68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/**
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roflcat
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Copyright (C) 2019 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BASIC_COLOR_PRINTER_HPP
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#define BASIC_COLOR_PRINTER_HPP
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#include "color_printer_base.hpp"
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namespace bcp_detail{//lookup tables for the basic_color_printer class
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template<int I>
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struct lookup_table{};
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template<>
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struct lookup_table<8>{
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static constexpr const char* table[] = {"12","12","14","14","10","10","11","11","9","9","13","13"};
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static constexpr long len = sizeof(table)/sizeof(table[0]); //long because of arithmetic promotion during modulo
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};
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template<>
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struct lookup_table<16>:public lookup_table<8>{};
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template<>
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struct lookup_table<256>{
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static constexpr const char* table[] = {"39", "38", "44", "43", "49", "48", "84", "83", "119", "118", "154", "148", "184", "178", "214", "208", "209", "203", "204", "198", "199", "163", "164", "128", "129", "93", "99", "63", "69", "33"};
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static constexpr long len = sizeof(table)/sizeof(table[0]);
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};
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}
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//For color systems which have an easily enumerated amount of colors (256 and lower essentially)
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template<int I>
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class basic_color_printer : public color_printer_base<basic_color_printer<I>>
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{
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friend class printer_base<basic_color_printer<I>>;
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private:
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static constexpr const char* const* color_lookup_table = bcp_detail::lookup_table<I>::table;
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static constexpr long color_lookup_len = bcp_detail::lookup_table<I>::len;
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private:
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int m_col = 0; //current column number
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int m_line = 0; //current line number
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int m_index = -1; //index in lookup_table
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const int m_randomness; //change starting color
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public:
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constexpr basic_color_printer(const cmd_args& args)noexcept;
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~basic_color_printer(void)noexcept = default;
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protected:
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basic_color_printer& _print(const wchar_t s)noexcept;
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constexpr basic_color_printer& _reset(void)noexcept;
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constexpr void inc_col(int i);
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constexpr void inc_line(void);
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};
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#endif
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