/* -*- 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/.

 *

 */

#pragma once

#include <vcl/font/Feature.hxx>

#include <hb.h>

#include <i18nlangtag/languagetag.hxx>

#include <font/PhysicalFontFace.hxx>

namespace vcl::font

{

class FeatureCollector

{

private:

    const PhysicalFontFace* m_pFace;

    hb_face_t* m_pHbFace;

    std::vector<vcl::font::Feature>& m_rFontFeatures;

    const LanguageTag& m_rLanguageTag;

public:

    FeatureCollector(const PhysicalFontFace* pFace, std::vector<vcl::font::Feature>& rFontFeatures,

                     const LanguageTag& rLanguageTag)

        : m_pFace(pFace)

        , m_pHbFace(pFace->GetHbFace())

        , m_rFontFeatures(rFontFeatures)

        , m_rLanguageTag(rLanguageTag)

    {

    }

private:

    void collectForTable(hb_tag_t aTableTag);

    bool collectGraphite();

public:

    bool collect();

};

} // namespace vcl::font

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