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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc353
1 files changed, 239 insertions, 114 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
index 4d62b9e9c79..80768d6d517 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
@@ -29,6 +29,7 @@
#include "hb-private.hh"
#include "hb-font-private.hh"
+#include "hb-machinery-private.hh"
/*
@@ -45,10 +46,10 @@ hb_font_get_font_h_extents_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_font_h_extents_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_font_extents_t *metrics,
- void *user_data HB_UNUSED)
+hb_font_get_font_h_extents_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_font_h_extents (metrics);
if (ret) {
@@ -69,10 +70,10 @@ hb_font_get_font_v_extents_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_font_v_extents_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_font_extents_t *metrics,
- void *user_data HB_UNUSED)
+hb_font_get_font_v_extents_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_font_v_extents (metrics);
if (ret) {
@@ -94,11 +95,11 @@ hb_font_get_nominal_glyph_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_nominal_glyph_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t unicode,
- hb_codepoint_t *glyph,
- void *user_data HB_UNUSED)
+hb_font_get_nominal_glyph_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
{
return font->parent->get_nominal_glyph (unicode, glyph);
}
@@ -115,12 +116,12 @@ hb_font_get_variation_glyph_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_variation_glyph_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t unicode,
- hb_codepoint_t variation_selector,
- hb_codepoint_t *glyph,
- void *user_data HB_UNUSED)
+hb_font_get_variation_glyph_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
{
return font->parent->get_variation_glyph (unicode, variation_selector, glyph);
}
@@ -129,16 +130,16 @@ hb_font_get_variation_glyph_parent (hb_font_t *font,
static hb_position_t
hb_font_get_glyph_h_advance_nil (hb_font_t *font,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
return font->x_scale;
}
static hb_position_t
-hb_font_get_glyph_h_advance_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_h_advance_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
{
return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
}
@@ -146,21 +147,85 @@ hb_font_get_glyph_h_advance_parent (hb_font_t *font,
static hb_position_t
hb_font_get_glyph_v_advance_nil (hb_font_t *font,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
/* TODO use font_extents.ascender+descender */
return font->y_scale;
}
static hb_position_t
-hb_font_get_glyph_v_advance_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_v_advance_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
{
return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
}
+#define hb_font_get_glyph_h_advances_nil hb_font_get_glyph_h_advances_default
+static void
+hb_font_get_glyph_h_advances_default (hb_font_t* font,
+ void* font_data HB_UNUSED,
+ unsigned int count,
+ hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ hb_position_t *first_advance,
+ unsigned int advance_stride,
+ void *user_data HB_UNUSED)
+{
+ if (font->has_glyph_h_advance_func ())
+ {
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->get_glyph_h_advance (*first_glyph);
+ first_glyph = &StructAtOffset<hb_codepoint_t> (first_glyph, glyph_stride);
+ first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
+ }
+ return;
+ }
+
+ font->parent->get_glyph_h_advances (count,
+ first_glyph, glyph_stride,
+ first_advance, advance_stride);
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->parent_scale_x_distance (*first_advance);
+ first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
+ }
+}
+
+#define hb_font_get_glyph_v_advances_nil hb_font_get_glyph_v_advances_default
+static void
+hb_font_get_glyph_v_advances_default (hb_font_t* font,
+ void* font_data HB_UNUSED,
+ unsigned int count,
+ hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ hb_position_t *first_advance,
+ unsigned int advance_stride,
+ void *user_data HB_UNUSED)
+{
+ if (font->has_glyph_v_advance_func ())
+ {
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->get_glyph_v_advance (*first_glyph);
+ first_glyph = &StructAtOffset<hb_codepoint_t> (first_glyph, glyph_stride);
+ first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
+ }
+ return;
+ }
+
+ font->parent->get_glyph_v_advances (count,
+ first_glyph, glyph_stride,
+ first_advance, advance_stride);
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->parent_scale_y_distance (*first_advance);
+ first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
+ }
+}
+
static hb_bool_t
hb_font_get_glyph_h_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
@@ -173,12 +238,12 @@ hb_font_get_glyph_h_origin_nil (hb_font_t *font HB_UNUSED,
return true;
}
static hb_bool_t
-hb_font_get_glyph_h_origin_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_h_origin_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y);
if (ret)
@@ -198,12 +263,12 @@ hb_font_get_glyph_v_origin_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_glyph_v_origin_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_v_origin_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y);
if (ret)
@@ -221,11 +286,11 @@ hb_font_get_glyph_h_kerning_nil (hb_font_t *font HB_UNUSED,
return 0;
}
static hb_position_t
-hb_font_get_glyph_h_kerning_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t left_glyph,
- hb_codepoint_t right_glyph,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_h_kerning_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t left_glyph,
+ hb_codepoint_t right_glyph,
+ void *user_data HB_UNUSED)
{
return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph));
}
@@ -240,11 +305,11 @@ hb_font_get_glyph_v_kerning_nil (hb_font_t *font HB_UNUSED,
return 0;
}
static hb_position_t
-hb_font_get_glyph_v_kerning_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t top_glyph,
- hb_codepoint_t bottom_glyph,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_v_kerning_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t top_glyph,
+ hb_codepoint_t bottom_glyph,
+ void *user_data HB_UNUSED)
{
return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph));
}
@@ -260,11 +325,11 @@ hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_glyph_extents_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- hb_glyph_extents_t *extents,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_extents_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_glyph_extents_t *extents,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
if (ret) {
@@ -287,13 +352,13 @@ hb_font_get_glyph_contour_point_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_glyph_contour_point_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- unsigned int point_index,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_contour_point_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ unsigned int point_index,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
{
hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
if (ret)
@@ -312,11 +377,11 @@ hb_font_get_glyph_name_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_glyph_name_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
- char *name, unsigned int size,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_name_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ char *name, unsigned int size,
+ void *user_data HB_UNUSED)
{
return font->parent->get_glyph_name (glyph, name, size);
}
@@ -332,16 +397,17 @@ hb_font_get_glyph_from_name_nil (hb_font_t *font HB_UNUSED,
return false;
}
static hb_bool_t
-hb_font_get_glyph_from_name_parent (hb_font_t *font,
- void *font_data HB_UNUSED,
- const char *name, int len, /* -1 means nul-terminated */
- hb_codepoint_t *glyph,
- void *user_data HB_UNUSED)
+hb_font_get_glyph_from_name_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ const char *name, int len, /* -1 means nul-terminated */
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
{
return font->parent->get_glyph_from_name (name, len, glyph);
}
-static const hb_font_funcs_t _hb_font_funcs_nil = {
+DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
+{
HB_OBJECT_HEADER_STATIC,
true, /* immutable */
@@ -364,7 +430,8 @@ static const hb_font_funcs_t _hb_font_funcs_nil = {
}
}
};
-static const hb_font_funcs_t _hb_font_funcs_parent = {
+
+static const hb_font_funcs_t _hb_font_funcs_default = {
HB_OBJECT_HEADER_STATIC,
true, /* immutable */
@@ -381,7 +448,7 @@ static const hb_font_funcs_t _hb_font_funcs_parent = {
},
{
{
-#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_parent,
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_default,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
}
@@ -406,7 +473,7 @@ hb_font_funcs_create (void)
if (!(ffuncs = hb_object_create<hb_font_funcs_t> ()))
return hb_font_funcs_get_empty ();
- ffuncs->get = _hb_font_funcs_parent.get;
+ ffuncs->get = _hb_font_funcs_default.get;
return ffuncs;
}
@@ -423,7 +490,7 @@ hb_font_funcs_create (void)
hb_font_funcs_t *
hb_font_funcs_get_empty (void)
{
- return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_parent);
+ return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_default);
}
/**
@@ -562,9 +629,9 @@ hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \
ffuncs->user_data.name = user_data; \
ffuncs->destroy.name = destroy; \
} else { \
- ffuncs->get.f.name = hb_font_get_##name##_parent; \
- ffuncs->user_data.name = nullptr; \
- ffuncs->destroy.name = nullptr; \
+ ffuncs->get.f.name = hb_font_get_##name##_default; \
+ ffuncs->user_data.name = nullptr; \
+ ffuncs->destroy.name = nullptr; \
} \
}
@@ -574,9 +641,8 @@ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
bool
hb_font_t::has_func (unsigned int i)
{
- if (parent && parent != hb_font_get_empty () && parent->has_func (i))
- return true;
- return this->klass->get.array[i] != _hb_font_funcs_parent.get.array[i];
+ return (this->klass->get.array[i] != _hb_font_funcs_default.get.array[i]) ||
+ (parent && parent != &_hb_Null_hb_font_t && parent->has_func (i));
}
/* Public getters */
@@ -718,6 +784,43 @@ hb_font_get_glyph_v_advance (hb_font_t *font,
}
/**
+ * hb_font_get_glyph_h_advances:
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+void
+hb_font_get_glyph_h_advances (hb_font_t* font,
+ unsigned count,
+ hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_h_advances (count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
+/**
+ * hb_font_get_glyph_v_advances:
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+void
+hb_font_get_glyph_v_advances (hb_font_t* font,
+ unsigned count,
+ hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_v_advances (count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
+
+/**
* hb_font_get_glyph_h_origin:
* @font: a font.
* @glyph:
@@ -921,6 +1024,26 @@ hb_font_get_glyph_advance_for_direction (hb_font_t *font,
{
return font->get_glyph_advance_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_get_glyph_advances_for_direction:
+ * @font: a font.
+ * @direction:
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+HB_EXTERN void
+hb_font_get_glyph_advances_for_direction (hb_font_t* font,
+ hb_direction_t direction,
+ unsigned count,
+ hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_advances_for_direction (direction, count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
/**
* hb_font_get_glyph_origin_for_direction:
@@ -1100,6 +1223,37 @@ hb_font_glyph_from_string (hb_font_t *font,
* hb_font_t
*/
+DEFINE_NULL_INSTANCE (hb_font_t) =
+{
+ HB_OBJECT_HEADER_STATIC,
+
+ true, /* immutable */
+
+ nullptr, /* parent */
+ const_cast<hb_face_t *> (&_hb_Null_hb_face_t),
+
+ 1000, /* x_scale */
+ 1000, /* y_scale */
+
+ 0, /* x_ppem */
+ 0, /* y_ppem */
+ 0, /* ptem */
+
+ 0, /* num_coords */
+ nullptr, /* coords */
+
+ const_cast<hb_font_funcs_t *> (&_hb_Null_hb_font_funcs_t), /* klass */
+ nullptr, /* user_data */
+ nullptr, /* destroy */
+
+ {
+#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
+#include "hb-shaper-list.hh"
+#undef HB_SHAPER_IMPLEMENT
+ }
+};
+
+
/**
* hb_font_create: (Xconstructor)
* @face: a face.
@@ -1187,36 +1341,7 @@ hb_font_create_sub_font (hb_font_t *parent)
hb_font_t *
hb_font_get_empty (void)
{
- static const hb_font_t _hb_font_nil = {
- HB_OBJECT_HEADER_STATIC,
-
- true, /* immutable */
-
- nullptr, /* parent */
- const_cast<hb_face_t *> (&_hb_face_nil),
-
- 1000, /* x_scale */
- 1000, /* y_scale */
-
- 0, /* x_ppem */
- 0, /* y_ppem */
- 0, /* ptem */
-
- 0, /* num_coords */
- nullptr, /* coords */
-
- const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
- nullptr, /* user_data */
- nullptr, /* destroy */
-
- {
-#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
- }
- };
-
- return const_cast<hb_font_t *> (&_hb_font_nil);
+ return const_cast<hb_font_t *> (&Null(hb_font_t));
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 01:02:21 +0000