walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge branch 'hb-fc'

This commit is contained in:
Behdad Esfahbod 2015-04-10 12:21:04 -07:00
parent 125cb08345 fe97b65a54
commit 1086f21e54
10 changed files with 481 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
configure.ac
View File

@ -235,6 +235,24 @@ AM_CONDITIONAL(HAVE_CAIRO_FT, $have_cairo_ft)
dnl ========================================================================== dnl ==========================================================================
AC_ARG_WITH(fontconfig,
[AS_HELP_STRING([--with-fontconfig=@<:@yes/no/auto@:>@],
[Use fontconfig @<:@default=auto@:>@])],,
[with_fontconfig=auto])
have_fontconfig=false
if test "x$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, AC_ARG_WITH(icu,
[AS_HELP_STRING([--with-icu=@<:@yes/no/auto@:>@], [AS_HELP_STRING([--with-icu=@<:@yes/no/auto@:>@],
[Use ICU @<:@default=auto@:>@])],, [Use ICU @<:@default=auto@:>@])],,
@ -438,6 +456,7 @@ Font callbacks (the more the better):
Tools used for command-line utilities: Tools used for command-line utilities:
Cairo: ${have_cairo} Cairo: ${have_cairo}
Fontconfig: ${have_fontconfig}
Additional shapers (the more the better): Additional shapers (the more the better):
Graphite2: ${have_graphite2} Graphite2: ${have_graphite2}

4
src/hb-face.cc
View File

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

4
src/hb-font.cc
View File

@ -854,8 +854,6 @@ hb_font_create (hb_face_t *face)
if (unlikely (!face)) if (unlikely (!face))
face = hb_face_get_empty (); 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> ())) if (!(font = hb_object_create<hb_font_t> ()))
return hb_font_get_empty (); return hb_font_get_empty ();
@ -880,7 +878,7 @@ hb_font_t *
hb_font_create_sub_font (hb_font_t *parent) hb_font_create_sub_font (hb_font_t *parent)
{ {
if (unlikely (!parent)) if (unlikely (!parent))
return hb_font_get_empty (); parent = hb_font_get_empty ();
hb_font_t *font = hb_font_create (parent->face); hb_font_t *font = hb_font_create (parent->face);

7
src/hb-shape-plan.cc
View File

@ -126,7 +126,7 @@ hb_shape_plan_create (hb_face_t *face,
if (unlikely (!face)) if (unlikely (!face))
face = hb_face_get_empty (); face = hb_face_get_empty ();
if (unlikely (!props || hb_object_is_inert (face))) if (unlikely (!props))
return hb_shape_plan_get_empty (); return hb_shape_plan_get_empty ();
if (num_user_features && !(features = (hb_feature_t *) malloc (num_user_features * sizeof (hb_feature_t)))) if (num_user_features && !(features = (hb_feature_t *) malloc (num_user_features * sizeof (hb_feature_t))))
return hb_shape_plan_get_empty (); return hb_shape_plan_get_empty ();
@ -294,7 +294,6 @@ hb_shape_plan_execute (hb_shape_plan_t *shape_plan,
shape_plan->shaper_func); shape_plan->shaper_func);
if (unlikely (hb_object_is_inert (shape_plan) || if (unlikely (hb_object_is_inert (shape_plan) ||
hb_object_is_inert (font) ||
hb_object_is_inert (buffer))) hb_object_is_inert (buffer)))
return false; 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); 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 */ /* 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)) if (hb_non_global_user_features_present (user_features, num_user_features))

10
test/api/test-font.c
View File

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

34
test/api/test-object.c
View File

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

15
util/Makefile.am
View File

@ -76,4 +76,19 @@ endif # HAVE_OT
endif # HAVE_GLIB 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 -include $(top_srcdir)/git.mk

222
util/hb-fc-list.c Normal file
View File

@ -0,0 +1,222 @@
/*
* 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;
}

149
util/hb-fc.cc Normal file
View File

@ -0,0 +1,149 @@
/*
* 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;
}

46
util/hb-fc.h Normal file
View File

@ -0,0 +1,46 @@
/*
* 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 */