diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-font.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-font.h | 145 |
1 files changed, 114 insertions, 31 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h index e2c3df4a5a..69457da577 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 */ @@ -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 */ /** @@ -523,13 +497,53 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void * * A virtual method for the #hb_font_funcs_t of an #hb_font_t object. * * Since: 4.0.0 - * + * Deprecated: 7.0.0: Use #hb_font_draw_glyph_func_t instead **/ typedef void (*hb_font_get_glyph_shape_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_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 */ @@ -796,15 +810,50 @@ hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs, * @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_get_glyph_shape_func_t. + * Sets the implementation function for #hb_font_get_glyph_shape_func_t, + * which is the same as #hb_font_draw_glyph_func_t. * * Since: 4.0.0 + * Deprecated: 7.0.0: Use hb_font_funcs_set_draw_glyph_func() instead **/ HB_EXTERN void hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs, hb_font_get_glyph_shape_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, + * which is the same as #hb_font_get_glyph_shape_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 @@ -890,6 +939,17 @@ hb_font_get_glyph_shape (hb_font_t *font, hb_codepoint_t glyph, hb_draw_funcs_t *dfuncs, void *draw_data); +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 */ @@ -1070,6 +1130,16 @@ 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 @@ -1098,10 +1168,23 @@ 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); +HB_EXTERN unsigned int +hb_font_get_var_named_instance (hb_font_t *font); HB_END_DECLS |