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[hb-ot-layout] Document some return values

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Khaled Hosny 2021-04-30 16:56:39 +02:00 committed by Behdad Esfahbod
parent 46362a954c
commit 90713f270e
1 changed files with 23 additions and 2 deletions
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25
src/hb-ot-layout.cc
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@ -331,6 +331,8 @@ hb_ot_layout_get_glyphs_in_class (hb_face_t *face,
*
* Useful if the client program wishes to cache the list.
*
* Return value: Total number of attachment points for @glyph.
*
**/
unsigned int
hb_ot_layout_get_attach_points (hb_face_t *face,
@ -357,6 +359,8 @@ hb_ot_layout_get_attach_points (hb_face_t *face,
* Fetches a list of the caret positions defined for a ligature glyph in the GDEF
* table of the font. The list returned will begin at the offset provided.
*
* Return value: Total number of ligature caret positions for @glyph.
*
**/
unsigned int
hb_ot_layout_get_ligature_carets (hb_font_t *font,
@ -419,6 +423,8 @@ get_gsubgpos_table (hb_face_t *face,
* Fetches a list of all scripts enumerated in the specified face's GSUB table
* or GPOS table. The list returned will begin at the offset provided.
*
* Return value: Total number of script tags.
*
**/
unsigned int
hb_ot_layout_table_get_script_tags (hb_face_t *face,
@ -585,6 +591,8 @@ hb_ot_layout_table_select_script (hb_face_t *face,
*
* Fetches a list of all feature tags in the given face's GSUB or GPOS table.
*
* Return value: Total number of feature tags.
*
**/
unsigned int
hb_ot_layout_table_get_feature_tags (hb_face_t *face,
@ -647,6 +655,8 @@ hb_ot_layout_table_find_feature (hb_face_t *face,
* Fetches a list of language tags in the given face's GSUB or GPOS table, underneath
* the specified script index. The list returned will begin at the offset provided.
*
* Return value: Total number of language tags.
*
**/
unsigned int
hb_ot_layout_script_get_language_tags (hb_face_t *face,
@ -818,6 +828,8 @@ hb_ot_layout_language_get_required_feature (hb_face_t *face,
* Fetches a list of all features in the specified face's GSUB table
* or GPOS table, underneath the specified script and language. The list
* returned will begin at the offset provided.
*
* Return value: Total number of features.
**/
unsigned int
hb_ot_layout_language_get_feature_indexes (hb_face_t *face,
@ -850,6 +862,7 @@ hb_ot_layout_language_get_feature_indexes (hb_face_t *face,
* or GPOS table, underneath the specified script and language. The list
* returned will begin at the offset provided.
*
* Return value: Total number of feature tags.
**/
unsigned int
hb_ot_layout_language_get_feature_tags (hb_face_t *face,
@ -932,6 +945,8 @@ hb_ot_layout_language_find_feature (hb_face_t *face,
* the specified face's GSUB table or GPOS table. The list returned will
* begin at the offset provided.
*
* Return value: Total number of lookups.
*
* Since: 0.9.7
**/
unsigned int
@ -960,6 +975,8 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
* Fetches the total number of lookups enumerated in the specified
* face's GSUB table or GPOS table.
*
* Return value: Total number of lookups.
*
* Since: 0.9.22
**/
unsigned int
@ -1262,6 +1279,8 @@ hb_ot_layout_lookup_collect_glyphs (hb_face_t *face,
* Fetches a list of feature variations in the specified face's GSUB table
* or GPOS table, at the specified variation coordinates.
*
* Return value: %true if feature variations were found, %false otherwise.
*
**/
hb_bool_t
hb_ot_layout_table_find_feature_variations (hb_face_t *face,
@ -1291,6 +1310,8 @@ hb_ot_layout_table_find_feature_variations (hb_face_t *face,
* the specified face's GSUB table or GPOS table, enabled at the specified
* variations index. The list returned will begin at the offset provided.
*
* Return value: Total number of lookups.
*
**/
unsigned int
hb_ot_layout_feature_with_variations_get_lookups (hb_face_t *face,
@ -1935,7 +1956,7 @@ hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
*
* Fetches a baseline value from the face.
*
* Return value: if found baseline value in the font.
* Return value: %true if found baseline value in the font.
*
* Since: 2.6.0
**/
@ -1994,7 +2015,7 @@ struct hb_get_glyph_alternates_dispatch_t :
*
* Fetches alternates of a glyph from a given GSUB lookup index.
*
* Return value: total number of alternates found in the specific lookup index for the given glyph id.
* Return value: Total number of alternates found in the specific lookup index for the given glyph id.
*
* Since: 2.6.8
**/