Package org.knowm.xchart.internal

Class Utils

java.lang.Object

org.knowm.xchart.internal.Utils

public class Utils
extends java.lang.Object

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Utils()	Private Constructor

Method Summary

Modifier and Type	Method	Description
static java.lang.String	addFileExtension(java.lang.String fileName, java.lang.String fileExtension)	Only adds the extension of the fileExtension to the filename if the filename doesn't already have it.
static double[]	getDoubleArrayFromDateList(java.util.List<?> data)
static double[]	getDoubleArrayFromFloatArray(float[] data)
static double[]	getDoubleArrayFromIntArray(int[] data)
static double[]	getDoubleArrayFromNumberList(java.util.List<?> data)
static double[]	getGeneratedDataAsArray(int length)
static java.util.List<java.lang.Double>	getGeneratedDataAsList(int length)
static long[]	getLongArrayFromFloatArray(float[] data)
static long[]	getLongArrayFromIntArray(int[] data)
static long[]	getLongArrayFromNumberList(java.util.List<?> data)
static java.util.List<java.lang.Double>	getNumberListFromDoubleArray(double[] data)
static java.util.List<java.lang.Double>	getNumberListFromIntArray(int[] data)
static double	getTickStartOffset(double workingSpace, double tickSpace)	Gets the offset for the beginning of the tick marks
static double	pow(double base, int exponent)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

private Utils()

Private Constructor

Method Detail

getTickStartOffset

public static double getTickStartOffset(double workingSpace,
                                        double tickSpace)

Gets the offset for the beginning of the tick marks

Parameters:

workingSpace -

tickSpace -

Returns:

pow

public static double pow(double base,
                         int exponent)

getNumberListFromDoubleArray

public static java.util.List<java.lang.Double> getNumberListFromDoubleArray(double[] data)

getNumberListFromIntArray

public static java.util.List<java.lang.Double> getNumberListFromIntArray(int[] data)

getGeneratedDataAsList

public static java.util.List<java.lang.Double> getGeneratedDataAsList(int length)

getDoubleArrayFromFloatArray

public static double[] getDoubleArrayFromFloatArray(float[] data)

getDoubleArrayFromIntArray

public static double[] getDoubleArrayFromIntArray(int[] data)

getDoubleArrayFromNumberList

public static double[] getDoubleArrayFromNumberList(java.util.List<?> data)

getDoubleArrayFromDateList

public static double[] getDoubleArrayFromDateList(java.util.List<?> data)

getGeneratedDataAsArray

public static double[] getGeneratedDataAsArray(int length)

getLongArrayFromIntArray

public static long[] getLongArrayFromIntArray(int[] data)

getLongArrayFromFloatArray

public static long[] getLongArrayFromFloatArray(float[] data)

getLongArrayFromNumberList

public static long[] getLongArrayFromNumberList(java.util.List<?> data)

addFileExtension

public static java.lang.String addFileExtension(java.lang.String fileName,
                                                java.lang.String fileExtension)

Only adds the extension of the fileExtension to the filename if the filename doesn't already have it.

Parameters:

fileName - File name

fileExtension - File extension

Returns:

filename (if extension already exists), otherwise;: filename + fileExtension