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https://github.com/eried/portapack-mayhem.git
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a44e8b9921
* Update chars 0xA0-0xFF to match unicode * Update ui_text.hpp Update chars 0xA0-0xFF to match unicode * Use unicode 0xB0 for degree character * Clang
109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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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 2, or (at your option)
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* any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __UI_TEXT_H__
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#define __UI_TEXT_H__
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#include <cstdint>
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#include <cstddef>
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#include <string>
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#include "ui.hpp"
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// C1 Control Characters are an unprintable range of glyphs missing from the font files
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#define C1_CONTROL_CHARS_START 0x80
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#define C1_CONTROL_CHARS_COUNT 32
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namespace ui {
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class Glyph {
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public:
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constexpr Glyph(
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Dim w,
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Dim h,
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const uint8_t* const pixels)
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: w_{static_cast<uint8_t>(w)},
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h_{static_cast<uint8_t>(h)},
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pixels_{pixels} {
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}
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int w() const {
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return w_;
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}
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int h() const {
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return h_;
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}
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Size size() const {
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return {w_, h_};
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}
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Point advance() const {
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return {w_, 0};
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}
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const uint8_t* pixels() const {
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return pixels_;
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}
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private:
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const uint8_t w_;
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const uint8_t h_;
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const uint8_t* const pixels_;
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};
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class Font {
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public:
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constexpr Font(
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Dim w,
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Dim h,
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const uint8_t* data,
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char c_start,
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size_t c_count)
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: w{w},
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h{h},
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data{data},
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c_start{c_start},
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c_count{c_count},
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data_stride{(w * h + 7U) >> 3} {
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}
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Glyph glyph(const char c) const;
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Dim line_height() const;
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Dim char_width() const;
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Size size_of(const std::string s) const;
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private:
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const Dim w;
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const Dim h;
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const uint8_t* const data;
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const char c_start;
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const size_t c_count;
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const size_t data_stride;
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};
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} /* namespace ui */
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#endif /*__UI_TEXT_H__*/
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