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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 "GraphicExportFilter.hxx"
#include <vcl/graphicfilter.hxx>
#include <svl/outstrm.hxx>
#include <svtools/DocumentToGraphicRenderer.hxx>
GraphicExportFilter::GraphicExportFilter( const Reference<XComponentContext>& rxContext )
: mxContext(rxContext)
, mTargetWidth(0)
, mTargetHeight(0)
, mbSelectionOnly(false)
{}
GraphicExportFilter::~GraphicExportFilter()
{}
void GraphicExportFilter::gatherProperties( const Sequence<PropertyValue>& rProperties )
{
OUString aInternalFilterName;
for ( sal_Int32 i = 0; i < rProperties.getLength(); i++ )
{
PropertyValue aProperty = rProperties[i];
if ( aProperty.Name == "FilterName" )
{
aProperty.Value >>= aInternalFilterName;
aInternalFilterName = aInternalFilterName.replaceFirst("draw_", "");
aInternalFilterName = aInternalFilterName.replaceFirst("impress_", "");
aInternalFilterName = aInternalFilterName.replaceFirst("calc_", "");
aInternalFilterName = aInternalFilterName.replaceFirst("writer_", "");
aInternalFilterName = aInternalFilterName.replaceFirst("web_", "");
}
else if ( aProperty.Name == "FilterData" )
{
aProperty.Value >>= mFilterDataSequence;
}
else if ( aProperty.Name == "OutputStream" )
{
aProperty.Value >>= mxOutputStream;
}
else if ( aProperty.Name == "SelectionOnly" )
{
aProperty.Value >>= mbSelectionOnly;
}
}
for ( sal_Int32 i = 0; i < mFilterDataSequence.getLength(); i++ )
{
if ( mFilterDataSequence[i].Name == "PixelWidth" )
{
mFilterDataSequence[i].Value >>= mTargetWidth;
}
else if ( mFilterDataSequence[i].Name == "PixelHeight" )
{
mFilterDataSequence[i].Value >>= mTargetHeight;
}
else if ( mFilterDataSequence[i].Name == "Compression" )
{
maCompression = mFilterDataSequence[i].Value;
}
else if ( mFilterDataSequence[i].Name == "Interlaced" )
{
maInterlaced = mFilterDataSequence[i].Value;
}
else if ( mFilterDataSequence[i].Name == "Translucent" )
{
maTranslucent = mFilterDataSequence[i].Value;
}
else if ( mFilterDataSequence[i].Name == "Quality" )
{
maQuality = mFilterDataSequence[i].Value;
}
}
if ( !aInternalFilterName.isEmpty() )
{
GraphicFilter aGraphicFilter( true );
sal_uInt16 nFilterCount = aGraphicFilter.GetExportFormatCount();
sal_uInt16 nFormat;
for ( nFormat = 0; nFormat < nFilterCount; nFormat++ )
{
if ( aGraphicFilter.GetExportInternalFilterName( nFormat ) == aInternalFilterName )
break;
}
if ( nFormat < nFilterCount )
{
mFilterExtension = aGraphicFilter.GetExportFormatShortName( nFormat );
}
}
}
sal_Bool SAL_CALL GraphicExportFilter::filter( const Sequence<PropertyValue>& rDescriptor )
{
gatherProperties(rDescriptor);
DocumentToGraphicRenderer aRenderer( mxDocument, mbSelectionOnly );
sal_Int32 nCurrentPage = aRenderer.getCurrentPage();
Size aDocumentSizePixel = aRenderer.getDocumentSizeInPixels(nCurrentPage);
Size aTargetSizePixel(mTargetWidth, mTargetHeight);
if (mTargetWidth == 0 || mTargetHeight == 0)
aTargetSizePixel = aDocumentSizePixel;
Graphic aGraphic = aRenderer.renderToGraphic(nCurrentPage, aDocumentSizePixel, aTargetSizePixel, COL_WHITE);
GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
Sequence< PropertyValue > aFilterData( mFilterDataSequence );
sal_Int32 nAdd = 0;
if (!maCompression.hasValue())
++nAdd;
if (!maInterlaced.hasValue())
++nAdd;
if (!maTranslucent.hasValue())
++nAdd;
if (!maQuality.hasValue())
++nAdd;
if (nAdd)
{
sal_Int32 nLen = aFilterData.getLength();
aFilterData.realloc( nLen + nAdd);
if (!maCompression.hasValue())
{ // PNG
aFilterData[ nLen ].Name = "Compression";
aFilterData[ nLen ].Value <<= (sal_Int32) 9;
++nLen;
}
if (!maInterlaced.hasValue())
{ // PNG,GIF
aFilterData[ nLen ].Name = "Interlaced";
aFilterData[ nLen ].Value <<= (sal_Int32) 0;
++nLen;
}
if (!maTranslucent.hasValue())
{ // PNG,GIF
aFilterData[ nLen ].Name = "Translucent";
aFilterData[ nLen ].Value <<= (sal_Int32) 0;
++nLen;
}
if (!maQuality.hasValue())
{ // JPG
aFilterData[ nLen ].Name = "Quality";
aFilterData[ nLen ].Value <<= (sal_Int32) 99;
++nLen;
}
assert( nLen == aFilterData.getLength());
}
sal_uInt16 nFilterFormat = rFilter.GetExportFormatNumberForShortName( mFilterExtension );
SvMemoryStream aMemStream;
const GraphicConversionParameters aParameters(aTargetSizePixel, true, true);
const ErrCode nResult = rFilter.ExportGraphic( aGraphic.GetBitmapEx(aParameters), OUString(), aMemStream, nFilterFormat, &aFilterData );
if ( nResult == ERRCODE_NONE )
{
SvOutputStream aOutputStream( mxOutputStream );
aMemStream.Seek(0);
aOutputStream.WriteStream( aMemStream );
return true;
}
return false;
}
void SAL_CALL GraphicExportFilter::cancel( )
{
}
void SAL_CALL GraphicExportFilter::setSourceDocument( const Reference<XComponent>& xDocument )
{
mxDocument = xDocument;
}
void SAL_CALL GraphicExportFilter::initialize( const Sequence<Any>& )
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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