diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-ot-math.h')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-ot-math.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-math.h b/thirdparty/harfbuzz/src/hb-ot-math.h index d3ffa19d85..1378a0639a 100644 --- a/thirdparty/harfbuzz/src/hb-ot-math.h +++ b/thirdparty/harfbuzz/src/hb-ot-math.h @@ -50,14 +50,18 @@ HB_BEGIN_DECLS #define HB_OT_TAG_MATH HB_TAG('M','A','T','H') /** - * HB_OT_MATH_SCRIPT: + * HB_OT_TAG_MATH_SCRIPT: * - * OpenType script tag for math shaping, for use with - * Use with hb_buffer_set_script(). + * OpenType script tag, `math`, for features specific to math shaping. * - * Since: 1.3.3 + * <note>#HB_OT_TAG_MATH_SCRIPT is not a valid #hb_script_t and should only be + * used with functions that accept raw OpenType script tags, such as + * #hb_ot_layout_collect_features. In other cases, #HB_SCRIPT_MATH should be + * used instead.</note> + * + * Since: 3.4.0 */ -#define HB_OT_MATH_SCRIPT HB_TAG('m','a','t','h') +#define HB_OT_TAG_MATH_SCRIPT HB_TAG('m','a','t','h') /* Types */ @@ -205,6 +209,20 @@ typedef enum { } hb_ot_math_kern_t; /** + * hb_ot_math_kern_entry_t: + * @max_correction_height: The maximum height at which this entry should be used + * @kern_value: The kern value of the entry + * + * Data type to hold math kerning (cut-in) information for a glyph. + * + * Since: 3.4.0 + */ +typedef struct { + hb_position_t max_correction_height; + hb_position_t kern_value; +} hb_ot_math_kern_entry_t; + +/** * hb_ot_math_glyph_variant_t: * @glyph: The glyph index of the variant * @advance: The advance width of the variant @@ -281,6 +299,14 @@ hb_ot_math_get_glyph_kerning (hb_font_t *font, hb_position_t correction_height); HB_EXTERN unsigned int +hb_ot_math_get_glyph_kernings (hb_font_t *font, + hb_codepoint_t glyph, + hb_ot_math_kern_t kern, + unsigned int start_offset, + unsigned int *entries_count, /* IN/OUT */ + hb_ot_math_kern_entry_t *kern_entries /* OUT */); + +HB_EXTERN unsigned int hb_ot_math_get_glyph_variants (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, |