diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-font.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-font.h | 246 |
1 files changed, 174 insertions, 72 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h index fb4a0eab5a..8813286726 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.h @@ -46,19 +46,19 @@ typedef struct hb_font_t hb_font_t; typedef struct hb_font_funcs_t hb_font_funcs_t; -hb_font_funcs_t * +HB_EXTERN hb_font_funcs_t * hb_font_funcs_create (void); -hb_font_funcs_t * +HB_EXTERN hb_font_funcs_t * hb_font_funcs_get_empty (void); -hb_font_funcs_t * +HB_EXTERN hb_font_funcs_t * hb_font_funcs_reference (hb_font_funcs_t *ffuncs); -void +HB_EXTERN void hb_font_funcs_destroy (hb_font_funcs_t *ffuncs); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, hb_user_data_key_t *key, void * data, @@ -66,19 +66,37 @@ hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, hb_bool_t replace); -void * +HB_EXTERN void * hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, hb_user_data_key_t *key); -void +HB_EXTERN void hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs); -/* glyph extents */ +/* font and glyph extents */ + +/* Note that typically ascender is positive and descender negative in coordinate systems that grow up. */ +typedef struct hb_font_extents_t +{ + hb_position_t ascender; /* typographic ascender. */ + hb_position_t descender; /* typographic descender. */ + hb_position_t line_gap; /* suggested line spacing gap. */ + /*< private >*/ + hb_position_t reserved9; + hb_position_t reserved8; + hb_position_t reserved7; + hb_position_t reserved6; + hb_position_t reserved5; + hb_position_t reserved4; + hb_position_t reserved3; + hb_position_t reserved2; + hb_position_t reserved1; +} hb_font_extents_t; /* Note that height is negative in coordinate systems that grow up. */ typedef struct hb_glyph_extents_t @@ -89,13 +107,23 @@ typedef struct hb_glyph_extents_t hb_position_t height; /* distance from top to bottom side. */ } hb_glyph_extents_t; - /* func types */ -typedef hb_bool_t (*hb_font_get_glyph_func_t) (hb_font_t *font, void *font_data, - hb_codepoint_t unicode, hb_codepoint_t variation_selector, - hb_codepoint_t *glyph, - void *user_data); +typedef hb_bool_t (*hb_font_get_font_extents_func_t) (hb_font_t *font, void *font_data, + hb_font_extents_t *metrics, + void *user_data); +typedef hb_font_get_font_extents_func_t hb_font_get_font_h_extents_func_t; +typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t; + + +typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t unicode, + hb_codepoint_t *glyph, + void *user_data); +typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph, + void *user_data); typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data, @@ -141,7 +169,39 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void * /* func setters */ /** - * hb_font_funcs_set_glyph_func: + * hb_font_funcs_set_font_h_extents_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 1.1.2 + **/ +HB_EXTERN void +hb_font_funcs_set_font_h_extents_func (hb_font_funcs_t *ffuncs, + hb_font_get_font_h_extents_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_font_v_extents_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 1.1.2 + **/ +HB_EXTERN void +hb_font_funcs_set_font_v_extents_func (hb_font_funcs_t *ffuncs, + hb_font_get_font_v_extents_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_nominal_glyph_func: * @ffuncs: font functions. * @func: (closure user_data) (destroy destroy) (scope notified): * @user_data: @@ -149,12 +209,28 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void * * * * - * Since: 0.9.2 + * Since: 1.2.3 + **/ +HB_EXTERN void +hb_font_funcs_set_nominal_glyph_func (hb_font_funcs_t *ffuncs, + hb_font_get_nominal_glyph_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_variation_glyph_func: + * @ffuncs: font functions. + * @func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Since: 1.2.3 **/ -void -hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs, - hb_font_get_glyph_func_t func, - void *user_data, hb_destroy_func_t destroy); +HB_EXTERN void +hb_font_funcs_set_variation_glyph_func (hb_font_funcs_t *ffuncs, + hb_font_get_variation_glyph_func_t func, + void *user_data, hb_destroy_func_t destroy); /** * hb_font_funcs_set_glyph_h_advance_func: @@ -167,7 +243,7 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_h_advance_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_h_advance_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -183,7 +259,7 @@ hb_font_funcs_set_glyph_h_advance_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_v_advance_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -199,7 +275,7 @@ hb_font_funcs_set_glyph_v_advance_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_h_origin_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -215,7 +291,7 @@ hb_font_funcs_set_glyph_h_origin_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_v_origin_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -231,7 +307,7 @@ hb_font_funcs_set_glyph_v_origin_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_h_kerning_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_h_kerning_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -247,7 +323,7 @@ hb_font_funcs_set_glyph_h_kerning_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_v_kerning_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -263,7 +339,7 @@ hb_font_funcs_set_glyph_v_kerning_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_extents_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -279,7 +355,7 @@ hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_contour_point_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_contour_point_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -295,7 +371,7 @@ hb_font_funcs_set_glyph_contour_point_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_name_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_name_func_t func, void *user_data, hb_destroy_func_t destroy); @@ -311,57 +387,67 @@ hb_font_funcs_set_glyph_name_func (hb_font_funcs_t *ffuncs, * * Since: 0.9.2 **/ -void +HB_EXTERN void hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_from_name_func_t func, void *user_data, hb_destroy_func_t destroy); - /* func dispatch */ -hb_bool_t -hb_font_get_glyph (hb_font_t *font, - hb_codepoint_t unicode, hb_codepoint_t variation_selector, - hb_codepoint_t *glyph); +HB_EXTERN hb_bool_t +hb_font_get_h_extents (hb_font_t *font, + hb_font_extents_t *extents); +HB_EXTERN hb_bool_t +hb_font_get_v_extents (hb_font_t *font, + hb_font_extents_t *extents); + +HB_EXTERN hb_bool_t +hb_font_get_nominal_glyph (hb_font_t *font, + hb_codepoint_t unicode, + hb_codepoint_t *glyph); +HB_EXTERN hb_bool_t +hb_font_get_variation_glyph (hb_font_t *font, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph); -hb_position_t +HB_EXTERN hb_position_t hb_font_get_glyph_h_advance (hb_font_t *font, hb_codepoint_t glyph); -hb_position_t +HB_EXTERN hb_position_t hb_font_get_glyph_v_advance (hb_font_t *font, hb_codepoint_t glyph); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_h_origin (hb_font_t *font, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_v_origin (hb_font_t *font, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y); -hb_position_t +HB_EXTERN hb_position_t hb_font_get_glyph_h_kerning (hb_font_t *font, hb_codepoint_t left_glyph, hb_codepoint_t right_glyph); -hb_position_t +HB_EXTERN hb_position_t hb_font_get_glyph_v_kerning (hb_font_t *font, hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_contour_point (hb_font_t *font, hb_codepoint_t glyph, unsigned int point_index, hb_position_t *x, hb_position_t *y); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_name (hb_font_t *font, hb_codepoint_t glyph, char *name, unsigned int size); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_from_name (hb_font_t *font, const char *name, int len, /* -1 means nul-terminated */ hb_codepoint_t *glyph); @@ -369,52 +455,63 @@ hb_font_get_glyph_from_name (hb_font_t *font, /* high-level funcs, with fallback */ -void +/* Calls either hb_font_get_nominal_glyph() if variation_selector is 0, + * otherwise callse hb_font_get_variation_glyph(). */ +HB_EXTERN hb_bool_t +hb_font_get_glyph (hb_font_t *font, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph); + +HB_EXTERN void +hb_font_get_extents_for_direction (hb_font_t *font, + hb_direction_t direction, + hb_font_extents_t *extents); +HB_EXTERN void hb_font_get_glyph_advance_for_direction (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, hb_position_t *x, hb_position_t *y); -void +HB_EXTERN void hb_font_get_glyph_origin_for_direction (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, hb_position_t *x, hb_position_t *y); -void +HB_EXTERN void hb_font_add_glyph_origin_for_direction (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, hb_position_t *x, hb_position_t *y); -void +HB_EXTERN void hb_font_subtract_glyph_origin_for_direction (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, hb_position_t *x, hb_position_t *y); -void +HB_EXTERN void hb_font_get_glyph_kerning_for_direction (hb_font_t *font, hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, hb_direction_t direction, hb_position_t *x, hb_position_t *y); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_extents_for_origin (hb_font_t *font, hb_codepoint_t glyph, hb_direction_t direction, hb_glyph_extents_t *extents); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_get_glyph_contour_point_for_origin (hb_font_t *font, hb_codepoint_t glyph, unsigned int point_index, hb_direction_t direction, hb_position_t *x, hb_position_t *y); /* Generates gidDDD if glyph has no name. */ -void +HB_EXTERN void hb_font_glyph_to_string (hb_font_t *font, hb_codepoint_t glyph, char *s, unsigned int size); /* Parses gidDDD and uniUUUU strings automatically. */ -hb_bool_t +HB_EXTERN hb_bool_t hb_font_glyph_from_string (hb_font_t *font, const char *s, int len, /* -1 means nul-terminated */ hb_codepoint_t *glyph); @@ -426,22 +523,22 @@ hb_font_glyph_from_string (hb_font_t *font, /* Fonts are very light-weight objects */ -hb_font_t * +HB_EXTERN hb_font_t * hb_font_create (hb_face_t *face); -hb_font_t * +HB_EXTERN hb_font_t * hb_font_create_sub_font (hb_font_t *parent); -hb_font_t * +HB_EXTERN hb_font_t * hb_font_get_empty (void); -hb_font_t * +HB_EXTERN hb_font_t * hb_font_reference (hb_font_t *font); -void +HB_EXTERN void hb_font_destroy (hb_font_t *font); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_set_user_data (hb_font_t *font, hb_user_data_key_t *key, void * data, @@ -449,46 +546,46 @@ hb_font_set_user_data (hb_font_t *font, hb_bool_t replace); -void * +HB_EXTERN void * hb_font_get_user_data (hb_font_t *font, hb_user_data_key_t *key); -void +HB_EXTERN void hb_font_make_immutable (hb_font_t *font); -hb_bool_t +HB_EXTERN hb_bool_t hb_font_is_immutable (hb_font_t *font); -void +HB_EXTERN void hb_font_set_parent (hb_font_t *font, hb_font_t *parent); -hb_font_t * +HB_EXTERN hb_font_t * hb_font_get_parent (hb_font_t *font); -hb_face_t * +HB_EXTERN hb_face_t * hb_font_get_face (hb_font_t *font); -void +HB_EXTERN void hb_font_set_funcs (hb_font_t *font, hb_font_funcs_t *klass, void *font_data, hb_destroy_func_t destroy); /* Be *very* careful with this function! */ -void +HB_EXTERN void hb_font_set_funcs_data (hb_font_t *font, void *font_data, hb_destroy_func_t destroy); -void +HB_EXTERN void hb_font_set_scale (hb_font_t *font, int x_scale, int y_scale); -void +HB_EXTERN void hb_font_get_scale (hb_font_t *font, int *x_scale, int *y_scale); @@ -496,17 +593,22 @@ hb_font_get_scale (hb_font_t *font, /* * A zero value means "no hinting in that direction" */ -void +HB_EXTERN void hb_font_set_ppem (hb_font_t *font, unsigned int x_ppem, unsigned int y_ppem); -void +HB_EXTERN void hb_font_get_ppem (hb_font_t *font, unsigned int *x_ppem, unsigned int *y_ppem); +HB_EXTERN void +hb_font_set_var_coords_normalized (hb_font_t *font, + int *coords, /* XXX 2.14 normalized */ + unsigned int coords_length); + HB_END_DECLS #endif /* HB_FONT_H */ |