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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 .
*/
#ifndef INCLUDED_VCL_SOURCE_FILTER_JPEG_JPEGREADER_HXX
#define INCLUDED_VCL_SOURCE_FILTER_JPEG_JPEGREADER_HXX
#include <vcl/graph.hxx>
#include <vcl/fltcall.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>
enum ReadState
{
JPEGREAD_OK,
JPEGREAD_ERROR,
JPEGREAD_NEED_MORE
};
struct JPEGCreateBitmapParam
{
unsigned long nWidth;
unsigned long nHeight;
unsigned long density_unit;
unsigned long X_density;
unsigned long Y_density;
long bGray;
long nAlignedWidth; // these members will be filled by the
bool bTopDown; // CreateBitmap method in svtools
};
class JPEGReader : public GraphicReader
{
SvStream& mrStream;
Bitmap maBmp;
Bitmap maBmp1;
BitmapWriteAccess* mpAcc;
BitmapWriteAccess* mpAcc1;
unsigned char * mpBuffer;
long mnLastPos;
long mnFormerPos;
long mnLastLines;
bool mbSetLogSize;
Graphic CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines );
void FillBitmap();
public:
JPEGReader( SvStream& rStream, void* pCallData, bool bSetLogSize );
virtual ~JPEGReader();
ReadState Read( Graphic& rGraphic );
unsigned char * CreateBitmap( JPEGCreateBitmapParam& param );
};
#endif // INCLUDED_VCL_SOURCE_FILTER_JPEG_JPEGREADER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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