Merge pull request #185 from harfbuzz/hb-paint

Bind hb-paint API
harfbuzz · Feb 3, 2024 · 737ff7c · 737ff7c
2 parents 6b14bb0 + ac261ba
commit 737ff7c
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Showing 15 changed files with 1,308 additions and 46 deletions.
diff --git a/src/uharfbuzz/_harfbuzz.pyx b/src/uharfbuzz/_harfbuzz.pyx
diff --git a/src/uharfbuzz/charfbuzz.pxd b/src/uharfbuzz/charfbuzz.pxd
@@ -10,6 +10,7 @@ cdef extern from "hb.h":
     ctypedef long hb_position_t
     ctypedef unsigned long hb_mask_t
     ctypedef unsigned long hb_tag_t
+    ctypedef uint32_t hb_color_t
 
     ctypedef enum hb_direction_t:
         HB_DIRECTION_LTR
@@ -48,6 +49,13 @@ cdef extern from "hb.h":
     hb_script_t hb_ot_tag_to_script(hb_tag_t tag)
     const char* hb_version_string()
 
+    uint8_t hb_color_get_alpha(hb_color_t color)
+    uint8_t hb_color_get_red(hb_color_t color)
+    uint8_t hb_color_get_green(hb_color_t color)
+    uint8_t hb_color_get_blue(hb_color_t color)
+
+    hb_color_t HB_COLOR(uint8_t b, uint8_t g, uint8_t r, uint8_t a)
+
     ctypedef struct hb_user_data_key_t:
         pass
 
@@ -88,6 +96,7 @@ cdef extern from "hb.h":
     hb_blob_t* hb_blob_create_from_file_or_fail(
         const char *file_name)
 
+    hb_blob_t* hb_blob_reference(hb_blob_t* blob)
     void hb_blob_destroy(hb_blob_t* blob)
 
     const char* hb_blob_get_data(
@@ -231,6 +240,7 @@ cdef extern from "hb.h":
         hb_bool_t replace)
     void hb_face_destroy(hb_face_t* face)
     hb_blob_t* hb_face_reference_blob(hb_face_t *face)
+    hb_face_t* hb_face_reference(hb_face_t *face)
     hb_face_t* hb_face_get_empty()
     unsigned int hb_face_get_table_tags(
         const hb_face_t *face,
@@ -298,6 +308,13 @@ cdef extern from "hb.h":
         hb_position_t reserved2
         hb_position_t reserved1
 
+    hb_font_t* hb_font_create(hb_face_t* face)
+    hb_font_t* hb_font_create_sub_font(hb_font_t* parent)
+    hb_font_t* hb_font_get_empty()
+    hb_font_t* hb_font_reference(hb_font_t *font)
+    void hb_font_destroy(hb_font_t* font)
+
+    hb_face_t *hb_font_get_face(hb_font_t *font)
     hb_font_funcs_t* hb_font_funcs_create()
     void hb_font_funcs_set_glyph_h_advance_func(
         hb_font_funcs_t* ffuncs,
@@ -333,8 +350,6 @@ cdef extern from "hb.h":
         void *user_data, hb_destroy_func_t destroy)
     void hb_font_funcs_destroy(hb_font_funcs_t* ffuncs)
 
-    hb_font_t* hb_font_create(hb_face_t* face)
-    hb_font_t* hb_font_create_sub_font(hb_font_t* parent)
     void hb_font_set_funcs(
         hb_font_t* font,
         hb_font_funcs_t* klass,
@@ -431,8 +446,22 @@ cdef extern from "hb.h":
         const char *s,
         int len,
         hb_codepoint_t *glyph)
-    void hb_font_destroy(hb_font_t* font)
 
+    void hb_font_draw_glyph(
+        hb_font_t *font,
+        hb_codepoint_t glyph,
+        const hb_draw_funcs_t *dfuncs,
+        void *draw_data)
+
+    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)
+
+    # hb-draw.h
     ctypedef struct hb_draw_state_t:
        hb_bool_t path_open
        float path_start_x
@@ -528,11 +557,261 @@ cdef extern from "hb.h":
 
     void hb_draw_funcs_destroy(hb_draw_funcs_t* funcs)
 
-    void hb_font_draw_glyph(
+    # hb-paint.h
+    ctypedef struct hb_paint_funcs_t:
+        pass
+
+    ctypedef struct hb_color_stop_t:
+        float offset
+        hb_bool_t is_foreground
+        hb_color_t color
+
+    ctypedef enum hb_paint_extend_t:
+        HB_PAINT_EXTEND_PAD
+        HB_PAINT_EXTEND_REPEAT
+        HB_PAINT_EXTEND_REFLECT
+
+    ctypedef struct hb_color_line_t:
+        pass
+
+    ctypedef enum hb_paint_composite_mode_t:
+        HB_PAINT_COMPOSITE_MODE_CLEAR
+        HB_PAINT_COMPOSITE_MODE_SRC
+        HB_PAINT_COMPOSITE_MODE_DEST
+        HB_PAINT_COMPOSITE_MODE_SRC_OVER
+        HB_PAINT_COMPOSITE_MODE_DEST_OVER
+        HB_PAINT_COMPOSITE_MODE_SRC_IN
+        HB_PAINT_COMPOSITE_MODE_DEST_IN
+        HB_PAINT_COMPOSITE_MODE_SRC_OUT
+        HB_PAINT_COMPOSITE_MODE_DEST_OUT
+        HB_PAINT_COMPOSITE_MODE_SRC_ATOP
+        HB_PAINT_COMPOSITE_MODE_DEST_ATOP
+        HB_PAINT_COMPOSITE_MODE_XOR
+        HB_PAINT_COMPOSITE_MODE_PLUS
+        HB_PAINT_COMPOSITE_MODE_SCREEN
+        HB_PAINT_COMPOSITE_MODE_OVERLAY
+        HB_PAINT_COMPOSITE_MODE_DARKEN
+        HB_PAINT_COMPOSITE_MODE_LIGHTEN
+        HB_PAINT_COMPOSITE_MODE_COLOR_DODGE
+        HB_PAINT_COMPOSITE_MODE_COLOR_BURN
+        HB_PAINT_COMPOSITE_MODE_HARD_LIGHT
+        HB_PAINT_COMPOSITE_MODE_SOFT_LIGHT
+        HB_PAINT_COMPOSITE_MODE_DIFFERENCE
+        HB_PAINT_COMPOSITE_MODE_EXCLUSION
+        HB_PAINT_COMPOSITE_MODE_MULTIPLY
+        HB_PAINT_COMPOSITE_MODE_HSL_HUE
+        HB_PAINT_COMPOSITE_MODE_HSL_SATURATION
+        HB_PAINT_COMPOSITE_MODE_HSL_COLOR
+        HB_PAINT_COMPOSITE_MODE_HSL_LUMINOSITY
+
+    hb_paint_funcs_t *hb_paint_funcs_create()
+    hb_paint_funcs_t *hb_paint_funcs_get_empty()
+    hb_paint_funcs_t *hb_paint_funcs_reference(hb_paint_funcs_t *funcs)
+    void hb_paint_funcs_destroy(hb_paint_funcs_t *funcs)
+    hb_bool_t hb_paint_funcs_set_user_data(
+        hb_paint_funcs_t *funcs,
+        hb_user_data_key_t *key,
+        void *data,
+        hb_destroy_func_t destroy,
+        hb_bool_t replace)
+    void *hb_paint_funcs_get_user_data(
+        const hb_paint_funcs_t *funcs,
+        hb_user_data_key_t *key)
+    void hb_paint_funcs_make_immutable(hb_paint_funcs_t *funcs)
+    hb_bool_t hb_paint_funcs_is_immutable(hb_paint_funcs_t *funcs)
+
+    unsigned int hb_color_line_get_color_stops(
+        hb_color_line_t *color_line,
+        unsigned int start,
+        unsigned int *count,
+        hb_color_stop_t *color_stops)
+
+    hb_paint_extend_t hb_color_line_get_extend(hb_color_line_t *color_line)
+
+    ctypedef void (*hb_paint_push_transform_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        float xx, float yx,
+        float xy, float yy,
+        float dx, float dy,
+        void *user_data)
+    ctypedef void (*hb_paint_pop_transform_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        void *user_data)
+    ctypedef hb_bool_t (*hb_paint_color_glyph_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_codepoint_t glyph,
         hb_font_t *font,
+        void *user_data)
+    ctypedef void (*hb_paint_push_clip_glyph_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
         hb_codepoint_t glyph,
-        const hb_draw_funcs_t *dfuncs,
-        void *draw_data)
+        hb_font_t *font,
+        void *user_data)
+    ctypedef void (*hb_paint_push_clip_rectangle_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        float xmin, float ymin,
+        float xmax, float ymax,
+        void *user_data)
+    ctypedef void (*hb_paint_pop_clip_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        void *user_data)
+    ctypedef void (*hb_paint_color_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_bool_t is_foreground,
+        hb_color_t color,
+        void *user_data)
+    ctypedef hb_bool_t (*hb_paint_image_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_blob_t *image,
+        unsigned int width,
+        unsigned int height,
+        hb_tag_t format,
+        float slant,
+        hb_glyph_extents_t *extents,
+        void *user_data)
+    ctypedef unsigned int (*hb_color_line_get_color_stops_func_t) (
+        hb_color_line_t *color_line,
+        void *color_line_data,
+        unsigned int start,
+        unsigned int *count,
+        hb_color_stop_t *color_stops,
+        void *user_data)
+    ctypedef hb_paint_extend_t (*hb_color_line_get_extend_func_t) (
+        hb_color_line_t *color_line,
+        void *color_line_data,
+        void *user_data)
+    ctypedef struct hb_color_line_t:
+        void *data
+        hb_color_line_get_color_stops_func_t get_color_stops
+        void *get_color_stops_user_data
+        hb_color_line_get_extend_func_t get_extend
+        void *get_extend_user_data
+        void *reserved0
+        void *reserved1
+        void *reserved2
+        void *reserved3
+        void *reserved5
+        void *reserved6
+        void *reserved7
+        void *reserved8
+
+    ctypedef void (*hb_paint_linear_gradient_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_color_line_t *color_line,
+        float x0, float y0,
+        float x1, float y1,
+        float x2, float y2,
+        void *user_data)
+    ctypedef void (*hb_paint_radial_gradient_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_color_line_t *color_line,
+        float x0, float y0, float r0,
+        float x1, float y1, float r1,
+        void *user_data)
+    ctypedef void (*hb_paint_sweep_gradient_func_t)  (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_color_line_t *color_line,
+        float x0, float y0,
+        float start_angle,
+        float end_angle,
+        void *user_data)
+    ctypedef void (*hb_paint_push_group_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        void *user_data)
+    ctypedef void (*hb_paint_pop_group_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        hb_paint_composite_mode_t mode,
+        void *user_data)
+    ctypedef hb_bool_t (*hb_paint_custom_palette_color_func_t) (
+        hb_paint_funcs_t *funcs,
+        void *paint_data,
+        unsigned int color_index,
+        hb_color_t *color,
+        void *user_data)
+
+    void hb_paint_funcs_set_push_transform_func(
+        hb_paint_funcs_t               *funcs,
+        hb_paint_push_transform_func_t  func,
+        void                           *user_data,
+        hb_destroy_func_t               destroy)
+    void hb_paint_funcs_set_pop_transform_func(
+        hb_paint_funcs_t              *funcs,
+        hb_paint_pop_transform_func_t  func,
+        void                          *user_data,
+        hb_destroy_func_t              destroy)
+    void hb_paint_funcs_set_color_glyph_func(
+        hb_paint_funcs_t                *funcs,
+        hb_paint_color_glyph_func_t     func,
+        void                            *user_data,
+        hb_destroy_func_t                destroy)
+    void hb_paint_funcs_set_push_clip_glyph_func(
+        hb_paint_funcs_t                *funcs,
+        hb_paint_push_clip_glyph_func_t  func,
+        void                            *user_data,
+        hb_destroy_func_t                destroy)
+    void hb_paint_funcs_set_push_clip_rectangle_func(
+        hb_paint_funcs_t                    *funcs,
+        hb_paint_push_clip_rectangle_func_t  func,
+        void                                *user_data,
+        hb_destroy_func_t                    destroy)
+    void hb_paint_funcs_set_pop_clip_func(
+        hb_paint_funcs_t         *funcs,
+        hb_paint_pop_clip_func_t  func,
+        void                     *user_data,
+        hb_destroy_func_t         destroy)
+    void hb_paint_funcs_set_color_func(
+        hb_paint_funcs_t      *funcs,
+        hb_paint_color_func_t  func,
+        void                  *user_data,
+        hb_destroy_func_t      destroy)
+    void hb_paint_funcs_set_image_func(
+        hb_paint_funcs_t      *funcs,
+        hb_paint_image_func_t  func,
+        void                  *user_data,
+        hb_destroy_func_t      destroy)
+    void hb_paint_funcs_set_linear_gradient_func (
+        hb_paint_funcs_t                *funcs,
+        hb_paint_linear_gradient_func_t  func,
+        void                            *user_data,
+        hb_destroy_func_t                destroy)
+    void hb_paint_funcs_set_radial_gradient_func(
+        hb_paint_funcs_t                *funcs,
+        hb_paint_radial_gradient_func_t  func,
+        void                            *user_data,
+        hb_destroy_func_t                destroy)
+    void hb_paint_funcs_set_sweep_gradient_func(
+        hb_paint_funcs_t               *funcs,
+        hb_paint_sweep_gradient_func_t  func,
+        void                           *user_data,
+        hb_destroy_func_t               destroy)
+    void hb_paint_funcs_set_push_group_func(
+        hb_paint_funcs_t           *funcs,
+        hb_paint_push_group_func_t  func,
+        void                       *user_data,
+        hb_destroy_func_t           destroy)
+    void hb_paint_funcs_set_pop_group_func(
+        hb_paint_funcs_t          *funcs,
+        hb_paint_pop_group_func_t  func,
+        void                       *user_data,
+        hb_destroy_func_t           destroy)
+    void hb_paint_funcs_set_custom_palette_color_func(
+        hb_paint_funcs_t                     *funcs,
+        hb_paint_custom_palette_color_func_t  func,
+        void                                 *user_data,
+        hb_destroy_func_t                     destroy)
 
     # hb-shape.h
     void hb_shape(