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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* This file is part of the LED_screen project.
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* Copyright 2019 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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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 3 of the License, or
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* (at your option) 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. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef FONTS_H__
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#define FONTS_H__
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#include <stdint.h>
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// code number of first symbol in font table
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#define FIRST_SYMBOL_CODE 32
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// total amount of symbols - all without first 32
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#define SYMBOLS_AMOUNT (256-FIRST_SYMBOL_CODE)
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// type for font choosing
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typedef enum{
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FONT_T_MIN = -1, // no fonts <= this
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FONT14, // 16x16, font height near 14px
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FONT16, // 16x16, font height 16px
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FONT_T_MAX // no fonts >= this
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} font_t;
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int choose_font(font_t newfont);
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/* uint8_t fontheight();
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uint8_t fontbaseline();
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uint8_t fontbytes(); */
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const uint8_t *font_char(uint8_t Char);
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typedef struct{
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const uint8_t *font;// font inself
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uint8_t height; // full font matrix height
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uint8_t bytes; // amount of bytes in font matrix
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uint8_t baseline; // baseline position (coordinate from bottom line)
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} afont;
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extern const afont *curfont;
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char *u2str(uint32_t val);
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#endif // FONTS_H__
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