78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos 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 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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief Font 8x6 IBM-PC 8bit
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*
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*
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* \author Stefano Fedrigo <aleph@develer.com>
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*
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*/
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#ifndef GFX_FONT_H
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#define GFX_FONT_H
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#include <cfg/compiler.h> /* uint8_t */
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#include <cpu/pgm.h> /* PROGMEM */
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typedef struct Font
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{
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/**
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* Pointer to glyph data.
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*
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* Data is an array of at most 256 glyphs packed together.
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* Raster format must be the same of the bitmap.
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*/
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const pgm_uint8_t *glyph;
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uint8_t width; /**< Pixel width of character cell. */
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uint8_t height; /**< Pixel height of character cell. */
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uint8_t first; /**< First encoded character in glyph array. */
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uint8_t last; /**< Last encoded character in glyph array (inclusive). */
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/** Array of glyph offsets in bytes. NULL for fixed-width fonts. */
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const pgm_uint16_t *offset;
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const pgm_uint8_t *widths;
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} Font;
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/** Return true if glyph \a c is available in \a font. */
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#define FONT_HAS_GLYPH(font, c) ((c) >= (font)->first && (c) <= (font)->last)
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/** The default font. */
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#define default_font font_luBS14
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extern const struct Font default_font;
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#endif /* GFX_FONT_H */
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