/* -*- 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 .

 */

#include <sal/config.h>

#include <osl/diagnose.h>

#include <vcl/bitmap.hxx>

#include <vcl/dibtools.hxx>

#include <tools/stream.hxx>

#include "spritedevicehelper.hxx"

#include "impltools.hxx"

using namespace ::com::sun::star;

namespace vclcanvas

{

    SpriteDeviceHelper::SpriteDeviceHelper()

    {

    }

    void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )

    {

        DeviceHelper::init(pOutDev);

        // setup back buffer

        OutputDevice& rOutDev( pOutDev->getOutDev() );

        mpBackBuffer = std::make_shared<BackBuffer>( rOutDev );

        mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );

        vclcanvastools::SetDefaultDeviceAntiAliasing( &mpBackBuffer->getOutDev());

    }

    bool SpriteDeviceHelper::showBuffer( bool, bool )

    {

        OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");

        return false;

    }

    bool SpriteDeviceHelper::switchBuffer( bool, bool )

    {

        OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");

        return false;

    }

    void SpriteDeviceHelper::disposing()

    {

        // release all references

        mpBackBuffer.reset();

        DeviceHelper::disposing();

    }

    uno::Any SpriteDeviceHelper::isAccelerated() const

    {

        return DeviceHelper::isAccelerated();

    }

    uno::Any SpriteDeviceHelper::getDeviceHandle() const

    {

        return DeviceHelper::getDeviceHandle();

    }

    uno::Any SpriteDeviceHelper::getSurfaceHandle() const

    {

        if( !mpBackBuffer )

            return uno::Any();

        return uno::Any(

            reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );

    }

    void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )

    {

        if( mpBackBuffer )

            mpBackBuffer->setSize( ::Size(rBounds.Width,

                                          rBounds.Height) );

    }

    void SpriteDeviceHelper::dumpScreenContent() const

    {

        DeviceHelper::dumpScreenContent();

        static sal_Int32 nFilePostfixCount(0);

        if( mpBackBuffer )

        {

            OUString aFilename = "dbg_backbuffer" + OUString::number(nFilePostfixCount) + ".bmp";

            SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );

            const ::Point aEmptyPoint;

            mpBackBuffer->getOutDev().EnableMapMode( false );

            mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::Enable );

            WriteDIB(mpBackBuffer->getOutDev().GetBitmap(aEmptyPoint, mpBackBuffer->getOutDev().GetOutputSizePixel()), aStream, false);

        }

        ++nFilePostfixCount;

    }

}

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