--- /dev/null
+/*
+ * 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 */
projects / platform / upstream / libHarfBuzzSharp.git / commitdiff