org.rrd4j.graph

Class BufferedImageWorker

java.lang.Object

org.rrd4j.graph.ImageWorker

org.rrd4j.graph.BufferedImageWorker

class BufferedImageWorker
extends ImageWorker

Image worker implementation that creates buffered images for RRD graphs. Provides functionality to create, manipulate, and save graph images in various formats.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	BufferedImageWorker.Builder Builder class for creating BufferedImageWorker instances with configurable parameters.

Constructor Summary

Constructors

Constructor and Description
BufferedImageWorker(int width, int height)

Method Summary

Modifier and Type	Method and Description
static BufferedImageWorker.Builder	getBuilder() Creates a new builder for BufferedImageWorker.
(package private) void	makeImage(OutputStream stream) Creates and writes the image to the specified output stream.
protected void	reset(Graphics2D g2d)
(package private) void	resize(int width, int height) Resizes the worker to the specified dimensions.

Methods inherited from class org.rrd4j.graph.ImageWorker

clip, dispose, drawLine, drawPolyline, drawString, fillPolygon, fillPolygon, fillRect, getFontAscent, getFontHeight, getImageBytes, getStringWidth, loadImage, makeImage, reset, saveImage, setAntiAliasing, setG2d, setTextAntiAliasing, transform

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BufferedImageWorker

BufferedImageWorker(int width,
                    int height)

Method Detail

getBuilder

public static BufferedImageWorker.Builder getBuilder()

Creates a new builder for BufferedImageWorker.

Returns:

A new builder instance.

makeImage

void makeImage(OutputStream stream)
        throws IOException

Creates and writes the image to the specified output stream.

Specified by:

makeImage in class ImageWorker

Parameters:

stream - The output stream to write the image to.

Throws:

IOException - If an I/O error occurs during writing.

reset

protected void reset(Graphics2D g2d)

Specified by:

reset in class ImageWorker

resize

void resize(int width,
            int height)

Resizes the worker to the specified dimensions.

Specified by:

resize in class ImageWorker

Parameters:

width - The new width in pixels.

height - The new height in pixels.