Merge branch 'hb-fc'

configure.ac

@@ -235,6 +235,24 @@ AM_CONDITIONAL(HAVE_CAIRO_FT, $have_cairo_ft)
 
 dnl ==========================================================================
 
+AC_ARG_WITH(fontconfig,
+	[AS_HELP_STRING([--with-fontconfig=@<:@yes/no/auto@:>@],
+			[Use fontconfig @<:@default=auto@:>@])],,
+	[with_fontconfig=auto])
+have_fontconfig=false
+if test "x$with_fontconfig" = "xyes" -o "x$with_fontconfig" = "xauto"; then
+	PKG_CHECK_MODULES(FONTCONFIG, fontconfig, have_fontconfig=true, :)
+fi
+if test "x$with_fontconfig" = "xyes" -a "x$have_fontconfig" != "xtrue"; then
+	AC_MSG_ERROR([fontconfig support requested but not found])
+fi
+if $have_fontconfig; then
+	AC_DEFINE(HAVE_FONTCONFIG, 1, [Have fontconfig library])
+fi
+AM_CONDITIONAL(HAVE_FONTCONFIG, $have_fontconfig)
+
+dnl ==========================================================================
+
 AC_ARG_WITH(icu,
 	[AS_HELP_STRING([--with-icu=@<:@yes/no/auto@:>@],
 			[Use ICU @<:@default=auto@:>@])],,
@@ -438,6 +456,7 @@ Font callbacks (the more the better):
 
 Tools used for command-line utilities:
 	Cairo:			${have_cairo}
+	Fontconfig:		${have_fontconfig}
 
 Additional shapers (the more the better):
 	Graphite2:		${have_graphite2}

src/hb-face.cc

@@ -165,8 +165,8 @@ hb_face_create (hb_blob_t    *blob,
 {
   hb_face_t *face;
 
-  if (unlikely (!blob || !hb_blob_get_length (blob)))
-    return hb_face_get_empty ();
+  if (unlikely (!blob))
+    blob = hb_blob_get_empty ();
 
   hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
 

src/hb-font.cc

@@ -854,8 +854,6 @@ 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 ();
 
@@ -880,7 +878,7 @@ 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);
 

src/hb-shape-plan.cc

@@ -126,7 +126,7 @@ hb_shape_plan_create (hb_face_t                     *face,
 
   if (unlikely (!face))
     face = hb_face_get_empty ();
-  if (unlikely (!props || hb_object_is_inert (face)))
+  if (unlikely (!props))
     return hb_shape_plan_get_empty ();
   if (num_user_features && !(features = (hb_feature_t *) malloc (num_user_features * sizeof (hb_feature_t))))
     return hb_shape_plan_get_empty ();
@@ -294,7 +294,6 @@ hb_shape_plan_execute (hb_shape_plan_t    *shape_plan,
 		  shape_plan->shaper_func);
 
   if (unlikely (hb_object_is_inert (shape_plan) ||
-		hb_object_is_inert (font) ||
 		hb_object_is_inert (buffer)))
     return false;
 
@@ -453,6 +452,10 @@ retry:
 
   hb_shape_plan_t *shape_plan = hb_shape_plan_create (face, props, user_features, num_user_features, shaper_list);
 
+  /* Don't add to the cache if face is inert. */
+  if (unlikely (hb_object_is_inert (face)))
+    return shape_plan;
+
   /* Don't add the plan to the cache if there were user features with non-global ranges */
 
   if (hb_non_global_user_features_present (user_features, num_user_features))

test/api/test-font.c

@@ -36,8 +36,8 @@ static void
 test_face_empty (void)
 {
   g_assert (hb_face_get_empty ());
-  g_assert (hb_face_get_empty () == hb_face_create (hb_blob_get_empty (), 0));
-  g_assert (hb_face_get_empty () == hb_face_create (NULL, 0));
+  g_assert (hb_face_get_empty () != hb_face_create (hb_blob_get_empty (), 0));
+  g_assert (hb_face_get_empty () != hb_face_create (NULL, 0));
 
   g_assert (hb_face_reference_table (hb_face_get_empty (), HB_TAG ('h','e','a','d')) == hb_blob_get_empty ());
 
@@ -348,9 +348,9 @@ static void
 test_font_empty (void)
 {
   g_assert (hb_font_get_empty ());
-  g_assert (hb_font_get_empty () == hb_font_create (hb_face_get_empty ()));
-  g_assert (hb_font_get_empty () == hb_font_create (NULL));
-  g_assert (hb_font_get_empty () == hb_font_create_sub_font (NULL));
+  g_assert (hb_font_get_empty () != hb_font_create (hb_face_get_empty ()));
+  g_assert (hb_font_get_empty () != hb_font_create (NULL));
+  g_assert (hb_font_get_empty () != hb_font_create_sub_font (NULL));
   g_assert (hb_font_is_immutable (hb_font_get_empty ()));
 
   g_assert (hb_font_get_face (hb_font_get_empty ()) == hb_face_get_empty ());

test/api/test-object.c

@@ -36,7 +36,7 @@ create_blob (void)
   return hb_blob_create (data, sizeof (data), HB_MEMORY_MODE_READONLY, NULL, NULL);
 }
 static void *
-create_blob_inert (void)
+create_blob_from_inert (void)
 {
   return hb_blob_create (NULL, 0, HB_MEMORY_MODE_DUPLICATE, NULL, NULL);
 }
@@ -47,7 +47,7 @@ create_buffer (void)
   return hb_buffer_create ();
 }
 static void *
-create_buffer_inert (void)
+create_buffer_from_inert (void)
 {
   return NULL;
 }
@@ -58,7 +58,7 @@ create_set (void)
   return hb_set_create ();
 }
 static void *
-create_set_inert (void)
+create_set_from_inert (void)
 {
   return NULL;
 }
@@ -72,7 +72,7 @@ create_face (void)
   return face;
 }
 static void *
-create_face_inert (void)
+create_face_from_inert (void)
 {
   return hb_face_create (hb_blob_get_empty (), 0);
 }
@@ -86,7 +86,7 @@ create_font (void)
   return font;
 }
 static void *
-create_font_inert (void)
+create_font_from_inert (void)
 {
   return hb_font_create (hb_face_get_empty ());
 }
@@ -97,7 +97,7 @@ create_font_funcs (void)
   return hb_font_funcs_create ();
 }
 static void *
-create_font_funcs_inert (void)
+create_font_funcs_from_inert (void)
 {
   return NULL;
 }
@@ -108,9 +108,9 @@ create_unicode_funcs (void)
   return hb_unicode_funcs_create (NULL);
 }
 static void *
-create_unicode_funcs_inert (void)
+create_unicode_funcs_from_inert (void)
 {
-  return hb_unicode_funcs_get_default ();
+  return hb_unicode_funcs_create (hb_unicode_funcs_get_empty ());
 }
 
 
@@ -125,7 +125,7 @@ typedef hb_bool_t (*is_immutable_func_t)   (void *obj);
 
 typedef struct {
   create_func_t          create;
-  create_func_t          create_inert;
+  create_func_t          create_from_inert;
   create_func_t          get_empty;
   reference_func_t       reference;
   destroy_func_t         destroy;
@@ -139,7 +139,7 @@ typedef struct {
 #define OBJECT_WITHOUT_IMMUTABILITY(name) \
   { \
     (create_func_t)         create_##name, \
-    (create_func_t)         create_##name##_inert, \
+    (create_func_t)         create_##name##_from_inert, \
     (create_func_t)         hb_##name##_get_empty, \
     (reference_func_t)      hb_##name##_reference, \
     (destroy_func_t)        hb_##name##_destroy, \
@@ -152,7 +152,7 @@ typedef struct {
 #define OBJECT_WITH_IMMUTABILITY(name) \
   { \
     (create_func_t)         create_##name, \
-    (create_func_t)         create_##name##_inert, \
+    (create_func_t)         create_##name##_from_inert, \
     (create_func_t)         hb_##name##_get_empty, \
     (reference_func_t)      hb_##name##_reference, \
     (destroy_func_t)        hb_##name##_destroy, \
@@ -340,8 +340,8 @@ test_object (void)
     {
       data_t data[2] = {{MAGIC0, FALSE}, {MAGIC1, FALSE}};
 
-      g_test_message ("->create_inert()");
-      obj = o->create_inert ();
+      g_test_message ("->create_from_inert()");
+      obj = o->create_from_inert ();
       if (!obj)
 	continue;
       if (obj == o->get_empty ())
@@ -351,10 +351,10 @@ test_object (void)
       o->destroy (obj);
 
       if (o->is_immutable)
-	g_assert (o->is_immutable (obj));
+	g_assert (!o->is_immutable (obj));
 
-      g_assert (!o->set_user_data (obj, &key[0], &data[0], free_up0, TRUE));
-      g_assert (!o->get_user_data (obj, &key[0]));
+      g_assert (o->set_user_data (obj, &key[0], &data[0], free_up0, TRUE));
+      g_assert (o->get_user_data (obj, &key[0]));
 
       o->destroy (obj);
       o->destroy (obj);
@@ -362,7 +362,7 @@ test_object (void)
       o->destroy (obj);
       o->destroy (obj);
 
-      g_assert (!data[0].freed);
+      g_assert (data[0].freed);
     }
   }
 }

util/Makefile.am

@@ -76,4 +76,19 @@ endif # HAVE_OT
 
 endif # HAVE_GLIB
 
+if HAVE_OT
+if HAVE_FONTCONFIG
+hb_fc_list_SOURCES = \
+	hb-fc.cc \
+	hb-fc.h \
+	hb-fc-list.c \
+	$(NULL)
+hb_fc_list_LDADD = \
+	$(LDADD) \
+	$(FONTCONFIG_LIBS) \
+	$(NULL)
+bin_PROGRAMS += hb-fc-list
+endif # HAVE_FONTCONFIG
+endif # HAVE_OT
+
 -include $(top_srcdir)/git.mk

util/hb-fc-list.c

+/*
+ * Copyright © 2002 Keith Packard
+ * Copyright © 2014  Google, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors make no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#define HAVE_GETOPT_LONG 1 /* XXX */
+
+#include "hb-fc.h"
+
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#else
+#ifdef linux
+#define HAVE_GETOPT_LONG 1
+#endif
+#define HAVE_GETOPT 1
+#endif
+
+#ifndef HAVE_GETOPT
+#define HAVE_GETOPT 0
+#endif
+#ifndef HAVE_GETOPT_LONG
+#define HAVE_GETOPT_LONG 0
+#endif
+
+#if HAVE_GETOPT_LONG
+#undef  _GNU_SOURCE
+#define _GNU_SOURCE
+#include <getopt.h>
+const struct option longopts[] = {
+    {"verbose", 0, 0, 'v'},
+    {"format", 1, 0, 'f'},
+    {"quiet", 0, 0, 'q'},
+    {"version", 0, 0, 'V'},
+    {"help", 0, 0, 'h'},
+    {NULL,0,0,0},
+};
+#else
+#if HAVE_GETOPT
+extern char *optarg;
+extern int optind, opterr, optopt;
+#endif
+#endif
+
+static void
+usage (char *program, int error)
+{
+    FILE *file = error ? stderr : stdout;
+#if HAVE_GETOPT_LONG
+    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [--verbose] [--format=FORMAT] [--quiet] [--version] [--help] text [pattern] {element ...} \n",
+	     program);
+#else
+    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] text [pattern] {element ...} \n",
+	     program);
+#endif
+    fprintf (file, "List fonts matching [pattern] that can render [text]\n");
+    fprintf (file, "\n");
+#if HAVE_GETOPT_LONG
+    fprintf (file, "  -v, --verbose        display entire font pattern verbosely\n");
+    fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
+    fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
+    fprintf (file, "  -V, --version        display font config version and exit\n");
+    fprintf (file, "  -h, --help           display this help and exit\n");
+#else
+    fprintf (file, "  -v         (verbose) display entire font pattern verbosely\n");
+    fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
+    fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
+    fprintf (file, "  -V         (version) display HarfBuzz version and exit\n");
+    fprintf (file, "  -h         (help)    display this help and exit\n");
+#endif
+    exit (error);
+}
+
+int
+main (int argc, char **argv)
+{
+    int			verbose = 0;
+    int			quiet = 0;
+    const FcChar8	*format = NULL;
+    int			nfont = 0;
+    int			i;
+    FcObjectSet		*os = 0;
+    FcFontSet		*fs;
+    FcPattern		*pat;
+    const char		*text;
+#if HAVE_GETOPT_LONG || HAVE_GETOPT
+    int			c;
+
+#if HAVE_GETOPT_LONG
+    while ((c = getopt_long (argc, argv, "vf:qVh", longopts, NULL)) != -1)
+#else
+    while ((c = getopt (argc, argv, "vf:qVh")) != -1)
+#endif
+    {
+	switch (c) {
+	case 'v':
+	    verbose = 1;
+	    break;
+	case 'f':
+	    format = (FcChar8 *) strdup (optarg);
+	    break;
+	case 'q':
+	    quiet = 1;
+	    break;
+	case 'V':
+	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
+		     FC_MAJOR, FC_MINOR, FC_REVISION);
+	    exit (0);
+	case 'h':
+	    usage (argv[0], 0);
+	default:
+	    usage (argv[0], 1);
+	}
+    }
+    i = optind;
+#else
+    i = 1;
+#endif
+
+    if (!argv[i])
+	usage (argv[0], 1);
+
+    text = argv[i];
+    i++;
+
+    if (argv[i])
+    {
+	pat = FcNameParse ((FcChar8 *) argv[i]);
+	if (!pat)
+	{
+	    fputs ("Unable to parse the pattern\n", stderr);
+	    return 1;
+	}
+	while (argv[++i])
+	{
+	    if (!os)
+		os = FcObjectSetCreate ();
+	    FcObjectSetAdd (os, argv[i]);
+	}
+    }
+    else
+	pat = FcPatternCreate ();
+    if (quiet && !os)
+	os = FcObjectSetCreate ();
+    if (!verbose && !format && !os)
+	os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_FILE, (char *) 0);
+    FcObjectSetAdd (os, FC_CHARSET);
+    if (!format)
+        format = (const FcChar8 *) "%{=fclist}\n";
+    fs = FcFontList (0, pat, os);
+    if (os)
+	FcObjectSetDestroy (os);
+    if (pat)
+	FcPatternDestroy (pat);
+
+    if (!quiet && fs)
+    {
+	int	j;
+
+	for (j = 0; j < fs->nfont; j++)
+	{
+	    hb_font_t *font = hb_fc_font_create (fs->fonts[j]);
+	    hb_bool_t can_render = hb_fc_can_render (font, text);
+	    hb_font_destroy (font);
+
+	    if (!can_render)
+		continue;
+
+	    FcPatternDel (fs->fonts[j], FC_CHARSET);
+
+	    if (verbose)
+	    {
+		FcPatternPrint (fs->fonts[j]);
+	    }
+	    else
+	    {
+	        FcChar8 *s;
+
+		s = FcPatternFormat (fs->fonts[j], format);
+		if (s)
+		{
+		    printf ("%s", s);
+		    FcStrFree (s);
+		}
+	    }
+	}
+    }
+
+    if (fs) {
+	nfont = fs->nfont;
+	FcFontSetDestroy (fs);
+    }
+
+    FcFini ();
+
+    return quiet ? (nfont == 0 ? 1 : 0) : 0;
+}

util/hb-fc.cc

+/*
+ * Copyright © 2014  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "hb-fc.h"
+
+static hb_bool_t
+hb_fc_get_glyph (hb_font_t *font /*HB_UNUSED*/,
+		 void *font_data,
+		 hb_codepoint_t unicode,
+		 hb_codepoint_t variation_selector,
+		 hb_codepoint_t *glyph,
+		 void *user_data /*HB_UNUSED*/)
+
+{
+  FcCharSet *cs = (FcCharSet *) font_data;
+
+  if (variation_selector)
+  {
+    /* Fontconfig doesn't cache cmap-14 info.  However:
+     * 1. If the font maps the variation_selector, assume it's
+     *    supported,
+     * 2. If the font doesn't map it, still say it's supported,
+     *    but return 0.  This way, the caller will see the zero
+     *    and reject.  If we return unsupported here, then the
+     *    variation selector will be hidden and ignored.
+     */
+    if (FcCharSetHasChar (cs, unicode) &&
+	FcCharSetHasChar (cs, variation_selector))
+    {
+      unsigned int var_num = 0;
+      if (variation_selector - 0xFE00u < 16)
+        var_num = variation_selector - 0xFE00 + 1;
+      else if (variation_selector - 0xE0100u < (256 - 16))
+        var_num = variation_selector - 0xE0100 + 17;
+      *glyph = (var_num << 21) | unicode;
+    }
+    else
+    {
+      *glyph = 0;
+    }
+    return true;
+  }
+
+  *glyph = FcCharSetHasChar (cs, unicode) ? unicode : 0;
+  return *glyph != 0;
+}
+
+static hb_font_funcs_t *
+_hb_fc_get_font_funcs (void)
+{
+  static const hb_font_funcs_t *fc_ffuncs;
+
+  const hb_font_funcs_t *ffuncs;
+
+  if (!(ffuncs = fc_ffuncs))
+  {
+    hb_font_funcs_t *newfuncs = hb_font_funcs_create ();
+
+    hb_font_funcs_set_glyph_func (newfuncs, hb_fc_get_glyph, NULL, NULL);
+
+    /* XXX MT-unsafe */
+    if (fc_ffuncs)
+      hb_font_funcs_destroy (newfuncs);
+    else
+      fc_ffuncs = ffuncs = newfuncs;
+  }
+
+  return const_cast<hb_font_funcs_t *> (fc_ffuncs);
+}
+
+
+hb_font_t *
+hb_fc_font_create (FcPattern *fcfont)
+{
+  static hb_face_t *face;
+  hb_font_t *font;
+
+  FcCharSet *cs;
+  if (FcResultMatch != FcPatternGetCharSet (fcfont, FC_CHARSET, 0, &cs))
+    return hb_font_get_empty ();
+
+  if (!face) /* XXX MT-unsafe */
+    face = hb_face_create (hb_blob_get_empty (), 0);
+
+  font = hb_font_create (face);
+
+  hb_font_set_funcs (font,
+		     _hb_fc_get_font_funcs (),
+		     FcCharSetCopy (cs),
+		     (hb_destroy_func_t) FcCharSetDestroy);
+
+  return font;
+}
+
+hb_bool_t
+hb_fc_can_render (hb_font_t *font, const char *text)
+{
+  static const char *ot[] = {"ot", NULL};
+
+  hb_buffer_t *buffer = hb_buffer_create ();
+  hb_buffer_add_utf8 (buffer, text, -1, 0, -1);
+
+  /* XXX Do we need this?  I think Arabic and Hangul shapers are the
+   * only one that make any use of this.  The Hangul case is not really
+   * needed, and for Arabic we'll miss a very narrow set of fonts.
+   * Might be better to force generic shaper perhaps. */
+  hb_buffer_guess_segment_properties (buffer);
+
+  if (!hb_shape_full (font, buffer, NULL, 0, ot))
+    abort (); /* hb-ot shaper not enabled? */
+
+  unsigned int len;
+  hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &len);
+  for (unsigned int i = 0; i < len; i++)
+   {
+    if (!info[i].codepoint)
+     {
+      return false;
+     }
+   }
+
+  return true;
+}

util/hb-fc.h

+/*
+ * Copyright © 2014  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_FC_H
+#define HB_FC_H
+
+#include "hb.h"
+
+#include <fontconfig/fontconfig.h>
+
+HB_BEGIN_DECLS
+
+
+hb_font_t *
+hb_fc_font_create (FcPattern *font);
+
+hb_bool_t
+hb_fc_can_render (hb_font_t *font, const char *text);
+
+
+HB_END_DECLS
+
+#endif /* HB_FC_H */