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Long word breaking algorithm

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This commit is contained in:
Brian Pugh
2019-01-03 23:09:58 -08:00
parent 53c19167f3
commit 0a0df60f77
1 changed files with 22 additions and 0 deletions
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22
lv_misc/lv_txt.c
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@@ -175,6 +175,28 @@ uint16_t lv_txt_get_next_line(const char * txt, const lv_font_t * font,
/*If the txt is too long then finish, this is the line end*/
if(cur_w > max_width) {
/* Continue searching for next breakable character to see if the next word will fit */
uint32_t i_tmp = i;
cur_w = 0;
while(txt[i_tmp] != 0) {
letter = lv_txt_encoded_next(txt, &i_tmp);
/*Check for new line chars*/
if(letter == '\n' || letter == '\r') {
uint32_t i_tmp2 = i;
uint32_t letter_next = lv_txt_encoded_next(txt, &i_tmp2);
if(letter == '\r' && letter_next == '\n') i = i_tmp2;
break;
}
else if (is_break_char(letter)) {
break;
}
lv_coord_t letter_width = lv_font_get_width(font, letter);
cur_w += letter_width;
if(cur_w > max_width) {
return i;
}
}
/*If this a break char then break here.*/
if(is_break_char(letter)) {
/* Now 'i' points to the next char because of txt_utf8_next()