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[GX] Remove (partial) support for anisotropic variations

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It doesn't always work, not part of FreeType, and we were not going
to expose it in the API anyway.  Can always be added later.
This commit is contained in:
Behdad Esfahbod 2016-09-10 02:11:05 -07:00
parent c22176d4ba
commit 26648cebcd
3 changed files with 11 additions and 18 deletions
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3
src/hb-font-private.hh
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@ -110,8 +110,7 @@ struct hb_font_t {
/* Font variation coordinates. */
unsigned int num_coords;
int *x_coords;
int *y_coords;
int *coords;
hb_font_funcs_t *klass;
void *user_data;

17
src/hb-font.cc
View File

@ -1197,8 +1197,7 @@ hb_font_get_empty (void)
0, /* y_ppem */
0, /* num_coords */
NULL, /* x_coords */
NULL, /* y_coords */
NULL, /* coords */
const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
NULL, /* user_data */
@ -1254,10 +1253,8 @@ hb_font_destroy (hb_font_t *font)
hb_face_destroy (font->face);
hb_font_funcs_destroy (font->klass);
if (font->x_coords)
free (font->x_coords);
if (font->y_coords && font->y_coords != font->x_coords)
free (font->y_coords);
if (font->coords)
free (font->coords);
free (font);
}
@ -1564,15 +1561,13 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
if (unlikely (coords_length && !copy))
return;
if (font->x_coords)
free (font->x_coords);
if (font->y_coords && font->y_coords != font->x_coords)
free (font->y_coords);
if (font->coords)
free (font->coords);
if (coords_length)
memcpy (copy, coords, coords_length * sizeof (coords[0]));
font->x_coords = font->y_coords = copy;
font->coords = copy;
font->num_coords = coords_length;
}

9
src/hb-ot-layout-common-private.hh
View File

@ -1584,10 +1584,10 @@ struct VariationDevice
private:
inline hb_position_t get_x_delta (hb_font_t *font, const VariationStore &store) const
{ return font->em_scalef_x (get_delta (store, font->x_coords, font->num_coords)); }
{ return font->em_scalef_x (get_delta (font, store)); }
inline hb_position_t get_y_delta (hb_font_t *font, const VariationStore &store) const
{ return font->em_scalef_y (get_delta (store, font->y_coords, font->num_coords)); }
{ return font->em_scalef_y (get_delta (font, store)); }
inline bool sanitize (hb_sanitize_context_t *c) const
{
@ -1597,10 +1597,9 @@ struct VariationDevice
private:
inline float get_delta (const VariationStore &store,
int *coords, unsigned int coord_count) const
inline float get_delta (hb_font_t *font, const VariationStore &store) const
{
return store.get_delta (outerIndex, innerIndex, coords, coord_count);
return store.get_delta (outerIndex, innerIndex, font->coords, font->num_coords);
}
protected: