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3Open Asset Import Library (assimp)
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41*/
42/** @file color4.h
43 * @brief RGBA color structure, including operators when compiling in C++
44 */
45#pragma once
46#ifndef AI_COLOR4D_H_INC
47#define AI_COLOR4D_H_INC
48
49#include "defs.h"
50
51#ifdef __cplusplus
52
53// ----------------------------------------------------------------------------------
54/** Represents a color in Red-Green-Blue space including an
55* alpha component. Color values range from 0 to 1. */
56// ----------------------------------------------------------------------------------
57template <typename TReal>
58class aiColor4t
59{
60public:
61 aiColor4t () : r(), g(), b(), a() {}
62 aiColor4t (TReal _r, TReal _g, TReal _b, TReal _a)
63 : r(_r), g(_g), b(_b), a(_a) {}
64 explicit aiColor4t (TReal _r) : r(_r), g(_r), b(_r), a(_r) {}
65 aiColor4t (const aiColor4t& o)
66 : r(o.r), g(o.g), b(o.b), a(o.a) {}
67
68public:
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
75public:
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
88public:
89
90 // Red, green, blue and alpha color values
91 TReal r, g, b, a;
92}; // !struct aiColor4D
93
94typedef aiColor4t<ai_real> aiColor4D;
95
96#else
97
98struct aiColor4D {
99 ai_real r, g, b, a;
100};
101
102#endif // __cplusplus
103
104#endif // AI_COLOR4D_H_INC
105