141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <xmloff/xmlmultiimagehelper.hxx>
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#include <rtl/ustring.hxx>
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//////////////////////////////////////////////////////////////////////////////
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using namespace ::com::sun::star;
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//////////////////////////////////////////////////////////////////////////////
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namespace
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{
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sal_uInt32 getQualityIndex(const rtl::OUString& rString)
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{
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sal_uInt32 nRetval(0);
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// pixel formats first
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if(rString.endsWithAsciiL(".bmp", 4))
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{
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return 10;
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}
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if(rString.endsWithAsciiL(".gif", 4))
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{
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return 20;
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}
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if(rString.endsWithAsciiL(".jpg", 4))
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{
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return 30;
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}
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if(rString.endsWithAsciiL(".png", 4))
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{
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return 40;
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}
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// vector formats, prefer always
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if(rString.endsWithAsciiL(".svm", 4))
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{
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return 1000;
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}
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if(rString.endsWithAsciiL(".wmf", 4))
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{
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return 1010;
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}
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if(rString.endsWithAsciiL(".emf", 4))
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{
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return 1020;
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}
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else if(rString.endsWithAsciiL(".svg", 4))
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{
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return 1030;
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}
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return nRetval;
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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multiImageImportHelper::multiImageImportHelper()
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: maImplContextVector(),
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mbSupportsMultipleContents(false)
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{
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}
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multiImageImportHelper::~multiImageImportHelper()
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{
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while(!maImplContextVector.empty())
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{
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delete *(maImplContextVector.end() - 1);
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maImplContextVector.pop_back();
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}
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}
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void multiImageImportHelper::solveMultipleImages()
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{
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if(maImplContextVector.size() > 1)
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{
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// multiple child contexts were imported, decide which is the most valuable one
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// and remove the rest
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sal_uInt32 nIndexOfPreferred(maImplContextVector.size());
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sal_uInt32 nBestQuality(0), a(0);
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for(a = 0; a < maImplContextVector.size(); a++)
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{
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const rtl::OUString aStreamURL(getGraphicURLFromImportContext(**maImplContextVector[a]));
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const sal_uInt32 nNewQuality(getQualityIndex(aStreamURL));
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if(nNewQuality > nBestQuality)
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{
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nBestQuality = nNewQuality;
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nIndexOfPreferred = a;
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}
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}
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// correct if needed, default is to use the last entry
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if(nIndexOfPreferred >= maImplContextVector.size())
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{
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nIndexOfPreferred = maImplContextVector.size() - 1;
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}
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// Take out the most valuable one
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const std::vector< SvXMLImportContextRef* >::iterator aRemove(maImplContextVector.begin() + nIndexOfPreferred);
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delete *aRemove;
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maImplContextVector.erase(aRemove);
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// remove the rest from parent
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for(a = 0; a < maImplContextVector.size(); a++)
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{
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removeGraphicFromImportContext(**maImplContextVector[a]);
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}
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}
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}
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void multiImageImportHelper::addContent(const SvXMLImportContext& rSvXMLImportContext)
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{
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if(dynamic_cast< const SvXMLImportContext* >(&rSvXMLImportContext))
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{
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maImplContextVector.push_back(new SvXMLImportContextRef(const_cast< SvXMLImportContext* >(&rSvXMLImportContext)));
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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