typedef struct _hb_glyph_extents_t
{
- hb_position_t x_bearing;
- hb_position_t y_bearing;
- hb_position_t width;
- hb_position_t height;
+ hb_position_t x_bearing;
+ hb_position_t y_bearing;
+ hb_position_t width;
+ hb_position_t height;
} hb_glyph_extents_t;
-typedef hb_bool_t (*hb_font_get_contour_point_func_t) (hb_font_t *font, void *font_data,
- hb_codepoint_t glyph, unsigned int point_index,
- hb_position_t *x, hb_position_t *y,
- void *user_data);
-typedef void (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data,
- hb_codepoint_t glyph,
- hb_position_t *x_advance, hb_position_t *y_advance,
- void *user_data);
-typedef void (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
- hb_codepoint_t glyph,
- hb_glyph_extents_t *extents,
- void *user_data);
+/* 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 void (*hb_font_get_kerning_func_t) (hb_font_t *font, void *font_data,
- hb_codepoint_t left_glyph, hb_codepoint_t right_glyph,
- hb_position_t *x_kern, hb_position_t *y_kern,
- void *user_data);
-void
-hb_font_funcs_set_contour_point_func (hb_font_funcs_t *ffuncs,
- hb_font_get_contour_point_func_t contour_point_func,
- void *user_data, hb_destroy_func_t destroy);
+typedef hb_position_t (*hb_font_get_glyph_advance_func_t) (hb_font_t *font, void *font_data,
+ hb_codepoint_t glyph,
+ void *user_data);
+typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_h_advance_func_t;
+typedef hb_font_get_glyph_advance_func_t hb_font_get_glyph_v_advance_func_t;
-void
-hb_font_funcs_set_glyph_advance_func (hb_font_funcs_t *ffuncs,
- hb_font_get_glyph_advance_func_t glyph_advance_func,
- void *user_data, hb_destroy_func_t destroy);
+typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data,
+ hb_codepoint_t glyph,
+ hb_position_t *x, hb_position_t *y,
+ void *user_data);
+typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_h_origin_func_t;
+typedef hb_font_get_glyph_origin_func_t hb_font_get_glyph_v_origin_func_t;
-void
-hb_font_funcs_set_glyph_extents_func (hb_font_funcs_t *ffuncs,
- hb_font_get_glyph_extents_func_t glyph_extents_func,
- void *user_data, hb_destroy_func_t destroy);
+typedef hb_position_t (*hb_font_get_glyph_kerning_func_t) (hb_font_t *font, void *font_data,
+ hb_codepoint_t first_glyph, hb_codepoint_t second_glyph,
+ void *user_data);
+typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t;
+typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;
+
+
+typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data,
+ hb_codepoint_t glyph,
+ hb_glyph_extents_t *extents,
+ void *user_data);
+typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data,
+ hb_codepoint_t glyph, unsigned int point_index,
+ hb_position_t *x, hb_position_t *y,
+ void *user_data);
+
+
+/* func setters */
void
hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
void *user_data, hb_destroy_func_t destroy);
void
-hb_font_funcs_set_kerning_func (hb_font_funcs_t *ffuncs,
- hb_font_get_kerning_func_t kerning_func,
- void *user_data, hb_destroy_func_t destroy);
-
+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);
+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);
-hb_bool_t
-hb_font_get_contour_point (hb_font_t *font,
- hb_codepoint_t glyph, unsigned int point_index,
- hb_position_t *x, hb_position_t *y);
+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);
+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);
void
-hb_font_get_glyph_advance (hb_font_t *font,
- hb_codepoint_t glyph,
- hb_position_t *x_advance, hb_position_t *y_advance);
+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);
+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);
void
-hb_font_get_glyph_extents (hb_font_t *font,
- hb_codepoint_t glyph,
- hb_glyph_extents_t *extents);
+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);
+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);
+
+
+/* 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_position_t
+hb_font_get_glyph_h_advance (hb_font_t *font,
+ hb_codepoint_t glyph);
+hb_position_t
+hb_font_get_glyph_v_advance (hb_font_t *font,
+ hb_codepoint_t glyph);
+
+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_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_font_get_glyph_h_kerning (hb_font_t *font,
+ hb_codepoint_t left_glyph, hb_codepoint_t right_glyph);
+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_font_get_glyph_extents (hb_font_t *font,
+ hb_codepoint_t glyph,
+ hb_glyph_extents_t *extents);
+
+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);
+
+
+/* high-level funcs, with fallback */
+
+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_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_font_get_kerning (hb_font_t *font,
- hb_codepoint_t left_glyph, hb_codepoint_t right_glyph,
- hb_position_t *x_kern, hb_position_t *y_kern);
+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_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_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_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_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);
/*
hb_destroy_func_t destroy);
-/*
- * We should add support for full matrices.
- */
void
hb_font_set_scale (hb_font_t *font,
int x_scale,
projects / framework / uifw / harfbuzz.git / blobdiff