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[var] Add hb_font_set_var_coords_design()

This commit is contained in:
Behdad Esfahbod 2017-01-21 15:05:00 -08:00
parent 0dcc7b49a8
commit 8b2a580470
2 changed files with 25 additions and 3 deletions
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21
src/hb-font.cc
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@ -1543,10 +1543,27 @@ hb_font_get_ppem (hb_font_t *font,
if (y_ppem) *y_ppem = font->y_ppem;
}
/*
* Variations
*/
void
hb_font_set_var_coords_design (hb_font_t *font,
float *coords,
unsigned int coords_length)
{
int normalized[coords_length]; // XXX Remove variable-length array use...
hb_face_t *face = font->face;
for (unsigned int i = 0; i < coords_length; i++)
normalized[i] = hb_ot_var_normalize_axis_value (face, i, coords[i]);
hb_font_set_var_coords_normalized (font, normalized, coords_length);
}
void
hb_font_set_var_coords_normalized (hb_font_t *font,
int *coords, /* XXX 2.14 normalized */
int *coords, /* 2.14 normalized */
unsigned int coords_length)
{
if (font->immutable)
@ -1570,7 +1587,7 @@ hb_font_get_var_coords_normalized (hb_font_t *font,
unsigned int *length)
{
if (length)
*length = font->coords_length;
*length = font->num_coords;
return font->coords;
}

7
src/hb-font.h
View File

@ -604,9 +604,14 @@ hb_font_get_ppem (hb_font_t *font,
unsigned int *y_ppem);
HB_EXTERN void
hb_font_set_var_coords_design (hb_font_t *font,
float *coords,
unsigned int coords_length);
HB_EXTERN void
hb_font_set_var_coords_normalized (hb_font_t *font,
int *coords, /* XXX 2.14 normalized */
int *coords, /* 2.14 normalized */
unsigned int coords_length);
HB_EXTERN int *