Package com.adobe.fontengine.math

Class F16Dot16

java.lang.Object
com.adobe.fontengine.math.F16Dot16
public class F16Dot16 extends Object
Constants and operations on fixed 16.16 numbers. The value v is represented by the int value 2^16 * v.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    ONE
     
    static final int
    ONE_HALF
     
    static final int
    ZERO
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    F16Dot16()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static int
    divide(int v1, int v2)
    Divide a 16.16 by a 16.16, result is a 16.16.
    static int
    fromDouble(double v)
    Convert a double to a 16.16.
    static int
    fromInt(int v)
    Convert an int to a 16.16.
    static int
    multiply(int v1, int v2)
    Multiply two 16.16, result is a 16.16.
    static int
    multiplyByF2Dot14(int v1, int v2)
    Multiply a 16.16 by a 2.14, result is 16.16.
    static int
    multiplyDivide(int v1, int v2, int v3)
    Multiply a 16.16 by a 16.16 and divive by a 16.16, result is a 16.16.
    static int
    round(int v)
    Round a 16.16, half-up , result is a 16.16.
    static int
    square(int v)
    Square of a 16.16, result is a 16.16.
    static double
    toDouble(int v)
    Convert a 16.16 to a double.
    static String
    toString(int v)
    Convert a 16.16 to a decimal representation.
    static int
    truncate(int v)
    Truncate the decimal part of a 16.16, result is a 16.16.

    Methods inherited from class java.lang.Object

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

  • Field Details

  • Constructor Details

    • F16Dot16

      public F16Dot16()

  • Method Details

    • truncate

      public static int truncate(int v)
      Truncate the decimal part of a 16.16, result is a 16.16.

    • multiply

      public static int multiply(int v1, int v2)
      Multiply two 16.16, result is a 16.16.

    • square

      public static int square(int v)
      Square of a 16.16, result is a 16.16.

    • multiplyByF2Dot14

      public static int multiplyByF2Dot14(int v1, int v2)
      Multiply a 16.16 by a 2.14, result is 16.16.

    • multiplyDivide

      public static int multiplyDivide(int v1, int v2, int v3)
      Multiply a 16.16 by a 16.16 and divive by a 16.16, result is a 16.16.

    • divide

      public static int divide(int v1, int v2)
      Divide a 16.16 by a 16.16, result is a 16.16.

    • round

      public static int round(int v)
      Round a 16.16, half-up , result is a 16.16.

    • toDouble

      public static double toDouble(int v)
      Convert a 16.16 to a double.

    • fromDouble

      public static int fromDouble(double v)
      Convert a double to a 16.16.

    • fromInt

      public static int fromInt(int v)
      Convert an int to a 16.16.

    • toString

      public static String toString(int v)
      Convert a 16.16 to a decimal representation.