Separate face source code from font
Makes documentation / introspection easier.
This commit is contained in:
Behdad Esfahbod
parent
d3490761e1
commit
2e3a07abdf
@ -32,6 +32,7 @@ LOCAL_SRC_FILES:= \
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src/hb-buffer.cc \
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src/hb-common.cc \
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src/hb-fallback-shape.cc \
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src/hb-face.cc \
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src/hb-font.cc \
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src/hb-ot-tag.cc \
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src/hb-set.cc \
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@ -21,6 +21,7 @@
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<xi:include href="xml/hb-unicode.xml"/>
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<xi:include href="xml/hb-buffer.xml"/>
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<xi:include href="xml/hb-blob.xml"/>
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<xi:include href="xml/hb-face.xml"/>
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<xi:include href="xml/hb-font.xml"/>
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<xi:include href="xml/hb-shape.xml"/>
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@ -133,7 +133,7 @@ hb_coretext_font_get_ct_font
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</SECTION>
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<SECTION>
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<FILE>hb-font</FILE>
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<FILE>hb-face</FILE>
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hb_face_create
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hb_face_create_for_tables
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hb_face_destroy
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@ -152,6 +152,10 @@ hb_face_set_index
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hb_face_set_upem
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hb_face_set_user_data
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hb_face_t
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</SECTION>
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<SECTION>
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<FILE>hb-font</FILE>
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hb_font_add_glyph_origin_for_direction
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hb_font_create
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hb_font_create_sub_font
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@ -28,6 +28,8 @@ HBSOURCES = \
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hb-cache-private.hh \
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hb-common.cc \
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hb-fallback-shape.cc \
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hb-face-private.hh \
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hb-face.cc \
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hb-font-private.hh \
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hb-font.cc \
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hb-mutex-private.hh \
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@ -61,6 +63,7 @@ HBHEADERS = \
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hb-blob.h \
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hb-buffer.h \
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hb-common.h \
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hb-face.h \
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hb-font.h \
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hb-set.h \
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hb-shape.h \
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108
src/hb-face-private.hh
Normal file
108
src/hb-face-private.hh
Normal file
@ -0,0 +1,108 @@
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/*
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* Copyright © 2009 Red Hat, Inc.
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* Copyright © 2011 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_FACE_PRIVATE_HH
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#define HB_FACE_PRIVATE_HH
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#include "hb-private.hh"
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#include "hb-font.h"
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#include "hb-object-private.hh"
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#include "hb-shaper-private.hh"
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#include "hb-shape-plan-private.hh"
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/*
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* hb_face_t
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*/
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struct hb_face_t {
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hb_object_header_t header;
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ASSERT_POD ();
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hb_bool_t immutable;
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hb_reference_table_func_t reference_table_func;
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void *user_data;
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hb_destroy_func_t destroy;
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unsigned int index;
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mutable unsigned int upem;
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mutable unsigned int num_glyphs;
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struct hb_shaper_data_t shaper_data;
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struct plan_node_t {
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hb_shape_plan_t *shape_plan;
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plan_node_t *next;
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} *shape_plans;
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inline hb_blob_t *reference_table (hb_tag_t tag) const
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{
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hb_blob_t *blob;
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if (unlikely (!this || !reference_table_func))
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return hb_blob_get_empty ();
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blob = reference_table_func (/*XXX*/const_cast<hb_face_t *> (this), tag, user_data);
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if (unlikely (!blob))
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return hb_blob_get_empty ();
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return blob;
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}
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inline HB_PURE_FUNC unsigned int get_upem (void) const
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{
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if (unlikely (!upem))
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load_upem ();
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return upem;
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}
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inline unsigned int get_num_glyphs (void) const
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{
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if (unlikely (num_glyphs == (unsigned int) -1))
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load_num_glyphs ();
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return num_glyphs;
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}
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private:
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HB_INTERNAL void load_upem (void) const;
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HB_INTERNAL void load_num_glyphs (void) const;
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};
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extern HB_INTERNAL const hb_face_t _hb_face_nil;
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#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
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#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, face);
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#include "hb-shaper-list.hh"
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#undef HB_SHAPER_IMPLEMENT
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#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
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#endif /* HB_FACE_PRIVATE_HH */
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311
src/hb-face.cc
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311
src/hb-face.cc
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@ -0,0 +1,311 @@
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/*
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* Copyright © 2009 Red Hat, Inc.
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* Copyright © 2012 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb-private.hh"
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#include "hb-ot-layout-private.hh"
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#include "hb-font-private.hh"
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#include "hb-blob.h"
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#include "hb-open-file-private.hh"
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#include "hb-ot-head-table.hh"
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#include "hb-ot-maxp-table.hh"
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#include "hb-cache-private.hh"
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#include <string.h>
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/*
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* hb_face_t
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*/
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const hb_face_t _hb_face_nil = {
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HB_OBJECT_HEADER_STATIC,
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true, /* immutable */
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NULL, /* reference_table_func */
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NULL, /* user_data */
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NULL, /* destroy */
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0, /* index */
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1000, /* upem */
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0, /* num_glyphs */
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{
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#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
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#include "hb-shaper-list.hh"
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#undef HB_SHAPER_IMPLEMENT
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},
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NULL, /* shape_plans */
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};
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hb_face_t *
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hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
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void *user_data,
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hb_destroy_func_t destroy)
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{
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hb_face_t *face;
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if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) {
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if (destroy)
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destroy (user_data);
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return hb_face_get_empty ();
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}
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face->reference_table_func = reference_table_func;
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face->user_data = user_data;
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face->destroy = destroy;
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face->upem = 0;
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face->num_glyphs = (unsigned int) -1;
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return face;
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}
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typedef struct hb_face_for_data_closure_t {
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hb_blob_t *blob;
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unsigned int index;
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} hb_face_for_data_closure_t;
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static hb_face_for_data_closure_t *
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_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
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{
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hb_face_for_data_closure_t *closure;
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closure = (hb_face_for_data_closure_t *) malloc (sizeof (hb_face_for_data_closure_t));
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if (unlikely (!closure))
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return NULL;
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closure->blob = blob;
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closure->index = index;
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return closure;
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}
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static void
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_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure)
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{
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hb_blob_destroy (closure->blob);
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free (closure);
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}
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static hb_blob_t *
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_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
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{
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hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data;
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if (tag == HB_TAG_NONE)
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return hb_blob_reference (data->blob);
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const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob);
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const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index);
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const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag);
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hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length);
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return blob;
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}
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hb_face_t *
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hb_face_create (hb_blob_t *blob,
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unsigned int index)
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{
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hb_face_t *face;
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if (unlikely (!blob || !hb_blob_get_length (blob)))
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return hb_face_get_empty ();
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hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index);
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if (unlikely (!closure))
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return hb_face_get_empty ();
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face = hb_face_create_for_tables (_hb_face_for_data_reference_table,
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closure,
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(hb_destroy_func_t) _hb_face_for_data_closure_destroy);
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hb_face_set_index (face, index);
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return face;
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}
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hb_face_t *
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hb_face_get_empty (void)
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{
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return const_cast<hb_face_t *> (&_hb_face_nil);
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}
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hb_face_t *
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hb_face_reference (hb_face_t *face)
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{
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return hb_object_reference (face);
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}
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void
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hb_face_destroy (hb_face_t *face)
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{
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if (!hb_object_destroy (face)) return;
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for (hb_face_t::plan_node_t *node = face->shape_plans; node; )
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{
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hb_face_t::plan_node_t *next = node->next;
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hb_shape_plan_destroy (node->shape_plan);
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free (node);
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node = next;
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}
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#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face);
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#include "hb-shaper-list.hh"
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#undef HB_SHAPER_IMPLEMENT
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if (face->destroy)
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face->destroy (face->user_data);
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free (face);
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}
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hb_bool_t
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hb_face_set_user_data (hb_face_t *face,
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hb_user_data_key_t *key,
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void * data,
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hb_destroy_func_t destroy,
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hb_bool_t replace)
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{
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return hb_object_set_user_data (face, key, data, destroy, replace);
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}
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void *
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hb_face_get_user_data (hb_face_t *face,
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hb_user_data_key_t *key)
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{
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return hb_object_get_user_data (face, key);
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}
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void
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hb_face_make_immutable (hb_face_t *face)
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{
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if (hb_object_is_inert (face))
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return;
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face->immutable = true;
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}
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hb_bool_t
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hb_face_is_immutable (hb_face_t *face)
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{
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return face->immutable;
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}
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hb_blob_t *
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hb_face_reference_table (hb_face_t *face,
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hb_tag_t tag)
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{
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return face->reference_table (tag);
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}
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hb_blob_t *
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hb_face_reference_blob (hb_face_t *face)
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{
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return face->reference_table (HB_TAG_NONE);
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}
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void
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hb_face_set_index (hb_face_t *face,
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unsigned int index)
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{
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if (hb_object_is_inert (face))
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return;
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face->index = index;
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}
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unsigned int
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hb_face_get_index (hb_face_t *face)
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{
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return face->index;
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}
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void
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hb_face_set_upem (hb_face_t *face,
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unsigned int upem)
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{
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if (hb_object_is_inert (face))
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return;
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face->upem = upem;
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}
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unsigned int
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hb_face_get_upem (hb_face_t *face)
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{
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return face->get_upem ();
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}
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void
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hb_face_t::load_upem (void) const
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{
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hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head));
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const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob);
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upem = head_table->get_upem ();
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hb_blob_destroy (head_blob);
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}
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void
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hb_face_set_glyph_count (hb_face_t *face,
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unsigned int glyph_count)
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{
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if (hb_object_is_inert (face))
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return;
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face->num_glyphs = glyph_count;
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}
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unsigned int
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hb_face_get_glyph_count (hb_face_t *face)
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{
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return face->get_num_glyphs ();
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}
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void
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hb_face_t::load_num_glyphs (void) const
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{
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hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp));
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const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
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num_glyphs = maxp_table->get_num_glyphs ();
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hb_blob_destroy (maxp_blob);
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}
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117
src/hb-face.h
Normal file
117
src/hb-face.h
Normal file
@ -0,0 +1,117 @@
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/*
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* Copyright © 2009 Red Hat, 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.
|
||||
*
|
||||
* Red Hat Author(s): Behdad Esfahbod
|
||||
*/
|
||||
|
||||
#ifndef HB_H_IN
|
||||
#error "Include <hb.h> instead."
|
||||
#endif
|
||||
|
||||
#ifndef HB_FACE_H
|
||||
#define HB_FACE_H
|
||||
|
||||
#include "hb-common.h"
|
||||
#include "hb-blob.h"
|
||||
|
||||
HB_BEGIN_DECLS
|
||||
|
||||
|
||||
/*
|
||||
* hb_face_t
|
||||
*/
|
||||
|
||||
typedef struct hb_face_t hb_face_t;
|
||||
|
||||
hb_face_t *
|
||||
hb_face_create (hb_blob_t *blob,
|
||||
unsigned int index);
|
||||
|
||||
typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data);
|
||||
|
||||
/* calls destroy() when not needing user_data anymore */
|
||||
hb_face_t *
|
||||
hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
|
||||
void *user_data,
|
||||
hb_destroy_func_t destroy);
|
||||
|
||||
hb_face_t *
|
||||
hb_face_get_empty (void);
|
||||
|
||||
hb_face_t *
|
||||
hb_face_reference (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_destroy (hb_face_t *face);
|
||||
|
||||
hb_bool_t
|
||||
hb_face_set_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key,
|
||||
void * data,
|
||||
hb_destroy_func_t destroy,
|
||||
hb_bool_t replace);
|
||||
|
||||
|
||||
void *
|
||||
hb_face_get_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key);
|
||||
|
||||
void
|
||||
hb_face_make_immutable (hb_face_t *face);
|
||||
|
||||
hb_bool_t
|
||||
hb_face_is_immutable (hb_face_t *face);
|
||||
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_table (hb_face_t *face,
|
||||
hb_tag_t tag);
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_blob (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_index (hb_face_t *face,
|
||||
unsigned int index);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_index (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_upem (hb_face_t *face,
|
||||
unsigned int upem);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_upem (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_glyph_count (hb_face_t *face,
|
||||
unsigned int glyph_count);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_glyph_count (hb_face_t *face);
|
||||
|
||||
|
||||
HB_END_DECLS
|
||||
|
||||
#endif /* HB_FACE_H */
|
||||
@ -33,8 +33,8 @@
|
||||
|
||||
#include "hb-font.h"
|
||||
#include "hb-object-private.hh"
|
||||
#include "hb-face-private.hh"
|
||||
#include "hb-shaper-private.hh"
|
||||
#include "hb-shape-plan-private.hh"
|
||||
|
||||
|
||||
|
||||
@ -84,71 +84,6 @@ struct hb_font_funcs_t {
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* hb_face_t
|
||||
*/
|
||||
|
||||
struct hb_face_t {
|
||||
hb_object_header_t header;
|
||||
ASSERT_POD ();
|
||||
|
||||
hb_bool_t immutable;
|
||||
|
||||
hb_reference_table_func_t reference_table_func;
|
||||
void *user_data;
|
||||
hb_destroy_func_t destroy;
|
||||
|
||||
unsigned int index;
|
||||
mutable unsigned int upem;
|
||||
mutable unsigned int num_glyphs;
|
||||
|
||||
struct hb_shaper_data_t shaper_data;
|
||||
|
||||
struct plan_node_t {
|
||||
hb_shape_plan_t *shape_plan;
|
||||
plan_node_t *next;
|
||||
} *shape_plans;
|
||||
|
||||
|
||||
inline hb_blob_t *reference_table (hb_tag_t tag) const
|
||||
{
|
||||
hb_blob_t *blob;
|
||||
|
||||
if (unlikely (!this || !reference_table_func))
|
||||
return hb_blob_get_empty ();
|
||||
|
||||
blob = reference_table_func (/*XXX*/const_cast<hb_face_t *> (this), tag, user_data);
|
||||
if (unlikely (!blob))
|
||||
return hb_blob_get_empty ();
|
||||
|
||||
return blob;
|
||||
}
|
||||
|
||||
inline HB_PURE_FUNC unsigned int get_upem (void) const
|
||||
{
|
||||
if (unlikely (!upem))
|
||||
load_upem ();
|
||||
return upem;
|
||||
}
|
||||
|
||||
inline unsigned int get_num_glyphs (void) const
|
||||
{
|
||||
if (unlikely (num_glyphs == (unsigned int) -1))
|
||||
load_num_glyphs ();
|
||||
return num_glyphs;
|
||||
}
|
||||
|
||||
private:
|
||||
HB_INTERNAL void load_upem (void) const;
|
||||
HB_INTERNAL void load_num_glyphs (void) const;
|
||||
};
|
||||
|
||||
#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
|
||||
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, face);
|
||||
#include "hb-shaper-list.hh"
|
||||
#undef HB_SHAPER_IMPLEMENT
|
||||
#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
|
||||
|
||||
|
||||
/*
|
||||
* hb_font_t
|
||||
|
||||
269
src/hb-font.cc
269
src/hb-font.cc
@ -41,7 +41,6 @@
|
||||
#include <string.h>
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* hb_font_funcs_t
|
||||
*/
|
||||
@ -506,274 +505,6 @@ hb_font_glyph_from_string (hb_font_t *font,
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* hb_face_t
|
||||
*/
|
||||
|
||||
static const hb_face_t _hb_face_nil = {
|
||||
HB_OBJECT_HEADER_STATIC,
|
||||
|
||||
true, /* immutable */
|
||||
|
||||
NULL, /* reference_table_func */
|
||||
NULL, /* user_data */
|
||||
NULL, /* destroy */
|
||||
|
||||
0, /* index */
|
||||
1000, /* upem */
|
||||
0, /* num_glyphs */
|
||||
|
||||
{
|
||||
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID,
|
||||
#include "hb-shaper-list.hh"
|
||||
#undef HB_SHAPER_IMPLEMENT
|
||||
},
|
||||
|
||||
NULL, /* shape_plans */
|
||||
};
|
||||
|
||||
|
||||
hb_face_t *
|
||||
hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
|
||||
void *user_data,
|
||||
hb_destroy_func_t destroy)
|
||||
{
|
||||
hb_face_t *face;
|
||||
|
||||
if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) {
|
||||
if (destroy)
|
||||
destroy (user_data);
|
||||
return hb_face_get_empty ();
|
||||
}
|
||||
|
||||
face->reference_table_func = reference_table_func;
|
||||
face->user_data = user_data;
|
||||
face->destroy = destroy;
|
||||
|
||||
face->upem = 0;
|
||||
face->num_glyphs = (unsigned int) -1;
|
||||
|
||||
return face;
|
||||
}
|
||||
|
||||
|
||||
typedef struct hb_face_for_data_closure_t {
|
||||
hb_blob_t *blob;
|
||||
unsigned int index;
|
||||
} hb_face_for_data_closure_t;
|
||||
|
||||
static hb_face_for_data_closure_t *
|
||||
_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index)
|
||||
{
|
||||
hb_face_for_data_closure_t *closure;
|
||||
|
||||
closure = (hb_face_for_data_closure_t *) malloc (sizeof (hb_face_for_data_closure_t));
|
||||
if (unlikely (!closure))
|
||||
return NULL;
|
||||
|
||||
closure->blob = blob;
|
||||
closure->index = index;
|
||||
|
||||
return closure;
|
||||
}
|
||||
|
||||
static void
|
||||
_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure)
|
||||
{
|
||||
hb_blob_destroy (closure->blob);
|
||||
free (closure);
|
||||
}
|
||||
|
||||
static hb_blob_t *
|
||||
_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
|
||||
{
|
||||
hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data;
|
||||
|
||||
if (tag == HB_TAG_NONE)
|
||||
return hb_blob_reference (data->blob);
|
||||
|
||||
const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob);
|
||||
const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index);
|
||||
|
||||
const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag);
|
||||
|
||||
hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length);
|
||||
|
||||
return blob;
|
||||
}
|
||||
|
||||
hb_face_t *
|
||||
hb_face_create (hb_blob_t *blob,
|
||||
unsigned int index)
|
||||
{
|
||||
hb_face_t *face;
|
||||
|
||||
if (unlikely (!blob || !hb_blob_get_length (blob)))
|
||||
return hb_face_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);
|
||||
|
||||
if (unlikely (!closure))
|
||||
return hb_face_get_empty ();
|
||||
|
||||
face = hb_face_create_for_tables (_hb_face_for_data_reference_table,
|
||||
closure,
|
||||
(hb_destroy_func_t) _hb_face_for_data_closure_destroy);
|
||||
|
||||
hb_face_set_index (face, index);
|
||||
|
||||
return face;
|
||||
}
|
||||
|
||||
hb_face_t *
|
||||
hb_face_get_empty (void)
|
||||
{
|
||||
return const_cast<hb_face_t *> (&_hb_face_nil);
|
||||
}
|
||||
|
||||
|
||||
hb_face_t *
|
||||
hb_face_reference (hb_face_t *face)
|
||||
{
|
||||
return hb_object_reference (face);
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_destroy (hb_face_t *face)
|
||||
{
|
||||
if (!hb_object_destroy (face)) return;
|
||||
|
||||
for (hb_face_t::plan_node_t *node = face->shape_plans; node; )
|
||||
{
|
||||
hb_face_t::plan_node_t *next = node->next;
|
||||
hb_shape_plan_destroy (node->shape_plan);
|
||||
free (node);
|
||||
node = next;
|
||||
}
|
||||
|
||||
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face);
|
||||
#include "hb-shaper-list.hh"
|
||||
#undef HB_SHAPER_IMPLEMENT
|
||||
|
||||
if (face->destroy)
|
||||
face->destroy (face->user_data);
|
||||
|
||||
free (face);
|
||||
}
|
||||
|
||||
hb_bool_t
|
||||
hb_face_set_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key,
|
||||
void * data,
|
||||
hb_destroy_func_t destroy,
|
||||
hb_bool_t replace)
|
||||
{
|
||||
return hb_object_set_user_data (face, key, data, destroy, replace);
|
||||
}
|
||||
|
||||
void *
|
||||
hb_face_get_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key)
|
||||
{
|
||||
return hb_object_get_user_data (face, key);
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_make_immutable (hb_face_t *face)
|
||||
{
|
||||
if (hb_object_is_inert (face))
|
||||
return;
|
||||
|
||||
face->immutable = true;
|
||||
}
|
||||
|
||||
hb_bool_t
|
||||
hb_face_is_immutable (hb_face_t *face)
|
||||
{
|
||||
return face->immutable;
|
||||
}
|
||||
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_table (hb_face_t *face,
|
||||
hb_tag_t tag)
|
||||
{
|
||||
return face->reference_table (tag);
|
||||
}
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_blob (hb_face_t *face)
|
||||
{
|
||||
return face->reference_table (HB_TAG_NONE);
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_set_index (hb_face_t *face,
|
||||
unsigned int index)
|
||||
{
|
||||
if (hb_object_is_inert (face))
|
||||
return;
|
||||
|
||||
face->index = index;
|
||||
}
|
||||
|
||||
unsigned int
|
||||
hb_face_get_index (hb_face_t *face)
|
||||
{
|
||||
return face->index;
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_set_upem (hb_face_t *face,
|
||||
unsigned int upem)
|
||||
{
|
||||
if (hb_object_is_inert (face))
|
||||
return;
|
||||
|
||||
face->upem = upem;
|
||||
}
|
||||
|
||||
unsigned int
|
||||
hb_face_get_upem (hb_face_t *face)
|
||||
{
|
||||
return face->get_upem ();
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_t::load_upem (void) const
|
||||
{
|
||||
hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head));
|
||||
const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob);
|
||||
upem = head_table->get_upem ();
|
||||
hb_blob_destroy (head_blob);
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_set_glyph_count (hb_face_t *face,
|
||||
unsigned int glyph_count)
|
||||
{
|
||||
if (hb_object_is_inert (face))
|
||||
return;
|
||||
|
||||
face->num_glyphs = glyph_count;
|
||||
}
|
||||
|
||||
unsigned int
|
||||
hb_face_get_glyph_count (hb_face_t *face)
|
||||
{
|
||||
return face->get_num_glyphs ();
|
||||
}
|
||||
|
||||
void
|
||||
hb_face_t::load_num_glyphs (void) const
|
||||
{
|
||||
hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp));
|
||||
const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob);
|
||||
num_glyphs = maxp_table->get_num_glyphs ();
|
||||
hb_blob_destroy (maxp_blob);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* hb_font_t
|
||||
*/
|
||||
|
||||
@ -32,86 +32,13 @@
|
||||
#define HB_FONT_H
|
||||
|
||||
#include "hb-common.h"
|
||||
#include "hb-blob.h"
|
||||
#include "hb-face.h"
|
||||
|
||||
HB_BEGIN_DECLS
|
||||
|
||||
|
||||
typedef struct hb_face_t hb_face_t;
|
||||
typedef struct hb_font_t hb_font_t;
|
||||
|
||||
/*
|
||||
* hb_face_t
|
||||
*/
|
||||
|
||||
hb_face_t *
|
||||
hb_face_create (hb_blob_t *blob,
|
||||
unsigned int index);
|
||||
|
||||
typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data);
|
||||
|
||||
/* calls destroy() when not needing user_data anymore */
|
||||
hb_face_t *
|
||||
hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
|
||||
void *user_data,
|
||||
hb_destroy_func_t destroy);
|
||||
|
||||
hb_face_t *
|
||||
hb_face_get_empty (void);
|
||||
|
||||
hb_face_t *
|
||||
hb_face_reference (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_destroy (hb_face_t *face);
|
||||
|
||||
hb_bool_t
|
||||
hb_face_set_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key,
|
||||
void * data,
|
||||
hb_destroy_func_t destroy,
|
||||
hb_bool_t replace);
|
||||
|
||||
|
||||
void *
|
||||
hb_face_get_user_data (hb_face_t *face,
|
||||
hb_user_data_key_t *key);
|
||||
|
||||
void
|
||||
hb_face_make_immutable (hb_face_t *face);
|
||||
|
||||
hb_bool_t
|
||||
hb_face_is_immutable (hb_face_t *face);
|
||||
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_table (hb_face_t *face,
|
||||
hb_tag_t tag);
|
||||
|
||||
hb_blob_t *
|
||||
hb_face_reference_blob (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_index (hb_face_t *face,
|
||||
unsigned int index);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_index (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_upem (hb_face_t *face,
|
||||
unsigned int upem);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_upem (hb_face_t *face);
|
||||
|
||||
void
|
||||
hb_face_set_glyph_count (hb_face_t *face,
|
||||
unsigned int glyph_count);
|
||||
|
||||
unsigned int
|
||||
hb_face_get_glyph_count (hb_face_t *face);
|
||||
|
||||
|
||||
/*
|
||||
* hb_font_funcs_t
|
||||
|
||||
Loading…
Reference in New Issue
Block a user