org.bootchart.renderer

Class ImageRenderer

public abstract class ImageRenderer extends Renderer

ImageRenderer renders the boot chart as a Java 2D BufferedImage. Subclasses may then encode the image in different formats (e.g. PNG or EPS).

Field Summary
protected boolean	allowAlpha Whether to allow usage of transparency.
protected Graphics	g
protected BufferedImage	img

Method Summary
abstract String	getFileSuffix()
void	render(Properties headers, BootStats bootStats, OutputStream os) Render the chart.

Field Detail

protected boolean allowAlpha

Whether to allow usage of transparency. Certain renderers (e.g. EPS) will produce better results if the colors aren't transparent.

protected Graphics g

protected BufferedImage img

public abstract String getFileSuffix()

public void render(Properties headers, BootStats bootStats, OutputStream os)

Render the chart.

Parameters: headers header properties to include in the title banner bootStats boot statistics os the output stream to write t

Throws: IOException if an I/O error occurs