Package net.i2p.rrd4j

Class SimpleSVGImageWorker

java.lang.Object

org.rrd4j.graph.ImageWorker

net.i2p.rrd4j.SimpleSVGImageWorker

public class SimpleSVGImageWorker
extends ImageWorker

rrd4j adapter for SimpleSVGGraphics2D Requires: rrd4j 3.10 or higher Ref: https://github.com/rrd4j/rrd4j/issues/165 Usage: No ImageIO/BufferedImage/ImageWriter required!

      RRDGraph graph = new RrdGraph(graphdef, new SimpleSVGImageWorker(width, height));
      outputstream.write(graph.getRrdGraphInfo().getBytes());

License: Apache 2.0 (same as rrd4j)

Since:

0.9.64

Author:

zzz

Constructor Summary

Constructors

Constructor	Description
SimpleSVGImageWorker(int width, int height)

Method Summary

Modifier and Type	Method	Description
protected void	drawString(String text, int x, int y, Font font, Paint paint)	Overridden because the SVG format essentially strips leading/trailing spaces, causing alignment issues in ValueAxis with the %x.y number formatting.
protected double	getStringWidth(String text, Font font)	Overridden because the SVG format essentially strips leading/trailing spaces, causing alignment issues in ValueAxis with the %x.y number formatting.
protected void	makeImage(OutputStream os)
protected void	reset(Graphics2D g2d)	reset the dimensions of the Graphics2D
protected void	resize(int width, int height)

Methods inherited from class org.rrd4j.graph.ImageWorker

clip, dispose, drawLine, drawPolyline, fillPolygon, fillPolygon, fillRect, getFontAscent, getFontHeight, getImageBytes, 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 Details

SimpleSVGImageWorker

public SimpleSVGImageWorker(int width,
 int height)

Method Details

resize

protected void resize(int width,
 int height)

Specified by:

resize in class ImageWorker

reset

protected void reset(Graphics2D g2d)

Description copied from class: ImageWorker

reset the dimensions of the Graphics2D

Specified by:

reset in class ImageWorker

makeImage

protected void makeImage(OutputStream os)
                  throws IOException

Specified by:

makeImage in class ImageWorker

Throws:

IOException

drawString

protected void drawString(String text,
 int x,
 int y,
 Font font,
 Paint paint)

Overridden because the SVG format essentially strips leading/trailing spaces, causing alignment issues in ValueAxis with the %x.y number formatting. Consecutive spaces within text are also probably collapsed, that is not addressed here.

Overrides:

drawString in class ImageWorker

getStringWidth

protected double getStringWidth(String text,
 Font font)

Overridden because the SVG format essentially strips leading/trailing spaces, causing alignment issues in ValueAxis with the %x.y number formatting. Consecutive spaces within text are also probably collapsed, that is not addressed here.

Overrides:

getStringWidth in class ImageWorker