forked from amazingfate/loongoffice
1946794ae0
Modules sal, salhelper, cppu, cppuhelper, codemaker (selectively) and odk have kept them, in order not to break external API (the automatic using declaration is LO-internal). Change-Id: I588fc9e0c45b914f824f91c0376980621d730f09
146 lines
4.9 KiB
C++
146 lines
4.9 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 "imagecontainer.hxx"
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#include "genericelements.hxx"
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#include "xmlemitter.hxx"
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#include <rtl/ustrbuf.hxx>
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#include <osl/file.h>
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#include <rtl/crc.h>
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#include <com/sun/star/graphic/XGraphicProvider.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <cppuhelper/implbase1.hxx>
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#include <comphelper/stl_types.hxx>
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#include <boost/bind.hpp>
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using namespace com::sun::star;
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namespace pdfi
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{
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namespace
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{
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static const sal_Char aBase64EncodeTable[] =
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{ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
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'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
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'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' };
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OUString encodeBase64( const sal_Int8* i_pBuffer, const sal_uInt32 i_nBufferLength )
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{
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OUStringBuffer aBuf( (i_nBufferLength+1) * 4 / 3 );
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const sal_Int32 nRemain(i_nBufferLength%3);
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const sal_Int32 nFullTripleLength( i_nBufferLength - (i_nBufferLength%3));
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sal_Int32 nBufPos( 0 );
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for( sal_Int32 i = 0; i < nFullTripleLength; i += 3, nBufPos += 4 )
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{
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const sal_Int32 nBinary = (((sal_uInt8)i_pBuffer[i + 0]) << 16) +
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(((sal_uInt8)i_pBuffer[i + 1]) << 8) +
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((sal_uInt8)i_pBuffer[i + 2]);
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aBuf.appendAscii("====");
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sal_uInt8 nIndex (static_cast<sal_uInt8>((nBinary & 0xFC0000) >> 18));
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aBuf[nBufPos] = aBase64EncodeTable [nIndex];
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nIndex = static_cast<sal_uInt8>((nBinary & 0x3F000) >> 12);
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aBuf[nBufPos+1] = aBase64EncodeTable [nIndex];
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nIndex = static_cast<sal_uInt8>((nBinary & 0xFC0) >> 6);
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aBuf[nBufPos+2] = aBase64EncodeTable [nIndex];
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nIndex = static_cast<sal_uInt8>((nBinary & 0x3F));
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aBuf[nBufPos+3] = aBase64EncodeTable [nIndex];
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}
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if( nRemain > 0 )
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{
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aBuf.appendAscii("====");
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sal_Int32 nBinary( 0 );
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const sal_Int32 nStart(i_nBufferLength-nRemain);
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switch(nRemain)
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{
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case 1: nBinary = ((sal_uInt8)i_pBuffer[nStart + 0]) << 16;
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break;
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case 2: nBinary = (((sal_uInt8)i_pBuffer[nStart + 0]) << 16) +
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(((sal_uInt8)i_pBuffer[nStart + 1]) << 8);
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break;
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}
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sal_uInt8 nIndex (static_cast<sal_uInt8>((nBinary & 0xFC0000) >> 18));
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aBuf[nBufPos] = aBase64EncodeTable [nIndex];
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nIndex = static_cast<sal_uInt8>((nBinary & 0x3F000) >> 12);
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aBuf[nBufPos+1] = aBase64EncodeTable [nIndex];
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if( nRemain == 2 )
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{
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nIndex = static_cast<sal_uInt8>((nBinary & 0xFC0) >> 6);
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aBuf[nBufPos+2] = aBase64EncodeTable [nIndex];
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}
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}
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return aBuf.makeStringAndClear();
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}
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} // namespace
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ImageContainer::ImageContainer() :
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m_aImages()
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{}
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ImageId ImageContainer::addImage( const uno::Sequence<beans::PropertyValue>& xBitmap )
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{
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m_aImages.push_back( xBitmap );
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return m_aImages.size()-1;
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}
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void ImageContainer::writeBase64EncodedStream( ImageId nId, EmitContext& rContext )
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{
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OSL_ASSERT( nId >= 0 && nId < ImageId( m_aImages.size()) );
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const uno::Sequence<beans::PropertyValue>& rEntry( m_aImages[nId] );
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// find "InputSequence" property
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const beans::PropertyValue* pAry(rEntry.getConstArray());
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const sal_Int32 nLen(rEntry.getLength());
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const beans::PropertyValue* pValue(
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std::find_if(pAry,pAry+nLen,
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boost::bind(comphelper::TPropertyValueEqualFunctor(),
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_1,
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OUString("InputSequence"))));
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OSL_ENSURE( pValue != pAry+nLen,
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"InputSequence not found" );
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uno::Sequence<sal_Int8> aData;
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if( !(pValue->Value >>= aData) )
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OSL_FAIL("Wrong data type");
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rContext.rEmitter.write( encodeBase64( aData.getConstArray(), aData.getLength() ));
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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