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/**
* @file v4coloru.cpp
* @brief LLColor4U class implementation.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "v4coloru.h"
#include "llmath.h"
// LLColor4U
// clang-format off
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);
// clang-format on
std::ostream& operator<<(std::ostream& s, const LLColor4U& a)
{
s << "{ " << (S32)a.mV[VRED] << ", " << (S32)a.mV[VGREEN] << ", " << (S32)a.mV[VBLUE] << ", " << (S32)a.mV[VALPHA] << " }";
return s;
}
// static
bool LLColor4U::parseColor4U(const std::string& buf, LLColor4U* value)
{
if (buf.empty() || value == nullptr)
{
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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