forked from amazingfate/loongoffice
138 lines
5.3 KiB
C++
138 lines
5.3 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 <osl/thread.h>
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#include <sot/formats.hxx>
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#include <tools/stream.hxx>
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#include <svtools/inetimg.hxx>
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static const sal_Unicode TOKEN_SEPARATOR = '\001';
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bool INetImage::Write( SvStream& rOStm, sal_uLong nFormat ) const
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{
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bool bRet = false;
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switch( nFormat )
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{
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case SOT_FORMATSTR_ID_INET_IMAGE:
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{
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OUString sString;
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(sString += aImageURL ) += OUString(TOKEN_SEPARATOR);
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(sString += aTargetURL ) += OUString(TOKEN_SEPARATOR);
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(sString += aTargetFrame ) += OUString(TOKEN_SEPARATOR);
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(sString += aAlternateText ) += OUString(TOKEN_SEPARATOR);
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sString += OUString::number( aSizePixel.Width() );
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sString += OUString(TOKEN_SEPARATOR);
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sString += OUString::number( aSizePixel.Height() );
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OString sOut(OUStringToOString(sString,
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RTL_TEXTENCODING_UTF8));
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rOStm.Write(sOut.getStr(), sOut.getLength());
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static const sal_Char aEndChar[2] = { 0 };
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rOStm.Write( aEndChar, sizeof( aEndChar ));
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bRet = 0 == rOStm.GetError();
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}
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break;
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case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
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break;
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}
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return bRet;
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}
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bool INetImage::Read( SvStream& rIStm, sal_uLong nFormat )
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{
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bool bRet = false;
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switch( nFormat )
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{
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case SOT_FORMATSTR_ID_INET_IMAGE:
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{
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OUString sINetImg = read_zeroTerminated_uInt8s_ToOUString(rIStm, RTL_TEXTENCODING_UTF8);
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sal_Int32 nStart = 0;
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aImageURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
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aTargetURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
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aTargetFrame = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
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aAlternateText = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart );
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aSizePixel.Width() = sINetImg.getToken( 0, TOKEN_SEPARATOR,
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nStart ).toInt32();
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aSizePixel.Height() = sINetImg.getToken( 0, TOKEN_SEPARATOR,
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nStart ).toInt32();
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bRet = !sINetImg.isEmpty();
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}
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break;
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case SOT_FORMATSTR_ID_NETSCAPE_IMAGE:
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{
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/*
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--> structure size MUST - alignment of 4!
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int iSize; // size of all data, including variable length strings
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sal_Bool bIsMap; // For server side maps
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sal_Int32 iWidth; // Fixed size data correspond to fields in LO_ImageDataStruct
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sal_Int32 iHeight; // and EDT_ImageData
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sal_Int32 iHSpace;
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sal_Int32 iVSpace;
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sal_Int32 iBorder;
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int iLowResOffset; // Offsets into string_data. If 0, string is NULL (not used)
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int iAltOffset; // (alternate text?)
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int iAnchorOffset; // HREF in image
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int iExtraHTML_Offset; // Extra HTML (stored in CImageElement)
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sal_Char pImageURL[1]; // Append all variable-length strings starting here
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*/
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rtl_TextEncoding eSysCSet = osl_getThreadTextEncoding();
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sal_Int32 nVal, nAnchorOffset, nAltOffset, nFilePos;
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nFilePos = rIStm.Tell();
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// skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!!
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rIStm.SeekRel( 8 );
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rIStm.ReadInt32( nVal ); aSizePixel.Width() = nVal;
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rIStm.ReadInt32( nVal ); aSizePixel.Height() = nVal;
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// skip over iHSpace, iVSpace, iBorder, iLowResOffset
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rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) );
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rIStm.ReadInt32( nAltOffset );
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rIStm.ReadInt32( nAnchorOffset );
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// skip over iExtraHTML_Offset
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rIStm.SeekRel( sizeof( int ) );
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aImageURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
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if( nAltOffset )
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{
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rIStm.Seek( nFilePos + nAltOffset );
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aAlternateText = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
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}
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else if( !aAlternateText.isEmpty() )
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aAlternateText = "";
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if( nAnchorOffset )
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{
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rIStm.Seek( nFilePos + nAnchorOffset );
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aTargetURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet);
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}
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else if( !aTargetURL.isEmpty() )
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aTargetURL = "";
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bRet = 0 == rIStm.GetError();
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}
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break;
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}
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return bRet;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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