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/**
* @file v4coloru.cpp
* @brief LLColor4U class implementation.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
//#include "v3coloru.h"
#include "v4coloru.h"
#include "v4color.h"
//#include "vmath.h"
#include "llmath.h"
// LLColor4U
LLColor4U LLColor4U::white(255, 255, 255, 255);
LLColor4U LLColor4U::black( 0, 0, 0, 255);
LLColor4U LLColor4U::red (255, 0, 0, 255);
LLColor4U LLColor4U::green( 0, 255, 0, 255);
LLColor4U LLColor4U::blue ( 0, 0, 255, 255);
// conversion
/* inlined to fix gcc compile link error
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));
}
*/
// Constructors
/*
LLColor4U::LLColor4U(const LLColor3 &vec)
{
mV[VX] = vec.mV[VX];
mV[VY] = vec.mV[VY];
mV[VZ] = vec.mV[VZ];
mV[VW] = 255;
}
*/
// Clear and Assignment Functions
// LLColor4U Operators
/*
LLColor4U LLColor4U::operator=(const LLColor3 &a)
{
mV[VX] = a.mV[VX];
mV[VY] = a.mV[VY];
mV[VZ] = a.mV[VZ];
// converting from an rgb sets a=1 (opaque)
mV[VW] = 255;
return (*this);
}
*/
std::ostream& operator<<(std::ostream& s, const LLColor4U &a)
{
s << "{ " << (S32)a.mV[VX] << ", " << (S32)a.mV[VY] << ", " << (S32)a.mV[VZ] << ", " << (S32)a.mV[VW] << " }";
return s;
}
// static
BOOL LLColor4U::parseColor4U(const std::string& buf, LLColor4U* value)
{
if( buf.empty() || value == NULL)
{
return FALSE;
}
U32 v[4];
S32 count = sscanf( buf.c_str(), "%u, %u, %u, %u", v + 0, v + 1, v + 2, v + 3 );
if (1 == count )
{
// try this format
count = sscanf( buf.c_str(), "%u %u %u %u", v + 0, v + 1, v + 2, v + 3 );
}
if( 4 != count )
{
return FALSE;
}
for( S32 i = 0; i < 4; i++ )
{
if( v[i] > U8_MAX )
{
return FALSE;
}
}
value->set( U8(v[0]), U8(v[1]), U8(v[2]), U8(v[3]) );
return TRUE;
}
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