/* -*- 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 <XPropertyTable.hxx>

#include <osl/diagnose.h>

#include <vcl/virdev.hxx>

#include <svx/xtable.hxx>

#include <vcl/bitmapex.hxx>

#include <vcl/settings.hxx>

#include <vcl/svapp.hxx>

using namespace com::sun::star;

XBitmapEntry* XBitmapList::GetBitmap(tools::Long nIndex) const

{

    return static_cast<XBitmapEntry*>( XPropertyList::Get(nIndex) );

}

uno::Reference< container::XNameContainer > XBitmapList::createInstance()

{

    return SvxUnoXBitmapTable_createInstance( *this );

}

bool XBitmapList::Create()

{

    return true;

}

BitmapEx XBitmapList::CreateBitmap( tools::Long nIndex, const Size& rSize ) const

{

    OSL_ENSURE( nIndex < Count(), "Access out of range" );

    if(nIndex < Count())

    {

        BitmapEx rBitmapEx = GetBitmap( nIndex )->GetGraphicObject().GetGraphic().GetBitmapEx();

        ScopedVclPtrInstance< VirtualDevice > pVirtualDevice;

        pVirtualDevice->SetOutputSizePixel(rSize);

        if(rBitmapEx.IsAlpha())

        {

            const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();

            if(rStyleSettings.GetPreviewUsesCheckeredBackground())

            {

                const Point aNull(0, 0);

                static const sal_uInt32 nLen(8);

                static const Color aW(COL_WHITE);

                static const Color aG(0xef, 0xef, 0xef);

                pVirtualDevice->DrawCheckered(aNull, rSize, nLen, aW, aG);

            }

            else

            {

                pVirtualDevice->SetBackground(rStyleSettings.GetFieldColor());

                pVirtualDevice->Erase();

            }

        }

        if(rBitmapEx.GetSizePixel().Width() >= rSize.Width() && rBitmapEx.GetSizePixel().Height() >= rSize.Height())

        {

            rBitmapEx.Scale(rSize);

            pVirtualDevice->DrawBitmapEx(Point(0, 0), rBitmapEx);

        }

        else

        {

            const Size aBitmapSize(rBitmapEx.GetSizePixel());

            for(tools::Long y(0); y < rSize.Height(); y += aBitmapSize.Height())

            {

                for(tools::Long x(0); x < rSize.Width(); x += aBitmapSize.Width())

                {

                    pVirtualDevice->DrawBitmapEx(

                        Point(x, y),

                        rBitmapEx);

                }

            }

        }

        rBitmapEx = pVirtualDevice->GetBitmapEx(Point(0, 0), rSize);

        return rBitmapEx;

    }

    else

        return BitmapEx();

}

BitmapEx XBitmapList::CreateBitmapForUI( tools::Long nIndex )

{

    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();

    const Size& rSize = rStyleSettings.GetListBoxPreviewDefaultPixelSize();

    return CreateBitmap(nIndex, rSize);

}

BitmapEx XBitmapList::GetBitmapForPreview( tools::Long nIndex, const Size& rSize )

{

    return CreateBitmap(nIndex, rSize);

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */