diff options
Diffstat (limited to 'libs/canvas/canvas/colors.h')
| -rw-r--r-- | libs/canvas/canvas/colors.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/libs/canvas/canvas/colors.h b/libs/canvas/canvas/colors.h deleted file mode 100644 index f48e2347a3..0000000000 --- a/libs/canvas/canvas/colors.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - Copyright (C) 2011-2013 Paul Davis - Author: Carl Hetherington <cth@carlh.net> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef __ardour_canvas_colors_h__ -#define __ardour_canvas_colors_h__ - -#include <cairomm/context.h> - -#include "canvas/visibility.h" -#include "canvas/types.h" - -namespace ArdourCanvas -{ - -struct LIBCANVAS_API HSV; -struct LIBCANVAS_API HSVA; - -extern LIBCANVAS_API Color change_alpha (Color, double alpha); - -extern LIBCANVAS_API Color hsva_to_color (double h, double s, double v, double a = 1.0); -extern LIBCANVAS_API void color_to_hsva (Color color, double& h, double& s, double& v, double& a); -extern LIBCANVAS_API Color color_at_alpha (Color, double a); -extern LIBCANVAS_API void color_to_hsv (Color color, double& h, double& s, double& v); -extern LIBCANVAS_API void color_to_rgba (Color, double& r, double& g, double& b, double& a); -extern LIBCANVAS_API Color rgba_to_color (double r, double g, double b, double a); - -uint32_t LIBCANVAS_API contrasting_text_color (uint32_t c); - -struct LIBCANVAS_API HSV; - -class LIBCANVAS_API SVAModifier -{ - public: - enum Type { - Add, - Multiply, - Assign - }; - - SVAModifier (std::string const &); - SVAModifier (Type t, double ss, double vv, double aa) : type (t), _s (ss) , _v (vv) , _a (aa) {} - SVAModifier () : type (Add), _s (0), _v (0), _a (0) {} /* no-op modifier */ - - double s() const { return _s; } - double v() const { return _v; } - double a() const { return _a; } - - HSV operator () (HSV& hsv) const; - std::string to_string () const; - void from_string (std::string const &); - - private: - Type type; - double _s; - double _v; - double _a; -}; - -struct LIBCANVAS_API HSV -{ - HSV (); - HSV (double h, double s, double v, double a = 1.0); - HSV (Color); - - double h; - double s; - double v; - double a; - - std::string to_string() const; - bool is_gray() const; - - Color color() const { return hsva_to_color (h,s, v, a); } - operator Color() const { return color(); } - - HSV mod (SVAModifier const & svam); - - HSV operator+ (const HSV&) const; - HSV operator- (const HSV&) const; - - HSV& operator=(Color); - HSV& operator=(const std::string&); - - bool operator== (const HSV& other); - - double distance (const HSV& other) const; - HSV delta (const HSV& other) const; - - HSV darker (double factor = 1.3) const { return shade (factor); } - HSV lighter (double factor = 0.7) const { return shade (factor); } - - HSV shade (double factor) const; - HSV mix (const HSV& other, double amt) const; - - HSV opposite() const; - HSV complement() const { return opposite(); } - - HSV bw_text () const; - HSV text() const; - HSV selected () const; - HSV outline() const; - - void print (std::ostream&) const; - - protected: - void clamp (); -}; - - -} - -std::ostream& operator<<(std::ostream& o, const ArdourCanvas::HSV& hsv); - -#endif /* __ardour_canvas_colors_h__ */ |