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Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-font.cc')
-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-font.cc322
1 files changed, 234 insertions, 88 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-font.cc
index db05f017a5..0ce3e2608a 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-font.cc
+++ b/src/3rdparty/harfbuzz-ng/src/hb-font.cc
@@ -71,7 +71,7 @@ hb_font_get_font_h_extents_nil (hb_font_t *font HB_UNUSED,
hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
- memset (extents, 0, sizeof (*extents));
+ hb_memset (extents, 0, sizeof (*extents));
return false;
}
@@ -96,7 +96,7 @@ hb_font_get_font_v_extents_nil (hb_font_t *font HB_UNUSED,
hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
- memset (extents, 0, sizeof (*extents));
+ hb_memset (extents, 0, sizeof (*extents));
return false;
}
@@ -409,7 +409,7 @@ hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
- memset (extents, 0, sizeof (*extents));
+ hb_memset (extents, 0, sizeof (*extents));
return false;
}
@@ -518,6 +518,7 @@ typedef struct hb_font_get_glyph_shape_default_adaptor_t {
void *draw_data;
float x_scale;
float y_scale;
+ float slant;
} hb_font_get_glyph_shape_default_adaptor_t;
static void
@@ -530,9 +531,10 @@ hb_draw_move_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED,
hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
+ float slant = adaptor->slant;
adaptor->draw_funcs->emit_move_to (adaptor->draw_data, *st,
- x_scale * to_x, y_scale * to_y);
+ x_scale * to_x + slant * to_y, y_scale * to_y);
}
static void
@@ -544,12 +546,13 @@ hb_draw_line_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
+ float slant = adaptor->slant;
- st->current_x *= x_scale;
- st->current_y *= y_scale;
+ st->current_x = st->current_x * x_scale + st->current_y * slant;
+ st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_line_to (adaptor->draw_data, *st,
- x_scale * to_x, y_scale * to_y);
+ x_scale * to_x + slant * to_y, y_scale * to_y);
}
static void
@@ -562,13 +565,14 @@ hb_draw_quadratic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data
hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
+ float slant = adaptor->slant;
- st->current_x *= x_scale;
- st->current_y *= y_scale;
+ st->current_x = st->current_x * x_scale + st->current_y * slant;
+ st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_quadratic_to (adaptor->draw_data, *st,
- x_scale * control_x, y_scale * control_y,
- x_scale * to_x, y_scale * to_y);
+ x_scale * control_x + slant * control_y, y_scale * control_y,
+ x_scale * to_x + slant * to_y, y_scale * to_y);
}
static void
@@ -582,14 +586,15 @@ hb_draw_cubic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data,
hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data;
float x_scale = adaptor->x_scale;
float y_scale = adaptor->y_scale;
+ float slant = adaptor->slant;
- st->current_x *= x_scale;
- st->current_y *= y_scale;
+ st->current_x = st->current_x * x_scale + st->current_y * slant;
+ st->current_y = st->current_y * y_scale;
adaptor->draw_funcs->emit_cubic_to (adaptor->draw_data, *st,
- x_scale * control1_x, y_scale * control1_y,
- x_scale * control2_x, y_scale * control2_y,
- x_scale * to_x, y_scale * to_y);
+ x_scale * control1_x + slant * control1_y, y_scale * control1_y,
+ x_scale * control2_x + slant * control2_y, y_scale * control2_y,
+ x_scale * to_x + slant * to_y, y_scale * to_y);
}
static void
@@ -623,8 +628,10 @@ hb_font_get_glyph_shape_default (hb_font_t *font,
hb_font_get_glyph_shape_default_adaptor_t adaptor = {
draw_funcs,
draw_data,
- (float) font->x_scale / (float) font->parent->x_scale,
- (float) font->y_scale / (float) font->parent->y_scale
+ font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0.f,
+ font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f,
+ font->parent->y_scale ? (font->slant - font->parent->slant) *
+ (float) font->x_scale / (float) font->parent->y_scale : 0.f
};
font->parent->get_glyph_shape (glyph,
@@ -636,16 +643,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
{
HB_OBJECT_HEADER_STATIC,
- {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
- },
- {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
- },
+ nullptr,
+ nullptr,
{
{
#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil,
@@ -658,16 +657,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
static const hb_font_funcs_t _hb_font_funcs_default = {
HB_OBJECT_HEADER_STATIC,
- {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
- },
- {
-#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
- },
+ nullptr,
+ nullptr,
{
{
#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_default,
@@ -679,7 +670,7 @@ static const hb_font_funcs_t _hb_font_funcs_default = {
/**
- * hb_font_funcs_create: (Xconstructor)
+ * hb_font_funcs_create:
*
* Creates a new #hb_font_funcs_t structure of font functions.
*
@@ -746,10 +737,16 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
{
if (!hb_object_destroy (ffuncs)) return;
-#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \
- ffuncs->destroy.name (ffuncs->user_data.name);
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+ if (ffuncs->destroy)
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy->name) \
+ ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name);
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
+ }
+
+ hb_free (ffuncs->destroy);
+ hb_free (ffuncs->user_data);
hb_free (ffuncs);
}
@@ -764,7 +761,7 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
*
* Attaches a user-data key/data pair to the specified font-functions structure.
*
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
*
* Since: 0.9.2
**/
@@ -791,8 +788,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs,
* Since: 0.9.2
**/
void *
-hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs,
- hb_user_data_key_t *key)
+hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs,
+ hb_user_data_key_t *key)
{
return hb_object_get_user_data (ffuncs, key);
}
@@ -821,7 +818,7 @@ hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs)
*
* Tests whether a font-functions structure is immutable.
*
- * Return value: %true if @ffuncs is immutable, %false otherwise
+ * Return value: `true` if @ffuncs is immutable, `false` otherwise
*
* Since: 0.9.2
**/
@@ -832,6 +829,56 @@ hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs)
}
+static bool
+_hb_font_funcs_set_preamble (hb_font_funcs_t *ffuncs,
+ bool func_is_null,
+ void **user_data,
+ hb_destroy_func_t *destroy)
+{
+ if (hb_object_is_immutable (ffuncs))
+ {
+ if (*destroy)
+ (*destroy) (*user_data);
+ return false;
+ }
+
+ if (func_is_null)
+ {
+ if (*destroy)
+ (*destroy) (*user_data);
+ *destroy = nullptr;
+ *user_data = nullptr;
+ }
+
+ return true;
+}
+
+static bool
+_hb_font_funcs_set_middle (hb_font_funcs_t *ffuncs,
+ void *user_data,
+ hb_destroy_func_t destroy)
+{
+ if (user_data && !ffuncs->user_data)
+ {
+ ffuncs->user_data = (decltype (ffuncs->user_data)) hb_calloc (1, sizeof (*ffuncs->user_data));
+ if (unlikely (!ffuncs->user_data))
+ goto fail;
+ }
+ if (destroy && !ffuncs->destroy)
+ {
+ ffuncs->destroy = (decltype (ffuncs->destroy)) hb_calloc (1, sizeof (*ffuncs->destroy));
+ if (unlikely (!ffuncs->destroy))
+ goto fail;
+ }
+
+ return true;
+
+fail:
+ if (destroy)
+ (destroy) (user_data);
+ return false;
+}
+
#define HB_FONT_FUNC_IMPLEMENT(name) \
\
void \
@@ -840,25 +887,24 @@ hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \
void *user_data, \
hb_destroy_func_t destroy) \
{ \
- if (hb_object_is_immutable (ffuncs)) \
- { \
- if (destroy) \
- destroy (user_data); \
- return; \
- } \
+ if (!_hb_font_funcs_set_preamble (ffuncs, !func, &user_data, &destroy))\
+ return; \
\
- if (ffuncs->destroy.name) \
- ffuncs->destroy.name (ffuncs->user_data.name); \
+ if (ffuncs->destroy && ffuncs->destroy->name) \
+ ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name); \
+ \
+ if (!_hb_font_funcs_set_middle (ffuncs, user_data, destroy)) \
+ return; \
\
- if (func) { \
+ if (func) \
ffuncs->get.f.name = func; \
- ffuncs->user_data.name = user_data; \
- ffuncs->destroy.name = destroy; \
- } else { \
+ else \
ffuncs->get.f.name = hb_font_get_##name##_default; \
- ffuncs->user_data.name = nullptr; \
- ffuncs->destroy.name = nullptr; \
- } \
+ \
+ if (ffuncs->user_data) \
+ ffuncs->user_data->name = user_data; \
+ if (ffuncs->destroy) \
+ ffuncs->destroy->name = destroy; \
}
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
@@ -887,7 +933,7 @@ hb_font_t::has_func (unsigned int i)
* Fetches the extents for a specified font, for horizontal
* text segments.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 1.1.3
**/
@@ -906,7 +952,7 @@ hb_font_get_h_extents (hb_font_t *font,
* Fetches the extents for a specified font, for vertical
* text segments.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 1.1.3
**/
@@ -930,7 +976,7 @@ hb_font_get_v_extents (hb_font_t *font,
* If @variation_selector is 0, calls hb_font_get_nominal_glyph();
* otherwise calls hb_font_get_variation_glyph().
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -958,7 +1004,7 @@ hb_font_get_glyph (hb_font_t *font,
* for code points modified by variation selectors. For variation-selector
* support, user hb_font_get_variation_glyph() or use hb_font_get_glyph().
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 1.2.3
**/
@@ -1010,7 +1056,7 @@ hb_font_get_nominal_glyphs (hb_font_t *font,
* by the specified variation-selector code point, in the specified
* font.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 1.2.3
**/
@@ -1120,7 +1166,7 @@ hb_font_get_glyph_v_advances (hb_font_t* font,
* Fetches the (X,Y) coordinates of the origin for a glyph ID
* in the specified font, for horizontal text segments.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1143,7 +1189,7 @@ hb_font_get_glyph_h_origin (hb_font_t *font,
* Fetches the (X,Y) coordinates of the origin for a glyph ID
* in the specified font, for vertical text segments.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1216,7 +1262,7 @@ hb_font_get_glyph_v_kerning (hb_font_t *font,
* Fetches the #hb_glyph_extents_t data for a glyph ID
* in the specified font.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1239,7 +1285,7 @@ hb_font_get_glyph_extents (hb_font_t *font,
* Fetches the (x,y) coordinates of a specified contour-point index
* in the specified glyph, within the specified font.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1262,7 +1308,7 @@ hb_font_get_glyph_contour_point (hb_font_t *font,
*
* Fetches the glyph-name string for a glyph ID in the specified @font.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1286,7 +1332,7 @@ hb_font_get_glyph_name (hb_font_t *font,
*
* <note>Note: @len == -1 means the name string is null-terminated.</note>
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1307,7 +1353,7 @@ hb_font_get_glyph_from_name (hb_font_t *font,
* @draw_data: User data to pass to draw callbacks
*
* Fetches the glyph shape that corresponds to a glyph in the specified @font.
- * The shape is returned by way of calls to the callsbacks of the @dfuncs
+ * The shape is returned by way of calls to the callbacks of the @dfuncs
* objects, with @draw_data passed to them.
*
* Since: 4.0.0
@@ -1521,7 +1567,7 @@ hb_font_get_glyph_kerning_for_direction (hb_font_t *font,
* Calls the appropriate direction-specific variant (horizontal
* or vertical) depending on the value of @direction.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1550,7 +1596,7 @@ hb_font_get_glyph_extents_for_origin (hb_font_t *font,
* Calls the appropriate direction-specific variant (horizontal
* or vertical) depending on the value of @direction.
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1601,7 +1647,7 @@ hb_font_glyph_to_string (hb_font_t *font,
*
* <note>Note: @len == -1 means the string is null-terminated.</note>
*
- * Return value: %true if data found, %false otherwise
+ * Return value: `true` if data found, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1623,6 +1669,9 @@ DEFINE_NULL_INSTANCE (hb_font_t) =
{
HB_OBJECT_HEADER_STATIC,
+ 0, /* serial */
+ 0, /* serial_coords */
+
nullptr, /* parent */
const_cast<hb_face_t *> (&_hb_Null_hb_face_t),
@@ -1630,6 +1679,8 @@ DEFINE_NULL_INSTANCE (hb_font_t) =
1000, /* y_scale */
0., /* slant */
0., /* slant_xy; */
+ 1.f, /* x_multf */
+ 1.f, /* y_multf */
1<<16, /* x_mult */
1<<16, /* y_mult */
@@ -1654,6 +1705,7 @@ _hb_font_create (hb_face_t *face)
if (unlikely (!face))
face = hb_face_get_empty ();
+
if (!(font = hb_object_create<hb_font_t> ()))
return hb_font_get_empty ();
@@ -1662,14 +1714,15 @@ _hb_font_create (hb_face_t *face)
font->face = hb_face_reference (face);
font->klass = hb_font_funcs_get_empty ();
font->data.init0 (font);
- font->x_scale = font->y_scale = hb_face_get_upem (face);
+ font->x_scale = font->y_scale = face->get_upem ();
+ font->x_multf = font->y_multf = 1.f;
font->x_mult = font->y_mult = 1 << 16;
return font;
}
/**
- * hb_font_create: (Xconstructor)
+ * hb_font_create:
* @face: a face.
*
* Constructs a new font object from the specified face.
@@ -1715,6 +1768,8 @@ _hb_font_adopt_var_coords (hb_font_t *font,
font->coords = coords;
font->design_coords = design_coords;
font->num_coords = coords_length;
+
+ font->mults_changed (); // Easiest to call this to drop cached data
}
/**
@@ -1744,7 +1799,6 @@ hb_font_create_sub_font (hb_font_t *parent)
font->x_scale = parent->x_scale;
font->y_scale = parent->y_scale;
font->slant = parent->slant;
- font->mults_changed ();
font->x_ppem = parent->x_ppem;
font->y_ppem = parent->y_ppem;
font->ptem = parent->ptem;
@@ -1756,8 +1810,8 @@ hb_font_create_sub_font (hb_font_t *parent)
float *design_coords = (float *) hb_calloc (num_coords, sizeof (parent->design_coords[0]));
if (likely (coords && design_coords))
{
- memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0]));
- memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0]));
+ hb_memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0]));
+ hb_memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0]));
_hb_font_adopt_var_coords (font, coords, design_coords, num_coords);
}
else
@@ -1767,6 +1821,8 @@ hb_font_create_sub_font (hb_font_t *parent)
}
}
+ font->mults_changed ();
+
return font;
}
@@ -1841,7 +1897,7 @@ hb_font_destroy (hb_font_t *font)
*
* Attaches a user-data key/data pair to the specified font object.
*
- * Return value: %true if success, %false otherwise
+ * Return value: `true` if success, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1852,6 +1908,9 @@ hb_font_set_user_data (hb_font_t *font,
hb_destroy_func_t destroy /* May be NULL. */,
hb_bool_t replace)
{
+ if (!hb_object_is_immutable (font))
+ font->serial++;
+
return hb_object_set_user_data (font, key, data, destroy, replace);
}
@@ -1868,7 +1927,7 @@ hb_font_set_user_data (hb_font_t *font,
* Since: 0.9.2
**/
void *
-hb_font_get_user_data (hb_font_t *font,
+hb_font_get_user_data (const hb_font_t *font,
hb_user_data_key_t *key)
{
return hb_object_get_user_data (font, key);
@@ -1900,7 +1959,7 @@ hb_font_make_immutable (hb_font_t *font)
*
* Tests whether a font object is immutable.
*
- * Return value: %true if @font is immutable, %false otherwise
+ * Return value: `true` if @font is immutable, `false` otherwise
*
* Since: 0.9.2
**/
@@ -1911,6 +1970,45 @@ hb_font_is_immutable (hb_font_t *font)
}
/**
+ * hb_font_get_serial:
+ * @font: #hb_font_t to work upon
+ *
+ * Returns the internal serial number of the font. The serial
+ * number is increased every time a setting on the font is
+ * changed, using a setter function.
+ *
+ * Return value: serial number
+ *
+ * Since: 4.4.0
+ **/
+unsigned int
+hb_font_get_serial (hb_font_t *font)
+{
+ return font->serial;
+}
+
+/**
+ * hb_font_changed:
+ * @font: #hb_font_t to work upon
+ *
+ * Notifies the @font that underlying font data has changed.
+ * This has the effect of increasing the serial as returned
+ * by hb_font_get_serial(), which invalidates internal caches.
+ *
+ * Since: 4.4.0
+ **/
+void
+hb_font_changed (hb_font_t *font)
+{
+ if (hb_object_is_immutable (font))
+ return;
+
+ font->serial++;
+
+ font->mults_changed ();
+}
+
+/**
* hb_font_set_parent:
* @font: #hb_font_t to work upon
* @parent: The parent font object to assign
@@ -1926,6 +2024,11 @@ hb_font_set_parent (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ if (parent == font->parent)
+ return;
+
+ font->serial++;
+
if (!parent)
parent = hb_font_get_empty ();
@@ -1968,6 +2071,11 @@ hb_font_set_face (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ if (face == font->face)
+ return;
+
+ font->serial++;
+
if (unlikely (!face))
face = hb_face_get_empty ();
@@ -2022,6 +2130,8 @@ hb_font_set_funcs (hb_font_t *font,
return;
}
+ font->serial++;
+
if (font->destroy)
font->destroy (font->user_data);
@@ -2059,6 +2169,8 @@ hb_font_set_funcs_data (hb_font_t *font,
return;
}
+ font->serial++;
+
if (font->destroy)
font->destroy (font->user_data);
@@ -2085,6 +2197,11 @@ hb_font_set_scale (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ if (font->x_scale == x_scale && font->y_scale == y_scale)
+ return;
+
+ font->serial++;
+
font->x_scale = x_scale;
font->y_scale = y_scale;
font->mults_changed ();
@@ -2127,6 +2244,11 @@ hb_font_set_ppem (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
+ return;
+
+ font->serial++;
+
font->x_ppem = x_ppem;
font->y_ppem = y_ppem;
}
@@ -2169,6 +2291,11 @@ hb_font_set_ptem (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ if (font->ptem == ptem)
+ return;
+
+ font->serial++;
+
font->ptem = ptem;
}
@@ -2216,6 +2343,11 @@ hb_font_set_synthetic_slant (hb_font_t *font, float slant)
if (hb_object_is_immutable (font))
return;
+ if (font->slant == slant)
+ return;
+
+ font->serial++;
+
font->slant = slant;
font->mults_changed ();
}
@@ -2263,6 +2395,8 @@ hb_font_set_variations (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ font->serial_coords = ++font->serial;
+
if (!variations_length)
{
hb_font_set_var_coords_normalized (font, nullptr, 0);
@@ -2283,6 +2417,10 @@ hb_font_set_variations (hb_font_t *font,
return;
}
+ /* Initialize design coords to default from fvar. */
+ for (unsigned int i = 0; i < coords_length; i++)
+ design_coords[i] = axes[i].get_default ();
+
for (unsigned int i = 0; i < variations_length; i++)
{
const auto tag = variations[i].tag;
@@ -2322,6 +2460,8 @@ hb_font_set_var_coords_design (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ font->serial_coords = ++font->serial;
+
int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
@@ -2333,7 +2473,7 @@ hb_font_set_var_coords_design (hb_font_t *font,
}
if (coords_length)
- memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0]));
+ hb_memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0]));
hb_ot_var_normalize_coords (font->face, coords_length, coords, normalized);
_hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
@@ -2355,6 +2495,8 @@ hb_font_set_var_named_instance (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ font->serial_coords = ++font->serial;
+
unsigned int coords_length = hb_ot_var_named_instance_get_design_coords (font->face, instance_index, nullptr, nullptr);
float *coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
@@ -2391,6 +2533,8 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
if (hb_object_is_immutable (font))
return;
+ font->serial_coords = ++font->serial;
+
int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr;
@@ -2405,8 +2549,8 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
if (coords_length)
{
- memcpy (copy, coords, coords_length * sizeof (coords[0]));
- memcpy (unmapped, coords, coords_length * sizeof (coords[0]));
+ hb_memcpy (copy, coords, coords_length * sizeof (coords[0]));
+ hb_memcpy (unmapped, coords, coords_length * sizeof (coords[0]));
}
/* Best effort design coords simulation */
@@ -2596,12 +2740,14 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
return;
}
+ /* Since we pass it to two destroying functions. */
+ trampoline_reference (&trampoline->closure);
+
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,