mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
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/*
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* allFonts.h font header for GLCD library
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* The fonts listed below will be available in a sketch if this file is included
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*
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* If you create your own fonts you can add the header to this file
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*
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* Note that the build environment only holds a font in Flash if its selected
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* so there is no penalty to including a font file here if its not used
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*/
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/**
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* @file allFonts.h
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* @brief Font definitions.
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*/
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#ifndef _allFonts_h_
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#define _allFonts_h_
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#ifdef __AVR__
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#include <avr/pgmspace.h>
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/** declare a font for AVR. */
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#define GLCDFONTDECL(_n) static const uint8_t __attribute__ ((progmem))_n[]
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#define readFontByte(addr) pgm_read_byte(addr)
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#else // __AVR__
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/** declare a font. */
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#define GLCDFONTDECL(_n) static const uint8_t _n[]
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/** Fake read from flash. */
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#define readFontByte(addr) (*(const unsigned char *)(addr))
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#endif // __AVR__
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//------------------------------------------------------------------------------
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// Font Indices
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/** No longer used Big Endian length field. Now indicates font type.
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*
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* 00 00 (fixed width font with 1 padding pixel on right and below)
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*
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* 00 01 (fixed width font with no padding pixels)
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*/
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#define FONT_LENGTH 0
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/** Maximum character width. */
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#define FONT_WIDTH 2
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/** Font hight in pixels */
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#define FONT_HEIGHT 3
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/** Ascii value of first character */
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#define FONT_FIRST_CHAR 4
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/** count of characters in font. */
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#define FONT_CHAR_COUNT 5
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/** Offset to width table. */
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#define FONT_WIDTH_TABLE 6
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//
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// FONT_LENGTH is a 16 bit Big Endian length field.
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// Unfortunately, FontCreator2 screwed up the value it put in the field
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// so it is pretty much meaningless. However it still is used to indicate
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// some special things.
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// 00 00 (fixed width font with 1 padding pixel on right and below)
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// 00 01 (fixed width font with no padding pixels)
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// FONT_WIDTH it the max character width.
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// any other value means variable width font in FontCreator2 (thiele)
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// format with pixel padding
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#include "System5x7.h" // system font (fixed width)
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#endif
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