LCOV - code coverage report
Current view: top level - chart2/source/view/axes - DateScaling.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 80 0.0 %
Date: 2014-04-14 Functions: 0 24 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "DateScaling.hxx"
      21             : #include <com/sun/star/chart/TimeUnit.hpp>
      22             : #include <rtl/math.hxx>
      23             : #include "com/sun/star/uno/RuntimeException.hpp"
      24             : 
      25             : namespace
      26             : {
      27             : 
      28           0 : static const OUString lcl_aServiceName_DateScaling( "com.sun.star.chart2.DateScaling" );
      29           0 : static const OUString lcl_aServiceName_InverseDateScaling( "com.sun.star.chart2.InverseDateScaling" );
      30             : 
      31             : static const double lcl_fNumberOfMonths = 12.0;//todo: this needs to be offered by basic tools Date class if it should be more generic
      32             : }
      33             : 
      34             : namespace chart
      35             : {
      36             : using namespace ::com::sun::star;
      37             : using namespace ::com::sun::star::chart2;
      38             : using ::com::sun::star::chart::TimeUnit::DAY;
      39             : using ::com::sun::star::chart::TimeUnit::MONTH;
      40             : using ::com::sun::star::chart::TimeUnit::YEAR;
      41             : 
      42           0 : DateScaling::DateScaling( const Date& rNullDate, sal_Int32 nTimeUnit, bool bShifted )
      43             :         : m_aNullDate( rNullDate )
      44             :         , m_nTimeUnit( nTimeUnit )
      45           0 :         , m_bShifted( bShifted )
      46             : {
      47           0 : }
      48             : 
      49           0 : DateScaling::~DateScaling()
      50             : {
      51           0 : }
      52             : 
      53           0 : double SAL_CALL DateScaling::doScaling( double value )
      54             :     throw (uno::RuntimeException, std::exception)
      55             : {
      56           0 :     double fResult(value);
      57           0 :     if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
      58           0 :         ::rtl::math::setNan( & fResult );
      59             :     else
      60             :     {
      61           0 :         Date aDate(m_aNullDate);
      62           0 :         aDate += static_cast<long>(::rtl::math::approxFloor(value));
      63           0 :         switch( m_nTimeUnit )
      64             :         {
      65             :             case DAY:
      66           0 :                 fResult = value;
      67           0 :                 if(m_bShifted)
      68           0 :                     fResult+=0.5;
      69           0 :                 break;
      70             :             case YEAR:
      71             :             case MONTH:
      72             :             default:
      73           0 :                 fResult = aDate.GetYear();
      74           0 :                 fResult *= lcl_fNumberOfMonths;//asssuming equal count of months in each year
      75           0 :                 fResult += aDate.GetMonth();
      76             : 
      77           0 :                 double fDayOfMonth = aDate.GetDay();
      78           0 :                 fDayOfMonth -= 1.0;
      79           0 :                 double fDaysInMonth = aDate.GetDaysInMonth();
      80           0 :                 fResult += fDayOfMonth/fDaysInMonth;
      81           0 :                 if(m_bShifted)
      82             :                 {
      83           0 :                     if( YEAR==m_nTimeUnit )
      84           0 :                         fResult += 0.5*lcl_fNumberOfMonths;
      85             :                     else
      86           0 :                         fResult += 0.5;
      87             :                 }
      88           0 :                 break;
      89             :         }
      90             :     }
      91           0 :     return fResult;
      92             : }
      93             : 
      94           0 : uno::Reference< XScaling > SAL_CALL DateScaling::getInverseScaling()
      95             :     throw (uno::RuntimeException, std::exception)
      96             : {
      97           0 :     return new InverseDateScaling( m_aNullDate, m_nTimeUnit, m_bShifted );
      98             : }
      99             : 
     100           0 : OUString SAL_CALL DateScaling::getServiceName()
     101             :     throw (uno::RuntimeException, std::exception)
     102             : {
     103           0 :     return lcl_aServiceName_DateScaling;
     104             : }
     105             : 
     106           0 : uno::Sequence< OUString > DateScaling::getSupportedServiceNames_Static()
     107             : {
     108           0 :     return uno::Sequence< OUString >( & lcl_aServiceName_DateScaling, 1 );
     109             : }
     110             : 
     111             : // implement XServiceInfo methods basing upon getSupportedServiceNames_Static
     112           0 : APPHELPER_XSERVICEINFO_IMPL( DateScaling, lcl_aServiceName_DateScaling )
     113             : 
     114           0 : InverseDateScaling::InverseDateScaling( const Date& rNullDate, sal_Int32 nTimeUnit, bool bShifted )
     115             :         : m_aNullDate( rNullDate )
     116             :         , m_nTimeUnit( nTimeUnit )
     117           0 :         , m_bShifted( bShifted )
     118             : {
     119           0 : }
     120             : 
     121           0 : InverseDateScaling::~InverseDateScaling()
     122             : {
     123           0 : }
     124             : 
     125           0 : double SAL_CALL InverseDateScaling::doScaling( double value )
     126             :     throw (uno::RuntimeException, std::exception)
     127             : {
     128           0 :     double fResult(value);
     129           0 :     if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
     130           0 :         ::rtl::math::setNan( & fResult );
     131             :     else
     132             :     {
     133           0 :         switch( m_nTimeUnit )
     134             :         {
     135             :             case DAY:
     136           0 :                 if(m_bShifted)
     137           0 :                     value -= 0.5;
     138           0 :                 fResult = value;
     139           0 :                 break;
     140             :             case YEAR:
     141             :             case MONTH:
     142             :             default:
     143             :                 //Date aDate(m_aNullDate);
     144           0 :                 if(m_bShifted)
     145             :                 {
     146           0 :                     if( YEAR==m_nTimeUnit )
     147           0 :                         value -= 0.5*lcl_fNumberOfMonths;
     148             :                     else
     149           0 :                         value -= 0.5;
     150             :                 }
     151           0 :                 Date aDate( Date::EMPTY );
     152           0 :                 double fYear = ::rtl::math::approxFloor(value/lcl_fNumberOfMonths);
     153           0 :                 double fMonth = ::rtl::math::approxFloor(value-(fYear*lcl_fNumberOfMonths));
     154           0 :                 if( fMonth==0.0 )
     155             :                 {
     156           0 :                     fYear--;
     157           0 :                     fMonth=12.0;
     158             :                 }
     159           0 :                 aDate.SetYear( static_cast<sal_uInt16>(fYear) );
     160           0 :                 aDate.SetMonth( static_cast<sal_uInt16>(fMonth) );
     161           0 :                 aDate.SetDay( 1 );
     162           0 :                 double fMonthCount = (fYear*lcl_fNumberOfMonths)+fMonth;
     163           0 :                 double fDay = (value-fMonthCount)*aDate.GetDaysInMonth();
     164           0 :                 fDay += 1.0;
     165           0 :                 aDate.SetDay( static_cast<sal_uInt16>(::rtl::math::round(fDay)) );
     166           0 :                 fResult = aDate - m_aNullDate;
     167           0 :                 break;
     168             :         }
     169             :     }
     170           0 :     return fResult;
     171             : }
     172             : 
     173           0 : uno::Reference< XScaling > SAL_CALL InverseDateScaling::getInverseScaling()
     174             :     throw (uno::RuntimeException, std::exception)
     175             : {
     176           0 :     return new DateScaling( m_aNullDate, m_nTimeUnit, m_bShifted );
     177             : }
     178             : 
     179           0 : OUString SAL_CALL InverseDateScaling::getServiceName()
     180             :     throw (uno::RuntimeException, std::exception)
     181             : {
     182           0 :     return lcl_aServiceName_InverseDateScaling;
     183             : }
     184             : 
     185           0 : uno::Sequence< OUString > InverseDateScaling::getSupportedServiceNames_Static()
     186             : {
     187           0 :     return uno::Sequence< OUString >( & lcl_aServiceName_InverseDateScaling, 1 );
     188             : }
     189             : 
     190             : // implement XServiceInfo methods basing upon getSupportedServiceNames_Static
     191           0 : APPHELPER_XSERVICEINFO_IMPL( InverseDateScaling, lcl_aServiceName_InverseDateScaling )
     192             : 
     193           0 : } //namespace chart
     194             : 
     195             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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