com.github.mikephil.charting.formatter

Class DefaultValueFormatter

java.lang.Object

com.github.mikephil.charting.formatter.DefaultValueFormatter

All Implemented Interfaces:

ValueFormatter

public class DefaultValueFormatter
extends java.lang.Object
implements ValueFormatter

Default formatter used for formatting values inside the chart. Uses a DecimalFormat with pre-calculated number of digits (depending on max and min value).

Constructor Summary

Constructors

Constructor and Description
DefaultValueFormatter(int digits) Constructor that specifies to how many digits the value should be formatted.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) Called when a value (from labels inside the chart) is formatted before being drawn.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultValueFormatter

public DefaultValueFormatter(int digits)

Constructor that specifies to how many digits the value should be formatted.

Parameters:

digits -

Method Detail

getFormattedValue

public java.lang.String getFormattedValue(float value,
                                          Entry entry,
                                          int dataSetIndex,
                                          ViewPortHandler viewPortHandler)

Description copied from interface: ValueFormatter

Called when a value (from labels inside the chart) is formatted before being drawn. For performance reasons, avoid excessive calculations and memory allocations inside this method.

Specified by:

getFormattedValue in interface ValueFormatter

Parameters:

value - the value to be formatted

entry - the entry the value belongs to - in e.g. BarChart, this is of class BarEntry

dataSetIndex - the index of the DataSet the entry in focus belongs to

viewPortHandler - provides information about the current chart state (scale, translation, ...)

Returns:

the formatted label ready for being drawn