/* -*- 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 <salvd.hxx>

#include <basegfx/vector/b2ivector.hxx>

#include <vector>

class SvpSalGraphics;

typedef struct _cairo_surface cairo_surface_t;

class VCL_DLLPUBLIC SvpSalVirtualDevice : public SalVirtualDevice

{

    cairo_surface_t*                    m_pRefSurface;

    cairo_surface_t*                    m_pSurface;

    bool                                m_bOwnsSurface; // nearly always true, except for edge case of tdf#127529

    basegfx::B2IVector                  m_aFrameSize;

    std::vector< SvpSalGraphics* >      m_aGraphics;

    bool CreateSurface(tools::Long nNewDX, tools::Long nNewDY, sal_uInt8 *const pBuffer);

    bool CreateSurface(tools::Long nNewDX, tools::Long nNewDY, bool bAlphaMaskTransparent = false);

protected:

    SvpSalGraphics* AddGraphics(SvpSalGraphics* aGraphics);

public:

    SvpSalVirtualDevice(cairo_surface_t* pRefSurface, cairo_surface_t* pPreExistingTarget);

    virtual ~SvpSalVirtualDevice() override;

    // SalVirtualDevice

    virtual SalGraphics*    AcquireGraphics() override;

    virtual void            ReleaseGraphics( SalGraphics* pGraphics ) override;

    virtual bool        SetSize( tools::Long nNewDX, tools::Long nNewDY, bool bAlphaMaskTransparent ) override;

    virtual bool        SetSizeUsingBuffer( tools::Long nNewDX, tools::Long nNewDY,

                                            sal_uInt8 * pBuffer) override;

    cairo_surface_t* GetSurface() const { return m_pSurface; }

    // SalGeometryProvider

    virtual tools::Long GetWidth() const override;

    virtual tools::Long GetHeight() const override;

};

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