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/* color.cc |
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* This file is part of ncursesxx library |
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* Copyright (c) 2003,2004 by Stanislav Ievlev |
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* |
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* This file is covered by the GNU Library General Public License, |
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* which should be included with libncursesxx as the file COPYING. |
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*/ |
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#include <ncurses/color.hh> |
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#include <ncurses/support.hh> |
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#include <algorithm> |
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#include <map> |
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using ncurses::color; |
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static std::map<std::pair<short, short>, short> color_pairs; |
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static short |
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make_pair (short fg, short bg) |
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{ |
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auto pair = std::make_pair (fg, bg); |
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auto found = color_pairs.find (pair); |
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if (found != color_pairs.end ()) |
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return found->second; |
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static short color_counter; |
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color_pairs.insert ({ pair, ++color_counter }); |
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return color_counter; |
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} |
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color::color () |
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: attr_ (WA_NORMAL) |
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, num_ (-1) |
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{ |
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} |
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color::color (short f, short b, attr_t attr) |
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: attr_ (attr) |
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, num_ (make_pair (f, b)) |
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{ |
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if (has_colors ()) |
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return_unless (init_pair (num_, f, b) == OK); |
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} |
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color::~color () |
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{ |
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} |
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attr_t |
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color::attr () const |
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{ |
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return attr_; |
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} |
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short |
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color::num () const |
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{ |
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return num_; |
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} |
