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