Gabor Kelemen
0a42ddbdf1
Change-Id: I49e39d669ba77a99b77322275d2e54e211da5b11 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/199386 Tested-by: Jenkins Reviewed-by: Gabor Kelemen <gabor.kelemen@collabora.com>
137 lines
6.2 KiB
C++
137 lines
6.2 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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#pragma once
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#include <comphelper/compbase.hxx>
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#include <vcl/graph.hxx>
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#include <string_view>
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#include <vector>
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#include <unordered_map>
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#include <utility>
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#include <com/sun/star/document/XGraphicObjectResolver.hpp>
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#include <com/sun/star/document/XGraphicStorageHandler.hpp>
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#include <com/sun/star/document/XBinaryStreamResolver.hpp>
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#include <xmloff/dllapi.h>
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namespace com::sun::star::embed { class XStorage; }
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namespace com::sun::star::io { class XStream; }
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namespace rtl { template <class reference_type> class Reference; }
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enum class SvXMLGraphicHelperMode
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{
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Read, Write
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};
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struct SvxGraphicHelperStream_Impl
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{
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css::uno::Reference < css::embed::XStorage > xStorage;
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css::uno::Reference < css::io::XStream > xStream;
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};
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class XMLOFF_DLLPUBLIC SvXMLGraphicHelper final :
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public comphelper::WeakComponentImplHelper<css::document::XGraphicObjectResolver,
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css::document::XGraphicStorageHandler,
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css::document::XBinaryStreamResolver>
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{
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private:
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css::uno::Reference < css::embed::XStorage > mxRootStorage;
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OUString maCurStorageName;
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std::vector< css::uno::Reference< css::io::XOutputStream > >
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maGrfStms;
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std::unordered_map<OUString, std::vector<css::uno::Reference<css::graphic::XGraphic>>>
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maGraphicObjects;
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std::unordered_map<Graphic, std::pair<OUString, OUString>> maExportGraphics;
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SvXMLGraphicHelperMode meCreateMode;
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OUString maOutputMimeType;
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SAL_DLLPRIVATE static bool ImplGetStreamNames( const OUString& rURLStr,
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OUString& rPictureStorageName,
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OUString& rPictureStreamName );
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SAL_DLLPRIVATE css::uno::Reference < css::embed::XStorage >
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ImplGetGraphicStorage( const OUString& rPictureStorageName );
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SAL_DLLPRIVATE SvxGraphicHelperStream_Impl
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ImplGetGraphicStream( const OUString& rPictureStorageName,
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const OUString& rPictureStreamName );
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SAL_DLLPRIVATE static OUString ImplGetGraphicMimeType( std::u16string_view rFileName );
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SAL_DLLPRIVATE Graphic ImplReadGraphic(const OUString& rPictureStorageName,
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const OUString& rPictureStreamName,
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sal_Int32 nPage = -1);
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SvXMLGraphicHelper();
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virtual ~SvXMLGraphicHelper() override;
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void Init( const css::uno::Reference < css::embed::XStorage >& xXMLStorage,
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SvXMLGraphicHelperMode eCreateMode,
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const OUString& rGraphicMimeType = OUString() );
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SAL_DLLPRIVATE OUString implSaveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic,
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OUString & rOutMimeType,
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std::u16string_view rRequestName);
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public:
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SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode );
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static rtl::Reference<SvXMLGraphicHelper> Create( const css::uno::Reference < css::embed::XStorage >& rXMLStorage,
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SvXMLGraphicHelperMode eCreateMode );
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static rtl::Reference<SvXMLGraphicHelper> Create( SvXMLGraphicHelperMode eCreateMode,
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const OUString& rMimeType = OUString() );
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static void splitObjectURL(const OUString& aURLNoPar,
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OUString& rContainerStorageName,
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OUString& rObjectStorageName);
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public:
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// XGraphicObjectResolver
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virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) override;
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// XGraphicStorageHandler
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virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL
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loadGraphic(OUString const & aURL) override;
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virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL
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loadGraphicFromOutputStream(css::uno::Reference<css::io::XOutputStream> const & rxOutputStream) override;
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virtual OUString SAL_CALL
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saveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override;
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virtual OUString SAL_CALL
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saveGraphicByName(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic, OUString & rOutSavedMimeType, OUString const & rRequestName) override;
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virtual css::uno::Reference<css::io::XInputStream> SAL_CALL
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createInputStream(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override;
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// XBinaryStreamResolver
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) override;
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virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL createOutputStream( ) override;
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virtual OUString SAL_CALL resolveOutputStream( const css::uno::Reference< css::io::XOutputStream >& rxBinaryStream ) override;
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css::uno::Reference<css::graphic::XGraphic>
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loadGraphicAtPage(OUString const& aURL, sal_Int32 nPage);
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css::uno::Reference<css::graphic::XGraphic>
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loadGraphicFromOutputStreamAtPage(css::uno::Reference<css::io::XOutputStream> const & rxOutputStream, sal_Int32 nPage);
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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