com.google.typography.font.sfntly.math

Class FontMath

java.lang.Object

com.google.typography.font.sfntly.math.FontMath

public final class FontMath
extends java.lang.Object

Utility math for fonts.

Author:

Stuart Gill

Method Summary

Modifier and Type	Method and Description
static int	log2(int a)
static int	paddingRequired(int size, int alignmentSize) Calculates the amount of padding needed.

Methods inherited from class java.lang.Object

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

Method Detail

log2

public static int log2(int a)

paddingRequired

public static int paddingRequired(int size,
                                  int alignmentSize)

Calculates the amount of padding needed. The values provided need to be in the same units. So, if the size is given as the number of bytes then the alignment size must also be specified as byte size to align to.

Parameters:

size - the size of the data that may need padding

alignmentSize - the number of units to align to

Returns:

the number of units needing to be added for alignment