src/Color.h

   1 // -*- C++ -*-
   2 /**
   3  * \file Color.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Asger Alstrup
   8  * \author Lars Gullik Bjønnes
   9  * \author Matthias Ettrich
  10  * \author Jean-Marc Lasgouttes
  11  * \author Angus Leeming
  12  * \author John Levon
  13  * \author André Pönitz
  14  * \author Martin Vermeer
  15  *
  16  * Full author contact details are available in file CREDITS.
  17  */
  18
  19 #ifndef COLOR_H
  20 #define COLOR_H
  21
  22 #include "ColorCode.h"
  23
  24 #include "support/strfwd.h"
  25
  26 namespace lyx {
  27
  28 /**
  29  * \class Color
  30  *
  31  * A class holding a definition of a certain color.
  32  *
  33  * A color can be one of the following kinds:
  34  *
  35  * - a single color, then mergeColor = Color_ignore
  36  * - a merged color, i.e. the average of the base and merge colors.
  37  */
  38
  39 class Color
  40 {
  41 public:
  42         ///
  43         Color(ColorCode base_color = Color_none);
  44
  45         /// comparison operators.
  46         //@{
  47         bool operator==(Color const & color) const;
  48         bool operator!=(Color const & color) const;
  49         bool operator<(Color const & color) const;
  50         bool operator<=(Color const & color) const;
  51         //@}
  52
  53         /// the base color
  54         ColorCode baseColor;
  55         /// The color that is merged with the base color. Set
  56         /// mergeColor to Color_ignore if no merging is wanted.
  57         ColorCode mergeColor;
  58 };
  59
  60 std::ostream & operator<<(std::ostream & os, Color color);
  61
  62 std::string const X11hexname(RGBColor const & col);
  63 RGBColor rgbFromHexName(std::string const & x11hexname);
  64 std::string const outputLaTeXColor(RGBColor const & color);
  65
  66 } // namespace lyx
  67
  68 #endif // COLOR_H