diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-font.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-font.h | 182 |
1 files changed, 136 insertions, 46 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h index 15dc126523..3c2355af2d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.h @@ -34,18 +34,10 @@ #include "hb-common.h" #include "hb-face.h" #include "hb-draw.h" +#include "hb-paint.h" HB_BEGIN_DECLS -/** - * hb_font_t: - * - * Data type for holding fonts. - * - */ -typedef struct hb_font_t hb_font_t; - - /* * hb_font_funcs_t */ @@ -86,8 +78,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, HB_EXTERN void * -hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, - hb_user_data_key_t *key); +hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key); HB_EXTERN void @@ -97,7 +89,7 @@ HB_EXTERN hb_bool_t hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs); -/* font and glyph extents */ +/* font extents */ /** * hb_font_extents_t: @@ -126,24 +118,6 @@ typedef struct hb_font_extents_t { hb_position_t reserved1; } hb_font_extents_t; -/** - * hb_glyph_extents_t: - * @x_bearing: Distance from the x-origin to the left extremum of the glyph. - * @y_bearing: Distance from the top extremum of the glyph to the y-origin. - * @width: Distance from the left extremum of the glyph to the right extremum. - * @height: Distance from the top extremum of the glyph to the bottom extremum. - * - * Glyph extent values, measured in font units. - * - * Note that @height is negative, in coordinate systems that grow up. - **/ -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_glyph_extents_t; - /* func types */ /** @@ -198,7 +172,7 @@ typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t; * This method should retrieve the nominal glyph ID for a specified Unicode code * point. Glyph IDs must be returned in a #hb_codepoint_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data, @@ -221,7 +195,7 @@ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *fo * followed by a specified Variation Selector code point. Glyph IDs must be * returned in a #hb_codepoint_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data, @@ -362,7 +336,7 @@ typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_v_advances_func_t; * origin for a glyph. Each coordinate must be returned in an #hb_position_t * output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data, @@ -434,7 +408,7 @@ typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t; * This method should retrieve the extents for a specified glyph. Extents must be * returned in an #hb_glyph_extents output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data, @@ -458,7 +432,7 @@ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *fo * specified contour point in a glyph. Each coordinate must be returned as * an #hb_position_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data, @@ -481,7 +455,7 @@ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, vo * This method should retrieve the glyph name that corresponds to a * glyph ID. The name should be returned in a string output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data, @@ -503,7 +477,7 @@ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_ * This method should retrieve the glyph ID that corresponds to a glyph-name * string. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data, @@ -511,6 +485,46 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void * hb_codepoint_t *glyph, void *user_data); +/** + * hb_font_draw_glyph_func_t: + * @font: #hb_font_t to work upon + * @font_data: @font user data pointer + * @glyph: The glyph ID to query + * @draw_funcs: The draw functions to send the shape data to + * @draw_data: The data accompanying the draw functions + * @user_data: User data pointer passed by the caller + * + * A virtual method for the #hb_font_funcs_t of an #hb_font_t object. + * + * Since: 7.0.0 + * + **/ +typedef void (*hb_font_draw_glyph_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + hb_draw_funcs_t *draw_funcs, void *draw_data, + void *user_data); + +/** + * hb_font_paint_glyph_func_t: + * @font: #hb_font_t to work upon + * @font_data: @font user data pointer + * @glyph: The glyph ID to query + * @paint_funcs: The paint functions to use + * @paint_data: The data accompanying the paint functions + * @palette_index: The color palette to use + * @foreground: The foreground color + * @user_data: User data pointer passed by the caller + * + * A virtual method for the #hb_font_funcs_t of an #hb_font_t object. + * + * Since: 7.0.0 + */ +typedef void (*hb_font_paint_glyph_func_t) (hb_font_t *font, void *font_data, + hb_codepoint_t glyph, + hb_paint_funcs_t *paint_funcs, void *paint_data, + unsigned int palette_index, + hb_color_t foreground, + void *user_data); /* func setters */ @@ -770,6 +784,38 @@ 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); +/** + * hb_font_funcs_set_draw_glyph_func: + * @ffuncs: A font-function structure + * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign + * @user_data: Data to pass to @func + * @destroy: (nullable): The function to call when @user_data is not needed anymore + * + * Sets the implementation function for #hb_font_draw_glyph_func_t. + * + * Since: 7.0.0 + **/ +HB_EXTERN void +hb_font_funcs_set_draw_glyph_func (hb_font_funcs_t *ffuncs, + hb_font_draw_glyph_func_t func, + void *user_data, hb_destroy_func_t destroy); + +/** + * hb_font_funcs_set_paint_glyph_func: + * @ffuncs: A font-function structure + * @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign + * @user_data: Data to pass to @func + * @destroy: (nullable): The function to call when @user_data is no longer needed + * + * Sets the implementation function for #hb_font_paint_glyph_func_t. + * + * Since: 7.0.0 + */ +HB_EXTERN void +hb_font_funcs_set_paint_glyph_func (hb_font_funcs_t *ffuncs, + hb_font_paint_glyph_func_t func, + void *user_data, hb_destroy_func_t destroy); + /* func dispatch */ HB_EXTERN hb_bool_t @@ -850,6 +896,17 @@ hb_font_get_glyph_from_name (hb_font_t *font, const char *name, int len, /* -1 means nul-terminated */ hb_codepoint_t *glyph); +HB_EXTERN void +hb_font_draw_glyph (hb_font_t *font, + hb_codepoint_t glyph, + hb_draw_funcs_t *dfuncs, void *draw_data); + +HB_EXTERN void +hb_font_paint_glyph (hb_font_t *font, + hb_codepoint_t glyph, + hb_paint_funcs_t *pfuncs, void *paint_data, + unsigned int palette_index, + hb_color_t foreground); /* high-level funcs, with fallback */ @@ -953,7 +1010,7 @@ hb_font_set_user_data (hb_font_t *font, HB_EXTERN void * -hb_font_get_user_data (hb_font_t *font, +hb_font_get_user_data (const hb_font_t *font, hb_user_data_key_t *key); HB_EXTERN void @@ -962,6 +1019,12 @@ hb_font_make_immutable (hb_font_t *font); HB_EXTERN hb_bool_t hb_font_is_immutable (hb_font_t *font); +HB_EXTERN unsigned int +hb_font_get_serial (hb_font_t *font); + +HB_EXTERN void +hb_font_changed (hb_font_t *font); + HB_EXTERN void hb_font_set_parent (hb_font_t *font, hb_font_t *parent); @@ -1024,20 +1087,39 @@ HB_EXTERN float hb_font_get_ptem (hb_font_t *font); HB_EXTERN void +hb_font_set_synthetic_bold (hb_font_t *font, + float x_embolden, float y_embolden, + hb_bool_t in_place); + +HB_EXTERN void +hb_font_get_synthetic_bold (hb_font_t *font, + float *x_embolden, float *y_embolden, + hb_bool_t *in_place); + +HB_EXTERN void +hb_font_set_synthetic_slant (hb_font_t *font, float slant); + +HB_EXTERN float +hb_font_get_synthetic_slant (hb_font_t *font); + +HB_EXTERN void hb_font_set_variations (hb_font_t *font, const hb_variation_t *variations, unsigned int variations_length); HB_EXTERN void +hb_font_set_variation (hb_font_t *font, + hb_tag_t tag, + float value); + +HB_EXTERN void hb_font_set_var_coords_design (hb_font_t *font, const float *coords, unsigned int coords_length); -#ifdef HB_EXPERIMENTAL_API HB_EXTERN const float * hb_font_get_var_coords_design (hb_font_t *font, unsigned int *length); -#endif HB_EXTERN void hb_font_set_var_coords_normalized (hb_font_t *font, @@ -1048,15 +1130,23 @@ HB_EXTERN const int * hb_font_get_var_coords_normalized (hb_font_t *font, unsigned int *length); +/** + * HB_FONT_NO_VAR_NAMED_INSTANCE: + * + * Constant signifying that a font does not have any + * named-instance index set. This is the default of + * a font. + * + * Since: 7.0.0 + */ +#define HB_FONT_NO_VAR_NAMED_INSTANCE 0xFFFFFFFF + HB_EXTERN void hb_font_set_var_named_instance (hb_font_t *font, - unsigned instance_index); + unsigned int instance_index); -#ifdef HB_EXPERIMENTAL_API -HB_EXTERN hb_bool_t -hb_font_draw_glyph (hb_font_t *font, hb_codepoint_t glyph, - const hb_draw_funcs_t *funcs, void *user_data); -#endif +HB_EXTERN unsigned int +hb_font_get_var_named_instance (hb_font_t *font); HB_END_DECLS |