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-rw-r--r--indra/llmath/v3color.cpp186
1 files changed, 93 insertions, 93 deletions
diff --git a/indra/llmath/v3color.cpp b/indra/llmath/v3color.cpp
index d38f48b11e..9fe9c8d5e5 100644
--- a/indra/llmath/v3color.cpp
+++ b/indra/llmath/v3color.cpp
@@ -1,25 +1,25 @@
-/**
+/**
* @file v3color.cpp
* @brief LLColor3 class implementation.
*
* $LicenseInfo:firstyear=2000&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
@@ -36,118 +36,118 @@ LLColor3 LLColor3::grey (0.5f, 0.5f, 0.5f);
LLColor3::LLColor3(const LLColor4 &a)
{
- mV[0] = a.mV[0];
- mV[1] = a.mV[1];
- mV[2] = a.mV[2];
+ mV[0] = a.mV[0];
+ mV[1] = a.mV[1];
+ mV[2] = a.mV[2];
}
LLColor3::LLColor3(const LLVector4 &a)
{
- mV[0] = a.mV[0];
- mV[1] = a.mV[1];
- mV[2] = a.mV[2];
+ mV[0] = a.mV[0];
+ mV[1] = a.mV[1];
+ mV[2] = a.mV[2];
}
LLColor3::LLColor3(const LLSD &sd)
{
- setValue(sd);
+ setValue(sd);
}
-const LLColor3& LLColor3::operator=(const LLColor4 &a)
+const LLColor3& LLColor3::operator=(const LLColor4 &a)
{
- mV[0] = a.mV[0];
- mV[1] = a.mV[1];
- mV[2] = a.mV[2];
- return (*this);
+ mV[0] = a.mV[0];
+ mV[1] = a.mV[1];
+ mV[2] = a.mV[2];
+ return (*this);
}
-std::ostream& operator<<(std::ostream& s, const LLColor3 &a)
+std::ostream& operator<<(std::ostream& s, const LLColor3 &a)
{
- s << "{ " << a.mV[VX] << ", " << a.mV[VY] << ", " << a.mV[VZ] << " }";
- return s;
+ s << "{ " << a.mV[VX] << ", " << a.mV[VY] << ", " << a.mV[VZ] << " }";
+ return s;
}
static F32 hueToRgb ( F32 val1In, F32 val2In, F32 valHUeIn )
{
- if ( valHUeIn < 0.0f ) valHUeIn += 1.0f;
- if ( valHUeIn > 1.0f ) valHUeIn -= 1.0f;
- if ( ( 6.0f * valHUeIn ) < 1.0f ) return ( val1In + ( val2In - val1In ) * 6.0f * valHUeIn );
- if ( ( 2.0f * valHUeIn ) < 1.0f ) return ( val2In );
- if ( ( 3.0f * valHUeIn ) < 2.0f ) return ( val1In + ( val2In - val1In ) * ( ( 2.0f / 3.0f ) - valHUeIn ) * 6.0f );
- return ( val1In );
+ if ( valHUeIn < 0.0f ) valHUeIn += 1.0f;
+ if ( valHUeIn > 1.0f ) valHUeIn -= 1.0f;
+ if ( ( 6.0f * valHUeIn ) < 1.0f ) return ( val1In + ( val2In - val1In ) * 6.0f * valHUeIn );
+ if ( ( 2.0f * valHUeIn ) < 1.0f ) return ( val2In );
+ if ( ( 3.0f * valHUeIn ) < 2.0f ) return ( val1In + ( val2In - val1In ) * ( ( 2.0f / 3.0f ) - valHUeIn ) * 6.0f );
+ return ( val1In );
}
void LLColor3::setHSL ( F32 hValIn, F32 sValIn, F32 lValIn)
{
- if ( sValIn < 0.00001f )
- {
- mV[VRED] = lValIn;
- mV[VGREEN] = lValIn;
- mV[VBLUE] = lValIn;
- }
- else
- {
- F32 interVal1;
- F32 interVal2;
-
- if ( lValIn < 0.5f )
- interVal2 = lValIn * ( 1.0f + sValIn );
- else
- interVal2 = ( lValIn + sValIn ) - ( sValIn * lValIn );
-
- interVal1 = 2.0f * lValIn - interVal2;
-
- mV[VRED] = hueToRgb ( interVal1, interVal2, hValIn + ( 1.f / 3.f ) );
- mV[VGREEN] = hueToRgb ( interVal1, interVal2, hValIn );
- mV[VBLUE] = hueToRgb ( interVal1, interVal2, hValIn - ( 1.f / 3.f ) );
- }
+ if ( sValIn < 0.00001f )
+ {
+ mV[VRED] = lValIn;
+ mV[VGREEN] = lValIn;
+ mV[VBLUE] = lValIn;
+ }
+ else
+ {
+ F32 interVal1;
+ F32 interVal2;
+
+ if ( lValIn < 0.5f )
+ interVal2 = lValIn * ( 1.0f + sValIn );
+ else
+ interVal2 = ( lValIn + sValIn ) - ( sValIn * lValIn );
+
+ interVal1 = 2.0f * lValIn - interVal2;
+
+ mV[VRED] = hueToRgb ( interVal1, interVal2, hValIn + ( 1.f / 3.f ) );
+ mV[VGREEN] = hueToRgb ( interVal1, interVal2, hValIn );
+ mV[VBLUE] = hueToRgb ( interVal1, interVal2, hValIn - ( 1.f / 3.f ) );
+ }
}
void LLColor3::calcHSL(F32* hue, F32* saturation, F32* luminance) const
{
- F32 var_R = mV[VRED];
- F32 var_G = mV[VGREEN];
- F32 var_B = mV[VBLUE];
-
- F32 var_Min = ( var_R < ( var_G < var_B ? var_G : var_B ) ? var_R : ( var_G < var_B ? var_G : var_B ) );
- F32 var_Max = ( var_R > ( var_G > var_B ? var_G : var_B ) ? var_R : ( var_G > var_B ? var_G : var_B ) );
-
- F32 del_Max = var_Max - var_Min;
-
- F32 L = ( var_Max + var_Min ) / 2.0f;
- F32 H = 0.0f;
- F32 S = 0.0f;
-
- if ( del_Max == 0.0f )
- {
- H = 0.0f;
- S = 0.0f;
- }
- else
- {
- if ( L < 0.5 )
- S = del_Max / ( var_Max + var_Min );
- else
- S = del_Max / ( 2.0f - var_Max - var_Min );
-
- F32 del_R = ( ( ( var_Max - var_R ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
- F32 del_G = ( ( ( var_Max - var_G ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
- F32 del_B = ( ( ( var_Max - var_B ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
-
- if ( var_R >= var_Max )
- H = del_B - del_G;
- else
- if ( var_G >= var_Max )
- H = ( 1.0f / 3.0f ) + del_R - del_B;
- else
- if ( var_B >= var_Max )
- H = ( 2.0f / 3.0f ) + del_G - del_R;
-
- if ( H < 0.0f ) H += 1.0f;
- if ( H > 1.0f ) H -= 1.0f;
- }
-
- if (hue) *hue = H;
- if (saturation) *saturation = S;
- if (luminance) *luminance = L;
+ F32 var_R = mV[VRED];
+ F32 var_G = mV[VGREEN];
+ F32 var_B = mV[VBLUE];
+
+ F32 var_Min = ( var_R < ( var_G < var_B ? var_G : var_B ) ? var_R : ( var_G < var_B ? var_G : var_B ) );
+ F32 var_Max = ( var_R > ( var_G > var_B ? var_G : var_B ) ? var_R : ( var_G > var_B ? var_G : var_B ) );
+
+ F32 del_Max = var_Max - var_Min;
+
+ F32 L = ( var_Max + var_Min ) / 2.0f;
+ F32 H = 0.0f;
+ F32 S = 0.0f;
+
+ if ( del_Max == 0.0f )
+ {
+ H = 0.0f;
+ S = 0.0f;
+ }
+ else
+ {
+ if ( L < 0.5 )
+ S = del_Max / ( var_Max + var_Min );
+ else
+ S = del_Max / ( 2.0f - var_Max - var_Min );
+
+ F32 del_R = ( ( ( var_Max - var_R ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
+ F32 del_G = ( ( ( var_Max - var_G ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
+ F32 del_B = ( ( ( var_Max - var_B ) / 6.0f ) + ( del_Max / 2.0f ) ) / del_Max;
+
+ if ( var_R >= var_Max )
+ H = del_B - del_G;
+ else
+ if ( var_G >= var_Max )
+ H = ( 1.0f / 3.0f ) + del_R - del_B;
+ else
+ if ( var_B >= var_Max )
+ H = ( 2.0f / 3.0f ) + del_G - del_R;
+
+ if ( H < 0.0f ) H += 1.0f;
+ if ( H > 1.0f ) H -= 1.0f;
+ }
+
+ if (hue) *hue = H;
+ if (saturation) *saturation = S;
+ if (luminance) *luminance = L;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 21:30:29 +0000