diff options
Diffstat (limited to 'pango/pango.h')
| -rw-r--r-- | pango/pango.h | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/pango/pango.h b/pango/pango.h index e0652fd0..3cbc0f59 100644 --- a/pango/pango.h +++ b/pango/pango.h @@ -39,14 +39,40 @@ extern "C" { #include <pango/pango-layout.h> #include <pango/pango-types.h> -/* Logical attributes of a character +/* Logical attributes of a character. */ struct _PangoLogAttr { - guint is_break : 1; /* Break in front of character */ - guint is_white : 1; - guint is_char_stop : 1; - guint is_word_stop : 1; + guint is_break : 1; /* Can break line in front of character */ + + guint is_mandatory_break : 1; /* Must break line in front of character */ + + guint is_white : 1; /* Whitespace character */ + + /* cursor can appear in front of character (i.e. this is a grapheme + * boundary, or the first character in the text) + */ + guint is_cursor_position : 1; + + /* Note that in degenerate cases, you could have both start/end set on + * some text, most likely for sentences (e.g. no space after a period, so + * the next sentence starts right away) + */ + + guint is_word_start : 1; /* first character in a word */ + guint is_word_end : 1; /* is first non-word char after a word */ + + /* There are two ways to divide sentences. The first assigns all + * intersentence whitespace/control/format chars to some sentence, + * so all chars are in some sentence; is_sentence_boundary denotes + * the boundaries there. The second way doesn't assign + * between-sentence spaces, etc. to any sentence, so + * is_sentence_start/is_sentence_end mark the boundaries of those + * sentences. + */ + guint is_sentence_boundary : 1; + guint is_sentence_start : 1; /* first character in a sentence */ + guint is_sentence_end : 1; /* first non-sentence char after a sentence */ }; /* Determine information about cluster/word/line breaks in a string @@ -57,6 +83,11 @@ void pango_break (const gchar *text, PangoAnalysis *analysis, PangoLogAttr *attrs); +void pango_find_paragraph_boundary (const gchar *text, + gint length, + gint *paragraph_delimiter_index, + gint *next_paragraph_start); + void pango_get_log_attrs (const char *text, int length, int level, @@ -72,6 +103,16 @@ void pango_shape (const gchar *text, GList *pango_reorder_items (GList *logical_items); +/* This is the default break algorithm, used if no language + * engine overrides it. Normally you should use pango_break() + * instead; this function is mostly useful for chaining up + * from a language engine override. + */ +void pango_default_break (const gchar *text, + gint length, + PangoAnalysis *analysis, + PangoLogAttr *attrs); + #ifdef __cplusplus } #endif /* __cplusplus */ |