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* Copyright (C) 1998-2004 David Turner and Werner Lemberg
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* Copyright (C) 2006 Behdad Esfahbod
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* This is part of HarfBuzz, an OpenType Layout engine library.
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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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* 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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* 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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#ifndef HARFBUZZ_OPEN_H
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#define HARFBUZZ_OPEN_H
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#include "harfbuzz-global.h"
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/* Use this if a feature applies to all glyphs */
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#define HB_ALL_GLYPHS 0xFFFF
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#define HB_DEFAULT_LANGUAGE 0xFFFF
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#define HB_MAX_NESTING_LEVEL 100
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/* Script list related structures */
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HB_UShort LookupOrderOffset; /* always 0 for TT Open 1.0 */
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HB_UShort ReqFeatureIndex; /* required FeatureIndex */
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HB_UShort FeatureCount; /* number of Feature indices */
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HB_UShort* FeatureIndex; /* array of Feature indices */
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typedef struct HB_LangSys_ HB_LangSys;
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struct HB_LangSysRecord_
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HB_UInt LangSysTag; /* LangSysTag identifier */
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HB_LangSys LangSys; /* LangSys table */
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typedef struct HB_LangSysRecord_ HB_LangSysRecord;
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struct HB_ScriptTable_
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HB_LangSys DefaultLangSys; /* DefaultLangSys table */
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HB_UShort LangSysCount; /* number of LangSysRecords */
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HB_LangSysRecord* LangSysRecord; /* array of LangSysRecords */
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typedef struct HB_ScriptTable_ HB_ScriptTable;
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struct HB_ScriptRecord_
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HB_UInt ScriptTag; /* ScriptTag identifier */
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HB_ScriptTable Script; /* Script table */
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typedef struct HB_ScriptRecord_ HB_ScriptRecord;
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HB_UShort ScriptCount; /* number of ScriptRecords */
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HB_ScriptRecord* ScriptRecord; /* array of ScriptRecords */
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typedef struct HB_ScriptList_ HB_ScriptList;
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/* Feature list related structures */
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HB_UShort FeatureParams; /* always 0 for TT Open 1.0 */
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HB_UShort LookupListCount; /* number of LookupList indices */
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HB_UShort* LookupListIndex; /* array of LookupList indices */
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typedef struct HB_Feature_ HB_Feature;
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struct HB_FeatureRecord_
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HB_UInt FeatureTag; /* FeatureTag identifier */
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HB_Feature Feature; /* Feature table */
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typedef struct HB_FeatureRecord_ HB_FeatureRecord;
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struct HB_FeatureList_
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HB_UShort FeatureCount; /* number of FeatureRecords */
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HB_FeatureRecord* FeatureRecord; /* array of FeatureRecords */
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HB_UShort* ApplyOrder; /* order to apply features */
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HB_UShort ApplyCount; /* number of elements in ApplyOrder */
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typedef struct HB_FeatureList_ HB_FeatureList;
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/* Lookup list related structures */
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typedef struct HB_SubTable_ HB_SubTable;
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HB_UShort LookupType; /* Lookup type */
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HB_UShort LookupFlag; /* Lookup qualifiers */
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HB_UShort SubTableCount; /* number of SubTables */
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HB_SubTable* SubTable; /* array of SubTables */
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typedef struct HB_Lookup_ HB_Lookup;
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/* The `Properties' field is not defined in the OpenType specification but
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is needed for processing lookups. If properties[n] is > 0, the
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functions HB_GSUB_Apply_String() resp. HB_GPOS_Apply_String() will
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process Lookup[n] for glyphs which have the specific bit not set in
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the `properties' field of the input string object. */
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struct HB_LookupList_
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HB_UShort LookupCount; /* number of Lookups */
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HB_Lookup* Lookup; /* array of Lookup records */
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HB_UInt* Properties; /* array of flags */
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typedef struct HB_LookupList_ HB_LookupList;
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/* Possible LookupFlag bit masks. `HB_LOOKUP_FLAG_IGNORE_SPECIAL_MARKS' comes from the
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OpenType 1.2 specification; HB_LOOKUP_FLAG_RIGHT_TO_LEFT has been (re)introduced in
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OpenType 1.3 -- if set, the last glyph in a cursive attachment
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sequence has to be positioned on the baseline -- regardless of the
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writing direction. */
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#define HB_LOOKUP_FLAG_RIGHT_TO_LEFT 0x0001
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#define HB_LOOKUP_FLAG_IGNORE_BASE_GLYPHS 0x0002
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#define HB_LOOKUP_FLAG_IGNORE_LIGATURES 0x0004
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#define HB_LOOKUP_FLAG_IGNORE_MARKS 0x0008
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#define HB_LOOKUP_FLAG_IGNORE_SPECIAL_MARKS 0xFF00
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struct HB_CoverageFormat1_
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HB_UShort GlyphCount; /* number of glyphs in GlyphArray */
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HB_UShort* GlyphArray; /* array of glyph IDs */
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typedef struct HB_CoverageFormat1_ HB_CoverageFormat1;
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struct HB_RangeRecord_
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HB_UShort Start; /* first glyph ID in the range */
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HB_UShort End; /* last glyph ID in the range */
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HB_UShort StartCoverageIndex; /* coverage index of first
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glyph ID in the range */
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typedef struct HB_RangeRecord_ HB_RangeRecord;
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struct HB_CoverageFormat2_
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HB_UShort RangeCount; /* number of RangeRecords */
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HB_RangeRecord* RangeRecord; /* array of RangeRecords */
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typedef struct HB_CoverageFormat2_ HB_CoverageFormat2;
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HB_UShort CoverageFormat; /* 1 or 2 */
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HB_CoverageFormat1 cf1;
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HB_CoverageFormat2 cf2;
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typedef struct HB_Coverage_ HB_Coverage;
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struct HB_ClassDefFormat1_
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HB_UShort StartGlyph; /* first glyph ID of the
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HB_UShort GlyphCount; /* size of the ClassValueArray */
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HB_UShort* ClassValueArray; /* array of class values */
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typedef struct HB_ClassDefFormat1_ HB_ClassDefFormat1;
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struct HB_ClassRangeRecord_
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HB_UShort Start; /* first glyph ID in the range */
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HB_UShort End; /* last glyph ID in the range */
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HB_UShort Class; /* applied to all glyphs in range */
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typedef struct HB_ClassRangeRecord_ HB_ClassRangeRecord;
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struct HB_ClassDefFormat2_
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HB_UShort ClassRangeCount;
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/* number of ClassRangeRecords */
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HB_ClassRangeRecord* ClassRangeRecord;
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/* array of ClassRangeRecords */
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typedef struct HB_ClassDefFormat2_ HB_ClassDefFormat2;
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struct HB_ClassDefinition_
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HB_UShort ClassFormat; /* 1 or 2 */
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HB_ClassDefFormat1 cd1;
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HB_ClassDefFormat2 cd2;
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typedef struct HB_ClassDefinition_ HB_ClassDefinition;
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HB_UShort StartSize; /* smallest size to correct */
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HB_UShort EndSize; /* largest size to correct */
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HB_UShort DeltaFormat; /* DeltaValue array data format:
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HB_UShort* DeltaValue; /* array of compressed data */
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typedef struct HB_Device_ HB_Device;
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typedef enum HB_Type_ HB_Type;
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#endif /* HARFBUZZ_OPEN_H */
added
removed
pango/opentype/harfbuzz-open.h
