diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc | 102 |
1 files changed, 101 insertions, 1 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc index d1b8a8822d4..c038b108775 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-font.cc @@ -45,6 +45,54 @@ */ static hb_bool_t +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) +{ + 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_glyph_nil (hb_font_t *font HB_UNUSED, void *font_data HB_UNUSED, hb_codepoint_t unicode, @@ -280,7 +328,6 @@ hb_font_get_glyph_from_name_parent (hb_font_t *font, return font->parent->get_glyph_from_name (name, len, glyph); } - static const hb_font_funcs_t _hb_font_funcs_nil = { HB_OBJECT_HEADER_STATIC, @@ -522,6 +569,42 @@ hb_font_t::has_func (unsigned int 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: @@ -746,6 +829,23 @@ hb_font_get_glyph_from_name (hb_font_t *font, /* 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: |