diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-buffer.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-buffer.h | 73 |
1 files changed, 50 insertions, 23 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h index 14aaa5e1f5..f75fe96b21 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h @@ -99,7 +99,7 @@ typedef struct hb_glyph_info_t { * layout, by avoiding re-shaping of each line * after line-breaking, by limiting the * reshaping to a small piece around the - * breaking positin only, even if the breaking + * breaking position only, even if the breaking * position carries the * #HB_GLYPH_FLAG_UNSAFE_TO_BREAK or when * hyphenation or other text transformation @@ -142,6 +142,15 @@ typedef struct hb_glyph_info_t { * shaping, otherwise the buffer flag will not be * reliably produced. * Since: 4.0.0 + * @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL: In scripts that use elongation (Arabic, + Mongolian, Syriac, etc.), this flag signifies + that it is safe to insert a U+0640 TATWEEL + character before this cluster for elongation. + This flag does not determine the + script-specific elongation places, but only + when it is safe to do the elongation without + interrupting text shaping. + Since: 5.1.0 * @HB_GLYPH_FLAG_DEFINED: All the currently defined flags. * * Flags for #hb_glyph_info_t. @@ -149,10 +158,11 @@ typedef struct hb_glyph_info_t { * Since: 1.5.0 */ typedef enum { /*< flags >*/ - HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001, - HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002, + HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001, + HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002, + HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL = 0x00000004, - HB_GLYPH_FLAG_DEFINED = 0x00000003 /* OR of all defined flags */ + HB_GLYPH_FLAG_DEFINED = 0x00000007 /* OR of all defined flags */ } hb_glyph_flags_t; HB_EXTERN hb_glyph_flags_t @@ -266,7 +276,7 @@ hb_buffer_set_user_data (hb_buffer_t *buffer, hb_bool_t replace); HB_EXTERN void * -hb_buffer_get_user_data (hb_buffer_t *buffer, +hb_buffer_get_user_data (const hb_buffer_t *buffer, hb_user_data_key_t *key); @@ -289,7 +299,7 @@ hb_buffer_set_content_type (hb_buffer_t *buffer, hb_buffer_content_type_t content_type); HB_EXTERN hb_buffer_content_type_t -hb_buffer_get_content_type (hb_buffer_t *buffer); +hb_buffer_get_content_type (const hb_buffer_t *buffer); HB_EXTERN void @@ -297,21 +307,21 @@ hb_buffer_set_unicode_funcs (hb_buffer_t *buffer, hb_unicode_funcs_t *unicode_funcs); HB_EXTERN hb_unicode_funcs_t * -hb_buffer_get_unicode_funcs (hb_buffer_t *buffer); +hb_buffer_get_unicode_funcs (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_direction (hb_buffer_t *buffer, hb_direction_t direction); HB_EXTERN hb_direction_t -hb_buffer_get_direction (hb_buffer_t *buffer); +hb_buffer_get_direction (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_script (hb_buffer_t *buffer, hb_script_t script); HB_EXTERN hb_script_t -hb_buffer_get_script (hb_buffer_t *buffer); +hb_buffer_get_script (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_language (hb_buffer_t *buffer, @@ -319,14 +329,14 @@ hb_buffer_set_language (hb_buffer_t *buffer, HB_EXTERN hb_language_t -hb_buffer_get_language (hb_buffer_t *buffer); +hb_buffer_get_language (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_segment_properties (hb_buffer_t *buffer, const hb_segment_properties_t *props); HB_EXTERN void -hb_buffer_get_segment_properties (hb_buffer_t *buffer, +hb_buffer_get_segment_properties (const hb_buffer_t *buffer, hb_segment_properties_t *props); HB_EXTERN void @@ -373,6 +383,11 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer); * flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT * glyph-flag should be produced by the shaper. By default * it will not be produced since it incurs a cost. Since: 4.0.0 + * @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL: + * flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL + * glyph-flag should be produced by the shaper. By default + * it will not be produced. Since: 5.1.0 + * @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0 * * Flags for #hb_buffer_t. * @@ -386,7 +401,10 @@ typedef enum { /*< flags >*/ HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES = 0x00000008u, HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE = 0x00000010u, HB_BUFFER_FLAG_VERIFY = 0x00000020u, - HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u + HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u, + HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL = 0x00000080u, + + HB_BUFFER_FLAG_DEFINED = 0x000000FFu } hb_buffer_flags_t; HB_EXTERN void @@ -394,7 +412,7 @@ hb_buffer_set_flags (hb_buffer_t *buffer, hb_buffer_flags_t flags); HB_EXTERN hb_buffer_flags_t -hb_buffer_get_flags (hb_buffer_t *buffer); +hb_buffer_get_flags (const hb_buffer_t *buffer); /** * hb_buffer_cluster_level_t: @@ -436,7 +454,7 @@ hb_buffer_set_cluster_level (hb_buffer_t *buffer, hb_buffer_cluster_level_t cluster_level); HB_EXTERN hb_buffer_cluster_level_t -hb_buffer_get_cluster_level (hb_buffer_t *buffer); +hb_buffer_get_cluster_level (const hb_buffer_t *buffer); /** * HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT: @@ -453,22 +471,28 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer, hb_codepoint_t replacement); HB_EXTERN hb_codepoint_t -hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer); +hb_buffer_get_replacement_codepoint (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_invisible_glyph (hb_buffer_t *buffer, hb_codepoint_t invisible); HB_EXTERN hb_codepoint_t -hb_buffer_get_invisible_glyph (hb_buffer_t *buffer); +hb_buffer_get_invisible_glyph (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_not_found_glyph (hb_buffer_t *buffer, hb_codepoint_t not_found); HB_EXTERN hb_codepoint_t -hb_buffer_get_not_found_glyph (hb_buffer_t *buffer); +hb_buffer_get_not_found_glyph (const hb_buffer_t *buffer); +HB_EXTERN void +hb_buffer_set_random_state (hb_buffer_t *buffer, + unsigned state); + +HB_EXTERN unsigned +hb_buffer_get_random_state (const hb_buffer_t *buffer); /* * Content API. @@ -549,7 +573,7 @@ hb_buffer_set_length (hb_buffer_t *buffer, unsigned int length); HB_EXTERN unsigned int -hb_buffer_get_length (hb_buffer_t *buffer); +hb_buffer_get_length (const hb_buffer_t *buffer); /* Getting glyphs out of the buffer */ @@ -583,6 +607,7 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer); * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0 * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances, * glyph offsets will reflect absolute glyph positions. Since: 1.8.0 + * @HB_BUFFER_SERIALIZE_FLAG_DEFINED: All currently defined flags. Since: 4.4.0 * * Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs(). * @@ -595,7 +620,9 @@ typedef enum { /*< flags >*/ HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES = 0x00000004u, HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS = 0x00000008u, HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS = 0x00000010u, - HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES = 0x00000020u + HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES = 0x00000020u, + + HB_BUFFER_SERIALIZE_FLAG_DEFINED = 0x0000003Fu } hb_buffer_serialize_flags_t; /** @@ -742,23 +769,23 @@ hb_buffer_diff (hb_buffer_t *buffer, /* - * Debugging. + * Tracing. */ /** * hb_buffer_message_func_t: * @buffer: An #hb_buffer_t to work upon * @font: The #hb_font_t the @buffer is shaped with - * @message: %NULL-terminated message passed to the function + * @message: `NULL`-terminated message passed to the function * @user_data: User data pointer passed by the caller * * A callback method for #hb_buffer_t. The method gets called with the * #hb_buffer_t it was set on, the #hb_font_t the buffer is shaped with and a * message describing what step of the shaping process will be performed. - * Returning %false from this method will skip this shaping step and move to + * Returning `false` from this method will skip this shaping step and move to * the next one. * - * Return value: %true to perform the shaping step, %false to skip it. + * Return value: `true` to perform the shaping step, `false` to skip it. * * Since: 1.1.3 */ |