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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 .
*/
#include "JpegReader.hxx"
#include "JpegWriter.hxx"
#include "jpeg.hxx"
#include <vcl/bitmapaccess.hxx>
#include <vcl/FilterConfigItem.hxx>
#include <vcl/graphicfilter.hxx>
VCL_DLLPUBLIC bool ImportJPEG( SvStream& rInputStream, Graphic& rGraphic, GraphicFilterImportFlags nImportFlags, Bitmap::ScopedWriteAccess* ppAccess )
{
bool bReturn = true;
std::shared_ptr<GraphicReader> pContext = rGraphic.GetContext();
rGraphic.SetContext(nullptr);
JPEGReader* pJPEGReader = dynamic_cast<JPEGReader*>( pContext.get() );
if (!pJPEGReader)
{
pContext = std::make_shared<JPEGReader>( rInputStream, nImportFlags );
pJPEGReader = static_cast<JPEGReader*>( pContext.get() );
}
if( nImportFlags & GraphicFilterImportFlags::ForPreview )
{
pJPEGReader->SetPreviewSize( Size(128,128) );
}
else
{
pJPEGReader->DisablePreviewMode();
}
ReadState eReadState = pJPEGReader->Read( rGraphic, nImportFlags, ppAccess );
if( eReadState == JPEGREAD_ERROR )
{
bReturn = false;
}
else if( eReadState == JPEGREAD_NEED_MORE )
{
rGraphic.SetContext( pContext );
}
return bReturn;
}
bool ExportJPEG(SvStream& rOutputStream, const Graphic& rGraphic,
const css::uno::Sequence<css::beans::PropertyValue>* pFilterData,
bool* pExportWasGrey)
{
JPEGWriter aJPEGWriter( rOutputStream, pFilterData, pExportWasGrey );
bool bReturn = aJPEGWriter.Write( rGraphic );
return bReturn;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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