diff options
Diffstat (limited to 'libs/dgl/Color.hpp')
| -rw-r--r-- | libs/dgl/Color.hpp | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/libs/dgl/Color.hpp b/libs/dgl/Color.hpp index dbe2cd1..d47f354 100644 --- a/libs/dgl/Color.hpp +++ b/libs/dgl/Color.hpp @@ -28,7 +28,7 @@ START_NAMESPACE_DGL // TODO: create color from "#333" and "#112233" like strings /** - A color made from red, green, blue and alpha floating-point values in [0..1] range. + A color made from red, green, blue and alpha floating-point values in [0..1] range. */ struct Color { /** @@ -48,13 +48,13 @@ struct Color { Create a color from red, green, blue and alpha numeric values. Values must be in [0..255] range. */ - Color(const int red, const int green, const int blue, const int alpha = 255) noexcept; + Color(int red, int green, int blue, int alpha = 255) noexcept; /** Create a color from red, green, blue and alpha floating-point values. Values must in [0..1] range. */ - Color(const float red, const float green, const float blue, const float alpha = 1.0f) noexcept; + Color(float red, float green, float blue, float alpha = 1.0f) noexcept; /** Create a color by copying another color. @@ -65,26 +65,39 @@ struct Color { /** Create a color by linearly interpolating two other colors. */ - Color(const Color& color1, const Color& color2, const float u) noexcept; + Color(const Color& color1, const Color& color2, float u) noexcept; /** - Create a color specified by hue, saturation, lightness and alpha. - HSL values are all in [0..1] range, alpha in [0..255] range. + Create a color specified by hue, saturation and lightness. + Values must in [0..1] range. + */ + static Color fromHSL(float hue, float saturation, float lightness, float alpha = 1.0f); + + /** + Create a color from a HTML string like "#333" or "#112233". */ - static Color HSL(const float hue, const float saturation, const float lightness, const int alpha = 255); + static Color fromHTML(const char* rgb, float alpha = 1.0f); /** Linearly interpolate this color against another. */ - void interpolate(const Color& other, const float u) noexcept; + void interpolate(const Color& other, float u) noexcept; /** Check if this color matches another. + @note: Comparison is forced within 8-bit color values. */ + bool isEqual(const Color& color, bool withAlpha = true) noexcept; + bool isNotEqual(const Color& color, bool withAlpha = true) noexcept; bool operator==(const Color& color) noexcept; bool operator!=(const Color& color) noexcept; /** + Fix color bounds if needed. + */ + void fixBounds() noexcept; + + /** @internal Needed for NanoVG compatibility. */ |