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Fixed GTX_color_space - saturation #195

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This commit is contained in:
Christophe Riccio 2014-05-04 17:20:40 +02:00
parent c80f5bc740
commit d77bfa1a70
3 changed files with 17 additions and 6 deletions
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4
glm/gtx/color_space.hpp
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@ -64,8 +64,8 @@ namespace glm
/// Build a saturation matrix. /// Build a saturation matrix.
/// @see gtx_color_space /// @see gtx_color_space
template <typename T, precision P> template <typename T>
GLM_FUNC_DECL detail::tmat4x4<T, P> saturation( GLM_FUNC_DECL detail::tmat4x4<T, defaultp> saturation(
T const s); T const s);
/// Modify the saturation of a color. /// Modify the saturation of a color.

8
glm/gtx/color_space.inl
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@ -106,16 +106,16 @@ namespace glm
return hsv; return hsv;
} }
template <typename T, precision P> template <typename T>
GLM_FUNC_QUALIFIER detail::tmat4x4<T, P> saturation(const T s) GLM_FUNC_QUALIFIER detail::tmat4x4<T, defaultp> saturation(T const s)
{ {
detail::tvec3<T, P> rgbw = detail::tvec3<T, P>(T(0.2126), T(0.7152), T(0.0722)); detail::tvec3<T, defaultp> rgbw = detail::tvec3<T, defaultp>(T(0.2126), T(0.7152), T(0.0722));
T col0 = (T(1) - s) * rgbw.r; T col0 = (T(1) - s) * rgbw.r;
T col1 = (T(1) - s) * rgbw.g; T col1 = (T(1) - s) * rgbw.g;
T col2 = (T(1) - s) * rgbw.b; T col2 = (T(1) - s) * rgbw.b;
detail::tmat4x4<T, P> result(T(1)); detail::tmat4x4<T, defaultp> result(T(1));
result[0][0] = col0 + s; result[0][0] = col0 + s;
result[0][1] = col0; result[0][1] = col0;
result[0][2] = col0; result[0][2] = col0;

11
test/gtx/gtx_color_space.cpp
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@ -11,9 +11,20 @@
#include <glm/gtc/type_precision.hpp> #include <glm/gtc/type_precision.hpp>
#include <glm/gtx/color_space.hpp> #include <glm/gtx/color_space.hpp>
int test_saturation()
{
int Error(0);
glm::vec4 Color = glm::saturation(1.0f, glm::vec4(1.0, 0.5, 0.0, 1.0));
return Error;
}
int main() int main()
{ {
int Error(0); int Error(0);
Error += test_saturation();
return Error; return Error;
} }