35     static uint32_t lv_text_utf8_next(const char * txt, uint32_t * i);
36     static uint32_t lv_text_utf8_prev(const char * txt, uint32_t * i_start);
37     static uint32_t lv_text_utf8_get_byte_id(const char * txt, uint32_t utf8_id);
38     static uint32_t lv_text_utf8_get_char_id(const char * txt, uint32_t byte_id);
39     static uint32_t lv_text_utf8_get_length(const char * txt);
44     static uint32_t lv_text_iso8859_1_next(const char * txt, uint32_t * i);
45     static uint32_t lv_text_iso8859_1_prev(const char * txt, uint32_t * i_start);
46     static uint32_t lv_text_iso8859_1_get_byte_id(const char * txt, uint32_t utf8_id);
47     static uint32_t lv_text_iso8859_1_get_char_id(const char * txt, uint32_t byte_id);
48     static uint32_t lv_text_iso8859_1_get_length(const char * txt);
201 static uint32_t lv_text_get_next_word(const char * txt, const lv_font_t * font,  in lv_text_get_next_word()  argument
206     if(txt == NULL || txt[0] == '\0') return 0;  in lv_text_get_next_word()
220     letter = lv_text_encoded_next(txt, &i_next);  in lv_text_get_next_word()
224     while(txt[i] != '\0') {  in lv_text_get_next_word()
225         letter_next = lv_text_encoded_next(txt, &i_next_next);  in lv_text_get_next_word()
305             lv_text_encoded_prev(txt, &i);  in lv_text_get_next_word()
321 uint32_t lv_text_get_next_line(const char * txt, uint32_t len,  in lv_text_get_next_line()  argument
327     if(txt == NULL) return 0;  in lv_text_get_next_line()
328     if(txt[0] == '\0') return 0;  in lv_text_get_next_line()
337         for(i = 0; i < len && txt[i] != '\n' && txt[i] != '\r' && txt[i] != '\0'; i++) {  in lv_text_get_next_line()
340         if(i < len && txt[i] != '\0') i++;    /*To go beyond `\n`*/  in lv_text_get_next_line()
350     while(i < len && txt[i] != '\0' && max_width > 0) {  in lv_text_get_next_line()
355 …uint32_t advance = lv_text_get_next_word(&txt[i], font, letter_space, max_width, word_flag, &word_…  in lv_text_get_next_line()
365         if(txt[0] == '\n' || txt[0] == '\r') break;  in lv_text_get_next_line()
367         if(txt[i] == '\n' || txt[i] == '\r') {  in lv_text_get_next_line()
376         uint32_t letter = lv_text_encoded_next(txt, &i);  in lv_text_get_next_line()
389 int32_t lv_text_get_width(const char * txt, uint32_t length, const lv_font_t * font, int32_t letter…  in lv_text_get_width()  argument
391     if(txt == NULL) return 0;  in lv_text_get_width()
393     if(txt[0] == '\0') return 0;  in lv_text_get_width()
402             lv_text_encoded_letter_next_2(txt, &letter, &letter_next, &i);  in lv_text_get_width()
420 int32_t lv_text_get_width_with_flags(const char * txt, uint32_t length, const lv_font_t * font, int…  in lv_text_get_width_with_flags()  argument
423     if(txt == NULL) return 0;  in lv_text_get_width_with_flags()
425     if(txt[0] == '\0') return 0;  in lv_text_get_width_with_flags()
435             lv_text_encoded_letter_next_2(txt, &letter, &letter_next, &i);  in lv_text_get_width_with_flags()
480 void lv_text_cut(char * txt, uint32_t pos, uint32_t len)  in lv_text_cut()  argument
482     if(txt == NULL) return;  in lv_text_cut()
484     size_t old_len = lv_strlen(txt);  in lv_text_cut()
486     pos = lv_text_encoded_get_byte_id(txt, pos); /*Convert to byte index instead of letter index*/  in lv_text_cut()
487     len = lv_text_encoded_get_byte_id(&txt[pos], len);  in lv_text_cut()
492         txt[i] = txt[i + len];  in lv_text_cut()
538 void lv_text_encoded_letter_next_2(const char * txt, uint32_t * letter, uint32_t * letter_next, uin…  in lv_text_encoded_letter_next_2()  argument
540     *letter = lv_text_encoded_next(txt, ofs);  in lv_text_encoded_letter_next_2()
541     *letter_next = *letter != '\0' ? lv_text_encoded_next(&txt[*ofs], NULL) : 0;  in lv_text_encoded_letter_next_2()
636 static uint32_t lv_text_utf8_next(const char * txt, uint32_t * i)  in lv_text_utf8_next()  argument
653     if(LV_IS_ASCII(txt[*i])) {  in lv_text_utf8_next()
654         result = txt[*i];  in lv_text_utf8_next()
660         if(LV_IS_2BYTES_UTF8_CODE(txt[*i])) {  in lv_text_utf8_next()
661             result = (uint32_t)(txt[*i] & 0x1F) << 6;  in lv_text_utf8_next()
663             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
664             result += (txt[*i] & 0x3F);  in lv_text_utf8_next()
668         else if(LV_IS_3BYTES_UTF8_CODE(txt[*i])) {  in lv_text_utf8_next()
669             result = (uint32_t)(txt[*i] & 0x0F) << 12;  in lv_text_utf8_next()
672             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
673             result += (uint32_t)(txt[*i] & 0x3F) << 6;  in lv_text_utf8_next()
676             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
677             result += (txt[*i] & 0x3F);  in lv_text_utf8_next()
681         else if(LV_IS_4BYTES_UTF8_CODE(txt[*i])) {  in lv_text_utf8_next()
682             result = (uint32_t)(txt[*i] & 0x07) << 18;  in lv_text_utf8_next()
685             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
686             result += (uint32_t)(txt[*i] & 0x3F) << 12;  in lv_text_utf8_next()
689             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
690             result += (uint32_t)(txt[*i] & 0x3F) << 6;  in lv_text_utf8_next()
693             if(LV_IS_INVALID_UTF8_CODE(txt[*i])) return 0;  in lv_text_utf8_next()
694             result += txt[*i] & 0x3F;  in lv_text_utf8_next()
711 static uint32_t lv_text_utf8_prev(const char * txt, uint32_t * i)  in lv_text_utf8_prev()  argument
721         c_size = lv_text_encoded_size(&txt[*i]);  in lv_text_utf8_prev()
732     uint32_t letter = lv_text_encoded_next(txt, &i_tmp); /*Character found, get it*/  in lv_text_utf8_prev()
744 static uint32_t lv_text_utf8_get_byte_id(const char * txt, uint32_t utf8_id)  in lv_text_utf8_get_byte_id()  argument
748     for(i = 0; i < utf8_id && txt[byte_cnt] != '\0'; i++) {  in lv_text_utf8_get_byte_id()
749         uint8_t c_size = lv_text_encoded_size(&txt[byte_cnt]);  in lv_text_utf8_get_byte_id()
764 static uint32_t lv_text_utf8_get_char_id(const char * txt, uint32_t byte_id)  in lv_text_utf8_get_char_id()  argument
770         lv_text_encoded_next(txt, &i); /*'i' points to the next letter so use the prev. value*/  in lv_text_utf8_get_char_id()
783 static uint32_t lv_text_utf8_get_length(const char * txt)  in lv_text_utf8_get_length()  argument
788     while(txt[i] != '\0') {  in lv_text_utf8_get_length()
789         lv_text_encoded_next(txt, &i);  in lv_text_utf8_get_length()
844 static uint32_t lv_text_iso8859_1_next(const char * txt, uint32_t * i)  in lv_text_iso8859_1_next()  argument
846     if(i == NULL) return txt[0]; /*Get the next char*/  in lv_text_iso8859_1_next()
848     uint8_t letter = txt[*i];  in lv_text_iso8859_1_next()
859 static uint32_t lv_text_iso8859_1_prev(const char * txt, uint32_t * i)  in lv_text_iso8859_1_prev()  argument
861     if(i == NULL) return *(txt - 1); /*Get the prev. char*/  in lv_text_iso8859_1_prev()
864     uint8_t letter = txt[*i];  in lv_text_iso8859_1_prev()
876 static uint32_t lv_text_iso8859_1_get_byte_id(const char * txt, uint32_t utf8_id)  in lv_text_iso8859_1_get_byte_id()  argument
878     LV_UNUSED(txt); /*Unused*/  in lv_text_iso8859_1_get_byte_id()
889 static uint32_t lv_text_iso8859_1_get_char_id(const char * txt, uint32_t byte_id)  in lv_text_iso8859_1_get_char_id()  argument
891     LV_UNUSED(txt); /*Unused*/  in lv_text_iso8859_1_get_char_id()
901 static uint32_t lv_text_iso8859_1_get_length(const char * txt)  in lv_text_iso8859_1_get_length()  argument
903     return lv_strlen(txt);  in lv_text_iso8859_1_get_length()