStream(new FileOutputStream(fileName));
        try {
            BufferedImage image = paintScaledChartToBufferedImage(chart, info, out, width, height, resolution,
                    BufferedImage.TYPE_INT_ARGB);
            out.write(ChartUtils.encodeAsPNG(image));
        } finally {
            out.close();
        }
    }
}

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