*/
static hb_bool_t
-hb_font_get_glyph_nil (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_font_h_extents_nil (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph (unicode, variation_selector, glyph);
+ memset (metrics, 0, sizeof (*metrics));
+ 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_bool_t ret = font->parent->get_font_h_extents (metrics);
+ if (ret) {
+ metrics->ascender = font->parent_scale_y_distance (metrics->ascender);
+ metrics->descender = font->parent_scale_y_distance (metrics->descender);
+ metrics->line_gap = font->parent_scale_y_distance (metrics->line_gap);
+ }
+ return ret;
+}
+static hb_bool_t
+hb_font_get_font_v_extents_nil (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
+{
+ memset (metrics, 0, sizeof (*metrics));
+ 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_bool_t ret = font->parent->get_font_v_extents (metrics);
+ if (ret) {
+ metrics->ascender = font->parent_scale_x_distance (metrics->ascender);
+ metrics->descender = font->parent_scale_x_distance (metrics->descender);
+ metrics->line_gap = font->parent_scale_x_distance (metrics->line_gap);
+ }
+ return ret;
+}
+
+static hb_bool_t
+hb_font_get_nominal_glyph_nil (hb_font_t *font HB_UNUSED,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
*glyph = 0;
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)
+{
+ return font->parent->get_nominal_glyph (unicode, glyph);
+}
+
+static hb_bool_t
+hb_font_get_variation_glyph_nil (hb_font_t *font HB_UNUSED,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
+ *glyph = 0;
+ 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)
+{
+ return font->parent->get_variation_glyph (unicode, variation_selector, glyph);
+}
+
static hb_position_t
-hb_font_get_glyph_h_advance_nil (hb_font_t *font,
+hb_font_get_glyph_h_advance_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
-
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)
+{
+ return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
+}
static hb_position_t
-hb_font_get_glyph_v_advance_nil (hb_font_t *font,
+hb_font_get_glyph_v_advance_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
-
+ /* 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)
+{
+ return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
+}
static hb_bool_t
-hb_font_get_glyph_h_origin_nil (hb_font_t *font,
+hb_font_get_glyph_h_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
- return false;
+ 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_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
}
static hb_bool_t
-hb_font_get_glyph_v_origin_nil (hb_font_t *font,
+hb_font_get_glyph_v_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
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_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
+}
static hb_position_t
-hb_font_get_glyph_h_kerning_nil (hb_font_t *font,
+hb_font_get_glyph_h_kerning_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t left_glyph,
hb_codepoint_t right_glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph));
-
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)
+{
+ return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph));
+}
static hb_position_t
-hb_font_get_glyph_v_kerning_nil (hb_font_t *font,
+hb_font_get_glyph_v_kerning_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t top_glyph,
hb_codepoint_t bottom_glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph));
-
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)
+{
+ return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph));
+}
static hb_bool_t
-hb_font_get_glyph_extents_nil (hb_font_t *font,
+hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
- if (ret) {
- font->parent_scale_position (&extents->x_bearing, &extents->y_bearing);
- font->parent_scale_distance (&extents->width, &extents->height);
- }
- return ret;
- }
-
memset (extents, 0, sizeof (*extents));
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_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
+ if (ret) {
+ font->parent_scale_position (&extents->x_bearing, &extents->y_bearing);
+ font->parent_scale_distance (&extents->width, &extents->height);
+ }
+ return ret;
+}
static hb_bool_t
-hb_font_get_glyph_contour_point_nil (hb_font_t *font,
+hb_font_get_glyph_contour_point_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
unsigned int point_index,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
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_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
+}
static hb_bool_t
-hb_font_get_glyph_name_nil (hb_font_t *font,
+hb_font_get_glyph_name_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
char *name, unsigned int size,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph_name (glyph, name, size);
-
if (size) *name = '\0';
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)
+{
+ return font->parent->get_glyph_name (glyph, name, size);
+}
static hb_bool_t
-hb_font_get_glyph_from_name_nil (hb_font_t *font,
+hb_font_get_glyph_from_name_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
const char *name, int len, /* -1 means nul-terminated */
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph_from_name (name, len, glyph);
-
*glyph = 0;
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)
+{
+ return font->parent->get_glyph_from_name (name, len, glyph);
+}
static const hb_font_funcs_t _hb_font_funcs_nil = {
HB_OBJECT_HEADER_STATIC,
true, /* immutable */
{
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+ {
#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ }
+ }
+};
+static const hb_font_funcs_t _hb_font_funcs_parent = {
+ HB_OBJECT_HEADER_STATIC,
+
+ true, /* immutable */
+
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_parent,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ }
}
};
*
* Return value: (transfer full):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_funcs_t *
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_nil.get;
+ ffuncs->get = _hb_font_funcs_parent.get;
return ffuncs;
}
*
* Return value: (transfer full):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_funcs_t *
hb_font_funcs_get_empty (void)
{
- return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil);
+ return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_parent);
}
/**
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_funcs_t *
hb_font_funcs_reference (hb_font_funcs_t *ffuncs)
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs,
*
* Return value: (transfer none):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void *
hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs)
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs)
ffuncs->destroy.name (ffuncs->user_data.name); \
\
if (func) { \
- ffuncs->get.name = func; \
+ ffuncs->get.f.name = func; \
ffuncs->user_data.name = user_data; \
ffuncs->destroy.name = destroy; \
} else { \
- ffuncs->get.name = hb_font_get_##name##_nil; \
+ ffuncs->get.f.name = hb_font_get_##name##_parent; \
ffuncs->user_data.name = NULL; \
ffuncs->destroy.name = NULL; \
} \
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
+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];
+}
/* Public getters */
/**
+ * hb_font_get_h_extents:
+ * @font: a font.
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.1.3
+ **/
+hb_bool_t
+hb_font_get_h_extents (hb_font_t *font,
+ hb_font_extents_t *extents)
+{
+ return font->get_font_h_extents (extents);
+}
+
+/**
+ * hb_font_get_v_extents:
+ * @font: a font.
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.1.3
+ **/
+hb_bool_t
+hb_font_get_v_extents (hb_font_t *font,
+ hb_font_extents_t *extents)
+{
+ return font->get_font_v_extents (extents);
+}
+
+/**
* hb_font_get_glyph:
* @font: a font.
* @unicode:
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph (hb_font_t *font,
hb_codepoint_t unicode, hb_codepoint_t variation_selector,
hb_codepoint_t *glyph)
{
- return font->get_glyph (unicode, variation_selector, glyph);
+ if (unlikely (variation_selector))
+ return font->get_variation_glyph (unicode, variation_selector, glyph);
+ return font->get_nominal_glyph (unicode, glyph);
+}
+
+/**
+ * hb_font_get_nominal_glyph:
+ * @font: a font.
+ * @unicode:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.2.3
+ **/
+hb_bool_t
+hb_font_get_nominal_glyph (hb_font_t *font,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph)
+{
+ return font->get_nominal_glyph (unicode, glyph);
+}
+
+/**
+ * hb_font_get_variation_glyph:
+ * @font: a font.
+ * @unicode:
+ * @variation_selector:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.2.3
+ **/
+hb_bool_t
+hb_font_get_variation_glyph (hb_font_t *font,
+ hb_codepoint_t unicode, hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph)
+{
+ return font->get_variation_glyph (unicode, variation_selector, glyph);
}
/**
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_position_t
hb_font_get_glyph_h_advance (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_position_t
hb_font_get_glyph_v_advance (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_h_origin (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_v_origin (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_position_t
hb_font_get_glyph_h_kerning (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_extents (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_contour_point (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_name (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_from_name (hb_font_t *font,
/* A bit higher-level, and with fallback */
/**
+ * hb_font_get_extents_for_direction:
+ * @font: a font.
+ * @direction:
+ * @extents:
+ *
+ *
+ *
+ * Since: 1.1.3
+ **/
+void
+hb_font_get_extents_for_direction (hb_font_t *font,
+ hb_direction_t direction,
+ hb_font_extents_t *extents)
+{
+ return font->get_extents_for_direction (direction, extents);
+}
+/**
* hb_font_get_glyph_advance_for_direction:
* @font: a font.
* @glyph:
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_get_glyph_advance_for_direction (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_get_glyph_origin_for_direction (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_add_glyph_origin_for_direction (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_subtract_glyph_origin_for_direction (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_get_glyph_kerning_for_direction (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_extents_for_origin (hb_font_t *font,
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_get_glyph_contour_point_for_origin (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_glyph_to_string (hb_font_t *font,
/**
* hb_font_glyph_from_string:
* @font: a font.
- * @s: (array length=len):
+ * @s: (array length=len) (element-type uint8_t):
* @len:
* @glyph: (out):
*
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_glyph_from_string (hb_font_t *font,
*
* Return value: (transfer full):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_t *
hb_font_create (hb_face_t *face)
if (unlikely (!face))
face = hb_face_get_empty ();
- if (unlikely (hb_object_is_inert (face)))
- return hb_font_get_empty ();
if (!(font = hb_object_create<hb_font_t> ()))
return hb_font_get_empty ();
hb_face_make_immutable (face);
+ font->parent = hb_font_get_empty ();
font->face = hb_face_reference (face);
font->klass = hb_font_funcs_get_empty ();
+ font->x_scale = font->y_scale = hb_face_get_upem (face);
+
return font;
}
*
* Return value: (transfer full):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_t *
hb_font_create_sub_font (hb_font_t *parent)
{
if (unlikely (!parent))
- return hb_font_get_empty ();
+ parent = hb_font_get_empty ();
hb_font_t *font = hb_font_create (parent->face);
if (unlikely (hb_object_is_inert (font)))
return font;
- hb_font_make_immutable (parent);
font->parent = hb_font_reference (parent);
font->x_scale = parent->x_scale;
*
* Return value: (transfer full)
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_t *
hb_font_get_empty (void)
NULL, /* parent */
const_cast<hb_face_t *> (&_hb_face_nil),
- 0, /* x_scale */
- 0, /* y_scale */
+ 1000, /* x_scale */
+ 1000, /* y_scale */
0, /* x_ppem */
0, /* y_ppem */
*
* Return value: (transfer full):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_t *
hb_font_reference (hb_font_t *font)
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_destroy (hb_font_t *font)
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_set_user_data (hb_font_t *font,
*
* Return value: (transfer none):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void *
hb_font_get_user_data (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_make_immutable (hb_font_t *font)
if (unlikely (hb_object_is_inert (font)))
return;
+ if (font->parent)
+ hb_font_make_immutable (font->parent);
+
font->immutable = true;
}
*
* Return value:
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_bool_t
hb_font_is_immutable (hb_font_t *font)
}
/**
+ * hb_font_set_parent:
+ * @font: a font.
+ * @parent: new parent.
+ *
+ * Sets parent font of @font.
+ *
+ * Since: 1.0.5
+ **/
+void
+hb_font_set_parent (hb_font_t *font,
+ hb_font_t *parent)
+{
+ if (font->immutable)
+ return;
+
+ if (!parent)
+ parent = hb_font_get_empty ();
+
+ hb_font_t *old = font->parent;
+
+ font->parent = hb_font_reference (parent);
+
+ hb_font_destroy (old);
+}
+
+/**
* hb_font_get_parent:
* @font: a font.
*
*
* Return value: (transfer none):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_font_t *
hb_font_get_parent (hb_font_t *font)
*
* Return value: (transfer none):
*
- * Since: 1.0
+ * Since: 0.9.2
**/
hb_face_t *
hb_font_get_face (hb_font_t *font)
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_set_funcs (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_set_funcs_data (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_set_scale (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_get_scale (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_set_ppem (hb_font_t *font,
*
*
*
- * Since: 1.0
+ * Since: 0.9.2
**/
void
hb_font_get_ppem (hb_font_t *font,
if (x_ppem) *x_ppem = font->x_ppem;
if (y_ppem) *y_ppem = font->y_ppem;
}
+
+
+#ifndef HB_DISABLE_DEPRECATED
+
+/*
+ * Deprecated get_glyph_func():
+ */
+
+struct hb_trampoline_closure_t
+{
+ void *user_data;
+ hb_destroy_func_t destroy;
+ unsigned int ref_count;
+};
+
+template <typename FuncType>
+struct hb_trampoline_t
+{
+ hb_trampoline_closure_t closure; /* Must be first. */
+ FuncType func;
+};
+
+template <typename FuncType>
+static hb_trampoline_t<FuncType> *
+trampoline_create (FuncType func,
+ void *user_data,
+ hb_destroy_func_t destroy)
+{
+ typedef hb_trampoline_t<FuncType> trampoline_t;
+
+ trampoline_t *trampoline = (trampoline_t *) calloc (1, sizeof (trampoline_t));
+
+ if (unlikely (!trampoline))
+ return NULL;
+
+ trampoline->closure.user_data = user_data;
+ trampoline->closure.destroy = destroy;
+ trampoline->closure.ref_count = 1;
+ trampoline->func = func;
+
+ return trampoline;
+}
+
+static void
+trampoline_reference (hb_trampoline_closure_t *closure)
+{
+ closure->ref_count++;
+}
+
+static void
+trampoline_destroy (void *user_data)
+{
+ hb_trampoline_closure_t *closure = (hb_trampoline_closure_t *) user_data;
+
+ if (--closure->ref_count)
+ return;
+
+ if (closure->destroy)
+ closure->destroy (closure->user_data);
+ free (closure);
+}
+
+typedef hb_trampoline_t<hb_font_get_glyph_func_t> hb_font_get_glyph_trampoline_t;
+
+static hb_bool_t
+hb_font_get_nominal_glyph_trampoline (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data)
+{
+ hb_font_get_glyph_trampoline_t *trampoline = (hb_font_get_glyph_trampoline_t *) user_data;
+ return trampoline->func (font, font_data, unicode, 0, glyph, trampoline->closure.user_data);
+}
+
+static hb_bool_t
+hb_font_get_variation_glyph_trampoline (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data)
+{
+ hb_font_get_glyph_trampoline_t *trampoline = (hb_font_get_glyph_trampoline_t *) user_data;
+ return trampoline->func (font, font_data, unicode, variation_selector, glyph, trampoline->closure.user_data);
+}
+
+/**
+ * hb_font_funcs_set_glyph_func:
+ * @ffuncs: font functions.
+ * @func: (closure user_data) (destroy destroy) (scope notified):
+ * @user_data:
+ * @destroy:
+ *
+ * Deprecated. Use hb_font_funcs_set_nominal_glyph_func() and
+ * hb_font_funcs_set_variation_glyph_func() instead.
+ *
+ * Since: 0.9.2
+ * Deprecated: 1.2.3
+ **/
+void
+hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
+ hb_font_get_glyph_func_t func,
+ void *user_data, hb_destroy_func_t destroy)
+{
+ hb_font_get_glyph_trampoline_t *trampoline;
+
+ trampoline = trampoline_create (func, user_data, destroy);
+ if (unlikely (!trampoline))
+ {
+ if (destroy)
+ destroy (user_data);
+ return;
+ }
+
+ hb_font_funcs_set_nominal_glyph_func (ffuncs,
+ hb_font_get_nominal_glyph_trampoline,
+ trampoline,
+ trampoline_destroy);
+
+ trampoline_reference (&trampoline->closure);
+ hb_font_funcs_set_variation_glyph_func (ffuncs,
+ hb_font_get_variation_glyph_trampoline,
+ trampoline,
+ trampoline_destroy);
+}
+
+#endif /* HB_DISABLE_DEPRECATED */
projects / platform / upstream / harfbuzz.git / blobdiff