From 1bfc5a9f85e7c3296095105ca8e3ee1215b22be8 Mon Sep 17 00:00:00 2001 From: Joel Bodenmann Date: Mon, 11 Feb 2013 09:25:45 +0100 Subject: removed GDISP_LLD() macro - fix --- include/gdisp/fonts.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 include/gdisp/fonts.h (limited to 'include/gdisp/fonts.h') diff --git a/include/gdisp/fonts.h b/include/gdisp/fonts.h new file mode 100644 index 00000000..f92f1b81 --- /dev/null +++ b/include/gdisp/fonts.h @@ -0,0 +1,80 @@ +/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file include/gdisp/fonts.h + * @brief GDISP internal font definitions. + * @details This is not generally needed by an application. It is used + * by the low level drivers that need to understand a font. + * + * @addtogroup GDISP + * @{ + */ + +#ifndef _GDISP_FONTS_H +#define _GDISP_FONTS_H + +/* Don't test against GFX_USE_GDISP as we may want to use this in other non-GDISP utilities. */ + +/** + * @brief The type of a font column. + * @note Set by defining @p GDISP_MAX_FNT_HEIGHT appropriately. + */ +#if GDISP_MAX_FONT_HEIGHT == 16 + typedef uint16_t fontcolumn_t; +#elif GDISP_MAX_FONT_HEIGHT == 32 + typedef uint32_t fontcolumn_t; +#else + #error "GDISP: GDISP_MAX_FONT_HEIGHT must be either 16 or 32" +#endif + +/** + * @brief Internal font structure. + * @note This structure is followed by: + * 1. An array of character widths (uint8_t) + * 2. An array of column data offsets (relative to the font structure) + * 3. Each characters array of column data (fontcolumn_t) + * Each sub-structure must be padded to a multiple of 8 bytes + * to allow the tables to work across many different compilers. + */ +struct font { + const char * name; + uint8_t height; + uint8_t charPadding; + uint8_t lineSpacing; + uint8_t descenderHeight; + uint8_t minWidth; + uint8_t maxWidth; + char minChar; + char maxChar; + uint8_t xscale; + uint8_t yscale; + const uint8_t *widthTable; + const uint16_t *offsetTable; + const fontcolumn_t *dataTable; +}; + +#define _getCharWidth(f,c) (((c) < (f)->minChar || (c) > (f)->maxChar) ? 0 : (f)->widthTable[(c) - (f)->minChar]) +#define _getCharOffset(f,c) ((f)->offsetTable[(c) - (f)->minChar]) +#define _getCharData(f,c) (&(f)->dataTable[_getCharOffset(f, c)]) + +#endif /* _GDISP_FONTS_H */ +/** @} */ + -- cgit v1.2.3