File: IccTagLut.cpp. More...

#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "IccTag.h"
#include "IccUtil.h"
#include "IccProfile.h"
#include "IccMpeBasic.h"

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Functions
static icFloatNumber	ClutUnitClip (icFloatNumber v)

static bool	IsUnity (const icFloatNumber &num)

Variables
const icFloatNumber	VERYSMALLNUM = (icFloatNumber)0.0000001

Detailed Description

File: IccTagLut.cpp.

Contains: Implementation of the Lut Tag classes

Version: V1

Copyright: � see ICC Software License

Definition in file IccTagLut.cpp.

Function Documentation

◆ ClutUnitClip()

static icFloatNumber ClutUnitClip ( icFloatNumber v )

static

Definition at line 1602 of file IccTagLut.cpp.

{
  if (v<0)
    return 0;
  else if (v>1.0)
    return 1.0;
 
  return v;
}

Referenced by CIccCLUT::CIccCLUT().

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◆ IsUnity()

static bool IsUnity ( const icFloatNumber & num )

static

Definition at line 520 of file IccTagLut.cpp.

{
  return (num>(1.0-VERYSMALLNUM) && num<(1.0+VERYSMALLNUM));
}

References VERYSMALLNUM.

Referenced by CIccMatrix::IsIdentity(), CIccTagCurve::IsIdentity(), and CIccTagParametricCurve::IsIdentity().

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Variable Documentation

◆ VERYSMALLNUM

const icFloatNumber VERYSMALLNUM = (icFloatNumber)0.0000001

Definition at line 519 of file IccTagLut.cpp.

Referenced by CIccTagCurve::IsIdentity(), and IsUnity().