phoenix-firestorm/indra/llmath/v3colorutil.h

103 lines
2.9 KiB
C++

/**
* @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"
#include "v4color.h"
inline LLColor3 componentDiv(const LLColor3& left, const LLColor3& right)
{
return LLColor3(left.mV[VRED] / right.mV[VRED], left.mV[VGREEN] / right.mV[VGREEN], left.mV[VBLUE] / right.mV[VBLUE]);
}
inline LLColor3 componentMult(const LLColor3& left, const LLColor3& right)
{
return LLColor3(left.mV[VRED] * right.mV[VRED], left.mV[VGREEN] * right.mV[VGREEN], left.mV[VBLUE] * right.mV[VBLUE]);
}
inline LLColor3 componentExp(const LLColor3& v)
{
return LLColor3(exp(v.mV[VRED]), exp(v.mV[VGREEN]), exp(v.mV[VBLUE]));
}
inline LLColor3 componentPow(const LLColor3& v, F32 exponent)
{
return LLColor3(pow(v.mV[VRED], exponent), pow(v.mV[VGREEN], exponent), pow(v.mV[VBLUE], exponent));
}
inline LLColor3 componentSaturate(const LLColor3& v)
{
return LLColor3(std::max(std::min(v.mV[VRED], 1.f), 0.f),
std::max(std::min(v.mV[VGREEN], 1.f), 0.f),
std::max(std::min(v.mV[VBLUE], 1.f), 0.f));
}
inline LLColor3 componentSqrt(const LLColor3& v)
{
return LLColor3(sqrt(v.mV[VRED]), sqrt(v.mV[VGREEN]), sqrt(v.mV[VBLUE]));
}
inline void componentMultBy(LLColor3& left, const LLColor3& right)
{
left.mV[VRED] *= right.mV[VRED];
left.mV[VGREEN] *= right.mV[VGREEN];
left.mV[VBLUE] *= right.mV[VBLUE];
}
inline LLColor3 colorMix(const LLColor3& left, const LLColor3& 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[VRED] + col.mV[VGREEN] + col.mV[VBLUE];
}
inline F32 color_max(const LLColor3& col)
{
return llmax(col.mV[VRED], col.mV[VGREEN], col.mV[VBLUE]);
}
inline F32 color_max(const LLColor4& col)
{
return llmax(col.mV[VRED], col.mV[VGREEN], col.mV[VBLUE]);
}
inline F32 color_min(const LLColor3& col)
{
return llmin(col.mV[VRED], col.mV[VGREEN], col.mV[VBLUE]);
}
#endif