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-rw-r--r--indra/llmath/v4color.h1446
1 files changed, 723 insertions, 723 deletions
diff --git a/indra/llmath/v4color.h b/indra/llmath/v4color.h
index 498d4f7734..b92522a5db 100644
--- a/indra/llmath/v4color.h
+++ b/indra/llmath/v4color.h
@@ -1,723 +1,723 @@
-/**
- * @file v4color.h
- * @brief LLColor4 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_V4COLOR_H
-#define LL_V4COLOR_H
-
-#include "llerror.h"
-//#include "vmath.h"
-#include "llmath.h"
-#include "llsd.h"
-
-class LLColor3;
-class LLColor4U;
-class LLVector4;
-
-// LLColor4 = |x y z w|
-
-static const U32 LENGTHOFCOLOR4 = 4;
-
-static const U32 MAX_LENGTH_OF_COLOR_NAME = 15; //Give plenty of room for additional colors...
-
-class LLColor4
-{
- public:
- F32 mV[LENGTHOFCOLOR4];
- LLColor4(); // Initializes LLColor4 to (0, 0, 0, 1)
- LLColor4(F32 r, F32 g, F32 b); // Initializes LLColor4 to (r, g, b, 1)
- LLColor4(F32 r, F32 g, F32 b, F32 a); // Initializes LLColor4 to (r. g, b, a)
- LLColor4(const LLColor3 &vec, F32 a = 1.f); // Initializes LLColor4 to (vec, a)
- explicit LLColor4(const LLSD& sd);
- explicit LLColor4(const F32 *vec); // Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1)
- explicit LLColor4(U32 clr); // Initializes LLColor4 to (r=clr>>24, etc))
- explicit LLColor4(const LLColor4U& color4u); // "explicit" to avoid automatic conversion
- explicit LLColor4(const LLVector4& vector4); // "explicit" to avoid automatic conversion
-
- LLSD getValue() const
- {
- LLSD ret;
- ret[0] = mV[0];
- ret[1] = mV[1];
- ret[2] = mV[2];
- ret[3] = mV[3];
- return ret;
- }
-
- void setValue(const LLSD& sd);
-
- void setHSL(F32 hue, F32 saturation, F32 luminance);
- void calcHSL(F32* hue, F32* saturation, F32* luminance) const;
-
- const LLColor4& setToBlack(); // zero LLColor4 to (0, 0, 0, 1)
- const LLColor4& setToWhite(); // zero LLColor4 to (0, 0, 0, 1)
-
- const LLColor4& setVec(F32 r, F32 g, F32 b, F32 a); // deprecated -- use set()
- const LLColor4& setVec(F32 r, F32 g, F32 b); // deprecated -- use set()
- const LLColor4& setVec(const LLColor4 &vec); // deprecated -- use set()
- const LLColor4& setVec(const LLColor3 &vec); // deprecated -- use set()
- const LLColor4& setVec(const LLColor3 &vec, F32 a); // deprecated -- use set()
- const LLColor4& setVec(const F32 *vec); // deprecated -- use set()
- const LLColor4& setVec(const LLColor4U& color4u); // deprecated -- use set()
-
- const LLColor4& set(F32 r, F32 g, F32 b, F32 a); // Sets LLColor4 to (r, g, b, a)
- const LLColor4& set(F32 r, F32 g, F32 b); // Sets LLColor4 to (r, g, b) (no change in a)
- const LLColor4& set(const LLColor4 &vec); // Sets LLColor4 to vec
- const LLColor4& set(const LLColor3 &vec); // Sets LLColor4 to LLColor3 vec (no change in alpha)
- const LLColor4& set(const LLColor3 &vec, F32 a); // Sets LLColor4 to LLColor3 vec, with alpha specified
- const LLColor4& set(const F32 *vec); // Sets LLColor4 to vec
- const LLColor4& set(const F64 *vec); // Sets LLColor4 to (double)vec
- const LLColor4& set(const LLColor4U& color4u); // Sets LLColor4 to color4u, rescaled.
-
- // set from a vector of unknown type and size
- // may leave some data unmodified
- template<typename T>
- const LLColor4& set(const std::vector<T>& v);
-
- // write to a vector of unknown type and size
- // maye leave some data unmodified
- template<typename T>
- void write(std::vector<T>& v) const;
-
- const LLColor4& setAlpha(F32 a);
-
- F32 magVec() const; // deprecated -- use length()
- F32 magVecSquared() const; // deprecated -- use lengthSquared()
- F32 normVec(); // deprecated -- use normalize()
-
- F32 length() const; // Returns magnitude of LLColor4
- F32 lengthSquared() const; // Returns magnitude squared of LLColor4
- F32 normalize(); // deprecated -- use normalize()
-
- bool isOpaque() { return mV[VALPHA] == 1.f; }
-
- F32 operator[](int idx) const { return mV[idx]; }
- F32 &operator[](int idx) { return mV[idx]; }
-
- const LLColor4& operator=(const LLColor3 &a); // Assigns vec3 to vec4 and returns vec4
-
- bool operator<(const LLColor4& rhs) const;
- friend std::ostream& operator<<(std::ostream& s, const LLColor4 &a); // Print a
- friend LLColor4 operator+(const LLColor4 &a, const LLColor4 &b); // Return vector a + b
- friend LLColor4 operator-(const LLColor4 &a, const LLColor4 &b); // Return vector a minus b
- friend LLColor4 operator*(const LLColor4 &a, const LLColor4 &b); // Return component wise a * b
- friend LLColor4 operator*(const LLColor4 &a, F32 k); // Return rgb times scaler k (no alpha change)
- friend LLColor4 operator/(const LLColor4 &a, F32 k); // Return rgb divided by scalar k (no alpha change)
- friend LLColor4 operator*(F32 k, const LLColor4 &a); // Return rgb times scaler k (no alpha change)
- friend LLColor4 operator%(const LLColor4 &a, F32 k); // Return alpha times scaler k (no rgb change)
- friend LLColor4 operator%(F32 k, const LLColor4 &a); // Return alpha times scaler k (no rgb change)
-
- friend bool operator==(const LLColor4 &a, const LLColor4 &b); // Return a == b
- friend bool operator!=(const LLColor4 &a, const LLColor4 &b); // Return a != b
-
- friend bool operator==(const LLColor4 &a, const LLColor3 &b); // Return a == b
- friend bool operator!=(const LLColor4 &a, const LLColor3 &b); // Return a != b
-
- friend const LLColor4& operator+=(LLColor4 &a, const LLColor4 &b); // Return vector a + b
- friend const LLColor4& operator-=(LLColor4 &a, const LLColor4 &b); // Return vector a minus b
- friend const LLColor4& operator*=(LLColor4 &a, F32 k); // Return rgb times scaler k (no alpha change)
- friend const LLColor4& operator%=(LLColor4 &a, F32 k); // Return alpha times scaler k (no rgb change)
-
- friend const LLColor4& operator*=(LLColor4 &a, const LLColor4 &b); // Doesn't multiply alpha! (for lighting)
-
- // conversion
- operator LLColor4U() const;
-
- // Basic color values.
- static LLColor4 red;
- static LLColor4 green;
- static LLColor4 blue;
- static LLColor4 black;
- static LLColor4 white;
- static LLColor4 yellow;
- static LLColor4 magenta;
- static LLColor4 cyan;
- static LLColor4 smoke;
- static LLColor4 grey;
- static LLColor4 orange;
- static LLColor4 purple;
- static LLColor4 pink;
- static LLColor4 transparent;
-
- // Extra color values.
- static LLColor4 grey1;
- static LLColor4 grey2;
- static LLColor4 grey3;
- static LLColor4 grey4;
-
- static LLColor4 red1;
- static LLColor4 red2;
- static LLColor4 red3;
- static LLColor4 red4;
- static LLColor4 red5;
-
- static LLColor4 green1;
- static LLColor4 green2;
- static LLColor4 green3;
- static LLColor4 green4;
- static LLColor4 green5;
- static LLColor4 green6;
-
- static LLColor4 blue1;
- static LLColor4 blue2;
- static LLColor4 blue3;
- static LLColor4 blue4;
- static LLColor4 blue5;
- static LLColor4 blue6;
-
- static LLColor4 yellow1;
- static LLColor4 yellow2;
- static LLColor4 yellow3;
- static LLColor4 yellow4;
- static LLColor4 yellow5;
- static LLColor4 yellow6;
- static LLColor4 yellow7;
- static LLColor4 yellow8;
- static LLColor4 yellow9;
-
- static LLColor4 orange1;
- static LLColor4 orange2;
- static LLColor4 orange3;
- static LLColor4 orange4;
- static LLColor4 orange5;
- static LLColor4 orange6;
-
- static LLColor4 magenta1;
- static LLColor4 magenta2;
- static LLColor4 magenta3;
- static LLColor4 magenta4;
-
- static LLColor4 purple1;
- static LLColor4 purple2;
- static LLColor4 purple3;
- static LLColor4 purple4;
- static LLColor4 purple5;
- static LLColor4 purple6;
-
- static LLColor4 pink1;
- static LLColor4 pink2;
-
- static LLColor4 cyan1;
- static LLColor4 cyan2;
- static LLColor4 cyan3;
- static LLColor4 cyan4;
- static LLColor4 cyan5;
- static LLColor4 cyan6;
-
- static bool parseColor(const std::string& buf, LLColor4* color);
- static bool parseColor4(const std::string& buf, LLColor4* color);
-
- inline void clamp();
-};
-
-
-// Non-member functions
-F32 distVec(const LLColor4 &a, const LLColor4 &b); // Returns distance between a and b
-F32 distVec_squared(const LLColor4 &a, const LLColor4 &b); // Returns distance squared between a and b
-LLColor3 vec4to3(const LLColor4 &vec);
-LLColor4 vec3to4(const LLColor3 &vec);
-LLColor4 lerp(const LLColor4 &a, const LLColor4 &b, F32 u);
-
-inline LLColor4::LLColor4(void)
-{
- mV[VX] = 0.f;
- mV[VY] = 0.f;
- mV[VZ] = 0.f;
- mV[VW] = 1.f;
-}
-
-inline LLColor4::LLColor4(const LLSD& sd)
-{
- this->setValue(sd);
-}
-
-inline LLColor4::LLColor4(F32 r, F32 g, F32 b)
-{
- mV[VX] = r;
- mV[VY] = g;
- mV[VZ] = b;
- mV[VW] = 1.f;
-}
-
-inline LLColor4::LLColor4(F32 r, F32 g, F32 b, F32 a)
-{
- mV[VX] = r;
- mV[VY] = g;
- mV[VZ] = b;
- mV[VW] = a;
-}
-
-inline LLColor4::LLColor4(U32 clr)
-{
- mV[VX] = (clr&0xff) * (1.0f/255.0f);
- mV[VY] = ((clr>>8)&0xff) * (1.0f/255.0f);
- mV[VZ] = ((clr>>16)&0xff) * (1.0f/255.0f);
- mV[VW] = (clr>>24) * (1.0f/255.0f);
-}
-
-
-inline LLColor4::LLColor4(const F32 *vec)
-{
- mV[VX] = vec[VX];
- mV[VY] = vec[VY];
- mV[VZ] = vec[VZ];
- mV[VW] = vec[VW];
-}
-
-inline const LLColor4& LLColor4::setToBlack(void)
-{
- mV[VX] = 0.f;
- mV[VY] = 0.f;
- mV[VZ] = 0.f;
- mV[VW] = 1.f;
- return (*this);
-}
-
-inline const LLColor4& LLColor4::setToWhite(void)
-{
- mV[VX] = 1.f;
- mV[VY] = 1.f;
- mV[VZ] = 1.f;
- mV[VW] = 1.f;
- return (*this);
-}
-
-inline const LLColor4& LLColor4::set(F32 x, F32 y, F32 z)
-{
- mV[VX] = x;
- mV[VY] = y;
- mV[VZ] = z;
-
-// no change to alpha!
-// mV[VW] = 1.f;
-
- return (*this);
-}
-
-inline const LLColor4& LLColor4::set(F32 x, F32 y, F32 z, F32 a)
-{
- mV[VX] = x;
- mV[VY] = y;
- mV[VZ] = z;
- mV[VW] = a;
- return (*this);
-}
-
-inline const LLColor4& LLColor4::set(const LLColor4 &vec)
-{
- mV[VX] = vec.mV[VX];
- mV[VY] = vec.mV[VY];
- mV[VZ] = vec.mV[VZ];
- mV[VW] = vec.mV[VW];
- return (*this);
-}
-
-
-inline const LLColor4& LLColor4::set(const F32 *vec)
-{
- mV[VX] = vec[VX];
- mV[VY] = vec[VY];
- mV[VZ] = vec[VZ];
- mV[VW] = vec[VW];
- return (*this);
-}
-
-inline const LLColor4& LLColor4::set(const F64 *vec)
-{
- mV[VX] = static_cast<F32>(vec[VX]);
- mV[VY] = static_cast<F32>(vec[VY]);
- mV[VZ] = static_cast<F32>(vec[VZ]);
- mV[VW] = static_cast<F32>(vec[VW]);
- return (*this);
-}
-
-// deprecated
-inline const LLColor4& LLColor4::setVec(F32 x, F32 y, F32 z)
-{
- mV[VX] = x;
- mV[VY] = y;
- mV[VZ] = z;
-
-// no change to alpha!
-// mV[VW] = 1.f;
-
- return (*this);
-}
-
-// deprecated
-inline const LLColor4& LLColor4::setVec(F32 x, F32 y, F32 z, F32 a)
-{
- mV[VX] = x;
- mV[VY] = y;
- mV[VZ] = z;
- mV[VW] = a;
- return (*this);
-}
-
-// deprecated
-inline const LLColor4& LLColor4::setVec(const LLColor4 &vec)
-{
- mV[VX] = vec.mV[VX];
- mV[VY] = vec.mV[VY];
- mV[VZ] = vec.mV[VZ];
- mV[VW] = vec.mV[VW];
- return (*this);
-}
-
-
-// deprecated
-inline const LLColor4& LLColor4::setVec(const F32 *vec)
-{
- mV[VX] = vec[VX];
- mV[VY] = vec[VY];
- mV[VZ] = vec[VZ];
- mV[VW] = vec[VW];
- return (*this);
-}
-
-inline const LLColor4& LLColor4::setAlpha(F32 a)
-{
- mV[VW] = a;
- return (*this);
-}
-
-// LLColor4 Magnitude and Normalization Functions
-
-inline F32 LLColor4::length(void) const
-{
- return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-}
-
-inline F32 LLColor4::lengthSquared(void) const
-{
- return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
-}
-
-inline F32 LLColor4::normalize(void)
-{
- F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
- F32 oomag;
-
- if (mag)
- {
- oomag = 1.f/mag;
- mV[VX] *= oomag;
- mV[VY] *= oomag;
- mV[VZ] *= oomag;
- }
- return (mag);
-}
-
-// deprecated
-inline F32 LLColor4::magVec(void) const
-{
- return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-}
-
-// deprecated
-inline F32 LLColor4::magVecSquared(void) const
-{
- return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
-}
-
-// deprecated
-inline F32 LLColor4::normVec(void)
-{
- F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
- F32 oomag;
-
- if (mag)
- {
- oomag = 1.f/mag;
- mV[VX] *= oomag;
- mV[VY] *= oomag;
- mV[VZ] *= oomag;
- }
- return (mag);
-}
-
-// LLColor4 Operators
-
-
-inline LLColor4 operator+(const LLColor4 &a, const LLColor4 &b)
-{
- return LLColor4(
- a.mV[VX] + b.mV[VX],
- a.mV[VY] + b.mV[VY],
- a.mV[VZ] + b.mV[VZ],
- a.mV[VW] + b.mV[VW]);
-}
-
-inline LLColor4 operator-(const LLColor4 &a, const LLColor4 &b)
-{
- return LLColor4(
- a.mV[VX] - b.mV[VX],
- a.mV[VY] - b.mV[VY],
- a.mV[VZ] - b.mV[VZ],
- a.mV[VW] - b.mV[VW]);
-}
-
-inline LLColor4 operator*(const LLColor4 &a, const LLColor4 &b)
-{
- return LLColor4(
- a.mV[VX] * b.mV[VX],
- a.mV[VY] * b.mV[VY],
- a.mV[VZ] * b.mV[VZ],
- a.mV[VW] * b.mV[VW]);
-}
-
-inline LLColor4 operator*(const LLColor4 &a, F32 k)
-{
- // only affects rgb (not a!)
- return LLColor4(
- a.mV[VX] * k,
- a.mV[VY] * k,
- a.mV[VZ] * k,
- a.mV[VW]);
-}
-
-inline LLColor4 operator/(const LLColor4 &a, F32 k)
-{
- return LLColor4(
- a.mV[VX] / k,
- a.mV[VY] / k,
- a.mV[VZ] / k,
- a.mV[VW]);
-}
-
-inline LLColor4 operator*(F32 k, const LLColor4 &a)
-{
- // only affects rgb (not a!)
- return LLColor4(
- a.mV[VX] * k,
- a.mV[VY] * k,
- a.mV[VZ] * k,
- a.mV[VW]);
-}
-
-inline LLColor4 operator%(F32 k, const LLColor4 &a)
-{
- // only affects alpha (not rgb!)
- return LLColor4(
- a.mV[VX],
- a.mV[VY],
- a.mV[VZ],
- a.mV[VW] * k);
-}
-
-inline LLColor4 operator%(const LLColor4 &a, F32 k)
-{
- // only affects alpha (not rgb!)
- return LLColor4(
- a.mV[VX],
- a.mV[VY],
- a.mV[VZ],
- a.mV[VW] * k);
-}
-
-inline bool operator==(const LLColor4 &a, const LLColor4 &b)
-{
- return ( (a.mV[VX] == b.mV[VX])
- &&(a.mV[VY] == b.mV[VY])
- &&(a.mV[VZ] == b.mV[VZ])
- &&(a.mV[VW] == b.mV[VW]));
-}
-
-inline bool operator!=(const LLColor4 &a, const LLColor4 &b)
-{
- return ( (a.mV[VX] != b.mV[VX])
- ||(a.mV[VY] != b.mV[VY])
- ||(a.mV[VZ] != b.mV[VZ])
- ||(a.mV[VW] != b.mV[VW]));
-}
-
-inline const LLColor4& operator+=(LLColor4 &a, const LLColor4 &b)
-{
- a.mV[VX] += b.mV[VX];
- a.mV[VY] += b.mV[VY];
- a.mV[VZ] += b.mV[VZ];
- a.mV[VW] += b.mV[VW];
- return a;
-}
-
-inline const LLColor4& operator-=(LLColor4 &a, const LLColor4 &b)
-{
- a.mV[VX] -= b.mV[VX];
- a.mV[VY] -= b.mV[VY];
- a.mV[VZ] -= b.mV[VZ];
- a.mV[VW] -= b.mV[VW];
- return a;
-}
-
-inline const LLColor4& operator*=(LLColor4 &a, F32 k)
-{
- // only affects rgb (not a!)
- a.mV[VX] *= k;
- a.mV[VY] *= k;
- a.mV[VZ] *= k;
- return a;
-}
-
-inline const LLColor4& operator *=(LLColor4 &a, const LLColor4 &b)
-{
- a.mV[VX] *= b.mV[VX];
- a.mV[VY] *= b.mV[VY];
- a.mV[VZ] *= b.mV[VZ];
-// a.mV[VW] *= b.mV[VW];
- return a;
-}
-
-inline const LLColor4& operator%=(LLColor4 &a, F32 k)
-{
- // only affects alpha (not rgb!)
- a.mV[VW] *= k;
- return a;
-}
-
-
-// Non-member functions
-
-inline F32 distVec(const LLColor4 &a, const LLColor4 &b)
-{
- LLColor4 vec = a - b;
- return (vec.length());
-}
-
-inline F32 distVec_squared(const LLColor4 &a, const LLColor4 &b)
-{
- LLColor4 vec = a - b;
- return (vec.lengthSquared());
-}
-
-inline LLColor4 lerp(const LLColor4 &a, const LLColor4 &b, F32 u)
-{
- return LLColor4(
- a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,
- a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,
- a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,
- a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);
-}
-
-inline bool LLColor4::operator<(const LLColor4& rhs) const
-{
- if (mV[0] != rhs.mV[0])
- {
- return mV[0] < rhs.mV[0];
- }
- if (mV[1] != rhs.mV[1])
- {
- return mV[1] < rhs.mV[1];
- }
- if (mV[2] != rhs.mV[2])
- {
- return mV[2] < rhs.mV[2];
- }
-
- return mV[3] < rhs.mV[3];
-}
-
-void LLColor4::clamp()
-{
- // Clamp the color...
- if (mV[0] < 0.f)
- {
- mV[0] = 0.f;
- }
- else if (mV[0] > 1.f)
- {
- mV[0] = 1.f;
- }
- if (mV[1] < 0.f)
- {
- mV[1] = 0.f;
- }
- else if (mV[1] > 1.f)
- {
- mV[1] = 1.f;
- }
- if (mV[2] < 0.f)
- {
- mV[2] = 0.f;
- }
- else if (mV[2] > 1.f)
- {
- mV[2] = 1.f;
- }
- if (mV[3] < 0.f)
- {
- mV[3] = 0.f;
- }
- else if (mV[3] > 1.f)
- {
- mV[3] = 1.f;
- }
-}
-
-// Return the given linear space color value in gamma corrected (sRGB) space
-inline const LLColor4 srgbColor4(const LLColor4 &a) {
- LLColor4 srgbColor;
-
- srgbColor.mV[0] = linearTosRGB(a.mV[0]);
- srgbColor.mV[1] = linearTosRGB(a.mV[1]);
- srgbColor.mV[2] = linearTosRGB(a.mV[2]);
- srgbColor.mV[3] = a.mV[3];
-
- return srgbColor;
-}
-
-// Return the given gamma corrected (sRGB) color in linear space
-inline const LLColor4 linearColor4(const LLColor4 &a)
-{
- LLColor4 linearColor;
- linearColor.mV[0] = sRGBtoLinear(a.mV[0]);
- linearColor.mV[1] = sRGBtoLinear(a.mV[1]);
- linearColor.mV[2] = sRGBtoLinear(a.mV[2]);
- linearColor.mV[3] = a.mV[3];
-
- return linearColor;
-}
-
-template<typename T>
-const LLColor4& LLColor4::set(const std::vector<T>& v)
-{
- for (S32 i = 0; i < llmin((S32)v.size(), 4); ++i)
- {
- mV[i] = v[i];
- }
-
- return *this;
-}
-
-template<typename T>
-void LLColor4::write(std::vector<T>& v) const
-{
- for (int i = 0; i < llmin((S32)v.size(), 4); ++i)
- {
- v[i] = mV[i];
- }
-}
-
-#endif
-
+/**
+ * @file v4color.h
+ * @brief LLColor4 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_V4COLOR_H
+#define LL_V4COLOR_H
+
+#include "llerror.h"
+//#include "vmath.h"
+#include "llmath.h"
+#include "llsd.h"
+
+class LLColor3;
+class LLColor4U;
+class LLVector4;
+
+// LLColor4 = |x y z w|
+
+static const U32 LENGTHOFCOLOR4 = 4;
+
+static const U32 MAX_LENGTH_OF_COLOR_NAME = 15; //Give plenty of room for additional colors...
+
+class LLColor4
+{
+ public:
+ F32 mV[LENGTHOFCOLOR4];
+ LLColor4(); // Initializes LLColor4 to (0, 0, 0, 1)
+ LLColor4(F32 r, F32 g, F32 b); // Initializes LLColor4 to (r, g, b, 1)
+ LLColor4(F32 r, F32 g, F32 b, F32 a); // Initializes LLColor4 to (r. g, b, a)
+ LLColor4(const LLColor3 &vec, F32 a = 1.f); // Initializes LLColor4 to (vec, a)
+ explicit LLColor4(const LLSD& sd);
+ explicit LLColor4(const F32 *vec); // Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1)
+ explicit LLColor4(U32 clr); // Initializes LLColor4 to (r=clr>>24, etc))
+ explicit LLColor4(const LLColor4U& color4u); // "explicit" to avoid automatic conversion
+ explicit LLColor4(const LLVector4& vector4); // "explicit" to avoid automatic conversion
+
+ LLSD getValue() const
+ {
+ LLSD ret;
+ ret[0] = mV[0];
+ ret[1] = mV[1];
+ ret[2] = mV[2];
+ ret[3] = mV[3];
+ return ret;
+ }
+
+ void setValue(const LLSD& sd);
+
+ void setHSL(F32 hue, F32 saturation, F32 luminance);
+ void calcHSL(F32* hue, F32* saturation, F32* luminance) const;
+
+ const LLColor4& setToBlack(); // zero LLColor4 to (0, 0, 0, 1)
+ const LLColor4& setToWhite(); // zero LLColor4 to (0, 0, 0, 1)
+
+ const LLColor4& setVec(F32 r, F32 g, F32 b, F32 a); // deprecated -- use set()
+ const LLColor4& setVec(F32 r, F32 g, F32 b); // deprecated -- use set()
+ const LLColor4& setVec(const LLColor4 &vec); // deprecated -- use set()
+ const LLColor4& setVec(const LLColor3 &vec); // deprecated -- use set()
+ const LLColor4& setVec(const LLColor3 &vec, F32 a); // deprecated -- use set()
+ const LLColor4& setVec(const F32 *vec); // deprecated -- use set()
+ const LLColor4& setVec(const LLColor4U& color4u); // deprecated -- use set()
+
+ const LLColor4& set(F32 r, F32 g, F32 b, F32 a); // Sets LLColor4 to (r, g, b, a)
+ const LLColor4& set(F32 r, F32 g, F32 b); // Sets LLColor4 to (r, g, b) (no change in a)
+ const LLColor4& set(const LLColor4 &vec); // Sets LLColor4 to vec
+ const LLColor4& set(const LLColor3 &vec); // Sets LLColor4 to LLColor3 vec (no change in alpha)
+ const LLColor4& set(const LLColor3 &vec, F32 a); // Sets LLColor4 to LLColor3 vec, with alpha specified
+ const LLColor4& set(const F32 *vec); // Sets LLColor4 to vec
+ const LLColor4& set(const F64 *vec); // Sets LLColor4 to (double)vec
+ const LLColor4& set(const LLColor4U& color4u); // Sets LLColor4 to color4u, rescaled.
+
+ // set from a vector of unknown type and size
+ // may leave some data unmodified
+ template<typename T>
+ const LLColor4& set(const std::vector<T>& v);
+
+ // write to a vector of unknown type and size
+ // maye leave some data unmodified
+ template<typename T>
+ void write(std::vector<T>& v) const;
+
+ const LLColor4& setAlpha(F32 a);
+
+ F32 magVec() const; // deprecated -- use length()
+ F32 magVecSquared() const; // deprecated -- use lengthSquared()
+ F32 normVec(); // deprecated -- use normalize()
+
+ F32 length() const; // Returns magnitude of LLColor4
+ F32 lengthSquared() const; // Returns magnitude squared of LLColor4
+ F32 normalize(); // deprecated -- use normalize()
+
+ bool isOpaque() { return mV[VALPHA] == 1.f; }
+
+ F32 operator[](int idx) const { return mV[idx]; }
+ F32 &operator[](int idx) { return mV[idx]; }
+
+ const LLColor4& operator=(const LLColor3 &a); // Assigns vec3 to vec4 and returns vec4
+
+ bool operator<(const LLColor4& rhs) const;
+ friend std::ostream& operator<<(std::ostream& s, const LLColor4 &a); // Print a
+ friend LLColor4 operator+(const LLColor4 &a, const LLColor4 &b); // Return vector a + b
+ friend LLColor4 operator-(const LLColor4 &a, const LLColor4 &b); // Return vector a minus b
+ friend LLColor4 operator*(const LLColor4 &a, const LLColor4 &b); // Return component wise a * b
+ friend LLColor4 operator*(const LLColor4 &a, F32 k); // Return rgb times scaler k (no alpha change)
+ friend LLColor4 operator/(const LLColor4 &a, F32 k); // Return rgb divided by scalar k (no alpha change)
+ friend LLColor4 operator*(F32 k, const LLColor4 &a); // Return rgb times scaler k (no alpha change)
+ friend LLColor4 operator%(const LLColor4 &a, F32 k); // Return alpha times scaler k (no rgb change)
+ friend LLColor4 operator%(F32 k, const LLColor4 &a); // Return alpha times scaler k (no rgb change)
+
+ friend bool operator==(const LLColor4 &a, const LLColor4 &b); // Return a == b
+ friend bool operator!=(const LLColor4 &a, const LLColor4 &b); // Return a != b
+
+ friend bool operator==(const LLColor4 &a, const LLColor3 &b); // Return a == b
+ friend bool operator!=(const LLColor4 &a, const LLColor3 &b); // Return a != b
+
+ friend const LLColor4& operator+=(LLColor4 &a, const LLColor4 &b); // Return vector a + b
+ friend const LLColor4& operator-=(LLColor4 &a, const LLColor4 &b); // Return vector a minus b
+ friend const LLColor4& operator*=(LLColor4 &a, F32 k); // Return rgb times scaler k (no alpha change)
+ friend const LLColor4& operator%=(LLColor4 &a, F32 k); // Return alpha times scaler k (no rgb change)
+
+ friend const LLColor4& operator*=(LLColor4 &a, const LLColor4 &b); // Doesn't multiply alpha! (for lighting)
+
+ // conversion
+ operator LLColor4U() const;
+
+ // Basic color values.
+ static LLColor4 red;
+ static LLColor4 green;
+ static LLColor4 blue;
+ static LLColor4 black;
+ static LLColor4 white;
+ static LLColor4 yellow;
+ static LLColor4 magenta;
+ static LLColor4 cyan;
+ static LLColor4 smoke;
+ static LLColor4 grey;
+ static LLColor4 orange;
+ static LLColor4 purple;
+ static LLColor4 pink;
+ static LLColor4 transparent;
+
+ // Extra color values.
+ static LLColor4 grey1;
+ static LLColor4 grey2;
+ static LLColor4 grey3;
+ static LLColor4 grey4;
+
+ static LLColor4 red1;
+ static LLColor4 red2;
+ static LLColor4 red3;
+ static LLColor4 red4;
+ static LLColor4 red5;
+
+ static LLColor4 green1;
+ static LLColor4 green2;
+ static LLColor4 green3;
+ static LLColor4 green4;
+ static LLColor4 green5;
+ static LLColor4 green6;
+
+ static LLColor4 blue1;
+ static LLColor4 blue2;
+ static LLColor4 blue3;
+ static LLColor4 blue4;
+ static LLColor4 blue5;
+ static LLColor4 blue6;
+
+ static LLColor4 yellow1;
+ static LLColor4 yellow2;
+ static LLColor4 yellow3;
+ static LLColor4 yellow4;
+ static LLColor4 yellow5;
+ static LLColor4 yellow6;
+ static LLColor4 yellow7;
+ static LLColor4 yellow8;
+ static LLColor4 yellow9;
+
+ static LLColor4 orange1;
+ static LLColor4 orange2;
+ static LLColor4 orange3;
+ static LLColor4 orange4;
+ static LLColor4 orange5;
+ static LLColor4 orange6;
+
+ static LLColor4 magenta1;
+ static LLColor4 magenta2;
+ static LLColor4 magenta3;
+ static LLColor4 magenta4;
+
+ static LLColor4 purple1;
+ static LLColor4 purple2;
+ static LLColor4 purple3;
+ static LLColor4 purple4;
+ static LLColor4 purple5;
+ static LLColor4 purple6;
+
+ static LLColor4 pink1;
+ static LLColor4 pink2;
+
+ static LLColor4 cyan1;
+ static LLColor4 cyan2;
+ static LLColor4 cyan3;
+ static LLColor4 cyan4;
+ static LLColor4 cyan5;
+ static LLColor4 cyan6;
+
+ static bool parseColor(const std::string& buf, LLColor4* color);
+ static bool parseColor4(const std::string& buf, LLColor4* color);
+
+ inline void clamp();
+};
+
+
+// Non-member functions
+F32 distVec(const LLColor4 &a, const LLColor4 &b); // Returns distance between a and b
+F32 distVec_squared(const LLColor4 &a, const LLColor4 &b); // Returns distance squared between a and b
+LLColor3 vec4to3(const LLColor4 &vec);
+LLColor4 vec3to4(const LLColor3 &vec);
+LLColor4 lerp(const LLColor4 &a, const LLColor4 &b, F32 u);
+
+inline LLColor4::LLColor4(void)
+{
+ mV[VX] = 0.f;
+ mV[VY] = 0.f;
+ mV[VZ] = 0.f;
+ mV[VW] = 1.f;
+}
+
+inline LLColor4::LLColor4(const LLSD& sd)
+{
+ this->setValue(sd);
+}
+
+inline LLColor4::LLColor4(F32 r, F32 g, F32 b)
+{
+ mV[VX] = r;
+ mV[VY] = g;
+ mV[VZ] = b;
+ mV[VW] = 1.f;
+}
+
+inline LLColor4::LLColor4(F32 r, F32 g, F32 b, F32 a)
+{
+ mV[VX] = r;
+ mV[VY] = g;
+ mV[VZ] = b;
+ mV[VW] = a;
+}
+
+inline LLColor4::LLColor4(U32 clr)
+{
+ mV[VX] = (clr&0xff) * (1.0f/255.0f);
+ mV[VY] = ((clr>>8)&0xff) * (1.0f/255.0f);
+ mV[VZ] = ((clr>>16)&0xff) * (1.0f/255.0f);
+ mV[VW] = (clr>>24) * (1.0f/255.0f);
+}
+
+
+inline LLColor4::LLColor4(const F32 *vec)
+{
+ mV[VX] = vec[VX];
+ mV[VY] = vec[VY];
+ mV[VZ] = vec[VZ];
+ mV[VW] = vec[VW];
+}
+
+inline const LLColor4& LLColor4::setToBlack(void)
+{
+ mV[VX] = 0.f;
+ mV[VY] = 0.f;
+ mV[VZ] = 0.f;
+ mV[VW] = 1.f;
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::setToWhite(void)
+{
+ mV[VX] = 1.f;
+ mV[VY] = 1.f;
+ mV[VZ] = 1.f;
+ mV[VW] = 1.f;
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::set(F32 x, F32 y, F32 z)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+
+// no change to alpha!
+// mV[VW] = 1.f;
+
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::set(F32 x, F32 y, F32 z, F32 a)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+ mV[VW] = a;
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::set(const LLColor4 &vec)
+{
+ mV[VX] = vec.mV[VX];
+ mV[VY] = vec.mV[VY];
+ mV[VZ] = vec.mV[VZ];
+ mV[VW] = vec.mV[VW];
+ return (*this);
+}
+
+
+inline const LLColor4& LLColor4::set(const F32 *vec)
+{
+ mV[VX] = vec[VX];
+ mV[VY] = vec[VY];
+ mV[VZ] = vec[VZ];
+ mV[VW] = vec[VW];
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::set(const F64 *vec)
+{
+ mV[VX] = static_cast<F32>(vec[VX]);
+ mV[VY] = static_cast<F32>(vec[VY]);
+ mV[VZ] = static_cast<F32>(vec[VZ]);
+ mV[VW] = static_cast<F32>(vec[VW]);
+ return (*this);
+}
+
+// deprecated
+inline const LLColor4& LLColor4::setVec(F32 x, F32 y, F32 z)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+
+// no change to alpha!
+// mV[VW] = 1.f;
+
+ return (*this);
+}
+
+// deprecated
+inline const LLColor4& LLColor4::setVec(F32 x, F32 y, F32 z, F32 a)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+ mV[VW] = a;
+ return (*this);
+}
+
+// deprecated
+inline const LLColor4& LLColor4::setVec(const LLColor4 &vec)
+{
+ mV[VX] = vec.mV[VX];
+ mV[VY] = vec.mV[VY];
+ mV[VZ] = vec.mV[VZ];
+ mV[VW] = vec.mV[VW];
+ return (*this);
+}
+
+
+// deprecated
+inline const LLColor4& LLColor4::setVec(const F32 *vec)
+{
+ mV[VX] = vec[VX];
+ mV[VY] = vec[VY];
+ mV[VZ] = vec[VZ];
+ mV[VW] = vec[VW];
+ return (*this);
+}
+
+inline const LLColor4& LLColor4::setAlpha(F32 a)
+{
+ mV[VW] = a;
+ return (*this);
+}
+
+// LLColor4 Magnitude and Normalization Functions
+
+inline F32 LLColor4::length(void) const
+{
+ return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+}
+
+inline F32 LLColor4::lengthSquared(void) const
+{
+ return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
+}
+
+inline F32 LLColor4::normalize(void)
+{
+ F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+ F32 oomag;
+
+ if (mag)
+ {
+ oomag = 1.f/mag;
+ mV[VX] *= oomag;
+ mV[VY] *= oomag;
+ mV[VZ] *= oomag;
+ }
+ return (mag);
+}
+
+// deprecated
+inline F32 LLColor4::magVec(void) const
+{
+ return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+}
+
+// deprecated
+inline F32 LLColor4::magVecSquared(void) const
+{
+ return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
+}
+
+// deprecated
+inline F32 LLColor4::normVec(void)
+{
+ F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+ F32 oomag;
+
+ if (mag)
+ {
+ oomag = 1.f/mag;
+ mV[VX] *= oomag;
+ mV[VY] *= oomag;
+ mV[VZ] *= oomag;
+ }
+ return (mag);
+}
+
+// LLColor4 Operators
+
+
+inline LLColor4 operator+(const LLColor4 &a, const LLColor4 &b)
+{
+ return LLColor4(
+ a.mV[VX] + b.mV[VX],
+ a.mV[VY] + b.mV[VY],
+ a.mV[VZ] + b.mV[VZ],
+ a.mV[VW] + b.mV[VW]);
+}
+
+inline LLColor4 operator-(const LLColor4 &a, const LLColor4 &b)
+{
+ return LLColor4(
+ a.mV[VX] - b.mV[VX],
+ a.mV[VY] - b.mV[VY],
+ a.mV[VZ] - b.mV[VZ],
+ a.mV[VW] - b.mV[VW]);
+}
+
+inline LLColor4 operator*(const LLColor4 &a, const LLColor4 &b)
+{
+ return LLColor4(
+ a.mV[VX] * b.mV[VX],
+ a.mV[VY] * b.mV[VY],
+ a.mV[VZ] * b.mV[VZ],
+ a.mV[VW] * b.mV[VW]);
+}
+
+inline LLColor4 operator*(const LLColor4 &a, F32 k)
+{
+ // only affects rgb (not a!)
+ return LLColor4(
+ a.mV[VX] * k,
+ a.mV[VY] * k,
+ a.mV[VZ] * k,
+ a.mV[VW]);
+}
+
+inline LLColor4 operator/(const LLColor4 &a, F32 k)
+{
+ return LLColor4(
+ a.mV[VX] / k,
+ a.mV[VY] / k,
+ a.mV[VZ] / k,
+ a.mV[VW]);
+}
+
+inline LLColor4 operator*(F32 k, const LLColor4 &a)
+{
+ // only affects rgb (not a!)
+ return LLColor4(
+ a.mV[VX] * k,
+ a.mV[VY] * k,
+ a.mV[VZ] * k,
+ a.mV[VW]);
+}
+
+inline LLColor4 operator%(F32 k, const LLColor4 &a)
+{
+ // only affects alpha (not rgb!)
+ return LLColor4(
+ a.mV[VX],
+ a.mV[VY],
+ a.mV[VZ],
+ a.mV[VW] * k);
+}
+
+inline LLColor4 operator%(const LLColor4 &a, F32 k)
+{
+ // only affects alpha (not rgb!)
+ return LLColor4(
+ a.mV[VX],
+ a.mV[VY],
+ a.mV[VZ],
+ a.mV[VW] * k);
+}
+
+inline bool operator==(const LLColor4 &a, const LLColor4 &b)
+{
+ return ( (a.mV[VX] == b.mV[VX])
+ &&(a.mV[VY] == b.mV[VY])
+ &&(a.mV[VZ] == b.mV[VZ])
+ &&(a.mV[VW] == b.mV[VW]));
+}
+
+inline bool operator!=(const LLColor4 &a, const LLColor4 &b)
+{
+ return ( (a.mV[VX] != b.mV[VX])
+ ||(a.mV[VY] != b.mV[VY])
+ ||(a.mV[VZ] != b.mV[VZ])
+ ||(a.mV[VW] != b.mV[VW]));
+}
+
+inline const LLColor4& operator+=(LLColor4 &a, const LLColor4 &b)
+{
+ a.mV[VX] += b.mV[VX];
+ a.mV[VY] += b.mV[VY];
+ a.mV[VZ] += b.mV[VZ];
+ a.mV[VW] += b.mV[VW];
+ return a;
+}
+
+inline const LLColor4& operator-=(LLColor4 &a, const LLColor4 &b)
+{
+ a.mV[VX] -= b.mV[VX];
+ a.mV[VY] -= b.mV[VY];
+ a.mV[VZ] -= b.mV[VZ];
+ a.mV[VW] -= b.mV[VW];
+ return a;
+}
+
+inline const LLColor4& operator*=(LLColor4 &a, F32 k)
+{
+ // only affects rgb (not a!)
+ a.mV[VX] *= k;
+ a.mV[VY] *= k;
+ a.mV[VZ] *= k;
+ return a;
+}
+
+inline const LLColor4& operator *=(LLColor4 &a, const LLColor4 &b)
+{
+ a.mV[VX] *= b.mV[VX];
+ a.mV[VY] *= b.mV[VY];
+ a.mV[VZ] *= b.mV[VZ];
+// a.mV[VW] *= b.mV[VW];
+ return a;
+}
+
+inline const LLColor4& operator%=(LLColor4 &a, F32 k)
+{
+ // only affects alpha (not rgb!)
+ a.mV[VW] *= k;
+ return a;
+}
+
+
+// Non-member functions
+
+inline F32 distVec(const LLColor4 &a, const LLColor4 &b)
+{
+ LLColor4 vec = a - b;
+ return (vec.length());
+}
+
+inline F32 distVec_squared(const LLColor4 &a, const LLColor4 &b)
+{
+ LLColor4 vec = a - b;
+ return (vec.lengthSquared());
+}
+
+inline LLColor4 lerp(const LLColor4 &a, const LLColor4 &b, F32 u)
+{
+ return LLColor4(
+ a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,
+ a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,
+ a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,
+ a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);
+}
+
+inline bool LLColor4::operator<(const LLColor4& rhs) const
+{
+ if (mV[0] != rhs.mV[0])
+ {
+ return mV[0] < rhs.mV[0];
+ }
+ if (mV[1] != rhs.mV[1])
+ {
+ return mV[1] < rhs.mV[1];
+ }
+ if (mV[2] != rhs.mV[2])
+ {
+ return mV[2] < rhs.mV[2];
+ }
+
+ return mV[3] < rhs.mV[3];
+}
+
+void LLColor4::clamp()
+{
+ // Clamp the color...
+ if (mV[0] < 0.f)
+ {
+ mV[0] = 0.f;
+ }
+ else if (mV[0] > 1.f)
+ {
+ mV[0] = 1.f;
+ }
+ if (mV[1] < 0.f)
+ {
+ mV[1] = 0.f;
+ }
+ else if (mV[1] > 1.f)
+ {
+ mV[1] = 1.f;
+ }
+ if (mV[2] < 0.f)
+ {
+ mV[2] = 0.f;
+ }
+ else if (mV[2] > 1.f)
+ {
+ mV[2] = 1.f;
+ }
+ if (mV[3] < 0.f)
+ {
+ mV[3] = 0.f;
+ }
+ else if (mV[3] > 1.f)
+ {
+ mV[3] = 1.f;
+ }
+}
+
+// Return the given linear space color value in gamma corrected (sRGB) space
+inline const LLColor4 srgbColor4(const LLColor4 &a) {
+ LLColor4 srgbColor;
+
+ srgbColor.mV[0] = linearTosRGB(a.mV[0]);
+ srgbColor.mV[1] = linearTosRGB(a.mV[1]);
+ srgbColor.mV[2] = linearTosRGB(a.mV[2]);
+ srgbColor.mV[3] = a.mV[3];
+
+ return srgbColor;
+}
+
+// Return the given gamma corrected (sRGB) color in linear space
+inline const LLColor4 linearColor4(const LLColor4 &a)
+{
+ LLColor4 linearColor;
+ linearColor.mV[0] = sRGBtoLinear(a.mV[0]);
+ linearColor.mV[1] = sRGBtoLinear(a.mV[1]);
+ linearColor.mV[2] = sRGBtoLinear(a.mV[2]);
+ linearColor.mV[3] = a.mV[3];
+
+ return linearColor;
+}
+
+template<typename T>
+const LLColor4& LLColor4::set(const std::vector<T>& v)
+{
+ for (S32 i = 0; i < llmin((S32)v.size(), 4); ++i)
+ {
+ mV[i] = v[i];
+ }
+
+ return *this;
+}
+
+template<typename T>
+void LLColor4::write(std::vector<T>& v) const
+{
+ for (int i = 0; i < llmin((S32)v.size(), 4); ++i)
+ {
+ v[i] = mV[i];
+ }
+}
+
+#endif
+