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https://github.com/CTCaer/hekate.git
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185526d134
BDK will allow developers to use the full collection of drivers, with limited editing, if any, for making payloads for Nintendo Switch. Using a single source for everything will also help decoupling Switch specific code and easily port it to other Tegra X1/X1+ platforms. And maybe even to lower targets. Everything is now centrilized into bdk folder. Every module or project can utilize it by simply including it. This is just the start and it will continue to improve.
191 lines
5.3 KiB
C
191 lines
5.3 KiB
C
/**
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* @file lv_font.h
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*
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*/
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#ifndef LV_FONT_H
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#define LV_FONT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#include <stdint.h>
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#include <stddef.h>
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#include "lv_symbol_def.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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typedef struct
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{
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uint32_t w_px :8;
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uint32_t glyph_index :24;
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} lv_font_glyph_dsc_t;
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typedef struct
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{
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uint32_t unicode :21;
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uint32_t glyph_dsc_index :11;
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} lv_font_unicode_map_t;
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typedef struct _lv_font_struct
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{
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uint32_t unicode_first;
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uint32_t unicode_last;
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const uint8_t * glyph_bitmap;
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const lv_font_glyph_dsc_t * glyph_dsc;
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const uint32_t * unicode_list;
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const uint8_t * (*get_bitmap)(const struct _lv_font_struct *,uint32_t); /*Get a glyph's bitmap from a font*/
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int16_t (*get_width)(const struct _lv_font_struct *,uint32_t); /*Get a glyph's with with a given font*/
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struct _lv_font_struct * next_page; /*Pointer to a font extension*/
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uint32_t h_px :8;
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uint32_t bpp :4; /*Bit per pixel: 1, 2 or 4*/
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uint32_t monospace :8; /*Fix width (0: normal width)*/
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uint16_t glyph_cnt; /*Number of glyphs (letters) in the font*/
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} lv_font_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize the fonts
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*/
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void lv_font_init(void);
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/**
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* Add a font to an other to extend the character set.
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* @param child the font to add
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* @param parent this font will be extended. Using it later will contain the characters from `child`
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*/
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void lv_font_add(lv_font_t *child, lv_font_t *parent);
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/**
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* Remove a font from a character set.
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* @param child the font to remove
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* @param parent remove `child` from here
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*/
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void lv_font_remove(lv_font_t * child, lv_font_t * parent);
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/**
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* Tells if font which contains `letter` is monospace or not
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* @param font_p point to font
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* @param letter an UNICODE character code
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* @return true: the letter is monospace; false not monospace
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*/
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bool lv_font_is_monospace(const lv_font_t * font_p, uint32_t letter);
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/**
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* Return with the bitmap of a font.
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* @param font_p pointer to a font
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* @param letter an UNICODE character code
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* @return pointer to the bitmap of the letter
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*/
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const uint8_t * lv_font_get_bitmap(const lv_font_t * font_p, uint32_t letter);
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/**
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* Get the width of a letter in a font. If `monospace` is set then return with it.
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* @param font_p pointer to a font
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* @param letter an UNICODE character code
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* @return the width of a letter
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*/
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uint8_t lv_font_get_width(const lv_font_t * font_p, uint32_t letter);
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/**
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* Get the width of the letter without overwriting it with the `monospace` attribute
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* @param font_p pointer to a font
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* @param letter an UNICODE character code
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* @return the width of a letter
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*/
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uint8_t lv_font_get_real_width(const lv_font_t * font_p, uint32_t letter);
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/**
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* Get the height of a font
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* @param font_p pointer to a font
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* @return the height of a font
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*/
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static inline uint8_t lv_font_get_height(const lv_font_t * font_p)
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{
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return font_p->h_px;
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}
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/**
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* Get the bit-per-pixel of font
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* @param font pointer to font
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* @param letter a letter from font (font extensions can have different bpp)
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* @return bpp of the font (or font extension)
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*/
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uint8_t lv_font_get_bpp(const lv_font_t * font, uint32_t letter);
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/**
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* Generic bitmap get function used in 'font->get_bitmap' when the font contains all characters in the range
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* @param font pointer to font
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* @param unicode_letter an unicode letter which bitmap should be get
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* @return pointer to the bitmap or NULL if not found
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*/
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const uint8_t * lv_font_get_bitmap_continuous(const lv_font_t * font, uint32_t unicode_letter);
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/**
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* Generic bitmap get function used in 'font->get_bitmap' when the font NOT contains all characters in the range (sparse)
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* @param font pointer to font
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* @param unicode_letter an unicode letter which bitmap should be get
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* @return pointer to the bitmap or NULL if not found
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*/
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const uint8_t * lv_font_get_bitmap_sparse(const lv_font_t * font, uint32_t unicode_letter);
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/**
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* Generic glyph width get function used in 'font->get_width' when the font contains all characters in the range
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* @param font pointer to font
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* @param unicode_letter an unicode letter which width should be get
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* @return width of the gylph or -1 if not found
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*/
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int16_t lv_font_get_width_continuous(const lv_font_t * font, uint32_t unicode_letter);
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/**
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* Generic glyph width get function used in 'font->get_bitmap' when the font NOT contains all characters in the range (sparse)
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* @param font pointer to font
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* @param unicode_letter an unicode letter which width should be get
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* @return width of the glyph or -1 if not found
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*/
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int16_t lv_font_get_width_sparse(const lv_font_t * font, uint32_t unicode_letter);
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/**********************
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* MACROS
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**********************/
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#define LV_FONT_DECLARE(font_name) extern lv_font_t font_name;
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/**********************
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* ADD BUILT IN FONTS
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**********************/
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#include "../lv_fonts/lv_font_builtin.h"
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/*Declare the custom (user defined) fonts*/
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#ifdef LV_FONT_CUSTOM_DECLARE
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LV_FONT_CUSTOM_DECLARE
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*USE_FONT*/
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