/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/*
 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
 *
 */

#ifndef __GLYPHPOSITIONINGTABLES_H
#define __GLYPHPOSITIONINGTABLES_H

/**
 * \file
 * \internal
 */

#include "LETypes.h"
#include "OpenTypeTables.h"
#include "Lookups.h"
#include "GlyphLookupTables.h"
#include "LETableReference.h"

U_NAMESPACE_BEGIN

class  LEFontInstance;
class  LEGlyphStorage;
class  LEGlyphFilter;
class  GlyphPositionAdjustments;
struct GlyphDefinitionTableHeader;

struct GlyphPositioningTableHeader : public GlyphLookupTableHeader
{
  void    process(const LEReferenceTo<GlyphPositioningTableHeader> &base, LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
                le_bool rightToLeft, LETag scriptTag, LETag languageTag,
                const LEReferenceTo<GlyphDefinitionTableHeader> &glyphDefinitionTableHeader, LEErrorCode &success,
                const LEFontInstance *fontInstance, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool featureOrder) const;
};

enum GlyphPositioningSubtableTypes
{
    gpstSingle          = 1,
    gpstPair            = 2,
    gpstCursive         = 3,
    gpstMarkToBase      = 4,
    gpstMarkToLigature  = 5,
    gpstMarkToMark      = 6,
    gpstContext         = 7,
    gpstChainedContext  = 8,
    gpstExtension       = 9
};

typedef LookupSubtable GlyphPositioningSubtable;

U_NAMESPACE_END
#endif
