501 lines
16 KiB
C++
501 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_xmloff.hxx"
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#include <limits.h>
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#include <tools/debug.hxx>
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#include <tools/bigint.hxx>
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#include <rtl/ustrbuf.hxx>
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#include "xmlehelp.hxx"
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#include <xmloff/xmltoken.hxx>
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using ::rtl::OUString;
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using ::rtl::OUStringBuffer;
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using namespace ::xmloff::token;
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void SvXMLExportHelper::AddLength( sal_Int32 nValue, MapUnit eValueUnit,
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OUStringBuffer& rOut,
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MapUnit eOutUnit )
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{
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// the sign is processed seperatly
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if( nValue < 0 )
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{
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nValue = -nValue;
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rOut.append( sal_Unicode('-') );
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}
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// The new length is (nVal * nMul)/(nDiv*nFac*10)
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sal_Int32 nMul = 1000;
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sal_Int32 nDiv = 1;
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sal_Int32 nFac = 100;
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enum XMLTokenEnum eUnit = XML_TOKEN_INVALID;
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switch( eValueUnit )
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{
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case MAP_TWIP:
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switch( eOutUnit )
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{
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case MAP_100TH_MM:
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case MAP_10TH_MM:
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DBG_ASSERT( MAP_INCH == eOutUnit,
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"output unit not supported for twip values" );
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case MAP_MM:
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// 0.01mm = 0.57twip (exactly)
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nMul = 25400; // 25.4 * 1000
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nDiv = 1440; // 72 * 20;
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nFac = 100;
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eUnit = XML_UNIT_MM;
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break;
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case MAP_CM:
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// 0.001cm = 0.57twip (exactly)
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nMul = 25400; // 2.54 * 10000
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nDiv = 1440; // 72 * 20;
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nFac = 1000;
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eUnit = XML_UNIT_CM;
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break;
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case MAP_POINT:
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// 0.01pt = 0.2twip (exactly)
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nMul = 1000;
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nDiv = 20;
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nFac = 100;
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eUnit = XML_UNIT_PT;
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break;
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case MAP_INCH:
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default:
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DBG_ASSERT( MAP_INCH == eOutUnit,
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"output unit not supported for twip values" );
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// 0.0001in = 0.144twip (exactly)
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nMul = 100000;
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nDiv = 1440; // 72 * 20;
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nFac = 10000;
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eUnit = XML_UNIT_INCH;
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break;
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}
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break;
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case MAP_POINT:
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// 1pt = 1pt (exactly)
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DBG_ASSERT( MAP_POINT == eOutUnit,
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"output unit not supported for pt values" );
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nMul = 10;
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nDiv = 1;
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nFac = 1;
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eUnit = XML_UNIT_PT;
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break;
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case MAP_10TH_MM:
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case MAP_100TH_MM:
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{
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long nFac2 = (MAP_100TH_MM == eValueUnit) ? 100 : 10;
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switch( eOutUnit )
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{
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case MAP_100TH_MM:
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case MAP_10TH_MM:
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DBG_ASSERT( MAP_INCH == eOutUnit,
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"output unit not supported for 1/100mm values" );
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case MAP_MM:
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// 0.01mm = 1 mm/100 (exactly)
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nMul = 10;
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nDiv = 1;
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nFac = nFac2;
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eUnit = XML_UNIT_MM;
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break;
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case MAP_CM:
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// 0.001mm = 1 mm/100 (exactly)
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nMul = 10;
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nDiv = 1; // 72 * 20;
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nFac = 10*nFac2;
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eUnit = XML_UNIT_CM;
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break;
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case MAP_POINT:
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// 0.01pt = 0.35 mm/100 (exactly)
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nMul = 72000;
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nDiv = 2540;
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nFac = nFac2;
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eUnit = XML_UNIT_PT;
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break;
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case MAP_INCH:
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default:
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DBG_ASSERT( MAP_INCH == eOutUnit,
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"output unit not supported for 1/100mm values" );
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// 0.0001in = 0.254 mm/100 (exactly)
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nMul = 100000;
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nDiv = 2540;
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nFac = 100*nFac2;
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eUnit = XML_UNIT_INCH;
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break;
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}
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break;
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}
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default:
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DBG_ASSERT( 0, "input unit not handled" );
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break;
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}
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sal_Int32 nLongVal = 0;
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sal_Bool bOutLongVal = sal_True;
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if( nValue > SAL_MAX_INT32 / nMul )
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{
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// A big int is required for calculation
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BigInt nBigVal( nValue );
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nBigVal *= nMul;
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nBigVal /= nDiv;
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nBigVal += 5;
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nBigVal /= 10;
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if( nBigVal.IsLong() )
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{
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// To convert the value into a string a sal_Int32 is sufficient
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nLongVal = sal_Int32( nBigVal );
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}
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else
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{
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BigInt nBigFac( nFac );
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BigInt nBig10( 10 );
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rOut.append( (sal_Int32)(nBigVal / nBigFac) );
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if( !(nBigVal % nBigFac).IsZero() )
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{
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rOut.append( sal_Unicode('.') );
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while( nFac > 1 && !(nBigVal % nBigFac).IsZero() )
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{
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nFac /= 10;
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nBigFac = nFac;
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rOut.append( (sal_Int32)((nBigVal / nBigFac) % nBig10 ) );
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}
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}
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bOutLongVal = sal_False;
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}
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}
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else
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{
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nLongVal = nValue * nMul;
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nLongVal /= nDiv;
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nLongVal += 5;
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nLongVal /= 10;
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}
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if( bOutLongVal )
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{
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rOut.append( (sal_Int32)(nLongVal / nFac) );
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if( nFac > 1 && (nLongVal % nFac) != 0 )
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{
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rOut.append( sal_Unicode('.') );
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while( nFac > 1 && (nLongVal % nFac) != 0 )
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{
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nFac /= 10;
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rOut.append( (sal_Int32)((nLongVal / nFac) % 10) );
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}
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}
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}
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if( eUnit != XML_TOKEN_INVALID )
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rOut.append( GetXMLToken(eUnit) );
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}
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void SvXMLExportHelper::AddPercentage( sal_Int32 nValue, OUStringBuffer& rOut )
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{
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rOut.append( nValue );
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rOut.append( sal_Unicode('%' ) );
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}
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double SvXMLExportHelper::GetConversionFactor(::rtl::OUStringBuffer& rUnit,
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const MapUnit eCoreUnit, const MapUnit eDestUnit)
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{
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double fRetval(1.0);
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rUnit.setLength(0L);
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if(eCoreUnit != eDestUnit)
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{
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enum XMLTokenEnum eUnit = XML_TOKEN_INVALID;
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switch(eCoreUnit)
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{
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case MAP_TWIP:
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{
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switch(eDestUnit)
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{
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case MAP_100TH_MM:
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case MAP_10TH_MM:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for twip values");
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}
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case MAP_MM:
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{
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// 0.01mm = 0.57twip (exactly)
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fRetval = ((25400.0 / 1440.0) / 1000.0);
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eUnit = XML_UNIT_MM;
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break;
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}
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case MAP_CM:
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{
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// 0.001cm = 0.57twip (exactly)
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fRetval = ((25400.0 / 1440.0) / 10000.0);
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eUnit = XML_UNIT_CM;
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break;
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}
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case MAP_POINT:
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{
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// 0.01pt = 0.2twip (exactly)
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fRetval = ((1000.0 / 20.0) / 1000.0);
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eUnit = XML_UNIT_PT;
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break;
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}
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case MAP_INCH:
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default:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for twip values");
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// 0.0001in = 0.144twip (exactly)
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fRetval = ((100000.0 / 1440.0) / 100000.0);
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eUnit = XML_UNIT_INCH;
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break;
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}
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}
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break;
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}
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case MAP_POINT:
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{
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switch(eDestUnit)
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{
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case MAP_MM:
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// 1mm = 72 / 25.4 pt (exactly)
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fRetval = ( 25.4 / 72.0 );
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eUnit = XML_UNIT_MM;
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break;
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case MAP_CM:
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// 1cm = 72 / 2.54 pt (exactly)
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fRetval = ( 2.54 / 72.0 );
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eUnit = XML_UNIT_CM;
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break;
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case MAP_TWIP:
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// 1twip = 72 / 1440 pt (exactly)
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fRetval = 20.0; // 1440.0 / 72.0
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eUnit = XML_UNIT_PC;
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break;
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case MAP_INCH:
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default:
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for pt values");
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// 1in = 72 pt (exactly)
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fRetval = ( 1.0 / 72.0 );
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eUnit = XML_UNIT_INCH;
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break;
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}
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break;
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}
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case MAP_10TH_MM:
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{
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switch(eDestUnit)
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{
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case MAP_100TH_MM:
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case MAP_10TH_MM:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for 1/100mm values");
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}
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case MAP_MM:
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{
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// 0.01mm = 1 mm/100 (exactly)
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fRetval = ((10.0 / 1.0) / 100.0);
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eUnit = XML_UNIT_MM;
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break;
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}
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case MAP_CM:
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{
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// 0.001mm = 1 mm/100 (exactly)
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fRetval = ((10.0 / 1.0) / 1000.0);
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eUnit = XML_UNIT_CM;
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break;
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}
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case MAP_POINT:
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{
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// 0.01pt = 0.35 mm/100 (exactly)
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fRetval = ((72000.0 / 2540.0) / 100.0);
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eUnit = XML_UNIT_PT;
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break;
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}
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case MAP_INCH:
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default:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for 1/100mm values");
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// 0.0001in = 0.254 mm/100 (exactly)
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fRetval = ((100000.0 / 2540.0) / 10000.0);
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eUnit = XML_UNIT_INCH;
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break;
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}
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}
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break;
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}
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case MAP_100TH_MM:
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{
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switch(eDestUnit)
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{
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case MAP_100TH_MM:
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case MAP_10TH_MM:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for 1/100mm values");
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}
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case MAP_MM:
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{
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// 0.01mm = 1 mm/100 (exactly)
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fRetval = ((10.0 / 1.0) / 1000.0);
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eUnit = XML_UNIT_MM;
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break;
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}
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case MAP_CM:
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{
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// 0.001mm = 1 mm/100 (exactly)
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fRetval = ((10.0 / 1.0) / 10000.0);
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eUnit = XML_UNIT_CM;
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break;
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}
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case MAP_POINT:
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{
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// 0.01pt = 0.35 mm/100 (exactly)
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fRetval = ((72000.0 / 2540.0) / 1000.0);
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eUnit = XML_UNIT_PT;
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break;
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}
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case MAP_INCH:
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default:
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{
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DBG_ASSERT(MAP_INCH == eDestUnit, "output unit not supported for 1/100mm values");
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// 0.0001in = 0.254 mm/100 (exactly)
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fRetval = ((100000.0 / 2540.0) / 100000.0);
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eUnit = XML_UNIT_INCH;
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break;
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}
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}
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break;
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}
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default:
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OSL_FAIL("xmloff::SvXMLExportHelper::GetConversionFactor(), illegal eCoreUnit value!");
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break;
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}
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if(eUnit != XML_TOKEN_INVALID)
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rUnit.append(GetXMLToken(eUnit));
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}
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return fRetval;
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}
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MapUnit SvXMLExportHelper::GetUnitFromString(const ::rtl::OUString& rString, MapUnit eDefaultUnit)
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{
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sal_Int32 nPos = 0;
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sal_Int32 nLen = rString.getLength();
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MapUnit eRetUnit = eDefaultUnit;
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// skip white space
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while( nPos < nLen && sal_Unicode(' ') == rString[nPos] )
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nPos++;
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// skip negative
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if( nPos < nLen && sal_Unicode('-') == rString[nPos] )
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nPos++;
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// skip number
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while( nPos < nLen && sal_Unicode('0') <= rString[nPos] && sal_Unicode('9') >= rString[nPos] )
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nPos++;
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if( nPos < nLen && sal_Unicode('.') == rString[nPos] )
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{
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nPos++;
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while( nPos < nLen && sal_Unicode('0') <= rString[nPos] && sal_Unicode('9') >= rString[nPos] )
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nPos++;
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}
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// skip white space
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while( nPos < nLen && sal_Unicode(' ') == rString[nPos] )
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nPos++;
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if( nPos < nLen )
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{
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switch(rString[nPos])
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{
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case sal_Unicode('%') :
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{
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eRetUnit = MAP_RELATIVE;
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break;
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}
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case sal_Unicode('c'):
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case sal_Unicode('C'):
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{
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if(nPos+1 < nLen && (rString[nPos+1] == sal_Unicode('m')
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|| rString[nPos+1] == sal_Unicode('M')))
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eRetUnit = MAP_CM;
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break;
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}
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case sal_Unicode('e'):
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case sal_Unicode('E'):
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{
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// CSS1_EMS or CSS1_EMX later
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break;
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}
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case sal_Unicode('i'):
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case sal_Unicode('I'):
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{
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if(nPos+1 < nLen && (rString[nPos+1] == sal_Unicode('n')
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|| rString[nPos+1] == sal_Unicode('n')))
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eRetUnit = MAP_INCH;
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break;
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}
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case sal_Unicode('m'):
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case sal_Unicode('M'):
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{
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if(nPos+1 < nLen && (rString[nPos+1] == sal_Unicode('m')
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|| rString[nPos+1] == sal_Unicode('M')))
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eRetUnit = MAP_MM;
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break;
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}
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case sal_Unicode('p'):
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case sal_Unicode('P'):
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{
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if(nPos+1 < nLen && (rString[nPos+1] == sal_Unicode('t')
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|| rString[nPos+1] == sal_Unicode('T')))
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eRetUnit = MAP_POINT;
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if(nPos+1 < nLen && (rString[nPos+1] == sal_Unicode('c')
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|| rString[nPos+1] == sal_Unicode('C')))
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eRetUnit = MAP_TWIP;
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break;
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}
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}
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}
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return eRetUnit;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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