dev/display/disp_fonts.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Display driver for HCMS29xx.
0005  *
0006  * This file declares general data structures for font management.
0007  */
0008
0009 /*
0010  * Copyright (c) 2008 embedded brains GmbH & Co. KG
0011  *
0012  * Redistribution and use in source and binary forms, with or without
0013  * modification, are permitted provided that the following conditions
0014  * are met:
0015  * 1. Redistributions of source code must retain the above copyright
0016  *    notice, this list of conditions and the following disclaimer.
0017  * 2. Redistributions in binary form must reproduce the above copyright
0018  *    notice, this list of conditions and the following disclaimer in the
0019  *    documentation and/or other materials provided with the distribution.
0020  *
0021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0022  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0024  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0025  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0026  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0027  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0028  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0029  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0030  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0031  * POSSIBILITY OF SUCH DAMAGE.
0032  */
0033
0034 #ifndef DISP_FONTS_H
0035 #define DISP_FONTS_H
0036
0037 #include <rtems.h>
0038
0039 typedef int8_t disp_font_dimen;
0040
0041 struct disp_font_bounding_box
0042 {
0043   disp_font_dimen w, h, x, y;
0044 };
0045
0046 struct disp_font_glyph
0047 {
0048   struct disp_font_bounding_box bb;
0049   disp_font_dimen wx, wy;
0050   const unsigned char *bitmap;
0051 };
0052
0053 struct disp_font_base
0054 {
0055   int8_t trans;
0056   struct disp_font_bounding_box fbb;
0057   disp_font_dimen ascent, descent;
0058   uint8_t default_char;
0059   struct disp_font_glyph *latin1[256];
0060 };
0061
0062 typedef struct disp_font_base *disp_font_t;
0063
0064 /* Prototypes ------------------------------------------------- */
0065
0066 /* End -------------------------------------------------------- */
0067
0068 #endif /* not defined DISP_FONTS_H */