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author | Owen Taylor <otaylor@src.gnome.org> | 2000-01-13 04:12:07 +0000 |
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committer | Owen Taylor <otaylor@src.gnome.org> | 2000-01-13 04:12:07 +0000 |
commit | 282fb5fc9f9d01c4d933a6eb6bee6ae9f0d512c7 (patch) | |
tree | 0b19c69692a2fe52a1b33d5e27c97b26a64417e3 /pango/break.c | |
parent | 66ae87f9fc45f5f564acf5014e9bd1341d052958 (diff) | |
download | pango-282fb5fc9f9d01c4d933a6eb6bee6ae9f0d512c7.tar.gz |
Initial revision
Diffstat (limited to 'pango/break.c')
-rw-r--r-- | pango/break.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/pango/break.c b/pango/break.c new file mode 100644 index 00000000..997635b3 --- /dev/null +++ b/pango/break.c @@ -0,0 +1,66 @@ +/* Pango + * break.c: + * + * Copyright (C) 1999 Red Hat Software + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <pango.h> +#include <unicode.h> +#include "utils.h" + +/** + * pango_break: + * @text: the text to process + * @length: the length (in bytes) of @text + * @analysis: #PangoAnalysis structure from PangoItemize + * @attrs: an array to store character information in + * + * Determines possible line, word, and character breaks + * for a string of Unicode text. + */ +void pango_break (gchar *text, + gint length, + PangoAnalysis *analysis, + PangoLogAttr *attrs) +{ + /* Pseudo-implementation */ + + gchar *cur = text; + gchar *next; + gint i = 0; + GUChar4 wc; + + while (*cur) + { + next = unicode_get_utf8 (cur, &wc); + if (!next) + return; /* FIXME: ERROR */ + if (cur == next) + break; + if ((next - text) > length) + break; + cur = next; + + attrs[i].is_white = (wc == ' ' || wc == '\t' || wc == '\n') ? 1 : 0; + attrs[i].is_break = (i > 0 && attrs[i-1].is_white) || attrs[i].is_white; + attrs[i].is_char_stop = 1; + attrs[i].is_word_stop = (i == 0) || attrs[i-1].is_white; + + i++; + } +} |