diff options
Diffstat (limited to 'indra/llmath/v4coloru.h')
-rw-r--r-- | indra/llmath/v4coloru.h | 1170 |
1 files changed, 585 insertions, 585 deletions
diff --git a/indra/llmath/v4coloru.h b/indra/llmath/v4coloru.h index ca6a5425f9..ce15540866 100644 --- a/indra/llmath/v4coloru.h +++ b/indra/llmath/v4coloru.h @@ -1,585 +1,585 @@ -/** - * @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 - * $/LicenseInfo$ - */ - -#ifndef LL_V4COLORU_H -#define LL_V4COLORU_H - -#include "llerror.h" -//#include "vmath.h" -#include "llmath.h" -//#include "v4color.h" - -#include "v3color.h" -#include "v4color.h" - -//class LLColor3U; -class LLColor4; - -// LLColor4U = | red green blue alpha | - -static const U32 LENGTHOFCOLOR4U = 4; - - -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 - - 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 - - -inline LLColor4U::LLColor4U() -{ - 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; -} - -inline LLColor4U::LLColor4U(U8 r, U8 g, U8 b, U8 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]; -} - -/* -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)); -} -*/ - -inline const LLColor4U& LLColor4U::setToBlack(void) -{ - mV[VX] = 0; - mV[VY] = 0; - mV[VZ] = 0; - mV[VW] = 255; - return (*this); -} - -inline const LLColor4U& LLColor4U::setToWhite(void) -{ - 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) -{ - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - -// no change to alpha! -// mV[VW] = 255; - - return (*this); -} - -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); -} - -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); -} - -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); -} - -// deprecated -inline const LLColor4U& LLColor4U::setVec(const U8 x, const U8 y, const U8 z) -{ - mV[VX] = x; - mV[VY] = y; - mV[VZ] = z; - -// no change to alpha! -// mV[VW] = 255; - - return (*this); -} - -// deprecated -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); -} - -// deprecated -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); -} - -// deprecated -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); -} - -inline const LLColor4U& LLColor4U::setAlpha(U8 a) -{ - mV[VW] = a; - return (*this); -} - -// LLColor4U Magnitude and Normalization Functions - -inline F32 LLColor4U::length(void) const -{ - return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] ); -} - -inline F32 LLColor4U::lengthSquared(void) const -{ - return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ]; -} - -// deprecated -inline F32 LLColor4U::magVec(void) const -{ - 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 -{ - 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]); -} - -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]); -} - -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]); -} - -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)); -} - -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)); -} -/* -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]); -} - -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]); -} - -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 ); -} - -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 ); -} -*/ - -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])); -} - -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])); -} - -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; -} - -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; -} - -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; -} - -inline const LLColor4U& operator%=(LLColor4U &a, U8 k) -{ - // only affects alpha (not rgb!) - a.mV[VW] *= k; - return a; -} - -inline F32 distVec(const LLColor4U &a, const LLColor4U &b) -{ - LLColor4U vec = a - b; - return (vec.length()); -} - -inline F32 distVec_squared(const LLColor4U &a, const LLColor4U &b) -{ - 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; -} - -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; -} - -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 - - 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 - - mV[ 0 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 1 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 2 ] = aVal & 0xFF; - aVal >>= 8; - mV[ 3 ] = aVal & 0xFF; -} - - -#endif - +/**
+ * @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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_V4COLORU_H
+#define LL_V4COLORU_H
+
+#include "llerror.h"
+//#include "vmath.h"
+#include "llmath.h"
+//#include "v4color.h"
+
+#include "v3color.h"
+#include "v4color.h"
+
+//class LLColor3U;
+class LLColor4;
+
+// LLColor4U = | red green blue alpha |
+
+static const U32 LENGTHOFCOLOR4U = 4;
+
+
+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
+
+ 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
+
+
+inline LLColor4U::LLColor4U()
+{
+ 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;
+}
+
+inline LLColor4U::LLColor4U(U8 r, U8 g, U8 b, U8 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];
+}
+
+/*
+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));
+}
+*/
+
+inline const LLColor4U& LLColor4U::setToBlack(void)
+{
+ mV[VX] = 0;
+ mV[VY] = 0;
+ mV[VZ] = 0;
+ mV[VW] = 255;
+ return (*this);
+}
+
+inline const LLColor4U& LLColor4U::setToWhite(void)
+{
+ 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)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+
+// no change to alpha!
+// mV[VW] = 255;
+
+ return (*this);
+}
+
+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);
+}
+
+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);
+}
+
+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);
+}
+
+// deprecated
+inline const LLColor4U& LLColor4U::setVec(const U8 x, const U8 y, const U8 z)
+{
+ mV[VX] = x;
+ mV[VY] = y;
+ mV[VZ] = z;
+
+// no change to alpha!
+// mV[VW] = 255;
+
+ return (*this);
+}
+
+// deprecated
+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);
+}
+
+// deprecated
+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);
+}
+
+// deprecated
+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);
+}
+
+inline const LLColor4U& LLColor4U::setAlpha(U8 a)
+{
+ mV[VW] = a;
+ return (*this);
+}
+
+// LLColor4U Magnitude and Normalization Functions
+
+inline F32 LLColor4U::length(void) const
+{
+ return (F32) sqrt( ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ] );
+}
+
+inline F32 LLColor4U::lengthSquared(void) const
+{
+ return ((F32)mV[VX]) * mV[VX] + ((F32)mV[VY]) * mV[VY] + ((F32)mV[VZ]) * mV[VZ];
+}
+
+// deprecated
+inline F32 LLColor4U::magVec(void) const
+{
+ 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
+{
+ 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]);
+}
+
+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]);
+}
+
+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]);
+}
+
+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));
+}
+
+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));
+}
+/*
+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]);
+}
+
+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]);
+}
+
+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 );
+}
+
+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 );
+}
+*/
+
+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]));
+}
+
+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]));
+}
+
+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;
+}
+
+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;
+}
+
+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;
+}
+
+inline const LLColor4U& operator%=(LLColor4U &a, U8 k)
+{
+ // only affects alpha (not rgb!)
+ a.mV[VW] *= k;
+ return a;
+}
+
+inline F32 distVec(const LLColor4U &a, const LLColor4U &b)
+{
+ LLColor4U vec = a - b;
+ return (vec.length());
+}
+
+inline F32 distVec_squared(const LLColor4U &a, const LLColor4U &b)
+{
+ 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;
+}
+
+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;
+}
+
+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
+
+ 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
+
+ mV[ 0 ] = aVal & 0xFF;
+ aVal >>= 8;
+ mV[ 1 ] = aVal & 0xFF;
+ aVal >>= 8;
+ mV[ 2 ] = aVal & 0xFF;
+ aVal >>= 8;
+ mV[ 3 ] = aVal & 0xFF;
+}
+
+
+#endif
+
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