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#ifndef INCLUDE_NCURSES_COLORS_HPP_
#define INCLUDE_NCURSES_COLORS_HPP_
#include "ncurses/utils/macros.hpp"
#include <ncurses.h>
#include <ncurses/utils/preamble.hpp>
namespace NCURSES_CPP_NAMESPACE {
enum class curs_color {
black = COLOR_BLACK,
red = COLOR_RED,
green = COLOR_GREEN,
yellow = COLOR_YELLOW,
blue = COLOR_BLUE,
magenta = COLOR_MAGENTA,
cyan = COLOR_CYAN,
white = COLOR_WHITE
};
struct rgb_color {
unsigned char r;
unsigned char g;
unsigned char b;
};
NCURSES_CPP_CONSTEXPR static int
rgb_to_curses(unsigned char c) NCURSES_CPP_NOEXCEPT {
return static_cast<int>(c) * 1000 / 255;
}
NCURSES_CPP_CONSTEXPR static unsigned char
curses_to_rgb(int c) NCURSES_CPP_NOEXCEPT {
return static_cast<unsigned char>((c * 255 / 1000) +
(c * 255 % 1000 == 0 ? 0 : 1));
}
inline bool has_colors() { return static_cast<bool>(::has_colors()); }
inline bool can_change_color() {
return static_cast<bool>(::can_change_color());
}
inline bool init_color(int index, int r, int g, int b) {
return init_extended_color(index, rgb_to_curses(r), rgb_to_curses(g),
rgb_to_curses(b)) == OK
? true
: false;
}
inline bool color_content(int index, int *r, int *g, int *b) {
int res = extended_color_content(index, r, g, b);
if (res == ERR)
return false;
*r = curses_to_rgb(*r);
*g = curses_to_rgb(*g);
*b = curses_to_rgb(*b);
return true;
}
inline bool init_pair(int index, int fg, int bg) {
return init_extended_pair(index, fg, bg) == OK ? true : false;
}
inline bool pair_content(int index, int *fg, int *bg) {
return extended_pair_content(index, fg, bg);
}
class color_pair {
public:
using value_type = chtype;
NCURSES_CPP_CONSTEXPR color_pair(int index) NCURSES_CPP_NOEXCEPT
: index_(index) {}
explicit NCURSES_CPP_CONSTEXPR
operator value_type() const NCURSES_CPP_NOEXCEPT {
return COLOR_PAIR(index_);
}
private:
int index_;
};
} // namespace NCURSES_CPP_NAMESPACE
#endif // INCLUDE_NCURSES_COLORS_HPP_
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