comparison: src/basics.h
src/basics.h
- changeset 218
- 63125c36de73
- parent 214
- 8e1fe64ce4e3
- child 235
- 7ef03c2b46ab
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| 217:6d95c1a41e6e | 218:63125c36de73 |
|---|---|
| 35 #include <QVariant> | 35 #include <QVariant> |
| 36 #include <QVector> | 36 #include <QVector> |
| 37 #include <glm/glm.hpp> | 37 #include <glm/glm.hpp> |
| 38 #include "geometry.h" | 38 #include "geometry.h" |
| 39 #include "functional.h" | 39 #include "functional.h" |
| 40 #include "typeconversions.h" | |
| 40 | 41 |
| 41 template<typename T> | 42 template<typename T> |
| 42 using opt = std::optional<T>; | 43 using opt = std::optional<T>; |
| 43 | 44 |
| 44 Q_DECLARE_METATYPE(glm::vec3) | 45 Q_DECLARE_METATYPE(glm::vec3) |
| 47 //! \brief count the amount of elements in a basic array | 48 //! \brief count the amount of elements in a basic array |
| 48 template<typename T, int N> | 49 template<typename T, int N> |
| 49 constexpr int countof(T(&)[N]) | 50 constexpr int countof(T(&)[N]) |
| 50 { | 51 { |
| 51 return N; | 52 return N; |
| 52 } | |
| 53 | |
| 54 //! \brief casts @c x to a suitable unsigned integer | |
| 55 template<typename T> | |
| 56 constexpr auto unsigned_cast(T x) | |
| 57 -> std::enable_if_t<std::is_integral_v<T>, std::make_unsigned_t<T>> | |
| 58 { | |
| 59 return static_cast<std::make_unsigned_t<T>>(x); | |
| 60 } | |
| 61 | |
| 62 //! \brief casts @c x to a suitable signed integer | |
| 63 template<typename T> | |
| 64 constexpr auto signed_cast(T x) | |
| 65 -> std::enable_if_t<std::is_integral_v<T>, std::make_signed_t<T>> | |
| 66 { | |
| 67 return static_cast<std::make_signed_t<T>>(x); | |
| 68 } | |
| 69 | |
| 70 //! \brief casts floating point values to float | |
| 71 template<typename T> | |
| 72 constexpr auto float_cast(T x) | |
| 73 -> std::enable_if_t<std::is_floating_point_v<T>, float> | |
| 74 { | |
| 75 return static_cast<float>(x); | |
| 76 } | |
| 77 | |
| 78 //! \brief casts floating point values to double | |
| 79 template<typename T> | |
| 80 constexpr auto double_cast(T x) | |
| 81 -> std::enable_if_t<std::is_floating_point_v<T>, double> | |
| 82 { | |
| 83 return static_cast<double>(x); | |
| 84 } | |
| 85 | |
| 86 //! \brief casts floating point values to qreal | |
| 87 template<typename T> | |
| 88 constexpr auto qreal_cast(T x) | |
| 89 -> std::enable_if_t<std::is_floating_point_v<T>, qreal> | |
| 90 { | |
| 91 return static_cast<qreal>(x); | |
| 92 } | 53 } |
| 93 | 54 |
| 94 template<int N, typename T, glm::qualifier Q> | 55 template<int N, typename T, glm::qualifier Q> |
| 95 constexpr QPointF toQPointF(const glm::vec<N, T, Q>& vec) | 56 constexpr QPointF toQPointF(const glm::vec<N, T, Q>& vec) |
| 96 { | 57 { |
