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Diffstat (limited to 'vcl/source/treelist/inetimg.cxx')
| -rw-r--r-- | vcl/source/treelist/inetimg.cxx | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/vcl/source/treelist/inetimg.cxx b/vcl/source/treelist/inetimg.cxx new file mode 100644 index 000000000..35c795cb0 --- /dev/null +++ b/vcl/source/treelist/inetimg.cxx @@ -0,0 +1,136 @@ +/* -*- 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 <osl/thread.h> +#include <sot/formats.hxx> +#include <tools/stream.hxx> + +#include <vcl/inetimg.hxx> +#include <o3tl/string_view.hxx> + +const sal_Unicode TOKEN_SEPARATOR = '\001'; + +void INetImage::Write( SvStream& rOStm, SotClipboardFormatId nFormat ) const +{ + switch( nFormat ) + { + case SotClipboardFormatId::INET_IMAGE: + { + OUString sString( + aImageURL + OUStringChar(TOKEN_SEPARATOR) + aTargetURL + + OUStringChar(TOKEN_SEPARATOR) + aTargetFrame + + OUStringChar(TOKEN_SEPARATOR) /* + aAlternateText */ + + OUStringChar(TOKEN_SEPARATOR) + + OUString::number(aSizePixel.Width()) + + OUStringChar(TOKEN_SEPARATOR) + + OUString::number(aSizePixel.Height())); + + OString sOut(OUStringToOString(sString, + RTL_TEXTENCODING_UTF8)); + + rOStm.WriteBytes(sOut.getStr(), sOut.getLength()); + static const char aEndChar[2] = { 0 }; + rOStm.WriteBytes(aEndChar, sizeof(aEndChar)); + } + break; + + case SotClipboardFormatId::NETSCAPE_IMAGE: + break; + default: break; + } +} + +bool INetImage::Read( SvStream& rIStm, SotClipboardFormatId nFormat ) +{ + bool bRet = false; + switch( nFormat ) + { + case SotClipboardFormatId::INET_IMAGE: + { + OUString sINetImg = read_zeroTerminated_uInt8s_ToOUString(rIStm, RTL_TEXTENCODING_UTF8); + sal_Int32 nStart = 0; + aImageURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart ); + aTargetURL = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart ); + aTargetFrame = sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart ); + /*aAlternateText =*/ sINetImg.getToken( 0, TOKEN_SEPARATOR, nStart ); + aSizePixel.setWidth( o3tl::toInt32(o3tl::getToken(sINetImg, 0, TOKEN_SEPARATOR, + nStart )) ); + aSizePixel.setHeight(o3tl::toInt32(o3tl::getToken( sINetImg, 0, TOKEN_SEPARATOR, + nStart )) ); + bRet = !sINetImg.isEmpty(); + } + break; + + case SotClipboardFormatId::NETSCAPE_IMAGE: + { +/* + --> structure size MUST - alignment of 4! + int iSize; // size of all data, including variable length strings + sal_Bool bIsMap; // For server side maps + sal_Int32 iWidth; // Fixed size data correspond to fields in LO_ImageDataStruct + sal_Int32 iHeight; // and EDT_ImageData + sal_Int32 iHSpace; + sal_Int32 iVSpace; + sal_Int32 iBorder; + int iLowResOffset; // Offsets into string_data. If 0, string is NULL (not used) + int iAltOffset; // (alternate text?) + int iAnchorOffset; // HREF in image + int iExtraHTML_Offset; // Extra HTML (stored in CImageElement) + char pImageURL[1]; // Append all variable-length strings starting here +*/ + rtl_TextEncoding eSysCSet = osl_getThreadTextEncoding(); + sal_Int32 nVal, nAnchorOffset, nAltOffset; + sal_uInt64 nFilePos; + + nFilePos = rIStm.Tell(); + // skip over iSize (int), bIsMao ( sal_Bool ) alignment of 4 !!!! + rIStm.SeekRel( 8 ); + rIStm.ReadInt32( nVal ); aSizePixel.setWidth( nVal ); + rIStm.ReadInt32( nVal ); aSizePixel.setHeight( nVal ); + // skip over iHSpace, iVSpace, iBorder, iLowResOffset + rIStm.SeekRel( 3 * sizeof( sal_Int32 ) + sizeof( int ) ); + rIStm.ReadInt32( nAltOffset ); + rIStm.ReadInt32( nAnchorOffset ); + // skip over iExtraHTML_Offset + rIStm.SeekRel( sizeof( int ) ); + + aImageURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet); + if( nAltOffset ) + { + rIStm.Seek( nFilePos + nAltOffset ); + /*aAlternateText =*/ read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet); + } + + if( nAnchorOffset ) + { + rIStm.Seek( nFilePos + nAnchorOffset ); + aTargetURL = read_zeroTerminated_uInt8s_ToOUString(rIStm, eSysCSet); + } + else if( !aTargetURL.isEmpty() ) + aTargetURL.clear(); + + bRet = ERRCODE_NONE == rIStm.GetError(); + } + break; + default: break; + } + return bRet; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |