* Google Author(s): Behdad Esfahbod
*/
-#include "hb-open-type-private.hh"
+#include "hb-open-type.hh"
-#include "hb-ot-layout-private.hh"
+#include "hb-ot-face.hh"
#include "hb-ot-var-avar-table.hh"
#include "hb-ot-var-fvar-table.hh"
#include "hb-ot-var-mvar-table.hh"
#include "hb-ot-var.h"
+
+/**
+ * SECTION:hb-ot-var
+ * @title: hb-ot-var
+ * @short_description: OpenType Font Variations
+ * @include: hb-ot.h
+ *
+ * Functions for fetching information about OpenType Variable Fonts.
+ **/
+
+
/*
* fvar/avar
*/
-static inline const OT::fvar&
-_get_fvar (hb_face_t *face)
-{
- if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::fvar);
- hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
- return *(layout->fvar.get ());
-}
-static inline const OT::avar&
-_get_avar (hb_face_t *face)
-{
- if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return Null(OT::avar);
- hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
- return *(layout->avar.get ());
-}
/**
* hb_ot_var_has_data:
* @face: #hb_face_t to test
*
* This function allows to verify the presence of OpenType variation data on the face.
- * Alternatively, use hb_ot_var_get_axis_count().
*
* Return value: true if face has a `fvar' table and false otherwise
*
hb_bool_t
hb_ot_var_has_data (hb_face_t *face)
{
- return &_get_fvar (face) != &Null(OT::fvar);
+ return face->table.fvar->has_data ();
}
/**
unsigned int
hb_ot_var_get_axis_count (hb_face_t *face)
{
- const OT::fvar &fvar = _get_fvar (face);
- return fvar.get_axis_count ();
+ return face->table.fvar->get_axis_count ();
}
/**
* hb_ot_var_get_axes:
*
* Since: 1.4.2
+ * Deprecated: 2.2.0
**/
unsigned int
hb_ot_var_get_axes (hb_face_t *face,
unsigned int *axes_count /* IN/OUT */,
hb_ot_var_axis_t *axes_array /* OUT */)
{
- const OT::fvar &fvar = _get_fvar (face);
- return fvar.get_axis_infos (start_offset, axes_count, axes_array);
+ return face->table.fvar->get_axes_deprecated (start_offset, axes_count, axes_array);
}
/**
* hb_ot_var_find_axis:
*
* Since: 1.4.2
+ * Deprecated: 2.2.0
**/
hb_bool_t
hb_ot_var_find_axis (hb_face_t *face,
unsigned int *axis_index,
hb_ot_var_axis_t *axis_info)
{
- const OT::fvar &fvar = _get_fvar (face);
- return fvar.find_axis (axis_tag, axis_index, axis_info);
+ return face->table.fvar->find_axis_deprecated (axis_tag, axis_index, axis_info);
+}
+
+/**
+ * hb_ot_var_get_axis_infos:
+ *
+ * Since: 2.2.0
+ **/
+HB_EXTERN unsigned int
+hb_ot_var_get_axis_infos (hb_face_t *face,
+ unsigned int start_offset,
+ unsigned int *axes_count /* IN/OUT */,
+ hb_ot_var_axis_info_t *axes_array /* OUT */)
+{
+ return face->table.fvar->get_axis_infos (start_offset, axes_count, axes_array);
+}
+
+/**
+ * hb_ot_var_find_axis_info:
+ *
+ * Since: 2.2.0
+ **/
+HB_EXTERN hb_bool_t
+hb_ot_var_find_axis_info (hb_face_t *face,
+ hb_tag_t axis_tag,
+ hb_ot_var_axis_info_t *axis_info)
+{
+ return face->table.fvar->find_axis_info (axis_tag, axis_info);
+}
+
+
+/*
+ * Named instances.
+ */
+
+unsigned int
+hb_ot_var_get_named_instance_count (hb_face_t *face)
+{
+ return face->table.fvar->get_instance_count ();
+}
+
+hb_ot_name_id_t
+hb_ot_var_named_instance_get_subfamily_name_id (hb_face_t *face,
+ unsigned int instance_index)
+{
+ return face->table.fvar->get_instance_subfamily_name_id (instance_index);
+}
+
+hb_ot_name_id_t
+hb_ot_var_named_instance_get_postscript_name_id (hb_face_t *face,
+ unsigned int instance_index)
+{
+ return face->table.fvar->get_instance_postscript_name_id (instance_index);
+}
+
+unsigned int
+hb_ot_var_named_instance_get_design_coords (hb_face_t *face,
+ unsigned int instance_index,
+ unsigned int *coords_length, /* IN/OUT */
+ float *coords /* OUT */)
+{
+ return face->table.fvar->get_instance_coords (instance_index, coords_length, coords);
}
for (unsigned int i = 0; i < coords_length; i++)
coords[i] = 0;
- const OT::fvar &fvar = _get_fvar (face);
+ const OT::fvar &fvar = *face->table.fvar;
for (unsigned int i = 0; i < variations_length; i++)
{
- unsigned int axis_index;
- if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, nullptr) &&
- axis_index < coords_length)
- coords[axis_index] = fvar.normalize_axis_value (axis_index, variations[i].value);
+ hb_ot_var_axis_info_t info;
+ if (hb_ot_var_find_axis_info (face, variations[i].tag, &info) &&
+ info.axis_index < coords_length)
+ coords[info.axis_index] = fvar.normalize_axis_value (info.axis_index, variations[i].value);
}
- const OT::avar &avar = _get_avar (face);
- avar.map_coords (coords, coords_length);
+ face->table.avar->map_coords (coords, coords_length);
}
/**
const float *design_coords, /* IN */
int *normalized_coords /* OUT */)
{
- const OT::fvar &fvar = _get_fvar (face);
+ const OT::fvar &fvar = *face->table.fvar;
for (unsigned int i = 0; i < coords_length; i++)
normalized_coords[i] = fvar.normalize_axis_value (i, design_coords[i]);
- const OT::avar &avar = _get_avar (face);
- avar.map_coords (normalized_coords, coords_length);
+ face->table.avar->map_coords (normalized_coords, coords_length);
}
projects / platform / upstream / harfbuzz.git / blobdiff