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/**
* @file v3color.h
* @brief LLColor3 class header file.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_V3COLORUTIL_H
#define LL_V3COLORUTIL_H
#include "v3color.h"
inline LLColor3 componentDiv(LLColor3 const &left, LLColor3 const & right)
{
return LLColor3(left.mV[0] / right.mV[0],
left.mV[1] / right.mV[1],
left.mV[2] / right.mV[2]);
}
inline LLColor3 componentMult(LLColor3 const &left, LLColor3 const & right)
{
return LLColor3(left.mV[0] * right.mV[0],
left.mV[1] * right.mV[1],
left.mV[2] * right.mV[2]);
}
inline LLColor3 componentExp(LLColor3 const &v)
{
return LLColor3(exp(v.mV[0]),
exp(v.mV[1]),
exp(v.mV[2]));
}
inline LLColor3 componentPow(LLColor3 const &v, F32 exponent)
{
return LLColor3(pow(v.mV[0], exponent),
pow(v.mV[1], exponent),
pow(v.mV[2], exponent));
}
inline LLColor3 componentSaturate(LLColor3 const &v)
{
return LLColor3(std::max(std::min(v.mV[0], 1.f), 0.f),
std::max(std::min(v.mV[1], 1.f), 0.f),
std::max(std::min(v.mV[2], 1.f), 0.f));
}
inline LLColor3 componentSqrt(LLColor3 const &v)
{
return LLColor3(sqrt(v.mV[0]),
sqrt(v.mV[1]),
sqrt(v.mV[2]));
}
inline void componentMultBy(LLColor3 & left, LLColor3 const & right)
{
left.mV[0] *= right.mV[0];
left.mV[1] *= right.mV[1];
left.mV[2] *= right.mV[2];
}
inline LLColor3 colorMix(LLColor3 const & left, LLColor3 const & right, F32 amount)
{
return (left + ((right - left) * amount));
}
inline LLColor3 smear(F32 val)
{
return LLColor3(val, val, val);
}
inline F32 color_intens(const LLColor3 &col)
{
return col.mV[0] + col.mV[1] + col.mV[2];
}
inline F32 color_max(const LLColor3 &col)
{
return llmax(col.mV[0], col.mV[1], col.mV[2]);
}
inline F32 color_max(const LLColor4 &col)
{
return llmax(col.mV[0], col.mV[1], col.mV[2]);
}
inline F32 color_min(const LLColor3 &col)
{
return llmin(col.mV[0], col.mV[1], col.mV[2]);
}
#endif
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