102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2022, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file color4.h
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* @brief RGBA color structure, including operators when compiling in C++
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*/
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#pragma once
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#ifndef AI_COLOR4D_H_INC
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#define AI_COLOR4D_H_INC
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#ifdef __GNUC__
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# pragma GCC system_header
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#endif
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#include <assimp/defs.h>
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#ifdef __cplusplus
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// ----------------------------------------------------------------------------------
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/** Represents a color in Red-Green-Blue space including an
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* alpha component. Color values range from 0 to 1. */
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// ----------------------------------------------------------------------------------
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template <typename TReal>
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class aiColor4t {
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public:
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aiColor4t() AI_NO_EXCEPT : r(), g(), b(), a() {}
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aiColor4t (TReal _r, TReal _g, TReal _b, TReal _a)
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: r(_r), g(_g), b(_b), a(_a) {}
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explicit aiColor4t (TReal _r) : r(_r), g(_r), b(_r), a(_r) {}
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aiColor4t (const aiColor4t& o) = default;
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// combined operators
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const aiColor4t& operator += (const aiColor4t& o);
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const aiColor4t& operator -= (const aiColor4t& o);
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const aiColor4t& operator *= (TReal f);
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const aiColor4t& operator /= (TReal f);
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// comparison
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bool operator == (const aiColor4t& other) const;
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bool operator != (const aiColor4t& other) const;
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bool operator < (const aiColor4t& other) const;
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// color tuple access, rgba order
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inline TReal operator[](unsigned int i) const;
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inline TReal& operator[](unsigned int i);
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/** check whether a color is (close to) black */
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inline bool IsBlack() const;
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// Red, green, blue and alpha color values
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TReal r, g, b, a;
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}; // !struct aiColor4D
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typedef aiColor4t<ai_real> aiColor4D;
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#else
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struct aiColor4D {
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ai_real r, g, b, a;
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};
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#endif // __cplusplus
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#endif // AI_COLOR4D_H_INC
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