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@ -25,7 +25,7 @@
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*/ |
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/** @file
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* @brief Class Magnum::Color3, Magnum::Color4 |
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* @brief Class Magnum::BasicColor3, Magnum::BasicColor4, typedef Magnum::Color3, Magnum::Color4 |
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*/ |
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#include <tuple> |
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@ -39,7 +39,7 @@ namespace Magnum {
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namespace Implementation { |
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/* Convert color from HSV */ |
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template<class T> typename std::enable_if<std::is_floating_point<T>::value, Color3<T>>::type fromHSV(typename Color3<T>::HSV hsv) { |
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template<class T> typename std::enable_if<std::is_floating_point<T>::value, BasicColor3<T>>::type fromHSV(typename BasicColor3<T>::HSV hsv) { |
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Math::Deg<T> hue; |
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T saturation, value; |
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std::tie(hue, saturation, value) = hsv; |
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@ -65,12 +65,12 @@ template<class T> typename std::enable_if<std::is_floating_point<T>::value, Colo
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default: CORRADE_ASSERT_UNREACHABLE(); |
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} |
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} |
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template<class T> inline typename std::enable_if<std::is_integral<T>::value, Color3<T>>::type fromHSV(typename Color3<T>::HSV hsv) { |
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return Math::denormalize<Color3<T>>(fromHSV<typename Color3<T>::FloatingPointType>(hsv)); |
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template<class T> inline typename std::enable_if<std::is_integral<T>::value, BasicColor3<T>>::type fromHSV(typename BasicColor3<T>::HSV hsv) { |
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return Math::denormalize<BasicColor3<T>>(fromHSV<typename BasicColor3<T>::FloatingPointType>(hsv)); |
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} |
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/* Internal hue computing function */ |
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template<class T> Math::Deg<T> hue(const Color3<T>& color, T max, T delta) { |
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template<class T> Math::Deg<T> hue(const BasicColor3<T>& color, T max, T delta) { |
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T deltaInv60 = T(60)/delta; |
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T hue(0); |
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@ -87,40 +87,40 @@ template<class T> Math::Deg<T> hue(const Color3<T>& color, T max, T delta) {
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} |
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/* Hue, saturation, value for floating-point types */ |
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template<class T> inline Math::Deg<T> hue(typename std::enable_if<std::is_floating_point<T>::value, const Color3<T>&>::type color) { |
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template<class T> inline Math::Deg<T> hue(typename std::enable_if<std::is_floating_point<T>::value, const BasicColor3<T>&>::type color) { |
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T max = color.max(); |
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T delta = max - color.min(); |
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return hue(color, max, delta); |
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} |
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template<class T> inline T saturation(typename std::enable_if<std::is_floating_point<T>::value, const Color3<T>&>::type color) { |
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template<class T> inline T saturation(typename std::enable_if<std::is_floating_point<T>::value, const BasicColor3<T>&>::type color) { |
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T max = color.max(); |
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T delta = max - color.min(); |
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return max != T(0) ? delta/max : T(0); |
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} |
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template<class T> inline T value(typename std::enable_if<std::is_floating_point<T>::value, const Color3<T>&>::type color) { |
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template<class T> inline T value(typename std::enable_if<std::is_floating_point<T>::value, const BasicColor3<T>&>::type color) { |
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return color.max(); |
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} |
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/* Hue, saturation, value for integral types */ |
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template<class T> inline Math::Deg<typename Color3<T>::FloatingPointType> hue(typename std::enable_if<std::is_integral<T>::value, const Color3<T>&>::type color) { |
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return hue<typename Color3<T>::FloatingPointType>(Math::normalize<Color3<typename Color3<T>::FloatingPointType>>(color)); |
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template<class T> inline Math::Deg<typename BasicColor3<T>::FloatingPointType> hue(typename std::enable_if<std::is_integral<T>::value, const BasicColor3<T>&>::type color) { |
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return hue<typename BasicColor3<T>::FloatingPointType>(Math::normalize<BasicColor3<typename BasicColor3<T>::FloatingPointType>>(color)); |
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} |
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template<class T> inline typename Color3<T>::FloatingPointType saturation(typename std::enable_if<std::is_integral<T>::value, const Color3<T>&>::type& color) { |
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return saturation<typename Color3<T>::FloatingPointType>(Math::normalize<Color3<typename Color3<T>::FloatingPointType>>(color)); |
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template<class T> inline typename BasicColor3<T>::FloatingPointType saturation(typename std::enable_if<std::is_integral<T>::value, const BasicColor3<T>&>::type& color) { |
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return saturation<typename BasicColor3<T>::FloatingPointType>(Math::normalize<BasicColor3<typename BasicColor3<T>::FloatingPointType>>(color)); |
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} |
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template<class T> inline typename Color3<T>::FloatingPointType value(typename std::enable_if<std::is_integral<T>::value, const Color3<T>&>::type color) { |
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return Math::normalize<typename Color3<T>::FloatingPointType>(color.max()); |
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template<class T> inline typename BasicColor3<T>::FloatingPointType value(typename std::enable_if<std::is_integral<T>::value, const BasicColor3<T>&>::type color) { |
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return Math::normalize<typename BasicColor3<T>::FloatingPointType>(color.max()); |
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} |
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/* Convert color to HSV */ |
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template<class T> inline typename Color3<T>::HSV toHSV(typename std::enable_if<std::is_floating_point<T>::value, const Color3<T>&>::type color) { |
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template<class T> inline typename BasicColor3<T>::HSV toHSV(typename std::enable_if<std::is_floating_point<T>::value, const BasicColor3<T>&>::type color) { |
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T max = color.max(); |
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T delta = max - color.min(); |
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return typename Color3<T>::HSV(hue<typename Color3<T>::FloatingPointType>(color, max, delta), max != T(0) ? delta/max : T(0), max); |
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return typename BasicColor3<T>::HSV(hue<typename BasicColor3<T>::FloatingPointType>(color, max, delta), max != T(0) ? delta/max : T(0), max); |
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} |
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template<class T> inline typename Color3<T>::HSV toHSV(typename std::enable_if<std::is_integral<T>::value, const Color3<T>&>::type color) { |
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return toHSV<typename Color3<T>::FloatingPointType>(Math::normalize<Color3<typename Color3<T>::FloatingPointType>>(color)); |
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template<class T> inline typename BasicColor3<T>::HSV toHSV(typename std::enable_if<std::is_integral<T>::value, const BasicColor3<T>&>::type color) { |
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return toHSV<typename BasicColor3<T>::FloatingPointType>(Math::normalize<BasicColor3<typename BasicColor3<T>::FloatingPointType>>(color)); |
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} |
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/* Default alpha value */ |
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@ -144,16 +144,11 @@ Conversion from and to HSV is done always using floating-point types, so hue
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is always in range in range @f$ [0.0, 360.0] @f$, saturation and value in |
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range @f$ [0.0, 1.0] @f$. |
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@see Color4 |
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@see @ref Color3, @ref BasicColor4 |
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*/ |
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/* Not using template specialization because some internal functions are
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impossible to explicitly instantiate */ |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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template<class T> |
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#else |
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template<class T = Float> |
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#endif |
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class Color3: public Math::Vector3<T> { |
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template<class T> class BasicColor3: public Math::Vector3<T> { |
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public: |
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/** @brief Corresponding floating-point type for HSV computation */ |
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typedef typename Math::TypeTraits<T>::FloatingPointType FloatingPointType; |
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@ -172,11 +167,11 @@ class Color3: public Math::Vector3<T> {
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* |
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* Hue can overflow the range @f$ [0.0, 360.0] @f$. |
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*/ |
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constexpr static Color3<T> fromHSV(HSV hsv) { |
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constexpr static BasicColor3<T> fromHSV(HSV hsv) { |
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return Implementation::fromHSV<T>(hsv); |
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} |
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/** @overload */ |
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constexpr static Color3<T> fromHSV(Math::Deg<FloatingPointType> hue, FloatingPointType saturation, FloatingPointType value) { |
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constexpr static BasicColor3<T> fromHSV(Math::Deg<FloatingPointType> hue, FloatingPointType saturation, FloatingPointType value) { |
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return fromHSV(std::make_tuple(hue, saturation, value)); |
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} |
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@ -185,13 +180,13 @@ class Color3: public Math::Vector3<T> {
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* |
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* All components are set to zero. |
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*/ |
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constexpr /*implicit*/ Color3() {} |
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constexpr /*implicit*/ BasicColor3() {} |
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/**
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* @brief Gray constructor |
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* @param rgb RGB value |
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*/ |
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constexpr explicit Color3(T rgb): Math::Vector3<T>(rgb) {} |
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constexpr explicit BasicColor3(T rgb): Math::Vector3<T>(rgb) {} |
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/**
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* @brief Constructor |
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@ -199,13 +194,13 @@ class Color3: public Math::Vector3<T> {
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* @param g G value |
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* @param b B value |
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*/ |
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constexpr /*implicit*/ Color3(T r, T g, T b): Math::Vector3<T>(r, g, b) {} |
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constexpr /*implicit*/ BasicColor3(T r, T g, T b): Math::Vector3<T>(r, g, b) {} |
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/** @copydoc Math::Vector::Vector(const Vector<size, U>&) */ |
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template<class U> constexpr explicit Color3(const Math::Vector<3, U>& other): Math::Vector3<T>(other) {} |
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template<class U> constexpr explicit BasicColor3(const Math::Vector<3, U>& other): Math::Vector3<T>(other) {} |
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/** @brief Copy constructor */ |
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constexpr Color3(const Math::Vector<3, T>& other): Math::Vector3<T>(other) {} |
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constexpr BasicColor3(const Math::Vector<3, T>& other): Math::Vector3<T>(other) {} |
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T& r() { return Math::Vector3<T>::x(); } /**< @brief R component */ |
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constexpr T r() const { return Math::Vector3<T>::x(); } /**< @overload */ |
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@ -259,15 +254,19 @@ class Color3: public Math::Vector3<T> {
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return Implementation::value<T>(*this); |
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} |
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MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(Color3, 3) |
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MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(BasicColor3, 3) |
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}; |
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MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(Color3, 3) |
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/** @brief Three-component (RGB) float color */ |
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typedef BasicColor3<Float> Color3; |
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MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(BasicColor3, 3) |
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/**
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@brief Four-component (RGBA) color |
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See Color3 for more information. |
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See @ref BasicColor3 for more information. |
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@see @ref Color4 |
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*/ |
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/* Not using template specialization because some internal functions are
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impossible to explicitly instantiate */ |
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@ -276,24 +275,24 @@ template<class T>
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#else |
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template<class T = Float> |
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#endif |
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class Color4: public Math::Vector4<T> { |
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class BasicColor4: public Math::Vector4<T> { |
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public: |
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/** @copydoc Color3::FloatingPointType */ |
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typedef typename Color3<T>::FloatingPointType FloatingPointType; |
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/** @copydoc BasicColor3::FloatingPointType */ |
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typedef typename BasicColor3<T>::FloatingPointType FloatingPointType; |
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/** @copydoc Color3::HSV */ |
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typedef typename Color3<T>::HSV HSV; |
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/** @copydoc BasicColor3::HSV */ |
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typedef typename BasicColor3<T>::HSV HSV; |
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/**
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* @copydoc Color3::fromHSV() |
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* @copydoc BasicColor3::fromHSV() |
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* @param a Alpha value, defaults to 1.0 for floating-point types |
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* and maximum positive value for integral types. |
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*/ |
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constexpr static Color4<T> fromHSV(HSV hsv, T a = Implementation::defaultAlpha<T>()) { |
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return Color4<T>(Implementation::fromHSV<T>(hsv), a); |
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constexpr static BasicColor4<T> fromHSV(HSV hsv, T a = Implementation::defaultAlpha<T>()) { |
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return BasicColor4<T>(Implementation::fromHSV<T>(hsv), a); |
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} |
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/** @overload */ |
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constexpr static Color4<T> fromHSV(Math::Deg<FloatingPointType> hue, FloatingPointType saturation, FloatingPointType value, T alpha) { |
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constexpr static BasicColor4<T> fromHSV(Math::Deg<FloatingPointType> hue, FloatingPointType saturation, FloatingPointType value, T alpha) { |
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return fromHSV(std::make_tuple(hue, saturation, value), alpha); |
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} |
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@ -303,14 +302,14 @@ class Color4: public Math::Vector4<T> {
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* RGB components are set to zero, A component is set to 1.0 for |
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* floating-point types and maximum positive value for integral types. |
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*/ |
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constexpr /*implicit*/ Color4(): Math::Vector4<T>(T(0), T(0), T(0), Implementation::defaultAlpha<T>()) {} |
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constexpr /*implicit*/ BasicColor4(): Math::Vector4<T>(T(0), T(0), T(0), Implementation::defaultAlpha<T>()) {} |
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/**
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* @copydoc Color3::Color3(T) |
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* @copydoc BasicColor3::BasicColor3(T) |
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* @param alpha Alpha value, defaults to 1.0 for floating-point types |
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* and maximum positive value for integral types. |
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*/ |
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constexpr explicit Color4(T rgb, T alpha = Implementation::defaultAlpha<T>()): Math::Vector4<T>(rgb, rgb, rgb, alpha) {} |
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constexpr explicit BasicColor4(T rgb, T alpha = Implementation::defaultAlpha<T>()): Math::Vector4<T>(rgb, rgb, rgb, alpha) {} |
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/**
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* @brief Constructor |
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@ -320,22 +319,22 @@ class Color4: public Math::Vector4<T> {
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* @param a A value, defaults to 1.0 for floating-point types and |
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* maximum positive value for integral types. |
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*/ |
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constexpr /*implicit*/ Color4(T r, T g, T b, T a = Implementation::defaultAlpha<T>()): Math::Vector4<T>(r, g, b, a) {} |
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constexpr /*implicit*/ BasicColor4(T r, T g, T b, T a = Implementation::defaultAlpha<T>()): Math::Vector4<T>(r, g, b, a) {} |
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/**
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* @brief Constructor |
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* @param rgb Three-component color |
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* @param a A value |
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*/ |
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/* Not marked as explicit, because conversion from Color3 to Color4
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/* Not marked as explicit, because conversion from BasicColor3 to BasicColor4
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is fairly common, nearly always with A set to 1 */ |
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constexpr /*implicit*/ Color4(const Math::Vector3<T>& rgb, T a = Implementation::defaultAlpha<T>()): Math::Vector4<T>(rgb[0], rgb[1], rgb[2], a) {} |
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constexpr /*implicit*/ BasicColor4(const Math::Vector3<T>& rgb, T a = Implementation::defaultAlpha<T>()): Math::Vector4<T>(rgb[0], rgb[1], rgb[2], a) {} |
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/** @copydoc Math::Vector::Vector(const Vector<size, U>&) */ |
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template<class U> constexpr explicit Color4(const Math::Vector<4, U>& other): Math::Vector4<T>(other) {} |
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template<class U> constexpr explicit BasicColor4(const Math::Vector<4, U>& other): Math::Vector4<T>(other) {} |
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/** @brief Copy constructor */ |
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constexpr Color4(const Math::Vector<4, T>& other): Math::Vector4<T>(other) {} |
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constexpr BasicColor4(const Math::Vector<4, T>& other): Math::Vector4<T>(other) {} |
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T& r() { return Math::Vector4<T>::x(); } /**< @brief R component */ |
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constexpr T r() const { return Math::Vector4<T>::x(); } /**< @overload */ |
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@ -352,52 +351,55 @@ class Color4: public Math::Vector4<T> {
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* |
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* @see swizzle() |
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*/ |
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Color3<T>& rgb() { return Color3<T>::from(Math::Vector4<T>::data()); } |
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constexpr Color3<T> rgb() const { return Color3<T>::from(Math::Vector4<T>::data()); } /**< @overload */ |
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BasicColor3<T>& rgb() { return BasicColor3<T>::from(Math::Vector4<T>::data()); } |
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constexpr BasicColor3<T> rgb() const { return BasicColor3<T>::from(Math::Vector4<T>::data()); } /**< @overload */ |
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/** @copydoc Color3::toHSV() */ |
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/** @copydoc BasicColor3::toHSV() */ |
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constexpr HSV toHSV() const { |
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return Implementation::toHSV<T>(rgb()); |
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} |
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/** @copydoc Color3::hue() */ |
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/** @copydoc BasicColor3::hue() */ |
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constexpr Math::Deg<FloatingPointType> hue() const { |
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return Implementation::hue<T>(rgb()); |
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} |
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/** @copydoc Color3::saturation() */ |
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/** @copydoc BasicColor3::saturation() */ |
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constexpr FloatingPointType saturation() const { |
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return Implementation::saturation<T>(rgb()); |
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} |
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/** @copydoc Color3::value() */ |
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/** @copydoc BasicColor3::value() */ |
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constexpr FloatingPointType value() const { |
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return Implementation::value<T>(rgb()); |
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} |
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MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(Color4, 4) |
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MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(BasicColor4, 4) |
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}; |
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MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(Color4, 4) |
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/** @brief Four-component (RGBA) float color */ |
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typedef BasicColor4<Float> Color4; |
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MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(BasicColor4, 4) |
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/** @debugoperator{Magnum::Color3} */ |
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template<class T> inline Debug operator<<(Debug debug, const Color3<T>& value) { |
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/** @debugoperator{Magnum::BasicColor3} */ |
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template<class T> inline Debug operator<<(Debug debug, const BasicColor3<T>& value) { |
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return debug << static_cast<const Math::Vector3<T>&>(value); |
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} |
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/** @debugoperator{Magnum::Color4} */ |
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template<class T> inline Debug operator<<(Debug debug, const Color4<T>& value) { |
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/** @debugoperator{Magnum::BasicColor4} */ |
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template<class T> inline Debug operator<<(Debug debug, const BasicColor4<T>& value) { |
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return debug << static_cast<const Math::Vector4<T>&>(value); |
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} |
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} |
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namespace Corrade { namespace Utility { |
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/** @configurationvalue{Magnum::Color3} */ |
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template<class T> struct ConfigurationValue<Magnum::Color3<T>>: public ConfigurationValue<Magnum::Math::Vector<3, T>> {}; |
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/** @configurationvalue{Magnum::BasicColor3} */ |
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template<class T> struct ConfigurationValue<Magnum::BasicColor3<T>>: public ConfigurationValue<Magnum::Math::Vector<3, T>> {}; |
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/** @configurationvalue{Magnum::Color4} */ |
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template<class T> struct ConfigurationValue<Magnum::Color4<T>>: public ConfigurationValue<Magnum::Math::Vector<4, T>> {}; |
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/** @configurationvalue{Magnum::BasicColor4} */ |
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template<class T> struct ConfigurationValue<Magnum::BasicColor4<T>>: public ConfigurationValue<Magnum::Math::Vector<4, T>> {}; |
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}} |
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#endif |
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Vladimír Vondruš
13 years ago