diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/fitz/stext-search.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/source/fitz/stext-search.c b/source/fitz/stext-search.c index 0805d3dc..14aa002e 100644 --- a/source/fitz/stext-search.c +++ b/source/fitz/stext-search.c @@ -180,6 +180,73 @@ fz_enumerate_selection(fz_context *ctx, fz_stext_page *page, fz_point a, fz_poin } } +fz_quad +fz_snap_selection(fz_context *ctx, fz_stext_page *page, fz_point *a, fz_point *b, int mode) +{ + fz_stext_block *block; + fz_stext_line *line; + fz_stext_char *ch; + fz_quad handles; + int idx, start, end; + int pc; + + start = find_closest_in_page(page, *a); + end = find_closest_in_page(page, *b); + + if (start > end) + idx = start, start = end, end = idx; + + handles.ll = handles.ul = *a; + handles.lr = handles.ur = *b; + + idx = 0; + for (block = page->first_block; block; block = block->next) + { + if (block->type != FZ_STEXT_BLOCK_TEXT) + continue; + for (line = block->u.t.first_line; line; line = line->next) + { + pc = '\n'; + for (ch = line->first_char; ch; ch = ch->next) + { + if (idx <= start) + { + if (mode == FZ_SELECT_CHARS + || (mode == FZ_SELECT_WORDS && (pc == ' ' || pc == '\n')) + || (mode == FZ_SELECT_LINES && (pc == '\n'))) + { + handles.ll = ch->quad.ll; + handles.ul = ch->quad.ul; + *a = ch->origin; + } + } + if (idx >= end) + { + if (mode == FZ_SELECT_CHARS + || (mode == FZ_SELECT_WORDS && (ch->c == ' '))) + { + handles.lr = ch->quad.ll; + handles.ur = ch->quad.ul; + *b = ch->origin; + return handles; + } + if (!ch->next) + { + handles.lr = ch->quad.lr; + handles.ur = ch->quad.ur; + *b = ch->quad.lr; + return handles; + } + } + pc = ch->c; + ++idx; + } + } + } + + return handles; +} + /* Highlight selection */ struct highlight |