149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/* Configuration constants for mcufont. */
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#ifndef _MF_CONFIG_H_
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#define _MF_CONFIG_H_
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#include <gfx.h>
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/* Mapping from uGFX settings to mcufont settings */
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#if GDISP_NEED_UTF8
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#define MF_ENCODING MF_ENCODING_UTF8
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#else
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#define MF_ENCODING MF_ENCODING_ASCII
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#endif
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#define MF_USE_KERNING GDISP_NEED_TEXT_KERNING
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/* These are not used for now */
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#define MF_USE_ADVANCED_WORDWRAP 0
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#define MF_USE_JUSTIFY 0
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/*******************************************************
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* Configuration settings related to build environment *
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*******************************************************/
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/* Name of the file that contains all the included fonts. */
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#ifndef MF_FONT_FILE_NAME
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#define MF_FONT_FILE_NAME "fonts.h"
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#endif
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/*****************************************
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* Configuration settings related to API *
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*****************************************/
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/* Encoding for the input data.
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* With the unicode encodings, the library supports the range of unicode
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* characters 0x0000-0xFFFF (the Basic Multilingual Plane).
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*
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* ASCII: Plain ascii (somewhat works with ISO8859-1 also)
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* UTF8: UTF8 encoding (variable number of bytes)
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* UTF16: UTF16 encoding (2 bytes per character, compatible with UCS-2)
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* WCHAR: Use compiler's wchar_t (usually same as UTF16)
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*/
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#define MF_ENCODING_ASCII 0
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#define MF_ENCODING_UTF8 1
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#define MF_ENCODING_UTF16 2
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#define MF_ENCODING_WCHAR 3
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#ifndef MF_ENCODING
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#define MF_ENCODING MF_ENCODING_UTF8
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#endif
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/************************************************************************
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* Configuration settings related to visual appearance of rendered text *
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************************************************************************/
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/* Minimum space between characters, in percents of the glyph width.
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* Increasing this causes the kerning module to leave more space between
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* characters.
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*/
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#ifndef MF_KERNING_SPACE_PERCENT
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#define MF_KERNING_SPACE_PERCENT 15
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#endif
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/* Minimum space between characters, in pixels. Added to the percentual
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* spacing. This pixel-based value guarantees enough space even with small
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* fonts.
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*/
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#ifndef MF_KERNING_SPACE_PIXELS
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#define MF_KERNING_SPACE_PIXELS 3
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#endif
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/* Maximum adjustment done by the kerning algorithm, as percent of the
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* glyph width.
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*/
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#ifndef MF_KERNING_LIMIT
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#define MF_KERNING_LIMIT 20
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#endif
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/* Spacing of tabulator stops. The value is multiplied by the width of the
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* 'm' character in the current font.
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*/
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#ifndef MF_TABSIZE
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#define MF_TABSIZE 8
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#endif
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/*************************************************************************
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* Configuration settings to strip down library to reduce resource usage *
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*************************************************************************/
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/* Enable or disable the kerning module.
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* Disabling it saves some code size and run time, but causes the spacing
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* between characters to be less consistent.
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*/
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#ifndef MF_USE_KERNING
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#define MF_USE_KERNING 1
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#endif
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/* Enable or disable the advanced word wrap algorithm.
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* If disabled, uses a simpler algorithm.
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*/
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#ifndef MF_USE_ADVANCED_WORDWRAP
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#define MF_USE_ADVANCED_WORDWRAP 1
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#endif
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/* Enable of disable the justification algorithm.
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* If disabled, mf_render_justified renders just left-aligned.
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*/
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#ifndef MF_USE_JUSTIFY
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#define MF_USE_JUSTIFY 1
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#endif
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/* Enable or disable the center and right alignment code.
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* If disabled, any alignment results in MF_ALIGN_LEFT.
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*/
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#ifndef MF_USE_ALIGN
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#define MF_USE_ALIGN 1
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#endif
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/* Enable or disable the support for tab alignment.
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* If disabled, tabs will be rendered as regular space character.
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*/
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#ifndef MF_USE_TABS
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#define MF_USE_TABS 1
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#endif
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/* Number of vertical zones to use when computing kerning.
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* Larger values give more accurate kerning, but are slower and use somewhat
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* more memory. There is no point to increase this beyond the height of the
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* font.
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*/
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#ifndef MF_KERNING_ZONES
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#define MF_KERNING_ZONES 16
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#endif
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/* Add extern "C" when used from C++. */
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#ifdef __cplusplus
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#define MF_EXTERN extern "C"
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#else
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#define MF_EXTERN extern
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#endif
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#endif
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