| 1 | /* |
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| 2 | --------------------------------------------------------------------------- |
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| 3 | Open Asset Import Library (assimp) |
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| 4 | --------------------------------------------------------------------------- |
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| 5 | |
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| 6 | Copyright (c) 2006-2019, assimp team |
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| 7 | |
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| 8 | |
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| 9 | |
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| 10 | All rights reserved. |
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| 11 | |
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| 12 | Redistribution and use of this software in source and binary forms, |
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| 13 | with or without modification, are permitted provided that the following |
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| 14 | conditions are met: |
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| 15 | |
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| 16 | * Redistributions of source code must retain the above |
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| 17 | copyright notice, this list of conditions and the |
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| 18 | following disclaimer. |
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| 19 | |
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| 20 | * Redistributions in binary form must reproduce the above |
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| 21 | copyright notice, this list of conditions and the |
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| 22 | following disclaimer in the documentation and/or other |
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| 23 | materials provided with the distribution. |
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| 24 | |
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| 25 | * Neither the name of the assimp team, nor the names of its |
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| 26 | contributors may be used to endorse or promote products |
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| 27 | derived from this software without specific prior |
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| 28 | written permission of the assimp team. |
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| 29 | |
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| 30 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 31 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 32 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 33 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 34 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 35 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 36 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 37 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 38 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 39 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 40 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 41 | --------------------------------------------------------------------------- |
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| 42 | */ |
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| 43 | /** @file color4.h |
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| 44 | * @brief RGBA color structure, including operators when compiling in C++ |
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| 45 | */ |
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| 46 | #pragma once |
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| 47 | #ifndef AI_COLOR4D_H_INC |
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| 48 | #define AI_COLOR4D_H_INC |
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| 49 | |
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| 50 | #include "defs.h" |
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| 51 | |
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| 52 | #ifdef __cplusplus |
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| 53 | |
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| 54 | // ---------------------------------------------------------------------------------- |
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| 55 | /** Represents a color in Red-Green-Blue space including an |
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| 56 | * alpha component. Color values range from 0 to 1. */ |
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| 57 | // ---------------------------------------------------------------------------------- |
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| 58 | template <typename TReal> |
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| 59 | class aiColor4t |
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| 60 | { |
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| 61 | public: |
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| 62 | aiColor4t() AI_NO_EXCEPT : r(), g(), b(), a() {} |
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| 63 | aiColor4t (TReal _r, TReal _g, TReal _b, TReal _a) |
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| 64 | : r(_r), g(_g), b(_b), a(_a) {} |
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| 65 | explicit aiColor4t (TReal _r) : r(_r), g(_r), b(_r), a(_r) {} |
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| 66 | aiColor4t (const aiColor4t& o) = default; |
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| 67 | |
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| 68 | public: |
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| 69 | // combined operators |
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| 70 | const aiColor4t& operator += (const aiColor4t& o); |
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| 71 | const aiColor4t& operator -= (const aiColor4t& o); |
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| 72 | const aiColor4t& operator *= (TReal f); |
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| 73 | const aiColor4t& operator /= (TReal f); |
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| 74 | |
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| 75 | public: |
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| 76 | // comparison |
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| 77 | bool operator == (const aiColor4t& other) const; |
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| 78 | bool operator != (const aiColor4t& other) const; |
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| 79 | bool operator < (const aiColor4t& other) const; |
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| 80 | |
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| 81 | // color tuple access, rgba order |
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| 82 | inline TReal operator[](unsigned int i) const; |
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| 83 | inline TReal& operator[](unsigned int i); |
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| 84 | |
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| 85 | /** check whether a color is (close to) black */ |
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| 86 | inline bool IsBlack() const; |
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| 87 | |
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| 88 | public: |
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| 89 | |
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| 90 | // Red, green, blue and alpha color values |
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| 91 | TReal r, g, b, a; |
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| 92 | }; // !struct aiColor4D |
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| 93 | |
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| 94 | typedef aiColor4t<ai_real> aiColor4D; |
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| 95 | |
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| 96 | #else |
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| 97 | |
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| 98 | struct aiColor4D { |
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| 99 | ai_real r, g, b, a; |
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| 100 | }; |
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| 101 | |
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| 102 | #endif // __cplusplus |
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| 103 | |
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| 104 | #endif // AI_COLOR4D_H_INC |
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| 105 | |
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