/src/mozilla-central/gfx/vr/osvr/Util/Vec2C.h
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1 | | /** @file |
2 | | @brief Header |
3 | | |
4 | | Must be c-safe! |
5 | | |
6 | | @date 2014 |
7 | | |
8 | | @author |
9 | | Sensics, Inc. |
10 | | <http://sensics.com/osvr> |
11 | | */ |
12 | | |
13 | | /* |
14 | | // Copyright 2014 Sensics, Inc. |
15 | | // |
16 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
17 | | // you may not use this file except in compliance with the License. |
18 | | // You may obtain a copy of the License at |
19 | | // |
20 | | // http://www.apache.org/licenses/LICENSE-2.0 |
21 | | // |
22 | | // Unless required by applicable law or agreed to in writing, software |
23 | | // distributed under the License is distributed on an "AS IS" BASIS, |
24 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
25 | | // See the License for the specific language governing permissions and |
26 | | // limitations under the License. |
27 | | */ |
28 | | |
29 | | #ifndef INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F |
30 | | #define INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F |
31 | | |
32 | | /* Internal Includes */ |
33 | | #include <osvr/Util/APIBaseC.h> |
34 | | |
35 | | /* Library/third-party includes */ |
36 | | /* none */ |
37 | | |
38 | | /* Standard includes */ |
39 | | /* none */ |
40 | | |
41 | | OSVR_EXTERN_C_BEGIN |
42 | | |
43 | | /** @addtogroup UtilMath |
44 | | @{ |
45 | | */ |
46 | | /** @brief A structure defining a 2D vector, which represents position |
47 | | */ |
48 | | typedef struct OSVR_Vec2 { |
49 | | /** @brief Internal array data. */ |
50 | | double data[2]; |
51 | | } OSVR_Vec2; |
52 | | |
53 | | #define OSVR_VEC_MEMBER(COMPONENT, INDEX) \ |
54 | | /** @brief Accessor for Vec2 component COMPONENT */ \ |
55 | 0 | OSVR_INLINE double osvrVec2Get##COMPONENT(OSVR_Vec2 const *v) { \ |
56 | 0 | return v->data[INDEX]; \ |
57 | 0 | } \ Unexecuted instantiation: osvrVec2GetX Unexecuted instantiation: osvrVec2GetY |
58 | | /** @brief Setter for Vec2 component COMPONENT */ \ |
59 | 0 | OSVR_INLINE void osvrVec2Set##COMPONENT(OSVR_Vec2 *v, double val) { \ |
60 | 0 | v->data[INDEX] = val; \ |
61 | 0 | } Unexecuted instantiation: osvrVec2SetX Unexecuted instantiation: osvrVec2SetY |
62 | | |
63 | | OSVR_VEC_MEMBER(X, 0) |
64 | | OSVR_VEC_MEMBER(Y, 1) |
65 | | |
66 | | #undef OSVR_VEC_MEMBER |
67 | | |
68 | | /** @brief Set a Vec2 to the zero vector */ |
69 | 0 | OSVR_INLINE void osvrVec2Zero(OSVR_Vec2 *v) { |
70 | 0 | osvrVec2SetX(v, 0); |
71 | 0 | osvrVec2SetY(v, 0); |
72 | 0 | } |
73 | | |
74 | | /** @} */ |
75 | | |
76 | | OSVR_EXTERN_C_END |
77 | | |
78 | | #ifdef __cplusplus |
79 | | template <typename StreamType> |
80 | | inline StreamType &operator<<(StreamType &os, OSVR_Vec2 const &vec) { |
81 | | os << "(" << vec.data[0] << ", " << vec.data[1] << ")"; |
82 | | return os; |
83 | | } |
84 | | #endif |
85 | | |
86 | | #endif // INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F |