/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef nsUnitConversion_h__
#define nsUnitConversion_h__
#include "nscore.h"
#include "nsCoord.h"
#include <math.h>
#include <float.h>
#ifndef FLT_EPSILON
// Not an ANSI compiler... oh, well. Use an IEEE value.
#endif
/// handy constants
/*
* Coord Rounding Functions
*/
{
}
{
}
{
return ((0.0f <= aValue) ? nscoord(aValue + ROUND_CONST_FLOAT) : nscoord(aValue - ROUND_CONST_FLOAT));
}
{
}
/*
* Int Rounding Functions
*/
{
}
{
}
{
return ((0.0f <= aValue) ? PRInt32(aValue + ROUND_CONST_FLOAT) : PRInt32(aValue - ROUND_CONST_FLOAT));
}
{
}
/*
*/
{
}
{
}
{
}
{
}
{
}
{
return (float(aTwips) / TWIPS_PER_POINT_FLOAT);
}
/*
*/
{
}
{
}
{
return (float(aTwips) * aPixelsPerTwip);
}
{
}
/*
*/
{
}
{
}
/// Unit conversion macros
//@{
#define NS_CICEROS_TO_TWIPS(x) NSUnitsToTwips((x), (12.0f * (16.0f / 15.0f))) // 12 didots per cicero
//@}
#endif