diff options
Diffstat (limited to 'indra/llmath/v4coloru.h')
-rw-r--r-- | indra/llmath/v4coloru.h | 738 |
1 files changed, 369 insertions, 369 deletions
diff --git a/indra/llmath/v4coloru.h b/indra/llmath/v4coloru.h index 0f2eff3d14..ecfecc167f 100644 --- a/indra/llmath/v4coloru.h +++ b/indra/llmath/v4coloru.h @@ -1,25 +1,25 @@ -/** +/** * @file v4coloru.h * @brief The LLColor4U class. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ @@ -47,538 +47,538 @@ class LLColor4U { public: - U8 mV[LENGTHOFCOLOR4U]; - - LLColor4U(); // Initializes LLColor4U to (0, 0, 0, 1) - LLColor4U(U8 r, U8 g, U8 b); // Initializes LLColor4U to (r, g, b, 1) - LLColor4U(U8 r, U8 g, U8 b, U8 a); // Initializes LLColor4U to (r. g, b, a) - LLColor4U(const U8 *vec); // Initializes LLColor4U to (vec[0]. vec[1], vec[2], 1) - explicit LLColor4U(const LLSD& sd) - { - setValue(sd); - } - - void setValue(const LLSD& sd) - { - mV[0] = sd[0].asInteger(); - mV[1] = sd[1].asInteger(); - mV[2] = sd[2].asInteger(); - mV[3] = sd[3].asInteger(); - } - - LLSD getValue() const - { - LLSD ret; - ret[0] = mV[0]; - ret[1] = mV[1]; - ret[2] = mV[2]; - ret[3] = mV[3]; - return ret; - } - - const LLColor4U& setToBlack(); // zero LLColor4U to (0, 0, 0, 1) - const LLColor4U& setToWhite(); // zero LLColor4U to (0, 0, 0, 1) - - const LLColor4U& set(U8 r, U8 g, U8 b, U8 a);// Sets LLColor4U to (r, g, b, a) - const LLColor4U& set(U8 r, U8 g, U8 b); // Sets LLColor4U to (r, g, b) (no change in a) - const LLColor4U& set(const LLColor4U &vec); // Sets LLColor4U to vec - const LLColor4U& set(const U8 *vec); // Sets LLColor4U to vec - - const LLColor4U& setVec(U8 r, U8 g, U8 b, U8 a); // deprecated -- use set() - const LLColor4U& setVec(U8 r, U8 g, U8 b); // deprecated -- use set() - const LLColor4U& setVec(const LLColor4U &vec); // deprecated -- use set() - const LLColor4U& setVec(const U8 *vec); // deprecated -- use set() - - const LLColor4U& setAlpha(U8 a); - - F32 magVec() const; // deprecated -- use length() - F32 magVecSquared() const; // deprecated -- use lengthSquared() - - F32 length() const; // Returns magnitude squared of LLColor4U - F32 lengthSquared() const; // Returns magnitude squared of LLColor4U - - friend std::ostream& operator<<(std::ostream& s, const LLColor4U &a); // Print a - friend LLColor4U operator+(const LLColor4U &a, const LLColor4U &b); // Return vector a + b - friend LLColor4U operator-(const LLColor4U &a, const LLColor4U &b); // Return vector a minus b - friend LLColor4U operator*(const LLColor4U &a, const LLColor4U &b); // Return a * b - friend bool operator==(const LLColor4U &a, const LLColor4U &b); // Return a == b - friend bool operator!=(const LLColor4U &a, const LLColor4U &b); // Return a != b - - friend const LLColor4U& operator+=(LLColor4U &a, const LLColor4U &b); // Return vector a + b - friend const LLColor4U& operator-=(LLColor4U &a, const LLColor4U &b); // Return vector a minus b - friend const LLColor4U& operator*=(LLColor4U &a, U8 k); // Return rgb times scaler k (no alpha change) - friend const LLColor4U& operator%=(LLColor4U &a, U8 k); // Return alpha times scaler k (no rgb change) - - LLColor4U addClampMax(const LLColor4U &color); // Add and clamp the max - - LLColor4U multAll(const F32 k); // Multiply ALL channels by scalar k - const LLColor4U& combine(); - - inline void setVecScaleClamp(const LLColor3 &color); - inline void setVecScaleClamp(const LLColor4 &color); - - static BOOL parseColor4U(const std::string& buf, LLColor4U* value); - - // conversion - operator LLColor4() const - { - return LLColor4(*this); - } - - U32 asRGBA() const; - void fromRGBA( U32 aVal ); - - static LLColor4U white; - static LLColor4U black; - static LLColor4U red; - static LLColor4U green; - static LLColor4U blue; + U8 mV[LENGTHOFCOLOR4U]; + + LLColor4U(); // Initializes LLColor4U to (0, 0, 0, 1) + LLColor4U(U8 r, U8 g, U8 b); // Initializes LLColor4U to (r, g, b, 1) + LLColor4U(U8 r, U8 g, U8 b, U8 a); // Initializes LLColor4U to (r. g, b, a) + LLColor4U(const U8 *vec); // Initializes LLColor4U to (vec[0]. vec[1], vec[2], 1) + explicit LLColor4U(const LLSD& sd) + { + setValue(sd); + } + + void setValue(const LLSD& sd) + { + mV[0] = sd[0].asInteger(); + mV[1] = sd[1].asInteger(); + mV[2] = sd[2].asInteger(); + mV[3] = sd[3].asInteger(); + } + + LLSD getValue() const + { + LLSD ret; + ret[0] = mV[0]; + ret[1] = mV[1]; + ret[2] = mV[2]; + ret[3] = mV[3]; + return ret; + } + + const LLColor4U& setToBlack(); // zero LLColor4U to (0, 0, 0, 1) + const LLColor4U& setToWhite(); // zero LLColor4U to (0, 0, 0, 1) + + const LLColor4U& set(U8 r, U8 g, U8 b, U8 a);// Sets LLColor4U to (r, g, b, a) + const LLColor4U& set(U8 r, U8 g, U8 b); // Sets LLColor4U to (r, g, b) (no change in a) + const LLColor4U& set(const LLColor4U &vec); // Sets LLColor4U to vec + const LLColor4U& set(const U8 *vec); // Sets LLColor4U to vec + + const LLColor4U& setVec(U8 r, U8 g, U8 b, U8 a); // deprecated -- use set() + const LLColor4U& setVec(U8 r, U8 g, U8 b); // deprecated -- use set() + const LLColor4U& setVec(const LLColor4U &vec); // deprecated -- use set() + const LLColor4U& setVec(const U8 *vec); // deprecated -- use set() + + const LLColor4U& setAlpha(U8 a); + + F32 magVec() const; // deprecated -- use length() + F32 magVecSquared() const; // deprecated -- use lengthSquared() + + F32 length() const; // Returns magnitude squared of LLColor4U + F32 lengthSquared() const; // Returns magnitude squared of LLColor4U + + friend std::ostream& operator<<(std::ostream& s, const LLColor4U &a); // Print a + friend LLColor4U operator+(const LLColor4U &a, const LLColor4U &b); // Return vector a + b + friend LLColor4U operator-(const LLColor4U &a, const LLColor4U &b); // Return vector a minus b + friend LLColor4U operator*(const LLColor4U &a, const LLColor4U &b); // Return a * b + friend bool operator==(const LLColor4U &a, const LLColor4U &b); // Return a == b + friend bool operator!=(const LLColor4U &a, const LLColor4U &b); // Return a != b + + friend const LLColor4U& operator+=(LLColor4U &a, const LLColor4U &b); // Return vector a + b + friend const LLColor4U& operator-=(LLColor4U &a, const LLColor4U &b); // Return vector a minus b + friend const LLColor4U& operator*=(LLColor4U &a, U8 k); // Return rgb times scaler k (no alpha change) + friend const LLColor4U& operator%=(LLColor4U &a, U8 k); // Return alpha times scaler k (no rgb change) + + LLColor4U addClampMax(const LLColor4U &color); // Add and clamp the max + + LLColor4U multAll(const F32 k); // Multiply ALL channels by scalar k + const LLColor4U& combine(); + + inline void setVecScaleClamp(const LLColor3 &color); + inline void setVecScaleClamp(const LLColor4 &color); + + static BOOL parseColor4U(const std::string& buf, LLColor4U* value); + + // conversion + operator LLColor4() const + { + return LLColor4(*this); + } + + U32 asRGBA() const; + void fromRGBA( U32 aVal ); + + static LLColor4U white; + static LLColor4U black; + static LLColor4U red; + static LLColor4U green; + static LLColor4U blue; }; -// Non-member functions -F32 distVec(const LLColor4U &a, const LLColor4U &b); // Returns distance between a and b -F32 distVec_squared(const LLColor4U &a, const LLColor4U &b); // Returns distance squared between a and b +// Non-member functions +F32 distVec(const LLColor4U &a, const LLColor4U &b); // Returns distance between a and b +F32 distVec_squared(const LLColor4U &a, const LLColor4U &b); // Returns distance squared between a and b inline LLColor4U::LLColor4U() { - mV[VX] = 0; - mV[VY] = 0; - mV[VZ] = 0; - mV[VW] = 255; + mV[VX] = 0; + mV[VY] = 0; + mV[VZ] = 0; + mV[VW] = 255; } inline LLColor4U::LLColor4U(U8 r, U8 g, U8 b) { - mV[VX] = r; - mV[VY] = g; - mV[VZ] = b; - mV[VW] = 255; + mV[VX] = r; + mV[VY] = g; + mV[VZ] = b; + mV[VW] = 255; } inline LLColor4U::LLColor4U(U8 r, U8 g, U8 b, U8 a) { - mV[VX] = r; - mV[VY] = g; - mV[VZ] = b; - mV[VW] = a; + mV[VX] = r; + mV[VY] = g; + mV[VZ] = b; + mV[VW] = a; } inline LLColor4U::LLColor4U(const U8 *vec) { - mV[VX] = vec[VX]; - mV[VY] = vec[VY]; - mV[VZ] = vec[VZ]; - mV[VW] = vec[VW]; + mV[VX] = vec[VX]; + mV[VY] = vec[VY]; + mV[VZ] = vec[VZ]; + mV[VW] = vec[VW]; } /* inline LLColor4U::operator LLColor4() { - return(LLColor4((F32)mV[VRED]/255.f,(F32)mV[VGREEN]/255.f,(F32)mV[VBLUE]/255.f,(F32)mV[VALPHA]/255.f)); + return(LLColor4((F32)mV[VRED]/255.f,(F32)mV[VGREEN]/255.f,(F32)mV[VBLUE]/255.f,(F32)mV[VALPHA]/255.f)); } */ -inline const LLColor4U& LLColor4U::setToBlack(void) +inline const LLColor4U& LLColor4U::setToBlack(void) { - mV[VX] = 0; - mV[VY] = 0; - mV[VZ] = 0; - mV[VW] = 255; - return (*this); + mV[VX] = 0; + mV[VY] = 0; + mV[VZ] = 0; + mV[VW] = 255; + return (*this); } -inline const LLColor4U& LLColor4U::setToWhite(void) +inline const LLColor4U& LLColor4U::setToWhite(void) { - mV[VX] = 255; - mV[VY] = 255; - mV[VZ] = 255; - mV[VW] = 255; - return (*this); + mV[VX] = 255; + mV[VY] = 255; + mV[VZ] = 255; + mV[VW] = 255; + return (*this); } -inline const LLColor4U& LLColor4U::set(const U8 x, const U8 y, const U8 z) +inline const LLColor4U& LLColor4U::set(const U8 x, const U8 y, const U8 z) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; + mV[VX] = x; + mV[VY] = y; + mV[VZ] = z; // no change to alpha! -// mV[VW] = 255; +// mV[VW] = 255; - return (*this); + return (*this); } -inline const LLColor4U& LLColor4U::set(const U8 r, const U8 g, const U8 b, U8 a) +inline const LLColor4U& LLColor4U::set(const U8 r, const U8 g, const U8 b, U8 a) { - mV[0] = r; - mV[1] = g; - mV[2] = b; - mV[3] = a; - return (*this); + mV[0] = r; + mV[1] = g; + mV[2] = b; + mV[3] = a; + return (*this); } -inline const LLColor4U& LLColor4U::set(const LLColor4U &vec) +inline const LLColor4U& LLColor4U::set(const LLColor4U &vec) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = vec.mV[VW]; - return (*this); + mV[VX] = vec.mV[VX]; + mV[VY] = vec.mV[VY]; + mV[VZ] = vec.mV[VZ]; + mV[VW] = vec.mV[VW]; + return (*this); } -inline const LLColor4U& LLColor4U::set(const U8 *vec) +inline const LLColor4U& LLColor4U::set(const U8 *vec) { - mV[VX] = vec[VX]; - mV[VY] = vec[VY]; - mV[VZ] = vec[VZ]; - mV[VW] = vec[VW]; - return (*this); + mV[VX] = vec[VX]; + mV[VY] = vec[VY]; + mV[VZ] = vec[VZ]; + mV[VW] = vec[VW]; + return (*this); } // deprecated -inline const LLColor4U& LLColor4U::setVec(const U8 x, const U8 y, const U8 z) +inline const LLColor4U& LLColor4U::setVec(const U8 x, const U8 y, const U8 z) { - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; + mV[VX] = x; + mV[VY] = y; + mV[VZ] = z; // no change to alpha! -// mV[VW] = 255; +// mV[VW] = 255; - return (*this); + return (*this); } // deprecated -inline const LLColor4U& LLColor4U::setVec(const U8 r, const U8 g, const U8 b, U8 a) +inline const LLColor4U& LLColor4U::setVec(const U8 r, const U8 g, const U8 b, U8 a) { - mV[0] = r; - mV[1] = g; - mV[2] = b; - mV[3] = a; - return (*this); + mV[0] = r; + mV[1] = g; + mV[2] = b; + mV[3] = a; + return (*this); } // deprecated -inline const LLColor4U& LLColor4U::setVec(const LLColor4U &vec) +inline const LLColor4U& LLColor4U::setVec(const LLColor4U &vec) { - mV[VX] = vec.mV[VX]; - mV[VY] = vec.mV[VY]; - mV[VZ] = vec.mV[VZ]; - mV[VW] = vec.mV[VW]; - return (*this); + 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 LLColor4U& LLColor4U::setVec(const U8 *vec) +inline const LLColor4U& LLColor4U::setVec(const U8 *vec) { - mV[VX] = vec[VX]; - mV[VY] = vec[VY]; - mV[VZ] = vec[VZ]; - mV[VW] = vec[VW]; - return (*this); + mV[VX] = vec[VX]; + mV[VY] = vec[VY]; + mV[VZ] = vec[VZ]; + mV[VW] = vec[VW]; + return (*this); } -inline const LLColor4U& LLColor4U::setAlpha(U8 a) +inline const LLColor4U& LLColor4U::setAlpha(U8 a) { - mV[VW] = a; - return (*this); + mV[VW] = a; + return (*this); } // LLColor4U Magnitude and Normalization Functions -inline F32 LLColor4U::length(void) const +inline F32 LLColor4U::length(void) const { - return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] ); + return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] ); } -inline F32 LLColor4U::lengthSquared(void) const +inline F32 LLColor4U::lengthSquared(void) const { - return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ]; + return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ]; } // deprecated -inline F32 LLColor4U::magVec(void) const +inline F32 LLColor4U::magVec(void) const { - return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] ); + return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] ); } // deprecated -inline F32 LLColor4U::magVecSquared(void) const +inline F32 LLColor4U::magVecSquared(void) const { - return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ]; + return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ]; } inline LLColor4U operator+(const LLColor4U &a, const LLColor4U &b) { - return LLColor4U( - 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 LLColor4U( + 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 LLColor4U operator-(const LLColor4U &a, const LLColor4U &b) { - return LLColor4U( - 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 LLColor4U( + 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 LLColor4U operator*(const LLColor4U &a, const LLColor4U &b) { - return LLColor4U( - 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 LLColor4U( + 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 LLColor4U LLColor4U::addClampMax(const LLColor4U &color) { - return LLColor4U(llmin((S32)mV[VX] + color.mV[VX], 255), - llmin((S32)mV[VY] + color.mV[VY], 255), - llmin((S32)mV[VZ] + color.mV[VZ], 255), - llmin((S32)mV[VW] + color.mV[VW], 255)); + return LLColor4U(llmin((S32)mV[VX] + color.mV[VX], 255), + llmin((S32)mV[VY] + color.mV[VY], 255), + llmin((S32)mV[VZ] + color.mV[VZ], 255), + llmin((S32)mV[VW] + color.mV[VW], 255)); } inline LLColor4U LLColor4U::multAll(const F32 k) { - // Round to nearest - return LLColor4U( - (U8)ll_round(mV[VX] * k), - (U8)ll_round(mV[VY] * k), - (U8)ll_round(mV[VZ] * k), - (U8)ll_round(mV[VW] * k)); + // Round to nearest + return LLColor4U( + (U8)ll_round(mV[VX] * k), + (U8)ll_round(mV[VY] * k), + (U8)ll_round(mV[VZ] * k), + (U8)ll_round(mV[VW] * k)); } /* inline LLColor4U operator*(const LLColor4U &a, U8 k) -{ - // only affects rgb (not a!) - return LLColor4U( - a.mV[VX] * k, - a.mV[VY] * k, - a.mV[VZ] * k, - a.mV[VW]); +{ + // only affects rgb (not a!) + return LLColor4U( + a.mV[VX] * k, + a.mV[VY] * k, + a.mV[VZ] * k, + a.mV[VW]); } inline LLColor4U operator*(U8 k, const LLColor4U &a) { - // only affects rgb (not a!) - return LLColor4U( - a.mV[VX] * k, - a.mV[VY] * k, - a.mV[VZ] * k, - a.mV[VW]); + // only affects rgb (not a!) + return LLColor4U( + a.mV[VX] * k, + a.mV[VY] * k, + a.mV[VZ] * k, + a.mV[VW]); } inline LLColor4U operator%(U8 k, const LLColor4U &a) { - // only affects alpha (not rgb!) - return LLColor4U( - a.mV[VX], - a.mV[VY], - a.mV[VZ], - a.mV[VW] * k ); + // only affects alpha (not rgb!) + return LLColor4U( + a.mV[VX], + a.mV[VY], + a.mV[VZ], + a.mV[VW] * k ); } inline LLColor4U operator%(const LLColor4U &a, U8 k) { - // only affects alpha (not rgb!) - return LLColor4U( - a.mV[VX], - a.mV[VY], - a.mV[VZ], - a.mV[VW] * k ); + // only affects alpha (not rgb!) + return LLColor4U( + a.mV[VX], + a.mV[VY], + a.mV[VZ], + a.mV[VW] * k ); } */ inline bool operator==(const LLColor4U &a, const LLColor4U &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])); + 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 LLColor4U &a, const LLColor4U &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])); + 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 LLColor4U& operator+=(LLColor4U &a, const LLColor4U &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; + 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 LLColor4U& operator-=(LLColor4U &a, const LLColor4U &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; + 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 LLColor4U& operator*=(LLColor4U &a, U8 k) { - // only affects rgb (not a!) - a.mV[VX] *= k; - a.mV[VY] *= k; - a.mV[VZ] *= k; - return a; + // only affects rgb (not a!) + a.mV[VX] *= k; + a.mV[VY] *= k; + a.mV[VZ] *= k; + return a; } inline const LLColor4U& operator%=(LLColor4U &a, U8 k) { - // only affects alpha (not rgb!) - a.mV[VW] *= k; - return a; + // only affects alpha (not rgb!) + a.mV[VW] *= k; + return a; } -inline F32 distVec(const LLColor4U &a, const LLColor4U &b) +inline F32 distVec(const LLColor4U &a, const LLColor4U &b) { - LLColor4U vec = a - b; - return (vec.length()); + LLColor4U vec = a - b; + return (vec.length()); } -inline F32 distVec_squared(const LLColor4U &a, const LLColor4U &b) +inline F32 distVec_squared(const LLColor4U &a, const LLColor4U &b) { - LLColor4U vec = a - b; - return (vec.lengthSquared()); + LLColor4U vec = a - b; + return (vec.lengthSquared()); } void LLColor4U::setVecScaleClamp(const LLColor4& color) { - F32 color_scale_factor = 255.f; - F32 max_color = llmax(color.mV[0], color.mV[1], color.mV[2]); - if (max_color > 1.f) - { - color_scale_factor /= max_color; - } - const S32 MAX_COLOR = 255; - S32 r = ll_round(color.mV[0] * color_scale_factor); - if (r > MAX_COLOR) - { - r = MAX_COLOR; - } - else if (r < 0) - { - r = 0; - } - mV[0] = r; - - S32 g = ll_round(color.mV[1] * color_scale_factor); - if (g > MAX_COLOR) - { - g = MAX_COLOR; - } - else if (g < 0) - { - g = 0; - } - mV[1] = g; - - S32 b = ll_round(color.mV[2] * color_scale_factor); - if (b > MAX_COLOR) - { - b = MAX_COLOR; - } - else if (b < 0) - { - b = 0; - } - mV[2] = b; - - // Alpha shouldn't be scaled, just clamped... - S32 a = ll_round(color.mV[3] * MAX_COLOR); - if (a > MAX_COLOR) - { - a = MAX_COLOR; - } - else if (a < 0) - { - a = 0; - } - mV[3] = a; + F32 color_scale_factor = 255.f; + F32 max_color = llmax(color.mV[0], color.mV[1], color.mV[2]); + if (max_color > 1.f) + { + color_scale_factor /= max_color; + } + const S32 MAX_COLOR = 255; + S32 r = ll_round(color.mV[0] * color_scale_factor); + if (r > MAX_COLOR) + { + r = MAX_COLOR; + } + else if (r < 0) + { + r = 0; + } + mV[0] = r; + + S32 g = ll_round(color.mV[1] * color_scale_factor); + if (g > MAX_COLOR) + { + g = MAX_COLOR; + } + else if (g < 0) + { + g = 0; + } + mV[1] = g; + + S32 b = ll_round(color.mV[2] * color_scale_factor); + if (b > MAX_COLOR) + { + b = MAX_COLOR; + } + else if (b < 0) + { + b = 0; + } + mV[2] = b; + + // Alpha shouldn't be scaled, just clamped... + S32 a = ll_round(color.mV[3] * MAX_COLOR); + if (a > MAX_COLOR) + { + a = MAX_COLOR; + } + else if (a < 0) + { + a = 0; + } + mV[3] = a; } void LLColor4U::setVecScaleClamp(const LLColor3& color) { - F32 color_scale_factor = 255.f; - F32 max_color = llmax(color.mV[0], color.mV[1], color.mV[2]); - if (max_color > 1.f) - { - color_scale_factor /= max_color; - } - - const S32 MAX_COLOR = 255; - S32 r = ll_round(color.mV[0] * color_scale_factor); - if (r > MAX_COLOR) - { - r = MAX_COLOR; - } - else - if (r < 0) - { - r = 0; - } - mV[0] = r; - - S32 g = ll_round(color.mV[1] * color_scale_factor); - if (g > MAX_COLOR) - { - g = MAX_COLOR; - } - else - if (g < 0) - { - g = 0; - } - mV[1] = g; - - S32 b = ll_round(color.mV[2] * color_scale_factor); - if (b > MAX_COLOR) - { - b = MAX_COLOR; - } - if (b < 0) - { - b = 0; - } - mV[2] = b; - - mV[3] = 255; + F32 color_scale_factor = 255.f; + F32 max_color = llmax(color.mV[0], color.mV[1], color.mV[2]); + if (max_color > 1.f) + { + color_scale_factor /= max_color; + } + + const S32 MAX_COLOR = 255; + S32 r = ll_round(color.mV[0] * color_scale_factor); + if (r > MAX_COLOR) + { + r = MAX_COLOR; + } + else + if (r < 0) + { + r = 0; + } + mV[0] = r; + + S32 g = ll_round(color.mV[1] * color_scale_factor); + if (g > MAX_COLOR) + { + g = MAX_COLOR; + } + else + if (g < 0) + { + g = 0; + } + mV[1] = g; + + S32 b = ll_round(color.mV[2] * color_scale_factor); + if (b > MAX_COLOR) + { + b = MAX_COLOR; + } + if (b < 0) + { + b = 0; + } + mV[2] = b; + + mV[3] = 255; } inline U32 LLColor4U::asRGBA() const { - // Little endian: values are swapped in memory. The original code access the array like a U32, so we need to swap here + // Little endian: values are swapped in memory. The original code access the array like a U32, so we need to swap here - return (mV[3] << 24) | (mV[2] << 16) | (mV[1] << 8) | mV[0]; + return (mV[3] << 24) | (mV[2] << 16) | (mV[1] << 8) | mV[0]; } inline void LLColor4U::fromRGBA( U32 aVal ) { - // Little endian: values are swapped in memory. The original code access the array like a U32, so we need to swap here + // Little endian: values are swapped in memory. The original code access the array like a U32, so we need to swap here - mV[ 0 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 1 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 2 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 3 ] = aVal & 0xFF; + mV[ 0 ] = aVal & 0xFF; + aVal >>= 8; + mV[ 1 ] = aVal & 0xFF; + aVal >>= 8; + mV[ 2 ] = aVal & 0xFF; + aVal >>= 8; + mV[ 3 ] = aVal & 0xFF; } |