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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc62
1 files changed, 61 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 ea455012684..e900bd3f65a 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc
@@ -1196,6 +1196,8 @@ hb_font_get_empty (void)
NULL, /* user_data */
NULL, /* destroy */
+ hb_font_t::NOTHING, /* dirty */
+
{
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
#include "hb-shaper-list.hh"
@@ -1348,6 +1350,11 @@ hb_font_set_parent (hb_font_t *font,
if (!parent)
parent = hb_font_get_empty ();
+ if (parent == font->parent)
+ return;
+
+ font->dirty |= font->PARENT;
+
hb_font_t *old = font->parent;
font->parent = hb_font_reference (parent);
@@ -1372,6 +1379,37 @@ hb_font_get_parent (hb_font_t *font)
}
/**
+ * hb_font_set_face:
+ * @font: a font.
+ * @face: new face.
+ *
+ * Sets font-face of @font.
+ *
+ * Since: 1.4.3
+ **/
+void
+hb_font_set_face (hb_font_t *font,
+ hb_face_t *face)
+{
+ if (font->immutable)
+ return;
+
+ if (unlikely (!face))
+ face = hb_face_get_empty ();
+
+ if (font->face == face)
+ return;
+
+ font->dirty |= font->FACE;
+
+ hb_face_t *old = font->face;
+
+ font->face = hb_face_reference (face);
+
+ hb_face_destroy (old);
+}
+
+/**
* hb_font_get_face:
* @font: a font.
*
@@ -1417,6 +1455,8 @@ hb_font_set_funcs (hb_font_t *font,
if (!klass)
klass = hb_font_funcs_get_empty ();
+ font->dirty |= font->FUNCS;
+
hb_font_funcs_reference (klass);
hb_font_funcs_destroy (font->klass);
font->klass = klass;
@@ -1472,6 +1512,11 @@ hb_font_set_scale (hb_font_t *font,
if (font->immutable)
return;
+ if (font->x_scale == x_scale && font->y_scale == y_scale)
+ return;
+
+ font->dirty |= font->SCALE;
+
font->x_scale = x_scale;
font->y_scale = y_scale;
}
@@ -1513,6 +1558,11 @@ hb_font_set_ppem (hb_font_t *font,
if (font->immutable)
return;
+ if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
+ return;
+
+ font->dirty |= font->PPEM;
+
font->x_ppem = x_ppem;
font->y_ppem = y_ppem;
}
@@ -1545,6 +1595,16 @@ _hb_font_adopt_var_coords_normalized (hb_font_t *font,
int *coords, /* 2.14 normalized */
unsigned int coords_length)
{
+ if (font->num_coords == coords_length &&
+ (coords_length == 0 ||
+ 0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0]))))
+ {
+ free (coords);
+ return;
+ }
+
+ font->dirty |= font->VARIATIONS;
+
free (font->coords);
font->coords = coords;
@@ -1627,7 +1687,7 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
}
/**
- * hb_font_set_var_coords_normalized:
+ * hb_font_get_var_coords_normalized:
*
* Return value is valid as long as variation coordinates of the font
* are not modified.