[HarfBuzz] harfbuzz-ng: Branch 'master' - 9 commits
Behdad Esfahbod
behdad at kemper.freedesktop.org
Wed Aug 24 10:36:58 PDT 2011
configure.ac | 8
contrib/python/lib/harfbuzz.pyx | 20 --
contrib/python/runpy | 2
contrib/python/scripts/hbtestfont | 4
contrib/python/setup.py | 18 +
src/Makefile.am | 22 +-
src/hb-gobject-enums.cc.tmpl | 2
src/hb-graphite2.cc | 343 ++++++++++++++++++++++++++++++++++++++
src/hb-graphite2.h | 45 ++++
src/hb-ot-hmtx-table.hh | 86 +++++++++
src/hb-shape.cc | 6
src/hb-uniscribe.cc | 21 +-
12 files changed, 542 insertions(+), 35 deletions(-)
New commits:
commit 74ef81a0b0f9adddfb42c3cb87f08f8156054519
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 19:16:13 2011 +0200
Fix make distcheck
diff --git a/src/Makefile.am b/src/Makefile.am
index 95980a2..4170663 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -28,6 +28,8 @@ HBSOURCES = \
hb-open-file-private.hh \
hb-open-type-private.hh \
hb-ot-head-table.hh \
+ hb-ot-hhea-table.hh \
+ hb-ot-hmtx-table.hh \
hb-ot-maxp-table.hh \
hb-ot-name-table.hh \
hb-ot-tag.cc \
@@ -48,10 +50,6 @@ HBHEADERS = \
hb-version.h \
$(NULL)
-MAINTAINERCLEANFILES += \
- $(srcdir)/hb-version.h \
- $(NULL)
-
if HAVE_OT
HBSOURCES += \
hb-ot-layout.cc \
@@ -92,14 +90,16 @@ endif
if HAVE_GOBJECT
HBCFLAGS += $(GOBJECT_CFLAGS)
HBLIBS += $(GOBJECT_LIBS)
-HBSOURCES += hb-gobject-structs.cc hb-gobject-enums.cc
+HBSOURCES += hb-gobject-structs.cc
+nodist_HBSOURCES = hb-gobject-enums.cc
HBHEADERS += hb-gobject.h
BUILT_SOURCES += hb-gobject-enums.cc
EXTRA_DIST += hb-gobject-enums.cc.tmpl
+DISTCLEANFILES += hb-gobject-enums.cc
hb-gobject-enums.cc: hb-gobject-enums.cc.tmpl $(HBHEADERS)
- $(AM_V_GEN) ( cd $(srcdir) && $(GLIB_MKENUMS) --template $^ ) > \
- "$@.tmp" && mv "$@.tmp" "$@" || ( $(RM) "@.tmp" && false )
+ $(AM_V_GEN) $(GLIB_MKENUMS) --template $^ > "$@.tmp" && \
+ mv "$@.tmp" "$@" || ( $(RM) "@.tmp" && false )
endif
if HAVE_ICU
@@ -132,6 +132,7 @@ endif
CXXLINK = $(LINK)
libharfbuzz_la_SOURCES = $(HBSOURCES) $(HBHEADERS)
+nodist_libharfbuzz_la_SOURCES = $(nodist_HBSOURCES)
libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
libharfbuzz_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(HB_LIBTOOL_VERSION_INFO) -no-undefined
libharfbuzz_la_LIBADD = $(HBLIBS)
diff --git a/src/hb-gobject-enums.cc.tmpl b/src/hb-gobject-enums.cc.tmpl
index 688dfff..05abd89 100644
--- a/src/hb-gobject-enums.cc.tmpl
+++ b/src/hb-gobject-enums.cc.tmpl
@@ -45,7 +45,7 @@
/*** END file-production ***/
/*** BEGIN value-header ***/
-/* inline static -----> disable these for now... */
+inline static /* TODO(behdad) disable these for now until we fix them... */
GType
@enum_name at _get_type (void)
{
commit 24bcdbcc0639ca9e9c0fde1a71cbbf1c3d2ef98d
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 19:13:15 2011 +0200
Add hb-ot-hmtx-table.hh
Oops!
diff --git a/src/hb-ot-hmtx-table.hh b/src/hb-ot-hmtx-table.hh
new file mode 100644
index 0000000..b58799c
--- /dev/null
+++ b/src/hb-ot-hmtx-table.hh
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2011 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_OT_HMTX_TABLE_HH
+#define HB_OT_HMTX_TABLE_HH
+
+#include "hb-open-type-private.hh"
+
+
+
+/*
+ * hmtx -- The Horizontal Metrics Table
+ */
+
+#define HB_OT_TAG_hmtx HB_TAG('h','m','t','x')
+
+
+struct LongHorMetric
+{
+ USHORT advanceWidth;
+ SHORT lsb;
+ public:
+ DEFINE_SIZE_STATIC (4);
+};
+
+struct hmtx
+{
+ static const hb_tag_t Tag = HB_OT_TAG_hmtx;
+
+ inline bool sanitize (hb_sanitize_context_t *c) {
+ TRACE_SANITIZE ();
+ /* We don't check for anything specific here. The users of the
+ * struct do all the hard work... */
+ return true;
+ }
+
+ private:
+ LongHorMetric longHorMetric[VAR]; /* Paired advance width and left side
+ * bearing values for each glyph. The
+ * value numOfHMetrics comes from
+ * the 'hhea' table. If the font is
+ * monospaced, only one entry need
+ * be in the array, but that entry is
+ * required. The last entry applies to
+ * all subsequent glyphs. */
+ SHORT leftSideBearingX[VAR]; /* Here the advanceWidth is assumed
+ * to be the same as the advanceWidth
+ * for the last entry above. The
+ * number of entries in this array is
+ * derived from numGlyphs (from 'maxp'
+ * table) minus numberOfHMetrics. This
+ * generally is used with a run of
+ * monospaced glyphs (e.g., Kanji
+ * fonts or Courier fonts). Only one
+ * run is allowed and it must be at
+ * the end. This allows a monospaced
+ * font to vary the left side bearing
+ * values for each glyph. */
+ public:
+ DEFINE_SIZE_ARRAY2 (0, longHorMetric, leftSideBearingX);
+};
+
+#endif /* HB_OT_HMTX_TABLE_HH */
commit a3bd8a0e1862212a2d4141b973039bd000a3054f
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 03:22:49 2011 +0200
[graphite] Rewrite properly
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 9282892..df97175 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -1,6 +1,7 @@
/*
- * Copyright (C) 2011 Martin Hosken
- * Copyright (C) 2011 SIL International
+ * Copyright © 2011 Martin Hosken
+ * Copyright © 2011 SIL International
+ * Copyright © 2011 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
@@ -21,6 +22,8 @@
* 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 "hb-private.hh"
@@ -35,400 +38,306 @@
#include <graphite2/Segment.h>
-typedef struct hbgr_tablelist_t {
- hb_blob_t *blob;
- struct hbgr_tablelist_t *next;
- unsigned int tag;
-} hbgr_tablelist_t;
-
-typedef struct hbgr_face_t {
- gr_face *grface;
- hbgr_tablelist_t *tlist;
- hb_destroy_func_t destroy;
- hb_reference_table_func_t get_table;
- hb_face_t *face;
- void *data;
-} hbgr_face_t;
-
-typedef struct hbgr_font_t {
- gr_font *grfont;
- hb_face_t *face;
- hb_font_t *font;
- hb_destroy_func_t destroy;
- hb_font_funcs_t *klass;
- void *data;
-} hbgr_font_t;
-
-typedef struct hbgr_cluster_t {
- unsigned int base_char;
- unsigned int num_chars;
- unsigned int base_glyph;
- unsigned int num_glyphs;
-} hbgr_cluster_t;
-
-static const void *hbgr_get_table(const void *face, unsigned int tag, size_t *len);
-static float hbgr_get_advance(const void *font, unsigned short gid);
-static void hbgr_face_destroy(void *data);
-static hb_blob_t *hbgr_face_get_table(hb_face_t *face, hb_tag_t tag, void *data);
-static void hbgr_font_destroy(void *data);
-/* static hb_codepoint_t hbgr_font_get_glyph (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t unicode, hb_codepoint_t variation_selector);
-static void hbgr_font_get_glyph_advance (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t glyph, hb_position_t *x_advance, hb_position_t *y_advance);
-static void hbgr_font_get_glyph_extents (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t glyph, hb_glyph_extents_t *extents);
-static hb_bool_t hbgr_font_get_contour_point (hb_font_t *font, hb_face_t *face, const void *user_data, unsigned int point_index, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y);
-static hb_position_t hbgr_font_get_kerning (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t first_glyph, hb_codepoint_t second_glyph);
-*/
-
-static const void *hbgr_get_table(const void *data, unsigned int tag, size_t *len)
-{
- const void *res;
- hbgr_tablelist_t *pl, *p;
- hbgr_face_t *face = (hbgr_face_t *)data;
- hbgr_tablelist_t *tlist = face->tlist;
-
- for (p = tlist; p; p = p->next)
- if (p->tag == tag)
- return hb_blob_get_data(p->blob, (unsigned int *)len);
- else
- pl = p;
-
- hb_blob_t *blob = face->get_table(face->face, tag, face->data);
- if (pl->blob)
- {
- p = (hbgr_tablelist_t *)malloc(sizeof(hbgr_tablelist_t));
- if (!p)
- {
- hb_blob_destroy(blob);
- return NULL;
- }
- p->next = NULL;
- pl->next = p;
- pl = p;
- }
- pl->blob = blob;
- pl->tag = tag;
- return hb_blob_get_data(blob, (unsigned int *)len);
-}
+struct hb_gr_cluster_t {
+ unsigned int base_char;
+ unsigned int num_chars;
+ unsigned int base_glyph;
+ unsigned int num_glyphs;
+};
-static float hbgr_get_advance(const void *dat, unsigned short gid)
-{
- hbgr_font_t *font = (hbgr_font_t *)dat;
- return (float)(font->klass->get.glyph_h_advance(font->font, font->data, gid, font->klass->user_data.glyph_h_advance));
-}
-static void hbgr_face_destroy(void *data)
-{
- hbgr_face_t *fcomp = (hbgr_face_t *)data;
- hbgr_tablelist_t *tlist = fcomp->tlist;
- while (tlist)
- {
- hbgr_tablelist_t *old = tlist;
- hb_blob_destroy(tlist->blob);
- tlist = tlist->next;
- free(old);
- }
- fcomp->destroy(fcomp->data);
- gr_face_destroy(fcomp->grface);
-}
+typedef struct hb_gr_tablelist_t {
+ hb_blob_t *blob;
+ struct hb_gr_tablelist_t *next;
+ unsigned int tag;
+} hb_gr_tablelist_t;
-static hb_blob_t *hbgr_face_get_table(hb_face_t *face, hb_tag_t tag, void *data)
-{
- hbgr_face_t *fcomp = (hbgr_face_t *)data;
- return fcomp->get_table(fcomp->face, tag, fcomp->data);
-}
+static struct hb_gr_face_data_t {
+ hb_face_t *face;
+ gr_face *grface;
+ hb_gr_tablelist_t *tlist;
+} _hb_gr_face_data_nil = {NULL, NULL};
-static void hbgr_font_destroy(void *data)
-{
- hbgr_font_t *fcomp = (hbgr_font_t *)data;
- fcomp->destroy(fcomp->data);
- gr_font_destroy(fcomp->grfont);
-}
+static struct hb_gr_font_data_t {
+ hb_font_t *font;
+ gr_font *grfont;
+ gr_face *grface;
+} _hb_gr_font_data_nil = {NULL, NULL, NULL};
-static hb_bool_t hbgr_font_get_glyph (hb_font_t *font,
- void *font_data,
- hb_codepoint_t unicode,
- hb_codepoint_t variation_selector,
- hb_codepoint_t *glyph,
- void *user_data)
-{
- return ((hbgr_font_t *)font)->klass->get.glyph(((hbgr_font_t *)font)->font, font_data, unicode, variation_selector, glyph, user_data);
-}
-static hb_bool_t hbgr_font_get_glyph_h_advance (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- void *user_data)
+static const void *hb_gr_get_table (const void *data, unsigned int tag, size_t *len)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_h_advance(((hbgr_font_t *)font)->font, font_data, glyph, user_data);
+ hb_gr_tablelist_t *pl = NULL, *p;
+ hb_gr_face_data_t *face = (hb_gr_face_data_t *) data;
+ hb_gr_tablelist_t *tlist = face->tlist;
+
+ for (p = tlist; p; p = p->next)
+ if (p->tag == tag ) {
+ unsigned int tlen;
+ const char *d = hb_blob_get_data (p->blob, &tlen);
+ *len = tlen;
+ return d;
+ } else
+ pl = p;
+
+ if (!face->face)
+ return NULL;
+ hb_blob_t *blob = hb_face_reference_table (face->face, tag);
+
+ if (!pl || pl->blob)
+ {
+ p = (hb_gr_tablelist_t *) malloc (sizeof (hb_gr_tablelist_t));
+ if (!p) {
+ hb_blob_destroy(blob);
+ return NULL;
+ }
+ p->next = NULL;
+ if (pl)
+ pl->next = p;
+ else
+ face->tlist = p;
+ pl = p;
+ }
+ pl->blob = blob;
+ pl->tag = tag;
+
+ unsigned int tlen;
+ const char *d = hb_blob_get_data (blob, &tlen);
+ *len = tlen;
+ return d;
}
-static hb_position_t hbgr_font_get_glyph_v_advance (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- void *user_data)
+static float hb_gr_get_advance (const void *data, unsigned short gid)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_v_advance(((hbgr_font_t *)font)->font, font_data, glyph, user_data);
+ hb_gr_font_data_t *font = (hb_gr_font_data_t *) data;
+ if (!font->font)
+ return 0;
+ return (float) hb_font_get_glyph_h_advance (font->font, gid);
}
-static hb_bool_t hbgr_font_get_glyph_h_origin (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data)
+static void _hb_gr_face_data_destroy (void *data)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_h_origin(((hbgr_font_t *)font)->font, font_data, glyph, x, y, user_data);
+ hb_gr_face_data_t *f = (hb_gr_face_data_t *) data;
+ hb_gr_tablelist_t *tlist = f->tlist;
+ while (tlist)
+ {
+ hb_gr_tablelist_t *old = tlist;
+ hb_blob_destroy (tlist->blob);
+ tlist = tlist->next;
+ free(old);
+ }
+ gr_face_destroy (f->grface);
}
-static hb_bool_t hbgr_font_get_glyph_v_origin (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data)
+static void _hb_gr_font_data_destroy (void *data)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_v_origin(((hbgr_font_t *)font)->font, font_data, glyph, x, y, user_data);
-}
+ hb_gr_font_data_t *f = (hb_gr_font_data_t *) data;
-static hb_position_t hbgr_font_get_glyph_h_kerning (hb_font_t *font,
- void *font_data,
- hb_codepoint_t first_glyph,
- hb_codepoint_t second_glyph,
- void *user_data)
-{
- return ((hbgr_font_t *)font)->klass->get.glyph_h_kerning(((hbgr_font_t *)font)->font, font_data, first_glyph, second_glyph, user_data);
+ gr_font_destroy (f->grfont);
}
-static hb_position_t hbgr_font_get_glyph_v_kerning (hb_font_t *font,
- void *font_data,
- hb_codepoint_t first_glyph,
- hb_codepoint_t second_glyph,
- void *user_data)
-{
- return ((hbgr_font_t *)font)->klass->get.glyph_v_kerning(((hbgr_font_t *)font)->font, font_data, first_glyph, second_glyph, user_data);
-}
+static hb_user_data_key_t hb_gr_data_key;
-static hb_bool_t hbgr_font_get_glyph_extents (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- hb_glyph_extents_t *extents,
- void *user_data)
+static hb_gr_face_data_t *
+_hb_gr_face_get_data (hb_face_t *face)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_extents(((hbgr_font_t *)font)->font, font_data, glyph, extents, user_data);
+ hb_gr_face_data_t *data = (hb_gr_face_data_t *) hb_face_get_user_data (face, &hb_gr_data_key);
+ if (likely (data)) return data;
+
+ data = (hb_gr_face_data_t *) calloc (1, sizeof (hb_gr_face_data_t));
+ if (unlikely (!data))
+ return &_hb_gr_face_data_nil;
+
+
+ hb_blob_t *silf_blob = hb_face_reference_table (face, HB_GRAPHITE_TAG_Silf);
+ if (!hb_blob_get_length(silf_blob))
+ {
+ hb_blob_destroy(silf_blob);
+ return &_hb_gr_face_data_nil;
+ }
+
+ data->face = face;
+ data->grface = gr_make_face (data, &hb_gr_get_table, gr_face_preloadGlyphs);
+
+
+ if (unlikely (!hb_face_set_user_data (face, &hb_gr_data_key, data,
+ (hb_destroy_func_t) _hb_gr_face_data_destroy,
+ FALSE)))
+ {
+ _hb_gr_face_data_destroy (data);
+ data = (hb_gr_face_data_t *) hb_face_get_user_data (face, &hb_gr_data_key);
+ if (data)
+ return data;
+ else
+ return &_hb_gr_face_data_nil;
+ }
+
+ return data;
}
-static hb_bool_t hbgr_font_get_glyph_contour_point (hb_font_t *font,
- void *font_data,
- hb_codepoint_t glyph,
- unsigned int point_index,
- hb_position_t *x,
- hb_position_t *y,
- void *user_data)
+static hb_gr_font_data_t *
+_hb_gr_font_get_data (hb_font_t *font)
{
- return ((hbgr_font_t *)font)->klass->get.glyph_contour_point(((hbgr_font_t *)font)->font, font_data, glyph, point_index, x, y, user_data);
+ hb_gr_font_data_t *data = (hb_gr_font_data_t *) hb_font_get_user_data (font, &hb_gr_data_key);
+ if (likely (data)) return data;
+
+ data = (hb_gr_font_data_t *) calloc (1, sizeof (hb_gr_font_data_t));
+ if (unlikely (!data))
+ return &_hb_gr_font_data_nil;
+
+
+ hb_blob_t *silf_blob = hb_face_reference_table (font->face, HB_GRAPHITE_TAG_Silf);
+ if (!hb_blob_get_length (silf_blob))
+ {
+ hb_blob_destroy(silf_blob);
+ return &_hb_gr_font_data_nil;
+ }
+
+ data->font = font;
+ data->grface = _hb_gr_face_get_data (font->face)->grface;
+ int scale;
+ hb_font_get_scale (font, &scale, NULL);
+ data->grfont = gr_make_font_with_advance_fn (scale, data, &hb_gr_get_advance, data->grface);
+
+
+ if (unlikely (!hb_font_set_user_data (font, &hb_gr_data_key, data,
+ (hb_destroy_func_t) _hb_gr_font_data_destroy,
+ FALSE)))
+ {
+ _hb_gr_font_data_destroy (data);
+ data = (hb_gr_font_data_t *) hb_font_get_user_data (font, &hb_gr_data_key);
+ if (data)
+ return data;
+ else
+ return &_hb_gr_font_data_nil;
+ }
+
+ return data;
}
-hb_font_funcs_t hbgr_klass = {
- HB_OBJECT_HEADER_STATIC,
- TRUE,
- {
- hbgr_font_get_glyph,
- hbgr_font_get_glyph_h_advance,
- hbgr_font_get_glyph_v_advance,
- hbgr_font_get_glyph_h_origin,
- hbgr_font_get_glyph_v_origin,
- hbgr_font_get_glyph_h_kerning,
- hbgr_font_get_glyph_v_kerning,
- hbgr_font_get_glyph_extents,
- hbgr_font_get_glyph_contour_point
- }
-};
-// returns 0 = success, 1 = fallback
-static int hbgr_make_fonts(hb_font_t *font, hb_face_t *face)
+hb_bool_t
+hb_graphite_shape (hb_font_t *font,
+ hb_buffer_t *buffer,
+ const hb_feature_t *features,
+ unsigned int num_features,
+ const char * const *shaper_options)
{
- // check face for having already added gr_face (based on destroy fn)
- if (face->destroy != &hbgr_face_destroy)
- {
- hb_blob_t *silf_blob;
- silf_blob = hb_face_reference_table (font->face, HB_GRAPHITE_TAG_Silf);
- if (!hb_blob_get_length(silf_blob)) // return as early as possible if no Silf table
- {
- hb_blob_destroy(silf_blob);
- return 1;
- }
- hbgr_tablelist_t *flist = (hbgr_tablelist_t *)malloc(sizeof(hbgr_tablelist_t));
- hbgr_face_t *fcomp = (hbgr_face_t *)malloc(sizeof(hbgr_face_t));
- if (!flist || !fcomp) return 1;
- flist->next = NULL;
- flist->tag = 0;
- flist->blob = NULL;
- fcomp->tlist = flist;
- fcomp->get_table = face->reference_table;
- fcomp->destroy = face->destroy;
- fcomp->data = face->user_data;
- fcomp->grface = gr_make_face(fcomp, &hbgr_get_table, gr_face_preloadGlyphs);
- if (fcomp->grface)
- {
- face->user_data = fcomp;
- face->reference_table = &hbgr_face_get_table;
- face->destroy = &hbgr_face_destroy;
- }
- else
- {
- free(flist);
- free(fcomp);
- return 1;
- }
- }
- // check font for having already added gr_font (based on destroy fn)
- if (font->destroy != &hbgr_font_destroy)
+ buffer->guess_properties ();
+
+ hb_gr_font_data_t *data = _hb_gr_font_get_data (font);
+
+ unsigned int charlen;
+ hb_glyph_info_t *bufferi = hb_buffer_get_glyph_infos (buffer, &charlen);
+
+ int success = 0;
+
+ if (!charlen) return TRUE;
+
+ /* XXX(behdad): Do we need OT lang tag here? */
+ const char *lang = hb_language_to_string (hb_buffer_get_language (buffer));
+ gr_feature_val *feats = gr_face_featureval_for_lang (data->grface, lang ? hb_tag_from_string (lang) : 0);
+
+ while (num_features--)
+ {
+ const gr_feature_ref *fref = gr_face_find_fref (data->grface, features->tag);
+ if (fref)
+ gr_fref_set_feature_value (fref, features->value, feats);
+ features++;
+ }
+
+ unsigned short *gids = NULL;
+ hb_gr_cluster_t *clusters = NULL;
+ gr_segment *seg = NULL;
+ uint32_t *text = NULL;
+ unsigned short *pg;
+ const gr_slot *is;
+ unsigned int ci = 0, ic = 0;
+ float curradvx = 0., curradvy = 0.;
+ unsigned int glyphlen = 0;
+ unsigned int *p;
+
+ text = (uint32_t *) malloc ((charlen + 1) * sizeof (uint32_t));
+ if (!text) goto dieout;
+
+ p = text;
+ for (unsigned int i = 0; i < charlen; ++i)
+ *p++ = bufferi++->codepoint;
+ *p = 0;
+
+ hb_tag_t script_tag[2];
+ hb_ot_tags_from_script (hb_buffer_get_script(buffer), &script_tag[0], &script_tag[1]);
+
+ seg = gr_make_seg (data->grfont, data->grface,
+ script_tag[1] == HB_TAG_NONE ? script_tag[0] : script_tag[1],
+ feats,
+ gr_utf32, text, charlen,
+ 2 | (hb_buffer_get_direction(buffer) == HB_DIRECTION_RTL ? 1 : 0));
+ if (!seg) goto dieout;
+
+ glyphlen = gr_seg_n_slots (seg);
+ clusters = (hb_gr_cluster_t *) calloc (charlen, sizeof (hb_gr_cluster_t));
+ if (!glyphlen || !clusters) goto dieout;
+
+ gids = (unsigned short *) malloc (glyphlen * sizeof (unsigned short));
+ if (!gids) goto dieout;
+
+ pg = gids;
+ for (is = gr_seg_first_slot (seg), ic = 0; is; is = gr_slot_next_in_segment (is), ic++)
+ {
+ unsigned int before = gr_slot_before (is);
+ unsigned int after = gr_slot_after (is);
+ *pg = gr_slot_gid (is);
+ *pg = hb_be_uint16 (*pg); // XXX insane: swap bytes so be16 can swap them back
+ pg++;
+ while (clusters[ci].base_char > before && ci)
{
- hbgr_font_t *fcomp = (hbgr_font_t *)malloc(sizeof(hbgr_font_t));
- if (fcomp)
- {
- int scale;
- gr_face *grface = ((hbgr_face_t *)(face->user_data))->grface;
- hb_font_get_scale(font, &scale, NULL);
- fcomp->face = face;
- fcomp->font = font;
- fcomp->destroy = font->destroy;
- fcomp->klass = font->klass;
- fcomp->data = font->user_data;
- fcomp->grfont = gr_make_font_with_advance_fn(scale, fcomp, &hbgr_get_advance, grface);
- if (fcomp->grfont)
- {
- font->destroy = &hbgr_font_destroy;
- font->klass = &hbgr_klass;
- font->user_data = fcomp;
- return 0;
- }
- }
- // something went wrong, back out of the whole thing
- hbgr_face_t *facecomp = (hbgr_face_t *)(face->user_data);
- free(facecomp->tlist);
- face->reference_table = facecomp->get_table;
- face->destroy = facecomp->destroy;
- face->user_data = facecomp->data;
- free(facecomp);
- if (fcomp) free(fcomp);
- return 1;
- // create gr_font and put into struct along with stuff in font
- // replace font component with struct and fns
+ clusters[ci-1].num_chars += clusters[ci].num_chars;
+ clusters[ci-1].num_glyphs += clusters[ci].num_glyphs;
+ --ci;
}
- return 0;
-}
-
-hb_bool_t hb_graphite_shape (hb_font_t *font,
- hb_buffer_t *buffer,
- const hb_feature_t *features,
- unsigned int num_features,
- const char * const *shaper_options)
-{
- hb_face_t *face = font->face;
- gr_face *grface = NULL;
- gr_font *grfont = NULL;
- gr_segment *seg = NULL;
- unsigned int *text = NULL;
- hbgr_cluster_t *clusters = NULL;
- unsigned short *gids = NULL;
- unsigned int charlen;
- hb_glyph_info_t *bufferi = hb_buffer_get_glyph_infos(buffer, &charlen);
-
- int success = 0;
- unsigned int *p;
- const gr_slot *is;
- unsigned int glyphlen;
- unsigned short *pg;
- unsigned int ci = 0, ic = 0;
- float curradvx = 0., curradvy = 0.;
-
- if (!charlen || hbgr_make_fonts(font, face)) return 0;
- grface = ((hbgr_face_t *)face->user_data)->grface;
- grfont = ((hbgr_font_t *)font->user_data)->grfont;
-
- const char *lang = hb_language_to_string(hb_buffer_get_language(buffer));
- gr_feature_val *feats = gr_face_featureval_for_lang(grface, lang ? hb_tag_from_string(lang) : 0);
-
- while (num_features--)
- {
- const gr_feature_ref *fref = gr_face_find_fref(grface, features->tag);
- if (fref)
- gr_fref_set_feature_value(fref, features->value, feats);
- features++;
- }
- text = (unsigned int *)malloc((charlen + 1) * sizeof(unsigned int));
- if (!text) goto dieout;
- p = text;
- for (unsigned int i = 0; i < charlen; ++i)
- *p++ = bufferi++->codepoint;
- *p = 0;
-
- hb_tag_t script_tag_1, script_tag_2;
- hb_ot_tags_from_script(hb_buffer_get_script(buffer), &script_tag_1, &script_tag_2);
- seg = gr_make_seg(grfont, grface, script_tag_2 == HB_TAG_NONE ? script_tag_1 : script_tag_2,
- feats, gr_utf32, text, charlen, hb_buffer_get_direction(buffer) == HB_DIRECTION_RTL ? 3 : 0);
- if (!seg) goto dieout;
- glyphlen = gr_seg_n_slots(seg);
- clusters = (hbgr_cluster_t *)malloc(charlen * sizeof(hbgr_cluster_t));
- if (!glyphlen || !clusters) goto dieout;
- memset(clusters, 0, charlen * sizeof(hbgr_cluster_t));
- gids = (unsigned short *)malloc(glyphlen * sizeof(unsigned short));
- if (!gids) goto dieout;
- pg = gids;
- for (is = gr_seg_first_slot(seg), ic = 0; is; is = gr_slot_next_in_segment(is), ic++)
- {
- unsigned int before = gr_slot_before(is);
- unsigned int after = gr_slot_after(is);
- *pg = gr_slot_gid(is);
- *pg++ = hb_be_uint16(*pg); // insane: swap bytes so be16 can swap them back
- while (clusters[ci].base_char > before && ci)
- {
- clusters[ci-1].num_chars += clusters[ci].num_chars;
- clusters[ci-1].num_glyphs += clusters[ci].num_glyphs;
- --ci;
- }
-
- if (gr_slot_can_insert_before(is) && clusters[ci].num_chars && before >= clusters[ci].base_char + clusters[ci].num_chars)
- {
- hbgr_cluster_t *c = clusters + ci + 1;
- c->base_char = clusters[ci].base_char + clusters[ci].num_chars;
- c->num_chars = before - c->base_char;
- c->base_glyph = ic;
- c->num_glyphs = 0;
- ++ci;
- }
- ++clusters[ci].num_glyphs;
-
- if (clusters[ci].base_char + clusters[ci].num_chars < after + 1)
- clusters[ci].num_chars = after + 1 - clusters[ci].base_char;
- }
-
- buffer->clear_output();
- for (unsigned int i = 0; i <= ci; ++i)
- buffer->replace_glyphs_be16(clusters[i].num_chars, clusters[i].num_glyphs, gids + clusters[i].base_glyph);
- buffer->swap_buffers();
- hb_glyph_position_t *pPos;
- for (pPos = hb_buffer_get_glyph_positions(buffer, NULL), is = gr_seg_first_slot(seg);
- is; pPos++, is = gr_slot_next_in_segment(is))
+ if (gr_slot_can_insert_before (is) && clusters[ci].num_chars && before >= clusters[ci].base_char + clusters[ci].num_chars)
{
- pPos->x_offset = gr_slot_origin_X(is) - curradvx;
- pPos->y_offset = gr_slot_origin_Y(is) - curradvy;
- pPos->x_advance = gr_slot_advance_X(is, grface, grfont);
- pPos->y_advance = gr_slot_advance_Y(is, grface, grfont);
-// if (pPos->x_advance < 0 && gr_slot_attached_to(is))
-// pPos->x_advance = 0;
- curradvx += pPos->x_advance;
- curradvy += pPos->y_advance;
+ hb_gr_cluster_t *c = clusters + ci + 1;
+ c->base_char = clusters[ci].base_char + clusters[ci].num_chars;
+ c->num_chars = before - c->base_char;
+ c->base_glyph = ic;
+ c->num_glyphs = 0;
+ ++ci;
}
- pPos[-1].x_advance += gr_seg_advance_X(seg) - curradvx;
- success = 1;
+ ++clusters[ci].num_glyphs;
+
+ if (clusters[ci].base_char + clusters[ci].num_chars < after + 1)
+ clusters[ci].num_chars = after + 1 - clusters[ci].base_char;
+ }
+
+ buffer->clear_output();
+ for (unsigned int i = 0; i <= ci; ++i)
+ buffer->replace_glyphs_be16(clusters[i].num_chars, clusters[i].num_glyphs, gids + clusters[i].base_glyph);
+ buffer->swap_buffers();
+
+ hb_glyph_position_t *pPos;
+ for (pPos = hb_buffer_get_glyph_positions(buffer, NULL), is = gr_seg_first_slot(seg);
+ is; pPos++, is = gr_slot_next_in_segment(is))
+ {
+ pPos->x_offset = gr_slot_origin_X(is) - curradvx;
+ pPos->y_offset = gr_slot_origin_Y(is) - curradvy;
+ pPos->x_advance = gr_slot_advance_X(is, data->grface, data->grfont);
+ pPos->y_advance = gr_slot_advance_Y(is, data->grface, data->grfont);
+// if (pPos->x_advance < 0 && gr_slot_attached_to(is))
+// pPos->x_advance = 0;
+ curradvx += pPos->x_advance;
+ curradvy += pPos->y_advance;
+ }
+ pPos[-1].x_advance += gr_seg_advance_X(seg) - curradvx;
+ success = 1;
dieout:
- if (gids) free(gids);
- if (clusters) free(clusters);
- if (seg) gr_seg_destroy(seg);
- if (text) free(text);
- return success;
+ if (gids) free (gids);
+ if (clusters) free (clusters);
+ if (seg) gr_seg_destroy (seg);
+ if (text) free (text);
+ return success;
}
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index a1eabfd..9026bb0 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -117,6 +117,7 @@ _hb_uniscribe_face_get_data (hb_face_t *face)
if (unlikely (!data))
return &_hb_uniscribe_face_data_nil;
+
hb_blob_t *blob = hb_face_reference_blob (face);
unsigned int blob_length;
const char *blob_data = hb_blob_get_data (blob, &blob_length);
@@ -129,6 +130,7 @@ _hb_uniscribe_face_get_data (hb_face_t *face)
if (unlikely (!data->fh))
DEBUG_MSG (UNISCRIBE, face, "Face AddFontMemResourceEx() failed");
+
if (unlikely (!hb_face_set_user_data (face, &hb_uniscribe_data_key, data,
(hb_destroy_func_t) _hb_uniscribe_face_data_destroy,
FALSE)))
commit 5072934c35bddc23d6bcb07a41010da51eb1b090
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 02:24:27 2011 +0200
Minor
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 72b3b0a..a1eabfd 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -92,7 +92,7 @@ populate_log_font (LOGFONTW *lf,
}
-static hb_user_data_key_t uniscribe_data_key;
+static hb_user_data_key_t hb_uniscribe_data_key;
static struct hb_uniscribe_face_data_t {
@@ -110,7 +110,7 @@ _hb_uniscribe_face_data_destroy (hb_uniscribe_face_data_t *data)
static hb_uniscribe_face_data_t *
_hb_uniscribe_face_get_data (hb_face_t *face)
{
- hb_uniscribe_face_data_t *data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_data_key);
+ hb_uniscribe_face_data_t *data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &hb_uniscribe_data_key);
if (likely (data)) return data;
data = (hb_uniscribe_face_data_t *) calloc (1, sizeof (hb_uniscribe_face_data_t));
@@ -129,12 +129,12 @@ _hb_uniscribe_face_get_data (hb_face_t *face)
if (unlikely (!data->fh))
DEBUG_MSG (UNISCRIBE, face, "Face AddFontMemResourceEx() failed");
- if (unlikely (!hb_face_set_user_data (face, &uniscribe_data_key, data,
+ if (unlikely (!hb_face_set_user_data (face, &hb_uniscribe_data_key, data,
(hb_destroy_func_t) _hb_uniscribe_face_data_destroy,
FALSE)))
{
_hb_uniscribe_face_data_destroy (data);
- data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_data_key);
+ data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &hb_uniscribe_data_key);
if (data)
return data;
else
@@ -167,7 +167,7 @@ _hb_uniscribe_font_data_destroy (hb_uniscribe_font_data_t *data)
static hb_uniscribe_font_data_t *
_hb_uniscribe_font_get_data (hb_font_t *font)
{
- hb_uniscribe_font_data_t *data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_data_key);
+ hb_uniscribe_font_data_t *data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &hb_uniscribe_data_key);
if (likely (data)) return data;
data = (hb_uniscribe_font_data_t *) calloc (1, sizeof (hb_uniscribe_font_data_t));
@@ -186,12 +186,12 @@ _hb_uniscribe_font_get_data (hb_font_t *font)
DEBUG_MSG (UNISCRIBE, font, "Font SelectObject() failed");
}
- if (unlikely (!hb_font_set_user_data (font, &uniscribe_data_key, data,
+ if (unlikely (!hb_font_set_user_data (font, &hb_uniscribe_data_key, data,
(hb_destroy_func_t) _hb_uniscribe_font_data_destroy,
FALSE)))
{
_hb_uniscribe_font_data_destroy (data);
- data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_data_key);
+ data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &hb_uniscribe_data_key);
if (data)
return data;
else
commit 46377396accf6b43792ffba553dcd9847608aa86
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 02:12:05 2011 +0200
[configure] Fix graphite bits
diff --git a/configure.ac b/configure.ac
index 1bbe598..2dc9d7d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,14 +134,15 @@ if $have_icu; then
fi
AM_CONDITIONAL(HAVE_ICU, $have_icu)
-AC_ARG_ENABLE(graphite,
- AC_HELP_STRING([--disable-graphite], [build without graphite support]))
+dnl ==========================================================================
PKG_CHECK_MODULES(GRAPHITE, graphite2, have_graphite=true, have_graphite=false)
-if test "x$enable_graphite" != xno -a $have_graphite; then
+if $have_graphite; then
AC_DEFINE(HAVE_GRAPHITE, 1, [Have Graphite library])
fi
-AM_CONDITIONAL(HAVE_GRAPHITE, [test "x$enable_graphite" != xno -a $have_graphite])
+AM_CONDITIONAL(HAVE_GRAPHITE, $have_graphite)
+
+dnl ==========================================================================
PKG_CHECK_MODULES(FREETYPE, freetype2 >= 2.3.8, have_freetype=true, have_freetype=false)
if $have_freetype; then
commit 71388b3ee71c7d3b79f842db7588bd683691797c
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 02:09:04 2011 +0200
[uniscribe] Minor
diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 77b0f00..72b3b0a 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -92,12 +92,13 @@ populate_log_font (LOGFONTW *lf,
}
+static hb_user_data_key_t uniscribe_data_key;
+
+
static struct hb_uniscribe_face_data_t {
HANDLE fh;
} _hb_uniscribe_face_data_nil = {0};
-static hb_user_data_key_t uniscribe_face_data_key;
-
static void
_hb_uniscribe_face_data_destroy (hb_uniscribe_face_data_t *data)
{
@@ -109,7 +110,7 @@ _hb_uniscribe_face_data_destroy (hb_uniscribe_face_data_t *data)
static hb_uniscribe_face_data_t *
_hb_uniscribe_face_get_data (hb_face_t *face)
{
- hb_uniscribe_face_data_t *data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_face_data_key);
+ hb_uniscribe_face_data_t *data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_data_key);
if (likely (data)) return data;
data = (hb_uniscribe_face_data_t *) calloc (1, sizeof (hb_uniscribe_face_data_t));
@@ -128,12 +129,12 @@ _hb_uniscribe_face_get_data (hb_face_t *face)
if (unlikely (!data->fh))
DEBUG_MSG (UNISCRIBE, face, "Face AddFontMemResourceEx() failed");
- if (unlikely (!hb_face_set_user_data (face, &uniscribe_face_data_key, data,
+ if (unlikely (!hb_face_set_user_data (face, &uniscribe_data_key, data,
(hb_destroy_func_t) _hb_uniscribe_face_data_destroy,
FALSE)))
{
_hb_uniscribe_face_data_destroy (data);
- data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_face_data_key);
+ data = (hb_uniscribe_face_data_t *) hb_face_get_user_data (face, &uniscribe_data_key);
if (data)
return data;
else
@@ -151,8 +152,6 @@ static struct hb_uniscribe_font_data_t {
SCRIPT_CACHE script_cache;
} _hb_uniscribe_font_data_nil = {NULL, NULL, NULL};
-static hb_user_data_key_t uniscribe_font_data_key;
-
static void
_hb_uniscribe_font_data_destroy (hb_uniscribe_font_data_t *data)
{
@@ -168,7 +167,7 @@ _hb_uniscribe_font_data_destroy (hb_uniscribe_font_data_t *data)
static hb_uniscribe_font_data_t *
_hb_uniscribe_font_get_data (hb_font_t *font)
{
- hb_uniscribe_font_data_t *data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_font_data_key);
+ hb_uniscribe_font_data_t *data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_data_key);
if (likely (data)) return data;
data = (hb_uniscribe_font_data_t *) calloc (1, sizeof (hb_uniscribe_font_data_t));
@@ -187,12 +186,12 @@ _hb_uniscribe_font_get_data (hb_font_t *font)
DEBUG_MSG (UNISCRIBE, font, "Font SelectObject() failed");
}
- if (unlikely (!hb_font_set_user_data (font, &uniscribe_font_data_key, data,
+ if (unlikely (!hb_font_set_user_data (font, &uniscribe_data_key, data,
(hb_destroy_func_t) _hb_uniscribe_font_data_destroy,
FALSE)))
{
_hb_uniscribe_font_data_destroy (data);
- data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_font_data_key);
+ data = (hb_uniscribe_font_data_t *) hb_font_get_user_data (font, &uniscribe_data_key);
if (data)
return data;
else
commit cd2b901027bd154e31aa509c0cb2d86633e36398
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 01:47:25 2011 +0200
[graphite] Minor
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index 493a9db..9282892 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -24,16 +24,16 @@
*/
#include "hb-private.hh"
+
+#include "hb-graphite2.h"
+
#include "hb-buffer-private.hh"
#include "hb-font-private.hh"
#include "hb-ot-tag.h"
+
#include <graphite2/Font.h>
#include <graphite2/Segment.h>
-#include "hb-graphite2.h"
-#include <stdlib.h>
-#include <string.h>
-HB_BEGIN_DECLS
typedef struct hbgr_tablelist_t {
hb_blob_t *blob;
@@ -432,5 +432,3 @@ dieout:
if (text) free(text);
return success;
}
-
-HB_END_DECLS
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index 2e86c3c..9357f81 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -31,7 +31,6 @@
#include "hb-buffer-private.hh"
#ifdef HAVE_GRAPHITE
-#include "hb-font-private.hh"
#include "hb-graphite2.h"
#endif
#ifdef HAVE_UNISCRIBE
commit 834af3b48a1aca3e53811d1eb4ca09b582b8e598
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 01:45:47 2011 +0200
[graphite] Remove hb_graphite2_feature_check()
I don't see how this function can be useful.
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
index ccac015..493a9db 100644
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@@ -433,14 +433,4 @@ dieout:
return success;
}
-int hb_graphite2_feature_check(const hb_feature_t *feats, unsigned int num_feats)
-{
- while (num_feats--)
- {
- if (feats[num_feats].tag == HB_TAG(' ', 'R', 'N', 'D'))
- return (feats[num_feats].value == 1);
- }
- return 1;
-}
-
HB_END_DECLS
diff --git a/src/hb-graphite2.h b/src/hb-graphite2.h
index 0d471d5..f3b7a68 100644
--- a/src/hb-graphite2.h
+++ b/src/hb-graphite2.h
@@ -40,8 +40,6 @@ hb_bool_t hb_graphite_shape (hb_font_t *font,
unsigned int num_features,
const char * const *shaper_options);
-int hb_graphite2_feature_check(const hb_feature_t *feats, unsigned int num_feats);
-
HB_END_DECLS
#endif /* HB_GRAPHITE2_H */
commit 1f49cf32c96cb45a4d8ba2c210aeb7a8076b4762
Author: Behdad Esfahbod <behdad at behdad.org>
Date: Wed Aug 24 01:29:25 2011 +0200
Add graphite2 integration from Martin Hosken
To be modified, a lot.
diff --git a/configure.ac b/configure.ac
index 5871675..1bbe598 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,7 +134,14 @@ if $have_icu; then
fi
AM_CONDITIONAL(HAVE_ICU, $have_icu)
-dnl ==========================================================================
+AC_ARG_ENABLE(graphite,
+ AC_HELP_STRING([--disable-graphite], [build without graphite support]))
+
+PKG_CHECK_MODULES(GRAPHITE, graphite2, have_graphite=true, have_graphite=false)
+if test "x$enable_graphite" != xno -a $have_graphite; then
+ AC_DEFINE(HAVE_GRAPHITE, 1, [Have Graphite library])
+fi
+AM_CONDITIONAL(HAVE_GRAPHITE, [test "x$enable_graphite" != xno -a $have_graphite])
PKG_CHECK_MODULES(FREETYPE, freetype2 >= 2.3.8, have_freetype=true, have_freetype=false)
if $have_freetype; then
diff --git a/contrib/python/lib/harfbuzz.pyx b/contrib/python/lib/harfbuzz.pyx
index f483fd6..3e3774e 100644
--- a/contrib/python/lib/harfbuzz.pyx
+++ b/contrib/python/lib/harfbuzz.pyx
@@ -29,17 +29,15 @@ cdef extern from "hb-common.h" :
ctypedef unsigned long hb_tag_t
hb_tag_t hb_tag_from_string (char *s)
ctypedef void (*hb_destroy_func_t) (void *user_data)
+ ctypedef void *hb_language_t
+ hb_language_t hb_language_from_string(char *str)
+ char * hb_language_to_string(hb_language_t language)
cdef extern from "hb-unicode.h" :
# there must be a better way of syncing this list with the true source
ctypedef enum hb_script_t :
HB_SCRIPT_COMMON = 0
-cdef extern from "hb-language.h" :
- ctypedef void *hb_language_t
- hb_language_t hb_language_from_string(char *str)
- char * hb_language_to_string(hb_language_t language)
-
cdef extern from "hb-ot-tag.h" :
hb_script_t hb_ot_tag_to_script (hb_tag_t tag)
@@ -80,8 +78,8 @@ cdef extern from "hb-buffer.h" :
void hb_buffer_add_glyph(hb_buffer_t *buffer, hb_codepoint_t codepoint, hb_mask_t mask, unsigned int cluster)
void hb_buffer_add_utf8(hb_buffer_t *buffer, char *text, unsigned int text_length, unsigned int item_offset, unsigned int item_length)
unsigned int hb_buffer_get_length(hb_buffer_t *buffer)
- hb_glyph_info_t *hb_buffer_get_glyph_infos(hb_buffer_t *buffer)
- hb_glyph_position_t *hb_buffer_get_glyph_positions(hb_buffer_t *buffer)
+ hb_glyph_info_t *hb_buffer_get_glyph_infos(hb_buffer_t *buffer, unsigned int *len)
+ hb_glyph_position_t *hb_buffer_get_glyph_positions(hb_buffer_t *buffer, unsigned int *len)
cdef extern from "hb-blob.h" :
cdef struct hb_blob_t :
@@ -111,7 +109,7 @@ cdef extern from "hb-shape.h" :
unsigned int start
unsigned int end
- void hb_shape (hb_font_t *font, hb_face_t *face, hb_buffer_t *buffer, hb_feature_t *features, unsigned int num_features)
+ void hb_shape (hb_font_t *font, hb_buffer_t *buffer, hb_feature_t *features, unsigned int num_features)
cdef extern from "hb-ft.h" :
hb_face_t *hb_ft_face_create (FT_Face ft_face, hb_destroy_func_t destroy)
@@ -156,8 +154,8 @@ cdef class buffer :
res = []
num = hb_buffer_get_length(self.buffer)
- infos = hb_buffer_get_glyph_infos(self.buffer)
- positions = hb_buffer_get_glyph_positions(self.buffer)
+ infos = hb_buffer_get_glyph_infos(self.buffer, &num)
+ positions = hb_buffer_get_glyph_positions(self.buffer, &num)
for 0 <= i < num :
temp = glyphinfo(infos[i].codepoint, infos[i].cluster, (positions[i].x_advance / scale, positions[i].y_advance / scale), (positions[i].x_offset / scale, positions[i].y_offset / scale), positions[i].var.u32)
res.append(temp)
@@ -210,6 +208,6 @@ cdef class ft :
aFeat.start = 0
aFeat.end = -1
aFeat += 1
- hb_shape(self.hbfont, self.hbface, aBuffer.buffer, feats, len(features))
+ hb_shape(self.hbfont, aBuffer.buffer, feats, len(features))
diff --git a/contrib/python/runpy b/contrib/python/runpy
deleted file mode 100755
index b39db1b..0000000
--- a/contrib/python/runpy
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-LD_LIBRARY_PATH=../../src/.libs PYTHONPATH=build/lib.`python -c 'import distutils.util, sys; print distutils.util.get_platform()+"-"+str(sys.version_info[0])+"."+str(sys.version_info[1])'` "$@"
diff --git a/contrib/python/scripts/hbtestfont b/contrib/python/scripts/hbtestfont
index 7736ae6..4437105 100755
--- a/contrib/python/scripts/hbtestfont
+++ b/contrib/python/scripts/hbtestfont
@@ -100,9 +100,9 @@ if not opts.nogui :
glyphs = []
org = [0, 0]
for g in res :
- glyphs.append((g.gid, org[0] + g.offset[0], org[1] + g.offset[1]))
+ glyphs.append((g.gid, org[0] + g.offset[0], org[1] - g.offset[1]))
org[0] += g.advance[0]
- org[1] += g.advance[1]
+ org[1] -= g.advance[1]
gobject.type_register(GlyphsWindow)
win = gtk.Window()
diff --git a/contrib/python/setup.py b/contrib/python/setup.py
index f592728..681c53b 100755
--- a/contrib/python/setup.py
+++ b/contrib/python/setup.py
@@ -1,10 +1,23 @@
#!/usr/bin/python
from distutils.core import setup
+from optparse import OptionParser
from glob import glob
from Pyrex.Distutils.extension import Extension
from Pyrex.Distutils import build_ext
+parser = OptionParser()
+parser.add_option('-b','--build', help='Build directory in which libraries are found. Relative to project root')
+parser.disable_interspersed_args()
+
+(opts, args) = parser.parse_args()
+
+rfile = file("runpy", "w")
+rfile.write("""#!/bin/sh
+LD_LIBRARY_PATH=../../%s/src/.libs PYTHONPATH=build/lib.`python -c 'import distutils.util, sys; print distutils.util.get_platform()+"-"+str(sys.version_info[0])+"."+str(sys.version_info[1])'` "$@"
+""" % opts.build)
+rfile.close()
+
setup(name='harfbuzz',
version='0.0.1',
description='Harfbuzz compatibility layer',
@@ -13,13 +26,14 @@ setup(name='harfbuzz',
maintainer_email='martin_hosken at sil.org',
packages=['harfbuzz'],
ext_modules = [
- Extension("harfbuzz", ["lib/harfbuzz.pyx"], libraries=["harfbuzz"], library_dirs=["../../src/.libs"], include_dirs=["/usr/include/freetype2", "../../src"]),
+ Extension("harfbuzz", ["lib/harfbuzz.pyx"], libraries=["harfbuzz"], library_dirs=["../../%s/src/.libs" % opts.build], include_dirs=["/usr/include/freetype2", "../../src", "../../%s/src" % opts.build]),
Extension("fontconfig", ["lib/fontconfig.pyx"], libraries=["fontconfig"])
],
cmdclass = {'build_ext' : build_ext},
scripts = glob('scripts/*'),
license = 'LGPL',
platforms = ['Linux', 'Win32', 'Mac OS X'],
- package_dir = {'harfbuzz' : 'lib'}
+ package_dir = {'harfbuzz' : 'lib'},
+ script_args = args
)
diff --git a/src/Makefile.am b/src/Makefile.am
index 0b20709..95980a2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -116,6 +116,13 @@ HBSOURCES += hb-ft.cc
HBHEADERS += hb-ft.h
endif
+if HAVE_GRAPHITE
+HBCFLAGS += $(GRAPHITE_CFLAGS)
+HBLIBS += $(GRAPHITE_LIBS)
+HBSOURCES += hb-graphite2.cc
+HBHEADERS += hb-graphite2.h
+endif
+
if HAVE_UNISCRIBE
HBCFLAGS += $(UNISCRIBE_CFLAGS)
HBLIBS += $(UNISCRIBE_LIBS)
diff --git a/src/hb-graphite2.cc b/src/hb-graphite2.cc
new file mode 100644
index 0000000..ccac015
--- /dev/null
+++ b/src/hb-graphite2.cc
@@ -0,0 +1,446 @@
+/*
+ * Copyright (C) 2011 Martin Hosken
+ * Copyright (C) 2011 SIL International
+ *
+ * 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.
+ */
+
+#include "hb-private.hh"
+#include "hb-buffer-private.hh"
+#include "hb-font-private.hh"
+#include "hb-ot-tag.h"
+#include <graphite2/Font.h>
+#include <graphite2/Segment.h>
+#include "hb-graphite2.h"
+#include <stdlib.h>
+#include <string.h>
+
+HB_BEGIN_DECLS
+
+typedef struct hbgr_tablelist_t {
+ hb_blob_t *blob;
+ struct hbgr_tablelist_t *next;
+ unsigned int tag;
+} hbgr_tablelist_t;
+
+typedef struct hbgr_face_t {
+ gr_face *grface;
+ hbgr_tablelist_t *tlist;
+ hb_destroy_func_t destroy;
+ hb_reference_table_func_t get_table;
+ hb_face_t *face;
+ void *data;
+} hbgr_face_t;
+
+typedef struct hbgr_font_t {
+ gr_font *grfont;
+ hb_face_t *face;
+ hb_font_t *font;
+ hb_destroy_func_t destroy;
+ hb_font_funcs_t *klass;
+ void *data;
+} hbgr_font_t;
+
+typedef struct hbgr_cluster_t {
+ unsigned int base_char;
+ unsigned int num_chars;
+ unsigned int base_glyph;
+ unsigned int num_glyphs;
+} hbgr_cluster_t;
+
+static const void *hbgr_get_table(const void *face, unsigned int tag, size_t *len);
+static float hbgr_get_advance(const void *font, unsigned short gid);
+static void hbgr_face_destroy(void *data);
+static hb_blob_t *hbgr_face_get_table(hb_face_t *face, hb_tag_t tag, void *data);
+static void hbgr_font_destroy(void *data);
+/* static hb_codepoint_t hbgr_font_get_glyph (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t unicode, hb_codepoint_t variation_selector);
+static void hbgr_font_get_glyph_advance (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t glyph, hb_position_t *x_advance, hb_position_t *y_advance);
+static void hbgr_font_get_glyph_extents (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t glyph, hb_glyph_extents_t *extents);
+static hb_bool_t hbgr_font_get_contour_point (hb_font_t *font, hb_face_t *face, const void *user_data, unsigned int point_index, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y);
+static hb_position_t hbgr_font_get_kerning (hb_font_t *font, hb_face_t *face, const void *user_data, hb_codepoint_t first_glyph, hb_codepoint_t second_glyph);
+*/
+
+static const void *hbgr_get_table(const void *data, unsigned int tag, size_t *len)
+{
+ const void *res;
+ hbgr_tablelist_t *pl, *p;
+ hbgr_face_t *face = (hbgr_face_t *)data;
+ hbgr_tablelist_t *tlist = face->tlist;
+
+ for (p = tlist; p; p = p->next)
+ if (p->tag == tag)
+ return hb_blob_get_data(p->blob, (unsigned int *)len);
+ else
+ pl = p;
+
+ hb_blob_t *blob = face->get_table(face->face, tag, face->data);
+ if (pl->blob)
+ {
+ p = (hbgr_tablelist_t *)malloc(sizeof(hbgr_tablelist_t));
+ if (!p)
+ {
+ hb_blob_destroy(blob);
+ return NULL;
+ }
+ p->next = NULL;
+ pl->next = p;
+ pl = p;
+ }
+ pl->blob = blob;
+ pl->tag = tag;
+ return hb_blob_get_data(blob, (unsigned int *)len);
+}
+
+static float hbgr_get_advance(const void *dat, unsigned short gid)
+{
+ hbgr_font_t *font = (hbgr_font_t *)dat;
+ return (float)(font->klass->get.glyph_h_advance(font->font, font->data, gid, font->klass->user_data.glyph_h_advance));
+}
+
+static void hbgr_face_destroy(void *data)
+{
+ hbgr_face_t *fcomp = (hbgr_face_t *)data;
+ hbgr_tablelist_t *tlist = fcomp->tlist;
+ while (tlist)
+ {
+ hbgr_tablelist_t *old = tlist;
+ hb_blob_destroy(tlist->blob);
+ tlist = tlist->next;
+ free(old);
+ }
+ fcomp->destroy(fcomp->data);
+ gr_face_destroy(fcomp->grface);
+}
+
+static hb_blob_t *hbgr_face_get_table(hb_face_t *face, hb_tag_t tag, void *data)
+{
+ hbgr_face_t *fcomp = (hbgr_face_t *)data;
+ return fcomp->get_table(fcomp->face, tag, fcomp->data);
+}
+
+static void hbgr_font_destroy(void *data)
+{
+ hbgr_font_t *fcomp = (hbgr_font_t *)data;
+ fcomp->destroy(fcomp->data);
+ gr_font_destroy(fcomp->grfont);
+}
+
+static hb_bool_t hbgr_font_get_glyph (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t unicode,
+ hb_codepoint_t variation_selector,
+ hb_codepoint_t *glyph,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph(((hbgr_font_t *)font)->font, font_data, unicode, variation_selector, glyph, user_data);
+}
+
+static hb_bool_t hbgr_font_get_glyph_h_advance (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_h_advance(((hbgr_font_t *)font)->font, font_data, glyph, user_data);
+}
+
+static hb_position_t hbgr_font_get_glyph_v_advance (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_v_advance(((hbgr_font_t *)font)->font, font_data, glyph, user_data);
+}
+
+static hb_bool_t hbgr_font_get_glyph_h_origin (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_h_origin(((hbgr_font_t *)font)->font, font_data, glyph, x, y, user_data);
+}
+
+static hb_bool_t hbgr_font_get_glyph_v_origin (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_v_origin(((hbgr_font_t *)font)->font, font_data, glyph, x, y, user_data);
+}
+
+static hb_position_t hbgr_font_get_glyph_h_kerning (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t first_glyph,
+ hb_codepoint_t second_glyph,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_h_kerning(((hbgr_font_t *)font)->font, font_data, first_glyph, second_glyph, user_data);
+}
+
+static hb_position_t hbgr_font_get_glyph_v_kerning (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t first_glyph,
+ hb_codepoint_t second_glyph,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_v_kerning(((hbgr_font_t *)font)->font, font_data, first_glyph, second_glyph, user_data);
+}
+
+static hb_bool_t hbgr_font_get_glyph_extents (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ hb_glyph_extents_t *extents,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_extents(((hbgr_font_t *)font)->font, font_data, glyph, extents, user_data);
+}
+
+static hb_bool_t hbgr_font_get_glyph_contour_point (hb_font_t *font,
+ void *font_data,
+ hb_codepoint_t glyph,
+ unsigned int point_index,
+ hb_position_t *x,
+ hb_position_t *y,
+ void *user_data)
+{
+ return ((hbgr_font_t *)font)->klass->get.glyph_contour_point(((hbgr_font_t *)font)->font, font_data, glyph, point_index, x, y, user_data);
+}
+
+hb_font_funcs_t hbgr_klass = {
+ HB_OBJECT_HEADER_STATIC,
+ TRUE,
+ {
+ hbgr_font_get_glyph,
+ hbgr_font_get_glyph_h_advance,
+ hbgr_font_get_glyph_v_advance,
+ hbgr_font_get_glyph_h_origin,
+ hbgr_font_get_glyph_v_origin,
+ hbgr_font_get_glyph_h_kerning,
+ hbgr_font_get_glyph_v_kerning,
+ hbgr_font_get_glyph_extents,
+ hbgr_font_get_glyph_contour_point
+ }
+};
+
+// returns 0 = success, 1 = fallback
+static int hbgr_make_fonts(hb_font_t *font, hb_face_t *face)
+{
+ // check face for having already added gr_face (based on destroy fn)
+ if (face->destroy != &hbgr_face_destroy)
+ {
+ hb_blob_t *silf_blob;
+ silf_blob = hb_face_reference_table (font->face, HB_GRAPHITE_TAG_Silf);
+ if (!hb_blob_get_length(silf_blob)) // return as early as possible if no Silf table
+ {
+ hb_blob_destroy(silf_blob);
+ return 1;
+ }
+ hbgr_tablelist_t *flist = (hbgr_tablelist_t *)malloc(sizeof(hbgr_tablelist_t));
+ hbgr_face_t *fcomp = (hbgr_face_t *)malloc(sizeof(hbgr_face_t));
+ if (!flist || !fcomp) return 1;
+ flist->next = NULL;
+ flist->tag = 0;
+ flist->blob = NULL;
+ fcomp->tlist = flist;
+ fcomp->get_table = face->reference_table;
+ fcomp->destroy = face->destroy;
+ fcomp->data = face->user_data;
+ fcomp->grface = gr_make_face(fcomp, &hbgr_get_table, gr_face_preloadGlyphs);
+ if (fcomp->grface)
+ {
+ face->user_data = fcomp;
+ face->reference_table = &hbgr_face_get_table;
+ face->destroy = &hbgr_face_destroy;
+ }
+ else
+ {
+ free(flist);
+ free(fcomp);
+ return 1;
+ }
+ }
+
+ // check font for having already added gr_font (based on destroy fn)
+ if (font->destroy != &hbgr_font_destroy)
+ {
+ hbgr_font_t *fcomp = (hbgr_font_t *)malloc(sizeof(hbgr_font_t));
+ if (fcomp)
+ {
+ int scale;
+ gr_face *grface = ((hbgr_face_t *)(face->user_data))->grface;
+ hb_font_get_scale(font, &scale, NULL);
+ fcomp->face = face;
+ fcomp->font = font;
+ fcomp->destroy = font->destroy;
+ fcomp->klass = font->klass;
+ fcomp->data = font->user_data;
+ fcomp->grfont = gr_make_font_with_advance_fn(scale, fcomp, &hbgr_get_advance, grface);
+ if (fcomp->grfont)
+ {
+ font->destroy = &hbgr_font_destroy;
+ font->klass = &hbgr_klass;
+ font->user_data = fcomp;
+ return 0;
+ }
+ }
+ // something went wrong, back out of the whole thing
+ hbgr_face_t *facecomp = (hbgr_face_t *)(face->user_data);
+ free(facecomp->tlist);
+ face->reference_table = facecomp->get_table;
+ face->destroy = facecomp->destroy;
+ face->user_data = facecomp->data;
+ free(facecomp);
+ if (fcomp) free(fcomp);
+ return 1;
+ // create gr_font and put into struct along with stuff in font
+ // replace font component with struct and fns
+ }
+ return 0;
+}
+
+hb_bool_t hb_graphite_shape (hb_font_t *font,
+ hb_buffer_t *buffer,
+ const hb_feature_t *features,
+ unsigned int num_features,
+ const char * const *shaper_options)
+{
+ hb_face_t *face = font->face;
+ gr_face *grface = NULL;
+ gr_font *grfont = NULL;
+ gr_segment *seg = NULL;
+ unsigned int *text = NULL;
+ hbgr_cluster_t *clusters = NULL;
+ unsigned short *gids = NULL;
+ unsigned int charlen;
+ hb_glyph_info_t *bufferi = hb_buffer_get_glyph_infos(buffer, &charlen);
+
+ int success = 0;
+ unsigned int *p;
+ const gr_slot *is;
+ unsigned int glyphlen;
+ unsigned short *pg;
+ unsigned int ci = 0, ic = 0;
+ float curradvx = 0., curradvy = 0.;
+
+ if (!charlen || hbgr_make_fonts(font, face)) return 0;
+ grface = ((hbgr_face_t *)face->user_data)->grface;
+ grfont = ((hbgr_font_t *)font->user_data)->grfont;
+
+ const char *lang = hb_language_to_string(hb_buffer_get_language(buffer));
+ gr_feature_val *feats = gr_face_featureval_for_lang(grface, lang ? hb_tag_from_string(lang) : 0);
+
+ while (num_features--)
+ {
+ const gr_feature_ref *fref = gr_face_find_fref(grface, features->tag);
+ if (fref)
+ gr_fref_set_feature_value(fref, features->value, feats);
+ features++;
+ }
+ text = (unsigned int *)malloc((charlen + 1) * sizeof(unsigned int));
+ if (!text) goto dieout;
+ p = text;
+ for (unsigned int i = 0; i < charlen; ++i)
+ *p++ = bufferi++->codepoint;
+ *p = 0;
+
+ hb_tag_t script_tag_1, script_tag_2;
+ hb_ot_tags_from_script(hb_buffer_get_script(buffer), &script_tag_1, &script_tag_2);
+ seg = gr_make_seg(grfont, grface, script_tag_2 == HB_TAG_NONE ? script_tag_1 : script_tag_2,
+ feats, gr_utf32, text, charlen, hb_buffer_get_direction(buffer) == HB_DIRECTION_RTL ? 3 : 0);
+ if (!seg) goto dieout;
+ glyphlen = gr_seg_n_slots(seg);
+ clusters = (hbgr_cluster_t *)malloc(charlen * sizeof(hbgr_cluster_t));
+ if (!glyphlen || !clusters) goto dieout;
+ memset(clusters, 0, charlen * sizeof(hbgr_cluster_t));
+ gids = (unsigned short *)malloc(glyphlen * sizeof(unsigned short));
+ if (!gids) goto dieout;
+ pg = gids;
+ for (is = gr_seg_first_slot(seg), ic = 0; is; is = gr_slot_next_in_segment(is), ic++)
+ {
+ unsigned int before = gr_slot_before(is);
+ unsigned int after = gr_slot_after(is);
+ *pg = gr_slot_gid(is);
+ *pg++ = hb_be_uint16(*pg); // insane: swap bytes so be16 can swap them back
+ while (clusters[ci].base_char > before && ci)
+ {
+ clusters[ci-1].num_chars += clusters[ci].num_chars;
+ clusters[ci-1].num_glyphs += clusters[ci].num_glyphs;
+ --ci;
+ }
+
+ if (gr_slot_can_insert_before(is) && clusters[ci].num_chars && before >= clusters[ci].base_char + clusters[ci].num_chars)
+ {
+ hbgr_cluster_t *c = clusters + ci + 1;
+ c->base_char = clusters[ci].base_char + clusters[ci].num_chars;
+ c->num_chars = before - c->base_char;
+ c->base_glyph = ic;
+ c->num_glyphs = 0;
+ ++ci;
+ }
+ ++clusters[ci].num_glyphs;
+
+ if (clusters[ci].base_char + clusters[ci].num_chars < after + 1)
+ clusters[ci].num_chars = after + 1 - clusters[ci].base_char;
+ }
+
+ buffer->clear_output();
+ for (unsigned int i = 0; i <= ci; ++i)
+ buffer->replace_glyphs_be16(clusters[i].num_chars, clusters[i].num_glyphs, gids + clusters[i].base_glyph);
+ buffer->swap_buffers();
+
+ hb_glyph_position_t *pPos;
+ for (pPos = hb_buffer_get_glyph_positions(buffer, NULL), is = gr_seg_first_slot(seg);
+ is; pPos++, is = gr_slot_next_in_segment(is))
+ {
+ pPos->x_offset = gr_slot_origin_X(is) - curradvx;
+ pPos->y_offset = gr_slot_origin_Y(is) - curradvy;
+ pPos->x_advance = gr_slot_advance_X(is, grface, grfont);
+ pPos->y_advance = gr_slot_advance_Y(is, grface, grfont);
+// if (pPos->x_advance < 0 && gr_slot_attached_to(is))
+// pPos->x_advance = 0;
+ curradvx += pPos->x_advance;
+ curradvy += pPos->y_advance;
+ }
+ pPos[-1].x_advance += gr_seg_advance_X(seg) - curradvx;
+ success = 1;
+
+dieout:
+ if (gids) free(gids);
+ if (clusters) free(clusters);
+ if (seg) gr_seg_destroy(seg);
+ if (text) free(text);
+ return success;
+}
+
+int hb_graphite2_feature_check(const hb_feature_t *feats, unsigned int num_feats)
+{
+ while (num_feats--)
+ {
+ if (feats[num_feats].tag == HB_TAG(' ', 'R', 'N', 'D'))
+ return (feats[num_feats].value == 1);
+ }
+ return 1;
+}
+
+HB_END_DECLS
diff --git a/src/hb-graphite2.h b/src/hb-graphite2.h
new file mode 100644
index 0000000..0d471d5
--- /dev/null
+++ b/src/hb-graphite2.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011 Martin Hosken
+ * Copyright (C) 2011 SIL International
+ *
+ * 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.
+ */
+
+#ifndef HB_GRAPHITE2_H
+#define HB_GRAPHITE2_H
+
+#include "hb.h"
+#include "hb-shape.h"
+
+HB_BEGIN_DECLS
+
+
+#define HB_GRAPHITE_TAG_Silf HB_TAG('S','i','l','f')
+
+hb_bool_t hb_graphite_shape (hb_font_t *font,
+ hb_buffer_t *buffer,
+ const hb_feature_t *features,
+ unsigned int num_features,
+ const char * const *shaper_options);
+
+int hb_graphite2_feature_check(const hb_feature_t *feats, unsigned int num_feats);
+
+HB_END_DECLS
+
+#endif /* HB_GRAPHITE2_H */
diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index d42be6c..2e86c3c 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -30,6 +30,10 @@
#include "hb-buffer-private.hh"
+#ifdef HAVE_GRAPHITE
+#include "hb-font-private.hh"
+#include "hb-graphite2.h"
+#endif
#ifdef HAVE_UNISCRIBE
# include "hb-uniscribe.h"
#endif
@@ -50,6 +54,9 @@ static struct hb_shaper_pair_t {
hb_shape_func_t func;
} shapers[] = {
/* v--- Add new shapers in the right place here */
+#ifdef HAVE_GRAPHITE
+ HB_SHAPER_IMPLEMENT (graphite),
+#endif
#ifdef HAVE_UNISCRIBE
HB_SHAPER_IMPLEMENT (uniscribe),
#endif
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