#include "hb-ot-layout-private.hh"
#include "hb-font-private.hh"
-#include "hb-blob.h"
#include "hb-open-file-private.hh"
#include "hb-ot-head-table.hh"
+#include "hb-ot-maxp-table.hh"
#include "hb-cache-private.hh"
#include <string.h>
-
/*
* hb_font_funcs_t
*/
static hb_bool_t
-hb_font_get_glyph_nil (hb_font_t *font,
- void *font_data HB_UNUSED,
- hb_codepoint_t unicode,
- hb_codepoint_t variation_selector,
- hb_codepoint_t *glyph,
- void *user_data HB_UNUSED)
+hb_font_get_font_h_extents_nil (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph (unicode, variation_selector, glyph);
+ memset (metrics, 0, sizeof (*metrics));
+ return false;
+}
+static hb_bool_t
+hb_font_get_font_h_extents_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_font_h_extents (metrics);
+ if (ret) {
+ metrics->ascender = font->parent_scale_y_distance (metrics->ascender);
+ metrics->descender = font->parent_scale_y_distance (metrics->descender);
+ metrics->line_gap = font->parent_scale_y_distance (metrics->line_gap);
+ }
+ return ret;
+}
+static hb_bool_t
+hb_font_get_font_v_extents_nil (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
+{
+ memset (metrics, 0, sizeof (*metrics));
+ return false;
+}
+static hb_bool_t
+hb_font_get_font_v_extents_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *metrics,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_font_v_extents (metrics);
+ if (ret) {
+ metrics->ascender = font->parent_scale_x_distance (metrics->ascender);
+ metrics->descender = font->parent_scale_x_distance (metrics->descender);
+ metrics->line_gap = font->parent_scale_x_distance (metrics->line_gap);
+ }
+ return ret;
+}
+
+static hb_bool_t
+hb_font_get_nominal_glyph_nil (hb_font_t *font HB_UNUSED,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
+ *glyph = 0;
+ return false;
+}
+static hb_bool_t
+hb_font_get_nominal_glyph_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent->get_nominal_glyph (unicode, glyph);
+}
+
+static hb_bool_t
+hb_font_get_variation_glyph_nil (hb_font_t *font HB_UNUSED,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
*glyph = 0;
return false;
}
+static hb_bool_t
+hb_font_get_variation_glyph_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent->get_variation_glyph (unicode, variation_selector, glyph);
+}
+
static hb_position_t
-hb_font_get_glyph_h_advance_nil (hb_font_t *font,
+hb_font_get_glyph_h_advance_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
-
return font->x_scale;
}
+static hb_position_t
+hb_font_get_glyph_h_advance_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph));
+}
static hb_position_t
-hb_font_get_glyph_v_advance_nil (hb_font_t *font,
+hb_font_get_glyph_v_advance_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
-
return font->y_scale;
}
+static hb_position_t
+hb_font_get_glyph_v_advance_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
+}
static hb_bool_t
-hb_font_get_glyph_h_origin_nil (hb_font_t *font,
+hb_font_get_glyph_h_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
- return false;
+ return true;
+}
+static hb_bool_t
+hb_font_get_glyph_h_origin_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
}
static hb_bool_t
-hb_font_get_glyph_v_origin_nil (hb_font_t *font,
+hb_font_get_glyph_v_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
return false;
}
+static hb_bool_t
+hb_font_get_glyph_v_origin_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
+}
static hb_position_t
-hb_font_get_glyph_h_kerning_nil (hb_font_t *font,
+hb_font_get_glyph_h_kerning_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t left_glyph,
hb_codepoint_t right_glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph));
-
return 0;
}
+static hb_position_t
+hb_font_get_glyph_h_kerning_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t left_glyph,
+ hb_codepoint_t right_glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph));
+}
static hb_position_t
-hb_font_get_glyph_v_kerning_nil (hb_font_t *font,
+hb_font_get_glyph_v_kerning_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t top_glyph,
hb_codepoint_t bottom_glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph));
-
return 0;
}
+static hb_position_t
+hb_font_get_glyph_v_kerning_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t top_glyph,
+ hb_codepoint_t bottom_glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph));
+}
static hb_bool_t
-hb_font_get_glyph_extents_nil (hb_font_t *font,
+hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
- if (ret) {
- font->parent_scale_position (&extents->x_bearing, &extents->y_bearing);
- font->parent_scale_distance (&extents->width, &extents->height);
- }
- return ret;
- }
-
memset (extents, 0, sizeof (*extents));
return false;
}
+static hb_bool_t
+hb_font_get_glyph_extents_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ hb_glyph_extents_t *extents,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents);
+ if (ret) {
+ font->parent_scale_position (&extents->x_bearing, &extents->y_bearing);
+ font->parent_scale_distance (&extents->width, &extents->height);
+ }
+ return ret;
+}
static hb_bool_t
-hb_font_get_glyph_contour_point_nil (hb_font_t *font,
+hb_font_get_glyph_contour_point_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
unsigned int point_index,
hb_position_t *y,
void *user_data HB_UNUSED)
{
- if (font->parent) {
- hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
- if (ret)
- font->parent_scale_position (x, y);
- return ret;
- }
-
*x = *y = 0;
return false;
}
+static hb_bool_t
+hb_font_get_glyph_contour_point_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ unsigned int point_index,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data HB_UNUSED)
+{
+ hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y);
+ if (ret)
+ font->parent_scale_position (x, y);
+ return ret;
+}
static hb_bool_t
-hb_font_get_glyph_name_nil (hb_font_t *font,
+hb_font_get_glyph_name_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
char *name, unsigned int size,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph_name (glyph, name, size);
-
if (size) *name = '\0';
return false;
}
+static hb_bool_t
+hb_font_get_glyph_name_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ char *name, unsigned int size,
+ void *user_data HB_UNUSED)
+{
+ return font->parent->get_glyph_name (glyph, name, size);
+}
static hb_bool_t
-hb_font_get_glyph_from_name_nil (hb_font_t *font,
+hb_font_get_glyph_from_name_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
const char *name, int len, /* -1 means nul-terminated */
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
- if (font->parent)
- return font->parent->get_glyph_from_name (name, len, glyph);
-
*glyph = 0;
return false;
}
-
+static hb_bool_t
+hb_font_get_glyph_from_name_parent (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ const char *name, int len, /* -1 means nul-terminated */
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
+{
+ return font->parent->get_glyph_from_name (name, len, glyph);
+}
static const hb_font_funcs_t _hb_font_funcs_nil = {
HB_OBJECT_HEADER_STATIC,
true, /* immutable */
{
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+ {
#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ }
+ }
+};
+static const hb_font_funcs_t _hb_font_funcs_parent = {
+ HB_OBJECT_HEADER_STATIC,
+
+ true, /* immutable */
+
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ },
+ {
+ {
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_parent,
+ HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
+#undef HB_FONT_FUNC_IMPLEMENT
+ }
}
};
+/**
+ * hb_font_funcs_create: (Xconstructor)
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
hb_font_funcs_t *
hb_font_funcs_create (void)
{
if (!(ffuncs = hb_object_create<hb_font_funcs_t> ()))
return hb_font_funcs_get_empty ();
- ffuncs->get = _hb_font_funcs_nil.get;
+ ffuncs->get = _hb_font_funcs_parent.get;
return ffuncs;
}
+/**
+ * hb_font_funcs_get_empty:
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
hb_font_funcs_t *
hb_font_funcs_get_empty (void)
{
- return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil);
+ return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_parent);
}
+/**
+ * hb_font_funcs_reference: (skip)
+ * @ffuncs: font functions.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_font_funcs_t *
hb_font_funcs_reference (hb_font_funcs_t *ffuncs)
{
return hb_object_reference (ffuncs);
}
+/**
+ * hb_font_funcs_destroy: (skip)
+ * @ffuncs: font functions.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_funcs_destroy (hb_font_funcs_t *ffuncs)
{
free (ffuncs);
}
+/**
+ * hb_font_funcs_set_user_data: (skip)
+ * @ffuncs: font functions.
+ * @key:
+ * @data:
+ * @destroy:
+ * @replace:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs,
hb_user_data_key_t *key,
return hb_object_set_user_data (ffuncs, key, data, destroy, replace);
}
+/**
+ * hb_font_funcs_get_user_data: (skip)
+ * @ffuncs: font functions.
+ * @key:
+ *
+ *
+ *
+ * Return value: (transfer none):
+ *
+ * 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_make_immutable:
+ * @ffuncs: font functions.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs)
{
- if (hb_object_is_inert (ffuncs))
+ if (unlikely (hb_object_is_inert (ffuncs)))
return;
ffuncs->immutable = true;
}
+/**
+ * hb_font_funcs_is_immutable:
+ * @ffuncs: font functions.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs)
{
ffuncs->destroy.name (ffuncs->user_data.name); \
\
if (func) { \
- ffuncs->get.name = func; \
+ ffuncs->get.f.name = func; \
ffuncs->user_data.name = user_data; \
ffuncs->destroy.name = destroy; \
} else { \
- ffuncs->get.name = hb_font_get_##name##_nil; \
+ ffuncs->get.f.name = hb_font_get_##name##_parent; \
ffuncs->user_data.name = NULL; \
ffuncs->destroy.name = NULL; \
} \
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
+bool
+hb_font_t::has_func (unsigned int i)
+{
+ if (parent && parent != hb_font_get_empty () && parent->has_func (i))
+ return true;
+ return this->klass->get.array[i] != _hb_font_funcs_parent.get.array[i];
+}
/* Public getters */
+/**
+ * hb_font_get_h_extents:
+ * @font: a font.
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.1.3
+ **/
+hb_bool_t
+hb_font_get_h_extents (hb_font_t *font,
+ hb_font_extents_t *extents)
+{
+ return font->get_font_h_extents (extents);
+}
+
+/**
+ * hb_font_get_v_extents:
+ * @font: a font.
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.1.3
+ **/
+hb_bool_t
+hb_font_get_v_extents (hb_font_t *font,
+ hb_font_extents_t *extents)
+{
+ return font->get_font_v_extents (extents);
+}
+
+/**
+ * hb_font_get_glyph:
+ * @font: a font.
+ * @unicode:
+ * @variation_selector:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph (hb_font_t *font,
hb_codepoint_t unicode, hb_codepoint_t variation_selector,
hb_codepoint_t *glyph)
{
- return font->get_glyph (unicode, variation_selector, glyph);
+ if (unlikely (variation_selector))
+ return font->get_variation_glyph (unicode, variation_selector, glyph);
+ return font->get_nominal_glyph (unicode, glyph);
}
+/**
+ * hb_font_get_nominal_glyph:
+ * @font: a font.
+ * @unicode:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.2.3
+ **/
+hb_bool_t
+hb_font_get_nominal_glyph (hb_font_t *font,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph)
+{
+ return font->get_nominal_glyph (unicode, glyph);
+}
+
+/**
+ * hb_font_get_variation_glyph:
+ * @font: a font.
+ * @unicode:
+ * @variation_selector:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 1.2.3
+ **/
+hb_bool_t
+hb_font_get_variation_glyph (hb_font_t *font,
+ hb_codepoint_t unicode, hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph)
+{
+ return font->get_variation_glyph (unicode, variation_selector, glyph);
+}
+
+/**
+ * hb_font_get_glyph_h_advance:
+ * @font: a font.
+ * @glyph:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_position_t
hb_font_get_glyph_h_advance (hb_font_t *font,
hb_codepoint_t glyph)
return font->get_glyph_h_advance (glyph);
}
+/**
+ * hb_font_get_glyph_v_advance:
+ * @font: a font.
+ * @glyph:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_position_t
hb_font_get_glyph_v_advance (hb_font_t *font,
hb_codepoint_t glyph)
return font->get_glyph_v_advance (glyph);
}
+/**
+ * hb_font_get_glyph_h_origin:
+ * @font: a font.
+ * @glyph:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_h_origin (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_h_origin (glyph, x, y);
}
+/**
+ * hb_font_get_glyph_v_origin:
+ * @font: a font.
+ * @glyph:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_v_origin (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_v_origin (glyph, x, y);
}
+/**
+ * hb_font_get_glyph_h_kerning:
+ * @font: a font.
+ * @left_glyph:
+ * @right_glyph:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_position_t
hb_font_get_glyph_h_kerning (hb_font_t *font,
hb_codepoint_t left_glyph, hb_codepoint_t right_glyph)
return font->get_glyph_h_kerning (left_glyph, right_glyph);
}
+/**
+ * hb_font_get_glyph_v_kerning:
+ * @font: a font.
+ * @top_glyph:
+ * @bottom_glyph:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
- hb_codepoint_t left_glyph, hb_codepoint_t right_glyph)
+ hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph)
{
- return font->get_glyph_v_kerning (left_glyph, right_glyph);
+ return font->get_glyph_v_kerning (top_glyph, bottom_glyph);
}
+/**
+ * hb_font_get_glyph_extents:
+ * @font: a font.
+ * @glyph:
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_extents (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_extents (glyph, extents);
}
+/**
+ * hb_font_get_glyph_contour_point:
+ * @font: a font.
+ * @glyph:
+ * @point_index:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_contour_point (hb_font_t *font,
hb_codepoint_t glyph, unsigned int point_index,
return font->get_glyph_contour_point (glyph, point_index, x, y);
}
+/**
+ * hb_font_get_glyph_name:
+ * @font: a font.
+ * @glyph:
+ * @name: (array length=size):
+ * @size:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_name (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_name (glyph, name, size);
}
+/**
+ * hb_font_get_glyph_from_name:
+ * @font: a font.
+ * @name: (array length=len):
+ * @len:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_from_name (hb_font_t *font,
const char *name, int len, /* -1 means nul-terminated */
/* A bit higher-level, and with fallback */
+/**
+ * hb_font_get_extents_for_direction:
+ * @font: a font.
+ * @direction:
+ * @extents:
+ *
+ *
+ *
+ * Since: 1.1.3
+ **/
+void
+hb_font_get_extents_for_direction (hb_font_t *font,
+ hb_direction_t direction,
+ hb_font_extents_t *extents)
+{
+ return font->get_extents_for_direction (direction, extents);
+}
+/**
+ * hb_font_get_glyph_advance_for_direction:
+ * @font: a font.
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_get_glyph_advance_for_direction (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_advance_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_get_glyph_origin_for_direction:
+ * @font: a font.
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_get_glyph_origin_for_direction (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_origin_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_add_glyph_origin_for_direction:
+ * @font: a font.
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_add_glyph_origin_for_direction (hb_font_t *font,
hb_codepoint_t glyph,
return font->add_glyph_origin_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_subtract_glyph_origin_for_direction:
+ * @font: a font.
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_subtract_glyph_origin_for_direction (hb_font_t *font,
hb_codepoint_t glyph,
return font->subtract_glyph_origin_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_get_glyph_kerning_for_direction:
+ * @font: a font.
+ * @first_glyph:
+ * @second_glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_get_glyph_kerning_for_direction (hb_font_t *font,
hb_codepoint_t first_glyph, hb_codepoint_t second_glyph,
return font->get_glyph_kerning_for_direction (first_glyph, second_glyph, direction, x, y);
}
+/**
+ * hb_font_get_glyph_extents_for_origin:
+ * @font: a font.
+ * @glyph:
+ * @direction:
+ * @extents: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_extents_for_origin (hb_font_t *font,
hb_codepoint_t glyph,
return font->get_glyph_extents_for_origin (glyph, direction, extents);
}
+/**
+ * hb_font_get_glyph_contour_point_for_origin:
+ * @font: a font.
+ * @glyph:
+ * @point_index:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_get_glyph_contour_point_for_origin (hb_font_t *font,
hb_codepoint_t glyph, unsigned int point_index,
}
/* Generates gidDDD if glyph has no name. */
+/**
+ * hb_font_glyph_to_string:
+ * @font: a font.
+ * @glyph:
+ * @s: (array length=size):
+ * @size:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_glyph_to_string (hb_font_t *font,
hb_codepoint_t glyph,
}
/* Parses gidDDD and uniUUUU strings automatically. */
+/**
+ * hb_font_glyph_from_string:
+ * @font: a font.
+ * @s: (array length=len) (element-type uint8_t):
+ * @len:
+ * @glyph: (out):
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_glyph_from_string (hb_font_t *font,
const char *s, int len, /* -1 means nul-terminated */
/*
- * hb_face_t
- */
-
-static const hb_face_t _hb_face_nil = {
- HB_OBJECT_HEADER_STATIC,
-
- true, /* immutable */
-
- NULL, /* reference_table_func */
- NULL, /* user_data */
- NULL, /* destroy */
-
- 0, /* index */
- 1000, /* upem */
-
- {
-#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
- },
-
- NULL, /* shape_plans */
-};
-
-
-hb_face_t *
-hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
- void *user_data,
- hb_destroy_func_t destroy)
-{
- hb_face_t *face;
-
- if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) {
- if (destroy)
- destroy (user_data);
- return hb_face_get_empty ();
- }
-
- face->reference_table_func = reference_table_func;
- face->user_data = user_data;
- face->destroy = destroy;
-
- face->upem = 0;
-
- return face;
-}
-
-
-typedef struct hb_face_for_data_closure_t {
- hb_blob_t *blob;
- unsigned int index;
-} hb_face_for_data_closure_t;
-
-static hb_face_for_data_closure_t *
-_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
-{
- hb_face_for_data_closure_t *closure;
-
- closure = (hb_face_for_data_closure_t *) malloc (sizeof (hb_face_for_data_closure_t));
- if (unlikely (!closure))
- return NULL;
-
- closure->blob = blob;
- closure->index = index;
-
- return closure;
-}
-
-static void
-_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure)
-{
- hb_blob_destroy (closure->blob);
- free (closure);
-}
-
-static hb_blob_t *
-_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
-{
- hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data;
-
- if (tag == HB_TAG_NONE)
- return hb_blob_reference (data->blob);
-
- const OpenTypeFontFile &ot_file = *Sanitizer<OpenTypeFontFile>::lock_instance (data->blob);
- const OpenTypeFontFace &ot_face = ot_file.get_face (data->index);
-
- const OpenTypeTable &table = ot_face.get_table_by_tag (tag);
-
- hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length);
-
- return blob;
-}
-
-hb_face_t *
-hb_face_create (hb_blob_t *blob,
- unsigned int index)
-{
- hb_face_t *face;
-
- if (unlikely (!blob || !hb_blob_get_length (blob)))
- return hb_face_get_empty ();
-
- hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (Sanitizer<OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
-
- if (unlikely (!closure))
- return hb_face_get_empty ();
-
- face = hb_face_create_for_tables (_hb_face_for_data_reference_table,
- closure,
- (hb_destroy_func_t) _hb_face_for_data_closure_destroy);
-
- hb_face_set_index (face, index);
-
- return face;
-}
-
-hb_face_t *
-hb_face_get_empty (void)
-{
- return const_cast<hb_face_t *> (&_hb_face_nil);
-}
-
-
-hb_face_t *
-hb_face_reference (hb_face_t *face)
-{
- return hb_object_reference (face);
-}
-
-void
-hb_face_destroy (hb_face_t *face)
-{
- if (!hb_object_destroy (face)) return;
-
- for (hb_face_t::plan_node_t *node = face->shape_plans; node; )
- {
- hb_face_t::plan_node_t *next = node->next;
- hb_shape_plan_destroy (node->shape_plan);
- free (node);
- node = next;
- }
-
-#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face);
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
-
- if (face->destroy)
- face->destroy (face->user_data);
-
- free (face);
-}
-
-hb_bool_t
-hb_face_set_user_data (hb_face_t *face,
- hb_user_data_key_t *key,
- void * data,
- hb_destroy_func_t destroy,
- hb_bool_t replace)
-{
- return hb_object_set_user_data (face, key, data, destroy, replace);
-}
-
-void *
-hb_face_get_user_data (hb_face_t *face,
- hb_user_data_key_t *key)
-{
- return hb_object_get_user_data (face, key);
-}
-
-void
-hb_face_make_immutable (hb_face_t *face)
-{
- if (hb_object_is_inert (face))
- return;
-
- face->immutable = true;
-}
-
-hb_bool_t
-hb_face_is_immutable (hb_face_t *face)
-{
- return face->immutable;
-}
-
-
-hb_blob_t *
-hb_face_reference_table (hb_face_t *face,
- hb_tag_t tag)
-{
- return face->reference_table (tag);
-}
-
-hb_blob_t *
-hb_face_reference_blob (hb_face_t *face)
-{
- return face->reference_table (HB_TAG_NONE);
-}
-
-void
-hb_face_set_index (hb_face_t *face,
- unsigned int index)
-{
- if (hb_object_is_inert (face))
- return;
-
- face->index = index;
-}
-
-unsigned int
-hb_face_get_index (hb_face_t *face)
-{
- return face->index;
-}
-
-void
-hb_face_set_upem (hb_face_t *face,
- unsigned int upem)
-{
- if (hb_object_is_inert (face))
- return;
-
- face->upem = upem;
-}
-
-unsigned int
-hb_face_get_upem (hb_face_t *face)
-{
- return face->get_upem ();
-}
-
-
-void
-hb_face_t::load_upem (void) const
-{
- hb_blob_t *head_blob = Sanitizer<head>::sanitize (reference_table (HB_OT_TAG_head));
- const head *head_table = Sanitizer<head>::lock_instance (head_blob);
- upem = head_table->get_upem ();
- hb_blob_destroy (head_blob);
-}
-
-
-/*
* hb_font_t
*/
+/**
+ * hb_font_create: (Xconstructor)
+ * @face: a face.
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
hb_font_t *
hb_font_create (hb_face_t *face)
{
if (unlikely (!face))
face = hb_face_get_empty ();
- if (unlikely (hb_object_is_inert (face)))
- return hb_font_get_empty ();
if (!(font = hb_object_create<hb_font_t> ()))
return hb_font_get_empty ();
hb_face_make_immutable (face);
+ font->parent = hb_font_get_empty ();
font->face = hb_face_reference (face);
font->klass = hb_font_funcs_get_empty ();
+ font->x_scale = font->y_scale = hb_face_get_upem (face);
+
return font;
}
+/**
+ * hb_font_create_sub_font:
+ * @parent: parent font.
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
hb_font_t *
hb_font_create_sub_font (hb_font_t *parent)
{
if (unlikely (!parent))
- return hb_font_get_empty ();
+ parent = hb_font_get_empty ();
hb_font_t *font = hb_font_create (parent->face);
if (unlikely (hb_object_is_inert (font)))
return font;
- hb_font_make_immutable (parent);
font->parent = hb_font_reference (parent);
font->x_scale = parent->x_scale;
return font;
}
+/**
+ * hb_font_get_empty:
+ *
+ *
+ *
+ * Return value: (transfer full)
+ *
+ * Since: 0.9.2
+ **/
hb_font_t *
hb_font_get_empty (void)
{
NULL, /* parent */
const_cast<hb_face_t *> (&_hb_face_nil),
- 0, /* x_scale */
- 0, /* y_scale */
+ 1000, /* x_scale */
+ 1000, /* y_scale */
0, /* x_ppem */
0, /* y_ppem */
return const_cast<hb_font_t *> (&_hb_font_nil);
}
+/**
+ * hb_font_reference: (skip)
+ * @font: a font.
+ *
+ *
+ *
+ * Return value: (transfer full):
+ *
+ * Since: 0.9.2
+ **/
hb_font_t *
hb_font_reference (hb_font_t *font)
{
return hb_object_reference (font);
}
+/**
+ * hb_font_destroy: (skip)
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_destroy (hb_font_t *font)
{
free (font);
}
+/**
+ * hb_font_set_user_data: (skip)
+ * @font: a font.
+ * @key:
+ * @data:
+ * @destroy:
+ * @replace:
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_set_user_data (hb_font_t *font,
hb_user_data_key_t *key,
return hb_object_set_user_data (font, key, data, destroy, replace);
}
+/**
+ * hb_font_get_user_data: (skip)
+ * @font: a font.
+ * @key:
+ *
+ *
+ *
+ * Return value: (transfer none):
+ *
+ * Since: 0.9.2
+ **/
void *
hb_font_get_user_data (hb_font_t *font,
hb_user_data_key_t *key)
return hb_object_get_user_data (font, key);
}
+/**
+ * hb_font_make_immutable:
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_make_immutable (hb_font_t *font)
{
- if (hb_object_is_inert (font))
+ if (unlikely (hb_object_is_inert (font)))
return;
+ if (font->parent)
+ hb_font_make_immutable (font->parent);
+
font->immutable = true;
}
+/**
+ * hb_font_is_immutable:
+ * @font: a font.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 0.9.2
+ **/
hb_bool_t
hb_font_is_immutable (hb_font_t *font)
{
return font->immutable;
}
+/**
+ * hb_font_set_parent:
+ * @font: a font.
+ * @parent: new parent.
+ *
+ * Sets parent font of @font.
+ *
+ * Since: 1.0.5
+ **/
+void
+hb_font_set_parent (hb_font_t *font,
+ hb_font_t *parent)
+{
+ if (font->immutable)
+ return;
+
+ if (!parent)
+ parent = hb_font_get_empty ();
+
+ hb_font_t *old = font->parent;
+
+ font->parent = hb_font_reference (parent);
+
+ hb_font_destroy (old);
+}
+
+/**
+ * hb_font_get_parent:
+ * @font: a font.
+ *
+ *
+ *
+ * Return value: (transfer none):
+ *
+ * Since: 0.9.2
+ **/
hb_font_t *
hb_font_get_parent (hb_font_t *font)
{
return font->parent;
}
+/**
+ * hb_font_get_face:
+ * @font: a font.
+ *
+ *
+ *
+ * Return value: (transfer none):
+ *
+ * Since: 0.9.2
+ **/
hb_face_t *
hb_font_get_face (hb_font_t *font)
{
}
+/**
+ * hb_font_set_funcs:
+ * @font: a font.
+ * @klass: (closure font_data) (destroy destroy) (scope notified):
+ * @font_data:
+ * @destroy:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_set_funcs (hb_font_t *font,
hb_font_funcs_t *klass,
- void *user_data,
+ void *font_data,
hb_destroy_func_t destroy)
{
if (font->immutable) {
if (destroy)
- destroy (user_data);
+ destroy (font_data);
return;
}
hb_font_funcs_reference (klass);
hb_font_funcs_destroy (font->klass);
font->klass = klass;
- font->user_data = user_data;
+ font->user_data = font_data;
font->destroy = destroy;
}
+/**
+ * hb_font_set_funcs_data:
+ * @font: a font.
+ * @font_data: (destroy destroy) (scope notified):
+ * @destroy:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_set_funcs_data (hb_font_t *font,
- void *user_data,
+ void *font_data,
hb_destroy_func_t destroy)
{
/* Destroy user_data? */
if (font->immutable) {
if (destroy)
- destroy (user_data);
+ destroy (font_data);
return;
}
if (font->destroy)
font->destroy (font->user_data);
- font->user_data = user_data;
+ font->user_data = font_data;
font->destroy = destroy;
}
+/**
+ * hb_font_set_scale:
+ * @font: a font.
+ * @x_scale:
+ * @y_scale:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_set_scale (hb_font_t *font,
int x_scale,
font->y_scale = y_scale;
}
+/**
+ * hb_font_get_scale:
+ * @font: a font.
+ * @x_scale: (out):
+ * @y_scale: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_get_scale (hb_font_t *font,
int *x_scale,
if (y_scale) *y_scale = font->y_scale;
}
+/**
+ * hb_font_set_ppem:
+ * @font: a font.
+ * @x_ppem:
+ * @y_ppem:
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_set_ppem (hb_font_t *font,
unsigned int x_ppem,
font->y_ppem = y_ppem;
}
+/**
+ * hb_font_get_ppem:
+ * @font: a font.
+ * @x_ppem: (out):
+ * @y_ppem: (out):
+ *
+ *
+ *
+ * Since: 0.9.2
+ **/
void
hb_font_get_ppem (hb_font_t *font,
unsigned int *x_ppem,
if (x_ppem) *x_ppem = font->x_ppem;
if (y_ppem) *y_ppem = font->y_ppem;
}
+
+
+#ifndef HB_DISABLE_DEPRECATED
+
+/*
+ * Deprecated get_glyph_func():
+ */
+
+struct hb_trampoline_closure_t
+{
+ void *user_data;
+ hb_destroy_func_t destroy;
+ unsigned int ref_count;
+};
+
+template <typename FuncType>
+struct hb_trampoline_t
+{
+ hb_trampoline_closure_t closure; /* Must be first. */
+ FuncType func;
+};
+
+template <typename FuncType>
+static hb_trampoline_t<FuncType> *
+trampoline_create (FuncType func,
+ void *user_data,
+ hb_destroy_func_t destroy)
+{
+ typedef hb_trampoline_t<FuncType> trampoline_t;
+
+ trampoline_t *trampoline = (trampoline_t *) calloc (1, sizeof (trampoline_t));
+
+ if (unlikely (!trampoline))
+ return NULL;
+
+ trampoline->closure.user_data = user_data;
+ trampoline->closure.destroy = destroy;
+ trampoline->closure.ref_count = 1;
+ trampoline->func = func;
+
+ return trampoline;
+}
+
+static void
+trampoline_reference (hb_trampoline_closure_t *closure)
+{
+ closure->ref_count++;
+}
+
+static void
+trampoline_destroy (void *user_data)
+{
+ hb_trampoline_closure_t *closure = (hb_trampoline_closure_t *) user_data;
+
+ if (--closure->ref_count)
+ return;
+
+ if (closure->destroy)
+ closure->destroy (closure->user_data);
+ free (closure);
+}
+
+typedef hb_trampoline_t<hb_font_get_glyph_func_t> hb_font_get_glyph_trampoline_t;
+
+static hb_bool_t
+hb_font_get_nominal_glyph_trampoline (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data)
+{
+ hb_font_get_glyph_trampoline_t *trampoline = (hb_font_get_glyph_trampoline_t *) user_data;
+ return trampoline->func (font, font_data, unicode, 0, glyph, trampoline->closure.user_data);
+}
+
+static hb_bool_t
+hb_font_get_variation_glyph_trampoline (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data)
+{
+ hb_font_get_glyph_trampoline_t *trampoline = (hb_font_get_glyph_trampoline_t *) user_data;
+ return trampoline->func (font, font_data, unicode, variation_selector, glyph, trampoline->closure.user_data);
+}
+
+/**
+ * hb_font_funcs_set_glyph_func:
+ * @ffuncs: font functions.
+ * @func: (closure user_data) (destroy destroy) (scope notified):
+ * @user_data:
+ * @destroy:
+ *
+ * Deprecated. Use hb_font_funcs_set_nominal_glyph_func() and
+ * hb_font_funcs_set_variation_glyph_func() instead.
+ *
+ * Since: 0.9.2
+ * Deprecated: 1.2.3
+ **/
+void
+hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
+ hb_font_get_glyph_func_t func,
+ void *user_data, hb_destroy_func_t destroy)
+{
+ hb_font_get_glyph_trampoline_t *trampoline;
+
+ trampoline = trampoline_create (func, user_data, destroy);
+ if (unlikely (!trampoline))
+ {
+ if (destroy)
+ destroy (user_data);
+ return;
+ }
+
+ 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,
+ trampoline_destroy);
+}
+
+#endif /* HB_DISABLE_DEPRECATED */
projects / platform / upstream / harfbuzz.git / blobdiff