*/
#define HB_FONT_FUNCS_IMPLEMENT_CALLBACKS \
- HB_FONT_FUNC_IMPLEMENT (font_h_extents) \
- HB_FONT_FUNC_IMPLEMENT (font_v_extents) \
- HB_FONT_FUNC_IMPLEMENT (nominal_glyph) \
- HB_FONT_FUNC_IMPLEMENT (variation_glyph) \
+ HB_FONT_FUNC_IMPLEMENT (glyph) \
HB_FONT_FUNC_IMPLEMENT (glyph_h_advance) \
HB_FONT_FUNC_IMPLEMENT (glyph_v_advance) \
HB_FONT_FUNC_IMPLEMENT (glyph_h_origin) \
hb_bool_t immutable;
+ /* Don't access these directly. Call hb_font_get_*() instead. */
+
+ struct {
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name;
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ } get;
+
struct {
#define HB_FONT_FUNC_IMPLEMENT(name) void *name;
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
} destroy;
-
- /* Don't access these directly. Call font->get_*() instead. */
- union get_t {
- struct get_funcs_t {
-#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name;
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
- } f;
- void (*array[VAR]) (void);
- } get;
};
/* Public getters */
- HB_INTERNAL bool has_func (unsigned int i);
-
- /* has_* ... */
-#define HB_FONT_FUNC_IMPLEMENT(name) \
- bool \
- has_##name##_func (void) \
- { \
- hb_font_funcs_t *funcs = this->klass; \
- unsigned int i = offsetof (hb_font_funcs_t::get_t::get_funcs_t, name) / sizeof (funcs->get.array[0]); \
- return has_func (i); \
- }
- HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
-#undef HB_FONT_FUNC_IMPLEMENT
-
- inline hb_bool_t get_font_h_extents (hb_font_extents_t *extents)
- {
- memset (extents, 0, sizeof (*extents));
- return klass->get.f.font_h_extents (this, user_data,
- extents,
- klass->user_data.font_h_extents);
- }
- inline hb_bool_t get_font_v_extents (hb_font_extents_t *extents)
- {
- memset (extents, 0, sizeof (*extents));
- return klass->get.f.font_v_extents (this, user_data,
- extents,
- klass->user_data.font_v_extents);
- }
-
- inline bool has_glyph (hb_codepoint_t unicode)
+ inline hb_bool_t has_glyph (hb_codepoint_t unicode)
{
hb_codepoint_t glyph;
- return get_nominal_glyph (unicode, &glyph);
+ return get_glyph (unicode, 0, &glyph);
}
- inline hb_bool_t get_nominal_glyph (hb_codepoint_t unicode,
- hb_codepoint_t *glyph)
- {
- *glyph = 0;
- return klass->get.f.nominal_glyph (this, user_data,
- unicode, glyph,
- klass->user_data.nominal_glyph);
- }
-
- inline hb_bool_t get_variation_glyph (hb_codepoint_t unicode, hb_codepoint_t variation_selector,
- hb_codepoint_t *glyph)
+ inline hb_bool_t get_glyph (hb_codepoint_t unicode, hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph)
{
*glyph = 0;
- return klass->get.f.variation_glyph (this, user_data,
- unicode, variation_selector, glyph,
- klass->user_data.variation_glyph);
+ return klass->get.glyph (this, user_data,
+ unicode, variation_selector, glyph,
+ klass->user_data.glyph);
}
inline hb_position_t get_glyph_h_advance (hb_codepoint_t glyph)
{
- return klass->get.f.glyph_h_advance (this, user_data,
- glyph,
- klass->user_data.glyph_h_advance);
+ return klass->get.glyph_h_advance (this, user_data,
+ glyph,
+ klass->user_data.glyph_h_advance);
}
inline hb_position_t get_glyph_v_advance (hb_codepoint_t glyph)
{
- return klass->get.f.glyph_v_advance (this, user_data,
- glyph,
- klass->user_data.glyph_v_advance);
+ return klass->get.glyph_v_advance (this, user_data,
+ glyph,
+ klass->user_data.glyph_v_advance);
}
inline hb_bool_t get_glyph_h_origin (hb_codepoint_t glyph,
hb_position_t *x, hb_position_t *y)
{
*x = *y = 0;
- return klass->get.f.glyph_h_origin (this, user_data,
- glyph, x, y,
- klass->user_data.glyph_h_origin);
+ return klass->get.glyph_h_origin (this, user_data,
+ glyph, x, y,
+ klass->user_data.glyph_h_origin);
}
inline hb_bool_t get_glyph_v_origin (hb_codepoint_t glyph,
hb_position_t *x, hb_position_t *y)
{
*x = *y = 0;
- return klass->get.f.glyph_v_origin (this, user_data,
- glyph, x, y,
- klass->user_data.glyph_v_origin);
+ return klass->get.glyph_v_origin (this, user_data,
+ glyph, x, y,
+ klass->user_data.glyph_v_origin);
}
inline hb_position_t get_glyph_h_kerning (hb_codepoint_t left_glyph, hb_codepoint_t right_glyph)
{
- return klass->get.f.glyph_h_kerning (this, user_data,
- left_glyph, right_glyph,
- klass->user_data.glyph_h_kerning);
+ return klass->get.glyph_h_kerning (this, user_data,
+ left_glyph, right_glyph,
+ klass->user_data.glyph_h_kerning);
}
inline hb_position_t get_glyph_v_kerning (hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph)
{
- return klass->get.f.glyph_v_kerning (this, user_data,
- top_glyph, bottom_glyph,
- klass->user_data.glyph_v_kerning);
+ return klass->get.glyph_v_kerning (this, user_data,
+ top_glyph, bottom_glyph,
+ klass->user_data.glyph_v_kerning);
}
inline hb_bool_t get_glyph_extents (hb_codepoint_t glyph,
hb_glyph_extents_t *extents)
{
memset (extents, 0, sizeof (*extents));
- return klass->get.f.glyph_extents (this, user_data,
- glyph,
- extents,
- klass->user_data.glyph_extents);
+ return klass->get.glyph_extents (this, user_data,
+ glyph,
+ extents,
+ klass->user_data.glyph_extents);
}
inline hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index,
hb_position_t *x, hb_position_t *y)
{
*x = *y = 0;
- return klass->get.f.glyph_contour_point (this, user_data,
- glyph, point_index,
- x, y,
- klass->user_data.glyph_contour_point);
+ return klass->get.glyph_contour_point (this, user_data,
+ glyph, point_index,
+ x, y,
+ klass->user_data.glyph_contour_point);
}
inline hb_bool_t get_glyph_name (hb_codepoint_t glyph,
char *name, unsigned int size)
{
if (size) *name = '\0';
- return klass->get.f.glyph_name (this, user_data,
- glyph,
- name, size,
- klass->user_data.glyph_name);
+ return klass->get.glyph_name (this, user_data,
+ glyph,
+ name, size,
+ klass->user_data.glyph_name);
}
inline hb_bool_t get_glyph_from_name (const char *name, int len, /* -1 means nul-terminated */
{
*glyph = 0;
if (len == -1) len = strlen (name);
- return klass->get.f.glyph_from_name (this, user_data,
- name, len,
- glyph,
- klass->user_data.glyph_from_name);
+ return klass->get.glyph_from_name (this, user_data,
+ name, len,
+ glyph,
+ klass->user_data.glyph_from_name);
}
/* A bit higher-level, and with fallback */
- inline void get_extents_for_direction (hb_direction_t direction,
- hb_font_extents_t *extents)
- {
- if (likely (HB_DIRECTION_IS_HORIZONTAL (direction))) {
- if (!get_font_h_extents (extents))
- {
- extents->ascender = y_scale * .8;
- extents->descender = y_scale - extents->ascender;
- extents->line_gap = 0;
- }
- } else {
- if (!get_font_v_extents (extents))
- {
- extents->ascender = x_scale / 2;
- extents->descender = x_scale - extents->ascender;
- extents->line_gap = 0;
- }
- }
- }
-
inline void get_glyph_advance_for_direction (hb_codepoint_t glyph,
hb_direction_t direction,
hb_position_t *x, hb_position_t *y)
{
*x = get_glyph_h_advance (glyph) / 2;
- /* TODO use font_extents.ascender */
+ /* TODO use font_metics.ascent */
*y = y_scale;
}
}
}
- inline void add_glyph_h_origin (hb_codepoint_t glyph,
- hb_position_t *x, hb_position_t *y)
- {
- hb_position_t origin_x, origin_y;
-
- get_glyph_h_origin (glyph, &origin_x, &origin_y);
-
- *x += origin_x;
- *y += origin_y;
- }
- inline void add_glyph_v_origin (hb_codepoint_t glyph,
- hb_position_t *x, hb_position_t *y)
- {
- hb_position_t origin_x, origin_y;
-
- get_glyph_v_origin (glyph, &origin_x, &origin_y);
-
- *x += origin_x;
- *y += origin_y;
- }
inline void add_glyph_origin_for_direction (hb_codepoint_t glyph,
hb_direction_t direction,
hb_position_t *x, hb_position_t *y)
*y += origin_y;
}
- inline void subtract_glyph_h_origin (hb_codepoint_t glyph,
- hb_position_t *x, hb_position_t *y)
- {
- hb_position_t origin_x, origin_y;
-
- get_glyph_h_origin (glyph, &origin_x, &origin_y);
-
- *x -= origin_x;
- *y -= origin_y;
- }
- inline void subtract_glyph_v_origin (hb_codepoint_t glyph,
- hb_position_t *x, hb_position_t *y)
- {
- hb_position_t origin_x, origin_y;
-
- get_glyph_v_origin (glyph, &origin_x, &origin_y);
-
- *x -= origin_x;
- *y -= origin_y;
- }
inline void subtract_glyph_origin_for_direction (hb_codepoint_t glyph,
hb_direction_t direction,
hb_position_t *x, hb_position_t *y)
hb_codepoint_t unichar;
if (0 == strncmp (s, "uni", 3) &&
hb_codepoint_parse (s + 3, len - 3, 16, &unichar) &&
- get_nominal_glyph (unichar, glyph))
+ get_glyph (unichar, 0, glyph))
return true;
}
projects / platform / upstream / harfbuzz.git / blobdiff