76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/**
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* @file v4coloru.cpp
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* @brief LLColor4U class implementation.
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "v4coloru.h"
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#include "llmath.h"
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// LLColor4U
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LLColor4U LLColor4U::white(255, 255, 255, 255);
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LLColor4U LLColor4U::black( 0, 0, 0, 255);
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LLColor4U LLColor4U::red (255, 0, 0, 255);
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LLColor4U LLColor4U::green( 0, 255, 0, 255);
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LLColor4U LLColor4U::blue ( 0, 0, 255, 255);
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std::ostream& operator<<(std::ostream& s, const LLColor4U& a)
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{
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s << "{ " << (S32)a.mV[VRED] << ", " << (S32)a.mV[VGREEN] << ", " << (S32)a.mV[VBLUE] << ", " << (S32)a.mV[VALPHA] << " }";
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return s;
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}
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// static
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bool LLColor4U::parseColor4U(const std::string& buf, LLColor4U* value)
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{
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if (buf.empty() || value == nullptr)
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{
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return false;
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}
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U32 v[4]{};
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S32 count = sscanf(buf.c_str(), "%u, %u, %u, %u", v + 0, v + 1, v + 2, v + 3);
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if (1 == count)
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{
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// try this format
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count = sscanf(buf.c_str(), "%u %u %u %u", v + 0, v + 1, v + 2, v + 3);
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}
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if (4 != count)
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{
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return false;
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}
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for (S32 i = 0; i < 4; i++)
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{
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if (v[i] > U8_MAX)
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{
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return false;
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}
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}
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value->set(U8(v[VRED]), U8(v[VGREEN]), U8(v[VBLUE]), U8(v[VALPHA]));
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return true;
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}
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