JpegWriter.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 <vcl/bitmap.hxx>
#include <vcl/BitmapReadAccess.hxx>
#include <vcl/graph.hxx>
 
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>
 
class JPEGWriter final
{
    SvStream&           mrStream;
    Bitmap::ScopedReadAccess mpReadAccess;
    sal_uInt8*          mpBuffer;
    bool                mbNative;
    bool                mbGreys;
    sal_Int32           mnQuality;
    sal_Int32           maChromaSubsampling;
 
    bool*               mpExpWasGrey;
 
    css::uno::Reference< css::task::XStatusIndicator > mxStatusIndicator;
 
public:
    JPEGWriter( SvStream& rStream,
                const css::uno::Sequence< css::beans::PropertyValue >* pFilterData,
                bool* pExportWasGrey );
 
    void*       GetScanline( tools::Long nY );
    bool    Write( const Graphic& rGraphic );
 
};
 
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