[otlayout] Add structs for JSTF table
This commit is contained in:
Behdad Esfahbod
parent
70303cf23b
commit
6c48f20eea
|
|
@ -83,6 +83,7 @@ HBSOURCES += \
|
|||
hb-ot-layout-gpos-table.hh \
|
||||
hb-ot-layout-gsubgpos-private.hh \
|
||||
hb-ot-layout-gsub-table.hh \
|
||||
hb-ot-layout-jstf-table.hh \
|
||||
hb-ot-layout-private.hh \
|
||||
hb-ot-map.cc \
|
||||
hb-ot-map-private.hh \
|
||||
|
|
|
|||
|
|
@ -43,7 +43,7 @@ namespace OT {
|
|||
|
||||
struct head
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_head;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_head;
|
||||
|
||||
inline unsigned int get_upem (void) const {
|
||||
unsigned int upem = unitsPerEm;
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ namespace OT {
|
|||
|
||||
struct hhea
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_hhea;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_hhea;
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c) {
|
||||
TRACE_SANITIZE (this);
|
||||
|
|
|
|||
|
|
@ -50,7 +50,7 @@ struct LongHorMetric
|
|||
|
||||
struct hmtx
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_hmtx;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_hmtx;
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c) {
|
||||
TRACE_SANITIZE (this);
|
||||
|
|
|
|||
|
|
@ -324,7 +324,7 @@ struct MarkGlyphSets
|
|||
|
||||
struct GDEF
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_GDEF;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_GDEF;
|
||||
|
||||
enum GlyphClasses {
|
||||
UnclassifiedGlyph = 0,
|
||||
|
|
|
|||
|
|
@ -1505,7 +1505,7 @@ typedef OffsetListOf<PosLookup> PosLookupList;
|
|||
|
||||
struct GPOS : GSUBGPOS
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_GPOS;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_GPOS;
|
||||
|
||||
inline const PosLookup& get_lookup (unsigned int i) const
|
||||
{ return CastR<PosLookup> (GSUBGPOS::get_lookup (i)); }
|
||||
|
|
|
|||
|
|
@ -1351,7 +1351,7 @@ typedef OffsetListOf<SubstLookup> SubstLookupList;
|
|||
|
||||
struct GSUB : GSUBGPOS
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_GSUB;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_GSUB;
|
||||
|
||||
inline const SubstLookup& get_lookup (unsigned int i) const
|
||||
{ return CastR<SubstLookup> (GSUBGPOS::get_lookup (i)); }
|
||||
|
|
|
|||
|
|
@ -0,0 +1,229 @@
|
|||
/*
|
||||
* Copyright © 2013 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_LAYOUT_JSTF_TABLE_HH
|
||||
#define HB_OT_LAYOUT_JSTF_TABLE_HH
|
||||
|
||||
#include "hb-open-type-private.hh"
|
||||
#include "hb-ot-layout-gpos-table.hh"
|
||||
|
||||
|
||||
namespace OT {
|
||||
|
||||
|
||||
/*
|
||||
* JstfModList -- Justification Modification List Tables
|
||||
*/
|
||||
|
||||
typedef IndexArray JstfModList;
|
||||
|
||||
|
||||
/*
|
||||
* JstfMax -- Justification Maximum Table
|
||||
*/
|
||||
|
||||
typedef OffsetListOf<PosLookup> JstfMax;
|
||||
|
||||
|
||||
/*
|
||||
* JstfPriority -- Justification Priority Table
|
||||
*/
|
||||
|
||||
struct JstfPriority
|
||||
{
|
||||
inline bool sanitize (hb_sanitize_context_t *c) {
|
||||
TRACE_SANITIZE (this);
|
||||
return TRACE_RETURN (c->check_struct (this) &&
|
||||
shrinkageEnableGSUB.sanitize (c, this) &&
|
||||
shrinkageDisableGSUB.sanitize (c, this) &&
|
||||
shrinkageEnableGPOS.sanitize (c, this) &&
|
||||
shrinkageDisableGPOS.sanitize (c, this) &&
|
||||
shrinkageJstfMax.sanitize (c, this) &&
|
||||
extensionEnableGSUB.sanitize (c, this) &&
|
||||
extensionDisableGSUB.sanitize (c, this) &&
|
||||
extensionEnableGPOS.sanitize (c, this) &&
|
||||
extensionDisableGPOS.sanitize (c, this) &&
|
||||
extensionJstfMax.sanitize (c, this));
|
||||
}
|
||||
|
||||
protected:
|
||||
OffsetTo<JstfModList>
|
||||
shrinkageEnableGSUB; /* Offset to Shrinkage Enable GSUB
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
shrinkageDisableGSUB; /* Offset to Shrinkage Disable GSUB
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
shrinkageEnableGPOS; /* Offset to Shrinkage Enable GPOS
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
shrinkageDisableGPOS; /* Offset to Shrinkage Disable GPOS
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfMax>
|
||||
shrinkageJstfMax; /* Offset to Shrinkage JstfMax table--
|
||||
* from beginning of JstfPriority table
|
||||
* --may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
extensionEnableGSUB; /* Offset to Extension Enable GSUB
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
extensionDisableGSUB; /* Offset to Extension Disable GSUB
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
extensionEnableGPOS; /* Offset to Extension Enable GPOS
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfModList>
|
||||
extensionDisableGPOS; /* Offset to Extension Disable GPOS
|
||||
* JstfModList table--from beginning of
|
||||
* JstfPriority table--may be NULL */
|
||||
OffsetTo<JstfMax>
|
||||
extensionJstfMax; /* Offset to Extension JstfMax table--
|
||||
* from beginning of JstfPriority table
|
||||
* --may be NULL */
|
||||
|
||||
public:
|
||||
DEFINE_SIZE_STATIC (20);
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* JstfLangSys -- Justification Language System Table
|
||||
*/
|
||||
|
||||
struct JstfLangSys : OffsetListOf<JstfPriority>
|
||||
{
|
||||
inline bool sanitize (hb_sanitize_context_t *c,
|
||||
const Record<JstfLangSys>::sanitize_closure_t * = NULL) {
|
||||
TRACE_SANITIZE (this);
|
||||
return TRACE_RETURN (OffsetListOf<JstfPriority>::sanitize (c));
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* ExtenderGlyphs -- Extender Glyph Table
|
||||
*/
|
||||
|
||||
typedef SortedArrayOf<GlyphID> ExtenderGlyphs;
|
||||
|
||||
|
||||
/*
|
||||
* JstfScript -- The Justification Table
|
||||
*/
|
||||
|
||||
struct JstfScript
|
||||
{
|
||||
inline unsigned int get_lang_sys_count (void) const
|
||||
{ return langSys.len; }
|
||||
inline const Tag& get_lang_sys_tag (unsigned int i) const
|
||||
{ return langSys.get_tag (i); }
|
||||
inline unsigned int get_lang_sys_tags (unsigned int start_offset,
|
||||
unsigned int *lang_sys_count /* IN/OUT */,
|
||||
hb_tag_t *lang_sys_tags /* OUT */) const
|
||||
{ return langSys.get_tags (start_offset, lang_sys_count, lang_sys_tags); }
|
||||
inline const JstfLangSys& get_lang_sys (unsigned int i) const
|
||||
{
|
||||
if (i == Index::NOT_FOUND_INDEX) return get_default_lang_sys ();
|
||||
return this+langSys[i].offset;
|
||||
}
|
||||
inline bool find_lang_sys_index (hb_tag_t tag, unsigned int *index) const
|
||||
{ return langSys.find_index (tag, index); }
|
||||
|
||||
inline bool has_default_lang_sys (void) const { return defaultLangSys != 0; }
|
||||
inline const JstfLangSys& get_default_lang_sys (void) const { return this+defaultLangSys; }
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c,
|
||||
const Record<JstfScript>::sanitize_closure_t * = NULL) {
|
||||
TRACE_SANITIZE (this);
|
||||
return TRACE_RETURN (extenderGlyphs.sanitize (c, this) &&
|
||||
defaultLangSys.sanitize (c, this) &&
|
||||
langSys.sanitize (c, this));
|
||||
}
|
||||
|
||||
protected:
|
||||
OffsetTo<ExtenderGlyphs>
|
||||
extenderGlyphs; /* Offset to ExtenderGlyph table--from beginning
|
||||
* of JstfScript table-may be NULL */
|
||||
OffsetTo<JstfLangSys>
|
||||
defaultLangSys; /* Offset to DefaultJstfLangSys table--from
|
||||
* beginning of JstfScript table--may be Null */
|
||||
RecordArrayOf<JstfLangSys>
|
||||
langSys; /* Array of JstfLangSysRecords--listed
|
||||
* alphabetically by LangSysTag */
|
||||
public:
|
||||
DEFINE_SIZE_ARRAY (6, langSys);
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* JSTF -- The Justification Table
|
||||
*/
|
||||
|
||||
struct JSTF
|
||||
{
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_JSTF;
|
||||
|
||||
inline unsigned int get_script_count (void) const
|
||||
{ return scriptList.len; }
|
||||
inline const Tag& get_script_tag (unsigned int i) const
|
||||
{ return scriptList.get_tag (i); }
|
||||
inline unsigned int get_script_tags (unsigned int start_offset,
|
||||
unsigned int *script_count /* IN/OUT */,
|
||||
hb_tag_t *script_tags /* OUT */) const
|
||||
{ return scriptList.get_tags (start_offset, script_count, script_tags); }
|
||||
inline const JstfScript& get_script (unsigned int i) const
|
||||
{ return this+scriptList[i].offset; }
|
||||
inline bool find_script_index (hb_tag_t tag, unsigned int *index) const
|
||||
{ return scriptList.find_index (tag, index); }
|
||||
|
||||
inline bool sanitize (hb_sanitize_context_t *c) {
|
||||
TRACE_SANITIZE (this);
|
||||
return TRACE_RETURN (version.sanitize (c) && likely (version.major == 1) &&
|
||||
scriptList.sanitize (c, this));
|
||||
}
|
||||
|
||||
protected:
|
||||
FixedVersion version; /* Version of the JSTF table--initially set
|
||||
* to 0x00010000 */
|
||||
RecordArrayOf<JstfScript>
|
||||
scriptList; /* Array of JstfScripts--listed
|
||||
* alphabetically by ScriptTag */
|
||||
public:
|
||||
DEFINE_SIZE_ARRAY (6, scriptList);
|
||||
};
|
||||
|
||||
|
||||
} /* namespace OT */
|
||||
|
||||
|
||||
#endif /* HB_OT_LAYOUT_JSTF_TABLE_HH */
|
||||
|
|
@ -33,6 +33,7 @@
|
|||
#include "hb-ot-layout-gdef-table.hh"
|
||||
#include "hb-ot-layout-gsub-table.hh"
|
||||
#include "hb-ot-layout-gpos-table.hh"
|
||||
#include "hb-ot-layout-jstf-table.hh"
|
||||
|
||||
#include "hb-ot-map-private.hh"
|
||||
|
||||
|
|
|
|||
|
|
@ -41,6 +41,7 @@ HB_BEGIN_DECLS
|
|||
#define HB_OT_TAG_GDEF HB_TAG('G','D','E','F')
|
||||
#define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
|
||||
#define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
|
||||
#define HB_OT_TAG_JSTF HB_TAG('J','S','T','F')
|
||||
|
||||
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@ namespace OT {
|
|||
|
||||
struct maxp
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_maxp;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_maxp;
|
||||
|
||||
inline unsigned int get_num_glyphs (void) const {
|
||||
return numGlyphs;
|
||||
|
|
|
|||
|
|
@ -74,7 +74,7 @@ struct NameRecord
|
|||
|
||||
struct name
|
||||
{
|
||||
static const hb_tag_t Tag = HB_OT_TAG_name;
|
||||
static const hb_tag_t tableTag = HB_OT_TAG_name;
|
||||
|
||||
inline unsigned int get_name (unsigned int platform_id,
|
||||
unsigned int encoding_id,
|
||||
|
|
|
|||
|
|
@ -170,7 +170,7 @@ main (int argc, char **argv)
|
|||
}
|
||||
break;
|
||||
|
||||
case GDEF::Tag:
|
||||
case GDEF::tableTag:
|
||||
{
|
||||
|
||||
const GDEF &gdef = *CastP<GDEF> (font_data + table.offset);
|
||||
|
|
|
|||
Loading…
Reference in New Issue