uk.ac.ed.epcc.webapp.charts

Interface ChartData<P extends Plot>

Type Parameters:

P - Type of Plot object

All Known Subinterfaces:

BarTimeChartData<S>, PeriodChartData<P>, PieChartData<P>, PieTimeChartData<P>, ScatterPeriodChartData<P>, TimeChartData<P>

All Known Implementing Classes:

JFreeBarTimeChartData, JFreeChart3DPieChartData, JFreeChartData, JFreePieChartData, JFreeScatterPeriodChartData, JFreeTimeChartData

public interface ChartData<P extends Plot>

Interface for objects that represent the actual Chart graphic Objects implementing this interface are intended to be the graphic-library internal implementation of chart objects.

Method Summary

Modifier and Type	Method and Description
void	createPNG(java.io.File pngfile) create a PNG file from the chart
void	createPNG(java.io.OutputStream res) send a png file to an OutputStream
java.lang.String	getQuantityName()
java.awt.Dimension	getSize() Get the preferred size of the plot
P	makeDataSet(int i) make a dataset
void	setGraphical(boolean val)
void	setQuantityName(java.lang.String s)
void	setTitle(java.lang.String t)
void	writeGraphics(java.awt.Graphics2D dest) create a SVG file from the chart

Method Detail

createPNG

void createPNG(java.io.OutputStream res)
        throws java.lang.Exception

send a png file to an OutputStream

Parameters:

res -

Throws:

java.io.IOException

java.lang.Exception

createPNG

void createPNG(java.io.File pngfile)
        throws java.lang.Exception

create a PNG file from the chart

Parameters:

pngfile -

Throws:

java.io.IOException

java.lang.Exception

writeGraphics

void writeGraphics(java.awt.Graphics2D dest)
            throws java.lang.Exception

create a SVG file from the chart

Parameters:

dest -

Throws:

java.lang.Exception

getSize

java.awt.Dimension getSize()

Get the preferred size of the plot

Returns:

Dimension

makeDataSet

P makeDataSet(int i)
       throws java.lang.Exception

make a dataset

Parameters:

i - initial size

Returns:

Plot

Throws:

java.lang.Exception

setQuantityName

void setQuantityName(java.lang.String s)

getQuantityName

java.lang.String getQuantityName()

setTitle

void setTitle(java.lang.String t)

setGraphical

void setGraphical(boolean val)