/* -*- 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 <basegfx/vector/b2ivector.hxx>
#include <basegfx/range/b2irectangle.hxx>
#include <rendering/irendermodule.hxx>
#include <memory>
#include "dx_winstuff.hxx"

namespace vcl { class Window; }
namespace basegfx
{
    class B2IRange;
}

namespace dxcanvas
{
    /// Specialization of IRenderModule for DirectX
    struct IDXRenderModule : public canvas::IRenderModule
    {
        /** Flip front- and backbuffer, update only given area

            Note: Both update area and offset are ignored for
            fullscreen canvas, that uses page flipping (cannot, by
            definition, do anything else there except displaying the
            full backbuffer instead of the front buffer)

            @param rUpdateArea
            Area to copy from backbuffer to front

            @param rCurrWindowArea
            Current area of VCL window (coordinates relative to VCL
            HWND)
         */
        virtual bool flip( const ::basegfx::B2IRectangle& rUpdateArea,
                           const ::basegfx::B2IRectangle& rCurrWindowArea ) = 0;

        /** Resize backbuffer area for this render module
         */
        virtual void resize( const ::basegfx::B2IRange& rect ) = 0;

        /// Write a snapshot of the screen to disk
        virtual void screenShot() = 0;

        virtual sal::systools::COMReference<surface_type>
            createSystemMemorySurface(
                const ::basegfx::B2ISize& rSize) = 0;

        virtual void disposing() = 0;
        virtual HWND getHWND() const = 0;
    };

    typedef std::shared_ptr< IDXRenderModule > IDXRenderModuleSharedPtr;


    /** Factory method, to create an IRenderModule instance for the
        given VCL window instance
     */
    IDXRenderModuleSharedPtr createRenderModule( const vcl::Window& rParent );
}

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