[pango/hb-getters: 2/3] Add api to get a hb_font_t
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pango/hb-getters: 2/3] Add api to get a hb_font_t
- Date: Mon, 15 Oct 2018 21:48:19 +0000 (UTC)
commit c58abf52ca5d5ec91a0a33128610cf5787692f17
Author: Matthias Clasen <mclasen redhat com>
Date: Mon Oct 15 16:34:01 2018 -0400
Add api to get a hb_font_t
This will make it easier to access harfbuzz features.
pango/fonts.c | 23 +++++++++++++++++++++++
pango/pango-font.h | 6 +++++-
2 files changed, 28 insertions(+), 1 deletion(-)
---
diff --git a/pango/fonts.c b/pango/fonts.c
index d9a07c0b..28614b2f 100644
--- a/pango/fonts.c
+++ b/pango/fonts.c
@@ -1837,6 +1837,29 @@ pango_font_get_font_map (PangoFont *font)
return NULL;
}
+/**
+ * pango_font_get_hb_font:
+ * @font: a #PangoFont
+ *
+ * Get a hb_font_t object backing this font.
+ *
+ * Returns: (transfer full) (nullable): the hb_font_t object backing the
+ * font, or %NULL if the font does not have one
+ *
+ * Since: 1.44
+ */
+hb_font_t *
+pango_font_get_hb_font (PangoFont *font)
+{
+ if (G_UNLIKELY (!font))
+ return NULL;
+
+ if (PANGO_FONT_GET_CLASS (font)->get_hb_font)
+ return PANGO_FONT_GET_CLASS (font)->get_hb_font (font);
+ else
+ return NULL;
+}
+
G_DEFINE_BOXED_TYPE (PangoFontMetrics, pango_font_metrics,
pango_font_metrics_ref,
pango_font_metrics_unref);
diff --git a/pango/pango-font.h b/pango/pango-font.h
index 4af31a95..d9a35885 100644
--- a/pango/pango-font.h
+++ b/pango/pango-font.h
@@ -26,6 +26,7 @@
#include <pango/pango-types.h>
#include <glib-object.h>
+#include <hb.h>
G_BEGIN_DECLS
@@ -583,6 +584,9 @@ void pango_font_get_glyph_extents (PangoFont *font,
PANGO_AVAILABLE_IN_1_10
PangoFontMap *pango_font_get_font_map (PangoFont *font);
+PANGO_AVAILABLE_IN_1_44
+hb_font_t * pango_font_get_hb_font (PangoFont *font);
+
#ifdef PANGO_ENABLE_BACKEND
#define PANGO_FONT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONT, PangoFontClass))
@@ -632,11 +636,11 @@ struct _PangoFontClass
PangoLanguage *language);
PangoFontMap * (*get_font_map) (PangoFont *font);
PangoFontDescription *(*describe_absolute) (PangoFont *font);
+ hb_font_t * (*get_hb_font) (PangoFont *font);
/*< private >*/
/* Padding for future expansion */
void (*_pango_reserved1) (void);
- void (*_pango_reserved2) (void);
};
/* used for very rare and miserable situtations that we cannot even
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