Example usage for java.awt.image DataBufferInt getNumBanks

Introduction

In this page you can find the example usage for java.awt.image DataBufferInt getNumBanks.

Prototype

public int getNumBanks() 

Source Link

Document

Returns the number of banks in this DataBuffer.

Usage

From source file:net.bioclipse.chart.ChartUtils.java

/**
 * Utility method for converting JFreeChart to an image
 * @param parent used for color correction 
 * @param chart the chart to be made into an image
 * @param width image width/*  ww w  . java  2  s.  c  o m*/
 * @param height image height
 * @return SWT Image of the chart 
 */
public static Image createChartImage(Composite parent, JFreeChart chart, int width, int height) {
    // Color adjustment

    Color swtBackground = parent.getBackground();
    java.awt.Color awtBackground = new java.awt.Color(swtBackground.getRed(), swtBackground.getGreen(),
            swtBackground.getRed());
    chart.setBackgroundPaint(awtBackground);

    // Draw the chart in an AWT buffered image
    BufferedImage bufferedImage = chart.createBufferedImage(width, height, null);

    // Get the data buffer of the image
    DataBuffer buffer = bufferedImage.getRaster().getDataBuffer();
    DataBufferInt intBuffer = (DataBufferInt) buffer;

    // Copy the data from the AWT buffer to a SWT buffer
    PaletteData paletteData = new PaletteData(0x00FF0000, 0x0000FF00, 0x000000FF);
    ImageData imageData = new ImageData(width, height, 32, paletteData);
    for (int bank = 0; bank < intBuffer.getNumBanks(); bank++) {
        int[] bankData = intBuffer.getData(bank);
        imageData.setPixels(0, bank, bankData.length, bankData, 0);
    }

    // Create an SWT image
    return new Image(parent.getDisplay(), imageData);
}

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