/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_VCL_INC_COMMONSALLAYOUT_HXX
#define INCLUDED_VCL_INC_COMMONSALLAYOUT_HXX

#include <config_qt5.h>

#include <com/sun/star/i18n/XBreakIterator.hpp>

#ifdef _WIN32
#include "win/winlayout.hxx"

#elif defined(MACOSX) || defined(IOS)
#include "quartz/ctfonts.hxx"
#include <hb-coretext.h>

#else
#include "unx/freetype_glyphcache.hxx"
#endif

#include "sallayout.hxx"
#include <hb-icu.h>
#include <hb-ot.h>

#if ENABLE_QT5
class Qt5Font;
#endif

class VCL_DLLPUBLIC CommonSalLayout : public GenericSalLayout
{
    hb_font_t*              mpHbFont;
    const FontSelectPattern& mrFontSelData;
    css::uno::Reference<css::i18n::XBreakIterator> mxBreak;
#ifdef _WIN32
    HDC                     mhDC;
    HFONT                   mhFont;
    WinFontInstance&        mrWinFontInstance;
    double                  mnAveWidthFactor;
#elif defined(MACOSX) || defined(IOS)
    const CoreTextStyle&    mrCoreTextStyle;
#else
    FreetypeFont*           mpFreetypeFont;
#if ENABLE_QT5
    const bool              mbUseQt5;
    Qt5Font*                mpQFont;

    explicit                CommonSalLayout(const FontSelectPattern &rFSP,
                                            FreetypeFont *pFreetypeFont,
                                            Qt5Font *pFont, bool bUseQt5);
#endif
    void                    InitFromFreetypeFont();
#endif

    void                    ParseFeatures(const OUString& name);
    OString                 msLanguage;
    std::vector<hb_feature_t> maFeatures;

    void                    getScale(double* nXScale, double* nYScale);

    hb_set_t*               mpVertGlyphs;
    bool                    HasVerticalAlternate(sal_UCS4 aChar, sal_UCS4 aNextChar);

    void                    SetNeedFallback(ImplLayoutArgs&, sal_Int32, bool);

public:
#if defined(_WIN32)
    explicit                CommonSalLayout(HDC, WinFontInstance&, const WinFontFace&);
    const FontSelectPattern& getFontSelData() const { return mrFontSelData; }
    HFONT                   getHFONT() const { return mhFont; }
    WinFontInstance&        getWinFontInstance() const { return mrWinFontInstance; }
    bool                    hasHScale() const;
#elif defined(MACOSX) || defined(IOS)
    explicit                CommonSalLayout(const CoreTextStyle&);
    const CoreTextStyle&    getFontData() const { return mrCoreTextStyle; }
#else
    explicit                CommonSalLayout(FreetypeFont&);
    const FreetypeFont*     getFreetypeFont() const { return mpFreetypeFont; }
#if ENABLE_QT5
    explicit                CommonSalLayout(Qt5Font&);
    const Qt5Font*          getQt5Font() const { return mpQFont; }
    bool                    useQt5() const { return mbUseQt5; }
#endif
#endif

    virtual void            InitFont() const override;
    void                    AdjustLayout(ImplLayoutArgs&) final override;
    bool                    LayoutText(ImplLayoutArgs&) final override;
    void                    DrawText(SalGraphics&) const final override;
    std::shared_ptr<vcl::TextLayoutCache> CreateTextLayoutCache(OUString const&) const final override;

    bool                    GetCharWidths(DeviceCoordinate* pCharWidths) const final override;
    void                    ApplyDXArray(ImplLayoutArgs&) final override;

    bool                    IsKashidaPosValid(int nCharPos) const final override;
};

#endif // INCLUDED_VCL_INC_COMMONSALLAYOUT_HXX
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