mirror of
https://github.com/shchmue/Lockpick_RCM.git
synced 2024-11-14 04:25:08 +01:00
198 lines
6.6 KiB
C
198 lines
6.6 KiB
C
/**
|
|
* @file lv_text.h
|
|
*
|
|
*/
|
|
|
|
#ifndef LV_TXT_H
|
|
#define LV_TXT_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#ifdef LV_CONF_INCLUDE_SIMPLE
|
|
#include "lv_conf.h"
|
|
#else
|
|
#include "../../lv_conf.h"
|
|
#endif
|
|
|
|
#include "lv_area.h"
|
|
#include "lv_font.h"
|
|
#include "lv_area.h"
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
#define LV_TXT_COLOR_CMD "#"
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
enum
|
|
{
|
|
LV_TXT_FLAG_NONE = 0x00,
|
|
LV_TXT_FLAG_RECOLOR = 0x01, /*Enable parsing of recolor command*/
|
|
LV_TXT_FLAG_EXPAND = 0x02, /*Ignore width to avoid automatic word wrapping*/
|
|
LV_TXT_FLAG_CENTER = 0x04, /*Align the text to the middle*/
|
|
LV_TXT_FLAG_RIGHT = 0x08, /*Align the text to the right*/
|
|
};
|
|
typedef uint8_t lv_txt_flag_t;
|
|
|
|
enum
|
|
{
|
|
LV_TXT_CMD_STATE_WAIT, /*Waiting for command*/
|
|
LV_TXT_CMD_STATE_PAR, /*Processing the parameter*/
|
|
LV_TXT_CMD_STATE_IN, /*Processing the command*/
|
|
};
|
|
typedef uint8_t lv_txt_cmd_state_t;
|
|
|
|
/**********************
|
|
* GLOBAL PROTOTYPES
|
|
**********************/
|
|
|
|
/**
|
|
* Get size of a text
|
|
* @param size_res pointer to a 'point_t' variable to store the result
|
|
* @param text pointer to a text
|
|
* @param font pinter to font of the text
|
|
* @param letter_space letter space of the text
|
|
* @param line_space line space of the text
|
|
* @param flags settings for the text from 'txt_flag_t' enum
|
|
* @param max_width max with of the text (break the lines to fit this size) Set CORD_MAX to avoid line breaks
|
|
*/
|
|
void lv_txt_get_size(lv_point_t * size_res, const char * text, const lv_font_t * font,
|
|
lv_coord_t letter_space, lv_coord_t line_space, lv_coord_t max_width, lv_txt_flag_t flag);
|
|
|
|
/**
|
|
* Get the next line of text. Check line length and break chars too.
|
|
* @param txt a '\0' terminated string
|
|
* @param font pointer to a font
|
|
* @param letter_space letter space
|
|
* @param max_width max with of the text (break the lines to fit this size) Set CORD_MAX to avoid line breaks
|
|
* @param flags settings for the text from 'txt_flag_type' enum
|
|
* @return the index of the first char of the new line (in byte index not letter index. With UTF-8 they are different)
|
|
*/
|
|
uint16_t lv_txt_get_next_line(const char * txt, const lv_font_t * font,
|
|
lv_coord_t letter_space, lv_coord_t max_width, lv_txt_flag_t flag);
|
|
|
|
/**
|
|
* Give the length of a text with a given font
|
|
* @param txt a '\0' terminate string
|
|
* @param length length of 'txt' in byte count and not characters (Á is 1 character but 2 bytes in UTF-8)
|
|
* @param font pointer to a font
|
|
* @param letter_space letter space
|
|
* @param flags settings for the text from 'txt_flag_t' enum
|
|
* @return length of a char_num long text
|
|
*/
|
|
lv_coord_t lv_txt_get_width(const char * txt, uint16_t length,
|
|
const lv_font_t * font, lv_coord_t letter_space, lv_txt_flag_t flag);
|
|
|
|
|
|
/**
|
|
* Check next character in a string and decide if te character is part of the command or not
|
|
* @param state pointer to a txt_cmd_state_t variable which stores the current state of command processing
|
|
* @param c the current character
|
|
* @return true: the character is part of a command and should not be written,
|
|
* false: the character should be written
|
|
*/
|
|
bool lv_txt_is_cmd(lv_txt_cmd_state_t * state, uint32_t c);
|
|
|
|
/**
|
|
* Insert a string into an other
|
|
* @param txt_buf the original text (must be big enough for the result text)
|
|
* @param pos position to insert (0: before the original text, 1: after the first char etc.)
|
|
* @param ins_txt text to insert
|
|
*/
|
|
void lv_txt_ins(char * txt_buf, uint32_t pos, const char * ins_txt);
|
|
|
|
/**
|
|
* Delete a part of a string
|
|
* @param txt string to modify
|
|
* @param pos position where to start the deleting (0: before the first char, 1: after the first char etc.)
|
|
* @param len number of characters to delete
|
|
*/
|
|
void lv_txt_cut(char * txt, uint32_t pos, uint32_t len);
|
|
|
|
/***************************************************************
|
|
* GLOBAL FUNCTION POINTERS FOR CAHRACTER ENCODING INTERFACE
|
|
***************************************************************/
|
|
|
|
/**
|
|
* Give the size of an encoded character
|
|
* @param str pointer to a character in a string
|
|
* @return length of the encoded character (1,2,3 ...). O in invalid
|
|
*/
|
|
extern uint8_t (*lv_txt_encoded_size)(const char *);
|
|
|
|
|
|
/**
|
|
* Convert an Unicode letter to encoded
|
|
* @param letter_uni an Unicode letter
|
|
* @return Encoded character in Little Endian to be compatible with C chars (e.g. 'Á', 'Ü')
|
|
*/
|
|
extern uint32_t (*lv_txt_unicode_to_encoded)(uint32_t );
|
|
|
|
/**
|
|
* Convert a wide character, e.g. 'Á' little endian to be compatible with the encoded format.
|
|
* @param c a wide character
|
|
* @return `c` in the encoded format
|
|
*/
|
|
extern uint32_t (*lv_txt_encoded_conv_wc) (uint32_t c);
|
|
|
|
/**
|
|
* Decode the next encoded character from a string.
|
|
* @param txt pointer to '\0' terminated string
|
|
* @param i start index in 'txt' where to start.
|
|
* After the call it will point to the next encoded char in 'txt'.
|
|
* NULL to use txt[0] as index
|
|
* @return the decoded Unicode character or 0 on invalid data code
|
|
*/
|
|
extern uint32_t (*lv_txt_encoded_next)(const char *, uint32_t * );
|
|
|
|
/**
|
|
* Get the previous encoded character form a string.
|
|
* @param txt pointer to '\0' terminated string
|
|
* @param i_start index in 'txt' where to start. After the call it will point to the previous encoded char in 'txt'.
|
|
* @return the decoded Unicode character or 0 on invalid data
|
|
*/
|
|
extern uint32_t (*lv_txt_encoded_prev)(const char *, uint32_t *);
|
|
|
|
/**
|
|
* Convert a letter index (in an the encoded text) to byte index.
|
|
* E.g. in UTF-8 "AÁRT" index of 'R' is 2 but start at byte 3 because 'Á' is 2 bytes long
|
|
* @param txt a '\0' terminated UTF-8 string
|
|
* @param enc_id letter index
|
|
* @return byte index of the 'enc_id'th letter
|
|
*/
|
|
extern uint32_t (*lv_txt_encoded_get_byte_id)(const char *, uint32_t);
|
|
|
|
/**
|
|
* Convert a byte index (in an encoded text) to character index.
|
|
* E.g. in UTF-8 "AÁRT" index of 'R' is 2 but start at byte 3 because 'Á' is 2 bytes long
|
|
* @param txt a '\0' terminated UTF-8 string
|
|
* @param byte_id byte index
|
|
* @return character index of the letter at 'byte_id'th position
|
|
*/
|
|
extern uint32_t (*lv_encoded_get_char_id)(const char *, uint32_t);
|
|
|
|
/**
|
|
* Get the number of characters (and NOT bytes) in a string.
|
|
* E.g. in UTF-8 "ÁBC" is 3 characters (but 4 bytes)
|
|
* @param txt a '\0' terminated char string
|
|
* @return number of characters
|
|
*/
|
|
extern uint32_t (*lv_txt_get_encoded_length)(const char *);
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /*USE_TXT*/
|