* Google Author(s): Behdad Esfahbod
*/
-#include "hb-private.hh"
+#include "hb.hh"
-#include "hb-font-private.hh"
+#include "hb-font.hh"
+#include "hb-machinery.hh"
+
+#include "hb-ot.h"
+
+#include "hb-ot-var-avar-table.hh"
+#include "hb-ot-var-fvar-table.hh"
+
+
+/**
+ * SECTION:hb-font
+ * @title: hb-font
+ * @short_description: Font objects
+ * @include: hb.h
+ *
+ * Font objects represent a font face at a certain size and other
+ * parameters (pixels per EM, points per EM, variation settings.)
+ * Fonts are created from font faces, and are used as input to
+ * hb_shape() among other things.
+ **/
/*
*/
static hb_bool_t
-hb_font_get_font_h_extents_nil (hb_font_t *font,
+hb_font_get_font_h_extents_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_font_extents_t *metrics,
+ hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
- memset (metrics, 0, sizeof (*metrics));
+ memset (extents, 0, sizeof (*extents));
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_font_get_font_h_extents_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *extents,
+ void *user_data HB_UNUSED)
{
- hb_bool_t ret = font->parent->get_font_h_extents (metrics);
+ hb_bool_t ret = font->parent->get_font_h_extents (extents);
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);
+ extents->ascender = font->parent_scale_y_distance (extents->ascender);
+ extents->descender = font->parent_scale_y_distance (extents->descender);
+ extents->line_gap = font->parent_scale_y_distance (extents->line_gap);
}
return ret;
}
static hb_bool_t
-hb_font_get_font_v_extents_nil (hb_font_t *font,
+hb_font_get_font_v_extents_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_font_extents_t *metrics,
+ hb_font_extents_t *extents,
void *user_data HB_UNUSED)
{
- memset (metrics, 0, sizeof (*metrics));
+ memset (extents, 0, sizeof (*extents));
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_font_get_font_v_extents_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_font_extents_t *extents,
+ void *user_data HB_UNUSED)
{
- hb_bool_t ret = font->parent->get_font_v_extents (metrics);
+ hb_bool_t ret = font->parent->get_font_v_extents (extents);
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);
+ extents->ascender = font->parent_scale_x_distance (extents->ascender);
+ extents->descender = font->parent_scale_x_distance (extents->descender);
+ extents->line_gap = font->parent_scale_x_distance (extents->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 unicode HB_UNUSED,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_nominal_glyph_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t unicode,
+ hb_codepoint_t *glyph,
+ void *user_data HB_UNUSED)
{
+ if (font->has_nominal_glyphs_func_set ())
+ {
+ return font->get_nominal_glyphs (1, &unicode, 0, glyph, 0);
+ }
return font->parent->get_nominal_glyph (unicode, glyph);
}
+#define hb_font_get_nominal_glyphs_nil hb_font_get_nominal_glyphs_default
+static unsigned int
+hb_font_get_nominal_glyphs_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ unsigned int count,
+ const hb_codepoint_t *first_unicode,
+ unsigned int unicode_stride,
+ hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ void *user_data HB_UNUSED)
+{
+ if (font->has_nominal_glyph_func_set ())
+ {
+ for (unsigned int i = 0; i < count; i++)
+ {
+ if (!font->get_nominal_glyph (*first_unicode, first_glyph))
+ return i;
+
+ first_unicode = &StructAtOffsetUnaligned<hb_codepoint_t> (first_unicode, unicode_stride);
+ first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
+ }
+ return count;
+ }
+
+ return font->parent->get_nominal_glyphs (count,
+ first_unicode, unicode_stride,
+ first_glyph, glyph_stride);
+}
+
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 unicode HB_UNUSED,
+ hb_codepoint_t variation_selector HB_UNUSED,
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_variation_glyph_default (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_UNUSED,
+hb_font_get_glyph_h_advance_nil (hb_font_t *font,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_glyph_h_advance_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
{
+ if (font->has_glyph_h_advances_func_set ())
+ {
+ hb_position_t ret;
+ font->get_glyph_h_advances (1, &glyph, 0, &ret, 0);
+ return ret;
+ }
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_UNUSED,
+hb_font_get_glyph_v_advance_nil (hb_font_t *font,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
/* TODO use font_extents.ascender+descender */
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)
+hb_font_get_glyph_v_advance_default (hb_font_t *font,
+ void *font_data HB_UNUSED,
+ hb_codepoint_t glyph,
+ void *user_data HB_UNUSED)
{
+ if (font->has_glyph_v_advances_func_set ())
+ {
+ hb_position_t ret;
+ font->get_glyph_v_advances (1, &glyph, 0, &ret, 0);
+ return ret;
+ }
return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph));
}
+#define hb_font_get_glyph_h_advances_nil hb_font_get_glyph_h_advances_default
+static void
+hb_font_get_glyph_h_advances_default (hb_font_t* font,
+ void* font_data HB_UNUSED,
+ unsigned int count,
+ const hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ hb_position_t *first_advance,
+ unsigned int advance_stride,
+ void *user_data HB_UNUSED)
+{
+ if (font->has_glyph_h_advance_func_set ())
+ {
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->get_glyph_h_advance (*first_glyph);
+ first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
+ first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+ }
+ return;
+ }
+
+ font->parent->get_glyph_h_advances (count,
+ first_glyph, glyph_stride,
+ first_advance, advance_stride);
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->parent_scale_x_distance (*first_advance);
+ first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+ }
+}
+
+#define hb_font_get_glyph_v_advances_nil hb_font_get_glyph_v_advances_default
+static void
+hb_font_get_glyph_v_advances_default (hb_font_t* font,
+ void* font_data HB_UNUSED,
+ unsigned int count,
+ const hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride,
+ hb_position_t *first_advance,
+ unsigned int advance_stride,
+ void *user_data HB_UNUSED)
+{
+ if (font->has_glyph_v_advance_func_set ())
+ {
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->get_glyph_v_advance (*first_glyph);
+ first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
+ first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+ }
+ return;
+ }
+
+ font->parent->get_glyph_v_advances (count,
+ first_glyph, glyph_stride,
+ first_advance, advance_stride);
+ for (unsigned int i = 0; i < count; i++)
+ {
+ *first_advance = font->parent_scale_y_distance (*first_advance);
+ first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
+ }
+}
+
static hb_bool_t
hb_font_get_glyph_h_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
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_font_get_glyph_h_origin_default (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)
static hb_bool_t
hb_font_get_glyph_v_origin_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
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_font_get_glyph_v_origin_default (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)
static hb_position_t
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,
+ hb_codepoint_t left_glyph HB_UNUSED,
+ hb_codepoint_t right_glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_glyph_h_kerning_default (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));
}
+#ifndef HB_DISABLE_DEPRECATED
static hb_position_t
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,
+ hb_codepoint_t top_glyph HB_UNUSED,
+ hb_codepoint_t bottom_glyph HB_UNUSED,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_glyph_v_kerning_default (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));
}
+#endif
static hb_bool_t
hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
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_font_get_glyph_extents_default (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) {
static hb_bool_t
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_codepoint_t glyph HB_UNUSED,
+ unsigned int point_index HB_UNUSED,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
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_font_get_glyph_contour_point_default (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)
static hb_bool_t
hb_font_get_glyph_name_nil (hb_font_t *font HB_UNUSED,
void *font_data HB_UNUSED,
- hb_codepoint_t glyph,
+ hb_codepoint_t glyph HB_UNUSED,
char *name, unsigned int size,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_glyph_name_default (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_UNUSED,
void *font_data HB_UNUSED,
- const char *name, int len, /* -1 means nul-terminated */
+ const char *name HB_UNUSED,
+ int len HB_UNUSED, /* -1 means nul-terminated */
hb_codepoint_t *glyph,
void *user_data HB_UNUSED)
{
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)
+hb_font_get_glyph_from_name_default (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 = {
+DEFINE_NULL_INSTANCE (hb_font_funcs_t) =
+{
HB_OBJECT_HEADER_STATIC,
- true, /* immutable */
-
{
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
},
{
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
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 */
+static const hb_font_funcs_t _hb_font_funcs_default = {
+ HB_OBJECT_HEADER_STATIC,
{
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
},
{
-#define HB_FONT_FUNC_IMPLEMENT(name) NULL,
+#define HB_FONT_FUNC_IMPLEMENT(name) nullptr,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
},
{
{
-#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_parent,
+#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_default,
HB_FONT_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_FONT_FUNC_IMPLEMENT
}
/**
* hb_font_funcs_create: (Xconstructor)
*
- *
*
- * Return value: (transfer full):
+ *
+ * Return value: (transfer full):
*
* Since: 0.9.2
**/
hb_font_funcs_t *
-hb_font_funcs_create (void)
+hb_font_funcs_create ()
{
hb_font_funcs_t *ffuncs;
if (!(ffuncs = hb_object_create<hb_font_funcs_t> ()))
return hb_font_funcs_get_empty ();
- ffuncs->get = _hb_font_funcs_parent.get;
+ ffuncs->get = _hb_font_funcs_default.get;
return ffuncs;
}
/**
* hb_font_funcs_get_empty:
*
- *
*
- * Return value: (transfer full):
+ *
+ * Return value: (transfer full):
*
* Since: 0.9.2
**/
hb_font_funcs_t *
-hb_font_funcs_get_empty (void)
+hb_font_funcs_get_empty ()
{
- return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_parent);
+ return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_default);
}
/**
* hb_font_funcs_reference: (skip)
* @ffuncs: font functions.
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
* hb_font_funcs_destroy: (skip)
* @ffuncs: font functions.
*
- *
+ *
*
* Since: 0.9.2
**/
/**
* hb_font_funcs_set_user_data: (skip)
* @ffuncs: font functions.
- * @key:
- * @data:
- * @destroy:
- * @replace:
+ * @key:
+ * @data:
+ * @destroy:
+ * @replace:
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_funcs_get_user_data: (skip)
* @ffuncs: font functions.
- * @key:
+ * @key:
+ *
*
- *
*
- * Return value: (transfer none):
+ * Return value: (transfer none):
*
* Since: 0.9.2
**/
* hb_font_funcs_make_immutable:
* @ffuncs: font functions.
*
- *
+ *
*
* Since: 0.9.2
**/
void
hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs)
{
- if (unlikely (hb_object_is_inert (ffuncs)))
+ if (hb_object_is_immutable (ffuncs))
return;
- ffuncs->immutable = true;
+ hb_object_make_immutable (ffuncs);
}
/**
* hb_font_funcs_is_immutable:
* @ffuncs: font functions.
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
hb_bool_t
hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs)
{
- return ffuncs->immutable;
+ return hb_object_is_immutable (ffuncs);
}
#define HB_FONT_FUNC_IMPLEMENT(name) \
- \
+ \
void \
hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \
- hb_font_get_##name##_func_t func, \
- void *user_data, \
- hb_destroy_func_t destroy) \
+ hb_font_get_##name##_func_t func, \
+ void *user_data, \
+ hb_destroy_func_t destroy) \
{ \
- if (ffuncs->immutable) { \
+ if (hb_object_is_immutable (ffuncs)) \
+ { \
if (destroy) \
destroy (user_data); \
return; \
} \
- \
+ \
if (ffuncs->destroy.name) \
ffuncs->destroy.name (ffuncs->user_data.name); \
- \
+ \
if (func) { \
ffuncs->get.f.name = func; \
ffuncs->user_data.name = user_data; \
ffuncs->destroy.name = destroy; \
} else { \
- ffuncs->get.f.name = hb_font_get_##name##_parent; \
- ffuncs->user_data.name = NULL; \
- ffuncs->destroy.name = NULL; \
+ ffuncs->get.f.name = hb_font_get_##name##_default; \
+ ffuncs->user_data.name = nullptr; \
+ ffuncs->destroy.name = nullptr; \
} \
}
#undef HB_FONT_FUNC_IMPLEMENT
bool
+hb_font_t::has_func_set (unsigned int i)
+{
+ return this->klass->get.array[i] != _hb_font_funcs_default.get.array[i];
+}
+
+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];
+ return has_func_set (i) ||
+ (parent && parent != &_hb_Null_hb_font_t && parent->has_func (i));
}
/* Public getters */
/**
* hb_font_get_glyph:
* @font: a font.
- * @unicode:
- * @variation_selector:
- * @glyph: (out):
+ * @unicode:
+ * @variation_selector:
+ * @glyph: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_nominal_glyph:
* @font: a font.
- * @unicode:
- * @glyph: (out):
+ * @unicode:
+ * @glyph: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 1.2.3
**/
}
/**
+ * hb_font_get_nominal_glyphs:
+ * @font: a font.
+ *
+ *
+ *
+ * Return value:
+ *
+ * Since: 2.6.3
+ **/
+unsigned int
+hb_font_get_nominal_glyphs (hb_font_t *font,
+ unsigned int count,
+ const hb_codepoint_t *first_unicode,
+ unsigned int unicode_stride,
+ hb_codepoint_t *first_glyph,
+ unsigned int glyph_stride)
+{
+ return font->get_nominal_glyphs (count,
+ first_unicode, unicode_stride,
+ first_glyph, glyph_stride);
+}
+
+/**
* hb_font_get_variation_glyph:
* @font: a font.
- * @unicode:
- * @variation_selector:
- * @glyph: (out):
+ * @unicode:
+ * @variation_selector:
+ * @glyph: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 1.2.3
**/
/**
* hb_font_get_glyph_h_advance:
* @font: a font.
- * @glyph:
+ * @glyph:
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_v_advance:
* @font: a font.
- * @glyph:
+ * @glyph:
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
}
/**
+ * hb_font_get_glyph_h_advances:
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+void
+hb_font_get_glyph_h_advances (hb_font_t* font,
+ unsigned int count,
+ const hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_h_advances (count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
+/**
+ * hb_font_get_glyph_v_advances:
+ * @font: a font.
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+void
+hb_font_get_glyph_v_advances (hb_font_t* font,
+ unsigned int count,
+ const hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_v_advances (count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
+
+/**
* hb_font_get_glyph_h_origin:
* @font: a font.
- * @glyph:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @x: (out):
+ * @y: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_v_origin:
* @font: a font.
- * @glyph:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_h_kerning:
* @font: a font.
- * @left_glyph:
- * @right_glyph:
+ * @left_glyph:
+ * @right_glyph:
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
return font->get_glyph_h_kerning (left_glyph, right_glyph);
}
+#ifndef HB_DISABLE_DEPRECATED
/**
* hb_font_get_glyph_v_kerning:
* @font: a font.
- * @top_glyph:
- * @bottom_glyph:
+ * @top_glyph:
+ * @bottom_glyph:
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
+ * Deprecated: 2.0.0
**/
hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
{
return font->get_glyph_v_kerning (top_glyph, bottom_glyph);
}
+#endif
/**
* hb_font_get_glyph_extents:
* @font: a font.
- * @glyph:
- * @extents: (out):
+ * @glyph:
+ * @extents: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_contour_point:
* @font: a font.
- * @glyph:
- * @point_index:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @point_index:
+ * @x: (out):
+ * @y: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_name:
* @font: a font.
- * @glyph:
- * @name: (array length=size):
- * @size:
+ * @glyph:
+ * @name: (array length=size):
+ * @size:
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_from_name:
* @font: a font.
- * @name: (array length=len):
- * @len:
- * @glyph: (out):
+ * @name: (array length=len):
+ * @len:
+ * @glyph: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
* hb_font_get_extents_for_direction:
* @font: a font.
* @direction:
- * @extents:
+ * @extents: (out):
*
*
*
/**
* hb_font_get_glyph_advance_for_direction:
* @font: a font.
- * @glyph:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
{
return font->get_glyph_advance_for_direction (glyph, direction, x, y);
}
+/**
+ * hb_font_get_glyph_advances_for_direction:
+ * @font: a font.
+ * @direction:
+ *
+ *
+ *
+ * Since: 1.8.6
+ **/
+HB_EXTERN void
+hb_font_get_glyph_advances_for_direction (hb_font_t* font,
+ hb_direction_t direction,
+ unsigned int count,
+ const hb_codepoint_t *first_glyph,
+ unsigned glyph_stride,
+ hb_position_t *first_advance,
+ unsigned advance_stride)
+{
+ font->get_glyph_advances_for_direction (direction, count, first_glyph, glyph_stride, first_advance, advance_stride);
+}
/**
* hb_font_get_glyph_origin_for_direction:
* @font: a font.
- * @glyph:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_add_glyph_origin_for_direction:
* @font: a font.
- * @glyph:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_subtract_glyph_origin_for_direction:
* @font: a font.
- * @glyph:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_kerning_for_direction:
* @font: a font.
- * @first_glyph:
- * @second_glyph:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @first_glyph:
+ * @second_glyph:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_extents_for_origin:
* @font: a font.
- * @glyph:
- * @direction:
- * @extents: (out):
+ * @glyph:
+ * @direction:
+ * @extents: (out):
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_glyph_contour_point_for_origin:
* @font: a font.
- * @glyph:
- * @point_index:
- * @direction:
- * @x: (out):
- * @y: (out):
+ * @glyph:
+ * @point_index:
+ * @direction:
+ * @x: (out):
+ * @y: (out):
+ *
*
- *
*
- * Return value:
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_glyph_to_string:
* @font: a font.
- * @glyph:
- * @s: (array length=size):
- * @size:
+ * @glyph:
+ * @s: (array length=size):
+ * @size:
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_glyph_from_string:
* @font: a font.
- * @s: (array length=len) (element-type uint8_t):
- * @len:
- * @glyph: (out):
+ * @s: (array length=len) (element-type uint8_t):
+ * @len:
+ * @glyph: (out):
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
* 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)
+DEFINE_NULL_INSTANCE (hb_font_t) =
+{
+ HB_OBJECT_HEADER_STATIC,
+
+ nullptr, /* parent */
+ const_cast<hb_face_t *> (&_hb_Null_hb_face_t),
+
+ 1000, /* x_scale */
+ 1000, /* y_scale */
+ 1<<16, /* x_mult */
+ 1<<16, /* y_mult */
+
+ 0, /* x_ppem */
+ 0, /* y_ppem */
+ 0, /* ptem */
+
+ 0, /* num_coords */
+ nullptr, /* coords */
+ nullptr, /* design_coords */
+
+ const_cast<hb_font_funcs_t *> (&_hb_Null_hb_font_funcs_t),
+
+ /* Zero for the rest is fine. */
+};
+
+
+static hb_font_t *
+_hb_font_create (hb_face_t *face)
{
hb_font_t *font;
font->parent = hb_font_get_empty ();
font->face = hb_face_reference (face);
font->klass = hb_font_funcs_get_empty ();
-
+ font->data.init0 (font);
font->x_scale = font->y_scale = hb_face_get_upem (face);
+ font->x_mult = font->y_mult = 1 << 16;
return font;
}
/**
+ * 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)
+{
+ hb_font_t *font = _hb_font_create (face);
+
+#ifndef HB_NO_OT_FONT
+ /* Install our in-house, very lightweight, funcs. */
+ hb_ot_font_set_funcs (font);
+#endif
+
+ return font;
+}
+
+static void
+_hb_font_adopt_var_coords (hb_font_t *font,
+ int *coords, /* 2.14 normalized */
+ float *design_coords,
+ unsigned int coords_length)
+{
+ free (font->coords);
+ free (font->design_coords);
+
+ font->coords = coords;
+ font->design_coords = design_coords;
+ font->num_coords = coords_length;
+}
+
+/**
* hb_font_create_sub_font:
* @parent: parent font.
*
- *
*
- * Return value: (transfer full):
+ *
+ * Return value: (transfer full):
*
* Since: 0.9.2
**/
if (unlikely (!parent))
parent = hb_font_get_empty ();
- hb_font_t *font = hb_font_create (parent->face);
+ hb_font_t *font = _hb_font_create (parent->face);
- if (unlikely (hb_object_is_inert (font)))
+ if (unlikely (hb_object_is_immutable (font)))
return font;
font->parent = hb_font_reference (parent);
font->x_scale = parent->x_scale;
font->y_scale = parent->y_scale;
+ font->mults_changed ();
font->x_ppem = parent->x_ppem;
font->y_ppem = parent->y_ppem;
+ font->ptem = parent->ptem;
- /* TODO: copy variation coordinates. */
+ unsigned int num_coords = parent->num_coords;
+ if (num_coords)
+ {
+ int *coords = (int *) calloc (num_coords, sizeof (parent->coords[0]));
+ float *design_coords = (float *) calloc (num_coords, sizeof (parent->design_coords[0]));
+ if (likely (coords && design_coords))
+ {
+ memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0]));
+ memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0]));
+ _hb_font_adopt_var_coords (font, coords, design_coords, num_coords);
+ }
+ else
+ {
+ free (coords);
+ free (design_coords);
+ }
+ }
return font;
}
/**
* hb_font_get_empty:
*
- *
+ *
*
* Return value: (transfer full)
*
* Since: 0.9.2
**/
hb_font_t *
-hb_font_get_empty (void)
+hb_font_get_empty ()
{
- static const hb_font_t _hb_font_nil = {
- HB_OBJECT_HEADER_STATIC,
-
- true, /* immutable */
-
- NULL, /* parent */
- const_cast<hb_face_t *> (&_hb_face_nil),
-
- 1000, /* x_scale */
- 1000, /* y_scale */
-
- 0, /* x_ppem */
- 0, /* y_ppem */
-
- 0, /* num_coords */
- NULL, /* coords */
-
- const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */
- NULL, /* user_data */
- NULL, /* destroy */
-
- hb_font_t::NOTHING, /* dirty */
-
- {
-#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
- }
- };
-
- return const_cast<hb_font_t *> (&_hb_font_nil);
+ return const_cast<hb_font_t *> (&Null (hb_font_t));
}
/**
* hb_font_reference: (skip)
* @font: a font.
*
- *
*
- * Return value: (transfer full):
+ *
+ * Return value: (transfer full):
*
* Since: 0.9.2
**/
* hb_font_destroy: (skip)
* @font: a font.
*
- *
+ *
*
* Since: 0.9.2
**/
{
if (!hb_object_destroy (font)) return;
-#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, font);
-#include "hb-shaper-list.hh"
-#undef HB_SHAPER_IMPLEMENT
+ font->data.fini ();
if (font->destroy)
font->destroy (font->user_data);
hb_font_funcs_destroy (font->klass);
free (font->coords);
+ free (font->design_coords);
free (font);
}
/**
* hb_font_set_user_data: (skip)
* @font: a font.
- * @key:
- * @data:
- * @destroy:
- * @replace:
+ * @key:
+ * @data:
+ * @destroy:
+ * @replace:
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
/**
* hb_font_get_user_data: (skip)
* @font: a font.
- * @key:
+ * @key:
+ *
*
- *
*
- * Return value: (transfer none):
+ * Return value: (transfer none):
*
* Since: 0.9.2
**/
* hb_font_make_immutable:
* @font: a font.
*
- *
+ *
*
* Since: 0.9.2
**/
void
hb_font_make_immutable (hb_font_t *font)
{
- if (unlikely (hb_object_is_inert (font)))
+ if (hb_object_is_immutable (font))
return;
if (font->parent)
hb_font_make_immutable (font->parent);
- font->immutable = true;
+ hb_object_make_immutable (font);
}
/**
* hb_font_is_immutable:
* @font: a font.
*
- *
*
- * Return value:
+ *
+ * Return value:
*
* Since: 0.9.2
**/
hb_bool_t
hb_font_is_immutable (hb_font_t *font)
{
- return font->immutable;
+ return hb_object_is_immutable (font);
}
/**
hb_font_set_parent (hb_font_t *font,
hb_font_t *parent)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
if (!parent)
parent = hb_font_get_empty ();
- if (parent == font->parent)
- return;
-
- font->dirty |= font->PARENT;
-
hb_font_t *old = font->parent;
font->parent = hb_font_reference (parent);
* hb_font_get_parent:
* @font: a font.
*
- *
*
- * Return value: (transfer none):
+ *
+ * Return value: (transfer none):
*
* Since: 0.9.2
**/
hb_font_set_face (hb_font_t *font,
hb_face_t *face)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
if (unlikely (!face))
face = hb_face_get_empty ();
- if (font->face == face)
- return;
-
- font->dirty |= font->FACE;
-
hb_face_t *old = font->face;
+ hb_face_make_immutable (face);
font->face = hb_face_reference (face);
+ font->mults_changed ();
hb_face_destroy (old);
}
* hb_font_get_face:
* @font: a font.
*
- *
*
- * Return value: (transfer none):
+ *
+ * Return value: (transfer none):
*
* Since: 0.9.2
**/
* hb_font_set_funcs:
* @font: a font.
* @klass: (closure font_data) (destroy destroy) (scope notified):
- * @font_data:
- * @destroy:
+ * @font_data:
+ * @destroy:
+ *
*
- *
*
* Since: 0.9.2
**/
void *font_data,
hb_destroy_func_t destroy)
{
- if (font->immutable) {
+ if (hb_object_is_immutable (font))
+ {
if (destroy)
destroy (font_data);
return;
if (!klass)
klass = hb_font_funcs_get_empty ();
- font->dirty |= font->FUNCS;
-
hb_font_funcs_reference (klass);
hb_font_funcs_destroy (font->klass);
font->klass = klass;
* hb_font_set_funcs_data:
* @font: a font.
* @font_data: (destroy destroy) (scope notified):
- * @destroy:
+ * @destroy:
+ *
*
- *
*
* Since: 0.9.2
**/
void
hb_font_set_funcs_data (hb_font_t *font,
- void *font_data,
- hb_destroy_func_t destroy)
+ void *font_data,
+ hb_destroy_func_t destroy)
{
/* Destroy user_data? */
- if (font->immutable) {
+ if (hb_object_is_immutable (font))
+ {
if (destroy)
destroy (font_data);
return;
/**
* hb_font_set_scale:
* @font: a font.
- * @x_scale:
- * @y_scale:
+ * @x_scale:
+ * @y_scale:
+ *
*
- *
*
* Since: 0.9.2
**/
int x_scale,
int y_scale)
{
- if (font->immutable)
- return;
-
- if (font->x_scale == x_scale && font->y_scale == y_scale)
+ if (hb_object_is_immutable (font))
return;
- font->dirty |= font->SCALE;
-
font->x_scale = x_scale;
font->y_scale = y_scale;
+ font->mults_changed ();
}
/**
* hb_font_get_scale:
* @font: a font.
- * @x_scale: (out):
- * @y_scale: (out):
+ * @x_scale: (out):
+ * @y_scale: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
/**
* hb_font_set_ppem:
* @font: a font.
- * @x_ppem:
- * @y_ppem:
+ * @x_ppem:
+ * @y_ppem:
+ *
*
- *
*
* Since: 0.9.2
**/
unsigned int x_ppem,
unsigned int y_ppem)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
- if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
- return;
-
- font->dirty |= font->PPEM;
-
font->x_ppem = x_ppem;
font->y_ppem = y_ppem;
}
/**
* hb_font_get_ppem:
* @font: a font.
- * @x_ppem: (out):
- * @y_ppem: (out):
+ * @x_ppem: (out):
+ * @y_ppem: (out):
+ *
*
- *
*
* Since: 0.9.2
**/
if (y_ppem) *y_ppem = font->y_ppem;
}
-/*
- * Variations
- */
-
-static void
-_hb_font_adopt_var_coords_normalized (hb_font_t *font,
- int *coords, /* 2.14 normalized */
- unsigned int coords_length)
+/**
+ * hb_font_set_ptem:
+ * @font: a font.
+ * @ptem: font size in points.
+ *
+ * Sets "point size" of the font. Set to 0 to unset.
+ *
+ * There are 72 points in an inch.
+ *
+ * Since: 1.6.0
+ **/
+void
+hb_font_set_ptem (hb_font_t *font, float ptem)
{
- if (font->num_coords == coords_length &&
- (coords_length == 0 ||
- 0 == memcmp (font->coords, coords, coords_length * sizeof (coords[0]))))
- {
- free (coords);
+ if (hb_object_is_immutable (font))
return;
- }
-
- font->dirty |= font->VARIATIONS;
- free (font->coords);
+ font->ptem = ptem;
+}
- font->coords = coords;
- font->num_coords = coords_length;
+/**
+ * hb_font_get_ptem:
+ * @font: a font.
+ *
+ * Gets the "point size" of the font. A value of 0 means unset.
+ *
+ * Return value: Point size.
+ *
+ * Since: 0.9.2
+ **/
+float
+hb_font_get_ptem (hb_font_t *font)
+{
+ return font->ptem;
}
+#ifndef HB_NO_VAR
+/*
+ * Variations
+ */
+
/**
* hb_font_set_variations:
*
const hb_variation_t *variations,
unsigned int variations_length)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
if (!variations_length)
{
- hb_font_set_var_coords_normalized (font, NULL, 0);
+ hb_font_set_var_coords_normalized (font, nullptr, 0);
return;
}
unsigned int coords_length = hb_ot_var_get_axis_count (font->face);
- int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
- if (unlikely (coords_length && !normalized))
+ int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : nullptr;
+ float *design_coords = coords_length ? (float *) calloc (coords_length, sizeof (float)) : nullptr;
+
+ if (unlikely (coords_length && !(normalized && design_coords)))
+ {
+ free (normalized);
+ free (design_coords);
return;
+ }
- hb_ot_var_normalize_variations (font->face,
- variations, variations_length,
- normalized, coords_length);
- _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
+ const OT::fvar &fvar = *font->face->table.fvar;
+ for (unsigned int i = 0; i < variations_length; i++)
+ {
+ hb_ot_var_axis_info_t info;
+ if (hb_ot_var_find_axis_info (font->face, variations[i].tag, &info) &&
+ info.axis_index < coords_length)
+ {
+ float v = variations[i].value;
+ design_coords[info.axis_index] = v;
+ normalized[info.axis_index] = fvar.normalize_axis_value (info.axis_index, v);
+ }
+ }
+ font->face->table.avar->map_coords (normalized, coords_length);
+
+ _hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
}
/**
const float *coords,
unsigned int coords_length)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
- int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : NULL;
- if (unlikely (coords_length && !normalized))
+ int *normalized = coords_length ? (int *) calloc (coords_length, sizeof (int)) : nullptr;
+ float *design_coords = coords_length ? (float *) calloc (coords_length, sizeof (float)) : nullptr;
+
+ if (unlikely (coords_length && !(normalized && design_coords)))
+ {
+ free (normalized);
+ free (design_coords);
return;
+ }
+
+ if (coords_length)
+ memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0]));
hb_ot_var_normalize_coords (font->face, coords_length, coords, normalized);
- _hb_font_adopt_var_coords_normalized (font, normalized, coords_length);
+ _hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
+}
+
+/**
+ * hb_font_set_var_named_instance:
+ * @font: a font.
+ * @instance_index: named instance index.
+ *
+ * Sets design coords of a font from a named instance index.
+ *
+ * Since: 2.6.0
+ */
+void
+hb_font_set_var_named_instance (hb_font_t *font,
+ unsigned instance_index)
+{
+ if (hb_object_is_immutable (font))
+ return;
+
+ unsigned int coords_length = hb_ot_var_named_instance_get_design_coords (font->face, instance_index, nullptr, nullptr);
+
+ float *coords = coords_length ? (float *) calloc (coords_length, sizeof (float)) : nullptr;
+ if (unlikely (coords_length && !coords))
+ return;
+
+ hb_ot_var_named_instance_get_design_coords (font->face, instance_index, &coords_length, coords);
+ hb_font_set_var_coords_design (font, coords, coords_length);
+ free (coords);
}
/**
const int *coords, /* 2.14 normalized */
unsigned int coords_length)
{
- if (font->immutable)
+ if (hb_object_is_immutable (font))
return;
- int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : NULL;
- if (unlikely (coords_length && !copy))
+ int *copy = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : nullptr;
+ int *unmapped = coords_length ? (int *) calloc (coords_length, sizeof (coords[0])) : nullptr;
+ float *design_coords = coords_length ? (float *) calloc (coords_length, sizeof (design_coords[0])) : nullptr;
+
+ if (unlikely (coords_length && !(copy && unmapped && design_coords)))
+ {
+ free (copy);
+ free (unmapped);
+ free (design_coords);
return;
+ }
if (coords_length)
+ {
memcpy (copy, coords, coords_length * sizeof (coords[0]));
+ memcpy (unmapped, coords, coords_length * sizeof (coords[0]));
+ }
- _hb_font_adopt_var_coords_normalized (font, copy, coords_length);
+ /* Best effort design coords simulation */
+ font->face->table.avar->unmap_coords (unmapped, coords_length);
+ for (unsigned int i = 0; i < coords_length; ++i)
+ design_coords[i] = font->face->table.fvar->unnormalize_axis_value (i, unmapped[i]);
+ free (unmapped);
+
+ _hb_font_adopt_var_coords (font, copy, design_coords, coords_length);
}
/**
return font->coords;
}
+#ifdef HB_EXPERIMENTAL_API
+/**
+ * hb_font_get_var_coords_design:
+ *
+ * Return value is valid as long as variation coordinates of the font
+ * are not modified.
+ *
+ * Since: EXPERIMENTAL
+ */
+const float *
+hb_font_get_var_coords_design (hb_font_t *font,
+ unsigned int *length)
+{
+ if (length)
+ *length = font->num_coords;
-#ifndef HB_DISABLE_DEPRECATED
+ return font->design_coords;
+}
+#endif
+#endif
+#ifndef HB_DISABLE_DEPRECATED
/*
* Deprecated get_glyph_func():
*/
trampoline_t *trampoline = (trampoline_t *) calloc (1, sizeof (trampoline_t));
if (unlikely (!trampoline))
- return NULL;
+ return nullptr;
trampoline->closure.user_data = user_data;
trampoline->closure.destroy = destroy;
/**
* hb_font_funcs_set_glyph_func:
* @ffuncs: font functions.
- * @func: (closure user_data) (destroy destroy) (scope notified):
- * @user_data:
- * @destroy:
+ * @func: (closure user_data) (destroy destroy) (scope notified): callback function.
+ * @user_data: data to pass to @func.
+ * @destroy: function to call when @user_data is not needed anymore.
*
* Deprecated. Use hb_font_funcs_set_nominal_glyph_func() and
* hb_font_funcs_set_variation_glyph_func() instead.
hb_font_get_glyph_func_t func,
void *user_data, hb_destroy_func_t destroy)
{
+ if (hb_object_is_immutable (ffuncs))
+ {
+ if (destroy)
+ destroy (user_data);
+ return;
+ }
+
hb_font_get_glyph_trampoline_t *trampoline;
trampoline = trampoline_create (func, user_data, destroy);
trampoline,
trampoline_destroy);
}
-
-#endif /* HB_DISABLE_DEPRECATED */
+#endif
projects / platform / upstream / harfbuzz.git / blobdiff