org.swtchart.internal.compress

Class CompressLineSeries

java.lang.Object

org.swtchart.internal.compress.Compress

org.swtchart.internal.compress.CompressLineSeries

All Implemented Interfaces:

ICompress

public class CompressLineSeries
extends Compress

A compressor for line series data.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	CompressLineSeries.STATE the state indicating the relation between previous and current data points

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	isPrevOutOfRange the flag indicating whether the previous point is out of range

Fields inherited from class org.swtchart.internal.compress.Compress

compressed, compressedIndexes, compressedXSeries, compressedYSeries, config, prevConfig, previousXGridIndex, previousYGridIndex, xLower, xSeries, xUpper, yLower, ySeries, yUpper

Constructor Summary

Constructors

Constructor and Description
CompressLineSeries()

Method Summary

Modifier and Type	Method and Description
protected void	addNecessaryPlots(java.util.ArrayList<java.lang.Double> xList, java.util.ArrayList<java.lang.Double> yList, java.util.ArrayList<java.lang.Integer> indexList) Adds the necessary plots.
private CompressLineSeries.STATE	getState(int index) Gets the state for each plot.

Methods inherited from class org.swtchart.internal.compress.Compress

addToList, compress, getCompressedIndexes, getCompressedXSeries, getCompressedYSeries, isInSameGridAsPrevious, setXSeries, setYSeries

Methods inherited from class java.lang.Object

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

Field Detail

isPrevOutOfRange

private boolean isPrevOutOfRange

the flag indicating whether the previous point is out of range

Constructor Detail

CompressLineSeries

public CompressLineSeries()

Method Detail

addNecessaryPlots

protected void addNecessaryPlots(java.util.ArrayList<java.lang.Double> xList,
                                 java.util.ArrayList<java.lang.Double> yList,
                                 java.util.ArrayList<java.lang.Integer> indexList)

Description copied from class: Compress

Adds the necessary plots.

Specified by:

addNecessaryPlots in class Compress

Parameters:

xList - the array in which x coordinate for necessary plot is stored

yList - the array in which y coordinate for necessary plot is stored

indexList - the array in which series index for necessary plot is stored

getState

private CompressLineSeries.STATE getState(int index)

Gets the state for each plot.

Parameters:

index - the index for plot

Returns:

the state of plot for the given index