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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc102
1 files changed, 101 insertions, 1 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 d1b8a8822d4..c038b108775 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
@@ -45,6 +45,54 @@
*/
static hb_bool_t
+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)
+{
+ 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_glyph_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t unicode,
@@ -280,7 +328,6 @@ hb_font_get_glyph_from_name_parent (hb_font_t *font,
return font->parent->get_glyph_from_name (name, len, glyph);
}
-
static const hb_font_funcs_t _hb_font_funcs_nil = {
HB_OBJECT_HEADER_STATIC,
@@ -522,6 +569,42 @@ hb_font_t::has_func (unsigned int 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:
@@ -746,6 +829,23 @@ 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: