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LICCProfile::ConvertDoubleTo2bFixed2bNumber

Summary

Converts a fraction number into a 2-bytes fixed, 2-bytes fraction format.

Syntax

#include "ltwrappr.h"

static L_UINT32 LICCProfile::ConvertDoubleTo2bFixed2bNumber(dNumber)

Parameters

L_DOUBLE dNumber

A value that represents the double fractional value to convert.

Returns

A 4-byte (2-bytes fixed, 2-bytes fraction) value that represents the value passed to the function.

Comments

This function is used for ICC profiles purposes. The returned value must be cast into one of the following types: L_IccS15Fixed16Number or L_IccU16Fixed16Number.

Each of these types is 4-bytes, divided into 2-bytes that contain the fixed part of the number, and 2-bytes that contain the fractional part of the number.

The (2b) found in the function name means (2-bytes).

Required DLLs and Libraries

LTCLR
LTFIL
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Example

This example defines a double fractional value, and converts it into 2-bytes fixed, 2-bytes fraction value, and then converts it back into double

L_INT LICCProfile_ConvertDoubleTo2bFixed2bNumberExample() 
{ 
   L_DOUBLE dNumber;  
   L_IccU16Fixed16Number uIccNumber;  
   dNumber = 1.9858;  
   uIccNumber = ( L_IccU16Fixed16Number) LICCProfile::ConvertDoubleTo2bFixed2bNumber(dNumber);  
   dNumber = LICCProfile::Convert2bFixed2bNumberToDouble (uIccNumber); 
   return SUCCESS; 
}