freetypetextrender.hxx

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/* -*- 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 .
 */
 
#pragma once
 
#include <sal/config.h>
 
#include <textrender.hxx>
 
class FreetypeFontInstance;
 
// Generic implementation that uses freetype, but DrawTextLayout()
// still needs implementing (e.g. by Cairo or Skia).
class VCL_DLLPUBLIC FreeTypeTextRenderImpl : public TextRenderImpl
{
protected:
    rtl::Reference<FreetypeFontInstance>
                            mpFreetypeFont[ MAX_FALLBACK ];
 
    Color           mnTextColor;
 
public:
    FreeTypeTextRenderImpl();
    virtual ~FreeTypeTextRenderImpl() override;
 
    virtual void                SetTextColor( Color nColor ) override;
    virtual void                SetFont(LogicalFontInstance*, int nFallbackLevel) override;
    virtual void                GetFontMetric( FontMetricDataRef&, int nFallbackLevel ) override;
    virtual FontCharMapRef      GetFontCharMap() const override;
    virtual bool                GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
    virtual void                GetDevFontList( vcl::font::PhysicalFontCollection* ) override;
    virtual void                ClearDevFontCache() override;
    virtual bool                AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
 
    virtual std::unique_ptr<GenericSalLayout>
                                GetTextLayout(int nFallbackLevel) override;
};
 
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