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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_chart2.hxx" 30*cdf0e10cSrcweir #include "Scaling.hxx" 31*cdf0e10cSrcweir #include <rtl/math.hxx> 32*cdf0e10cSrcweir #include "com/sun/star/uno/RuntimeException.hpp" 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir namespace 35*cdf0e10cSrcweir { 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir static const ::rtl::OUString lcl_aServiceName_Logarithmic( 38*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LogarithmicScaling" )); 39*cdf0e10cSrcweir static const ::rtl::OUString lcl_aServiceName_Exponential( 40*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.ExponentialScaling" )); 41*cdf0e10cSrcweir static const ::rtl::OUString lcl_aServiceName_Linear( 42*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LinearScaling" )); 43*cdf0e10cSrcweir static const ::rtl::OUString lcl_aServiceName_Power( 44*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.PowerScaling" )); 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir static const ::rtl::OUString lcl_aImplementationName_Logarithmic( 47*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LogarithmicScaling" )); 48*cdf0e10cSrcweir static const ::rtl::OUString lcl_aImplementationName_Exponential( 49*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.ExponentialScaling" )); 50*cdf0e10cSrcweir static const ::rtl::OUString lcl_aImplementationName_Linear( 51*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LinearScaling" )); 52*cdf0e10cSrcweir static const ::rtl::OUString lcl_aImplementationName_Power( 53*cdf0e10cSrcweir RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.PowerScaling" )); 54*cdf0e10cSrcweir } 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir //............................................................................. 57*cdf0e10cSrcweir namespace chart 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir //............................................................................. 60*cdf0e10cSrcweir using namespace ::com::sun::star; 61*cdf0e10cSrcweir using namespace ::com::sun::star::chart2; 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir LogarithmicScaling::LogarithmicScaling( const uno::Reference< uno::XComponentContext > & xContext ) : 64*cdf0e10cSrcweir m_fBase( 10.0 ), 65*cdf0e10cSrcweir m_fLogOfBase( log( 10.0 ) ), 66*cdf0e10cSrcweir m_xContext( xContext ) 67*cdf0e10cSrcweir { 68*cdf0e10cSrcweir } 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir LogarithmicScaling::LogarithmicScaling( double fBase ) : 71*cdf0e10cSrcweir m_fBase( fBase ), 72*cdf0e10cSrcweir m_fLogOfBase( log( fBase ) ) 73*cdf0e10cSrcweir { 74*cdf0e10cSrcweir } 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir LogarithmicScaling::~LogarithmicScaling() 77*cdf0e10cSrcweir { 78*cdf0e10cSrcweir } 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir double SAL_CALL 81*cdf0e10cSrcweir LogarithmicScaling::doScaling( double value ) 82*cdf0e10cSrcweir throw (uno::RuntimeException) 83*cdf0e10cSrcweir { 84*cdf0e10cSrcweir double fResult; 85*cdf0e10cSrcweir if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) 86*cdf0e10cSrcweir ::rtl::math::setNan( & fResult ); 87*cdf0e10cSrcweir else 88*cdf0e10cSrcweir fResult = log( value ) / m_fLogOfBase; 89*cdf0e10cSrcweir return fResult; 90*cdf0e10cSrcweir } 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir uno::Reference< XScaling > SAL_CALL 93*cdf0e10cSrcweir LogarithmicScaling::getInverseScaling() 94*cdf0e10cSrcweir throw (uno::RuntimeException) 95*cdf0e10cSrcweir { 96*cdf0e10cSrcweir return new ExponentialScaling( m_fBase ); 97*cdf0e10cSrcweir } 98*cdf0e10cSrcweir 99*cdf0e10cSrcweir ::rtl::OUString SAL_CALL 100*cdf0e10cSrcweir LogarithmicScaling::getServiceName() 101*cdf0e10cSrcweir throw (uno::RuntimeException) 102*cdf0e10cSrcweir { 103*cdf0e10cSrcweir return lcl_aServiceName_Logarithmic; 104*cdf0e10cSrcweir } 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > LogarithmicScaling::getSupportedServiceNames_Static() 107*cdf0e10cSrcweir { 108*cdf0e10cSrcweir return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Logarithmic, 1 ); 109*cdf0e10cSrcweir } 110*cdf0e10cSrcweir 111*cdf0e10cSrcweir // implement XServiceInfo methods basing upon getSupportedServiceNames_Static 112*cdf0e10cSrcweir APPHELPER_XSERVICEINFO_IMPL( LogarithmicScaling, lcl_aServiceName_Logarithmic ) 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir // ---------------------------------------- 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir ExponentialScaling::ExponentialScaling( const uno::Reference< uno::XComponentContext > & xContext ) : 117*cdf0e10cSrcweir m_fBase( 10.0 ), 118*cdf0e10cSrcweir m_xContext( xContext ) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir 122*cdf0e10cSrcweir ExponentialScaling::ExponentialScaling( double fBase ) : 123*cdf0e10cSrcweir m_fBase( fBase ) 124*cdf0e10cSrcweir { 125*cdf0e10cSrcweir } 126*cdf0e10cSrcweir 127*cdf0e10cSrcweir ExponentialScaling::~ExponentialScaling() 128*cdf0e10cSrcweir { 129*cdf0e10cSrcweir } 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir double SAL_CALL 132*cdf0e10cSrcweir ExponentialScaling::doScaling( double value ) 133*cdf0e10cSrcweir throw (uno::RuntimeException) 134*cdf0e10cSrcweir { 135*cdf0e10cSrcweir double fResult; 136*cdf0e10cSrcweir if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) 137*cdf0e10cSrcweir ::rtl::math::setNan( & fResult ); 138*cdf0e10cSrcweir else 139*cdf0e10cSrcweir fResult = pow( m_fBase, value ); 140*cdf0e10cSrcweir return fResult; 141*cdf0e10cSrcweir } 142*cdf0e10cSrcweir 143*cdf0e10cSrcweir uno::Reference< XScaling > SAL_CALL 144*cdf0e10cSrcweir ExponentialScaling::getInverseScaling() 145*cdf0e10cSrcweir throw (uno::RuntimeException) 146*cdf0e10cSrcweir { 147*cdf0e10cSrcweir return new LogarithmicScaling( m_fBase ); 148*cdf0e10cSrcweir } 149*cdf0e10cSrcweir 150*cdf0e10cSrcweir ::rtl::OUString SAL_CALL 151*cdf0e10cSrcweir ExponentialScaling::getServiceName() 152*cdf0e10cSrcweir throw (uno::RuntimeException) 153*cdf0e10cSrcweir { 154*cdf0e10cSrcweir return lcl_aServiceName_Exponential; 155*cdf0e10cSrcweir } 156*cdf0e10cSrcweir 157*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > ExponentialScaling::getSupportedServiceNames_Static() 158*cdf0e10cSrcweir { 159*cdf0e10cSrcweir return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Exponential, 1 ); 160*cdf0e10cSrcweir } 161*cdf0e10cSrcweir 162*cdf0e10cSrcweir // implement XServiceInfo methods basing upon getSupportedServiceNames_Static 163*cdf0e10cSrcweir APPHELPER_XSERVICEINFO_IMPL( ExponentialScaling, lcl_aServiceName_Exponential ) 164*cdf0e10cSrcweir 165*cdf0e10cSrcweir // ---------------------------------------- 166*cdf0e10cSrcweir 167*cdf0e10cSrcweir LinearScaling::LinearScaling( const uno::Reference< uno::XComponentContext > & xContext ) : 168*cdf0e10cSrcweir m_fSlope( 1.0 ), 169*cdf0e10cSrcweir m_fOffset( 0.0 ), 170*cdf0e10cSrcweir m_xContext( xContext ) 171*cdf0e10cSrcweir {} 172*cdf0e10cSrcweir 173*cdf0e10cSrcweir LinearScaling::LinearScaling( double fSlope, double fOffset ) : 174*cdf0e10cSrcweir m_fSlope( fSlope ), 175*cdf0e10cSrcweir m_fOffset( fOffset ) 176*cdf0e10cSrcweir {} 177*cdf0e10cSrcweir 178*cdf0e10cSrcweir LinearScaling::~LinearScaling() 179*cdf0e10cSrcweir {} 180*cdf0e10cSrcweir 181*cdf0e10cSrcweir double SAL_CALL LinearScaling::doScaling( double value ) 182*cdf0e10cSrcweir throw (uno::RuntimeException) 183*cdf0e10cSrcweir { 184*cdf0e10cSrcweir double fResult; 185*cdf0e10cSrcweir if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) 186*cdf0e10cSrcweir ::rtl::math::setNan( & fResult ); 187*cdf0e10cSrcweir else 188*cdf0e10cSrcweir fResult = m_fOffset + m_fSlope * value; 189*cdf0e10cSrcweir return fResult; 190*cdf0e10cSrcweir } 191*cdf0e10cSrcweir 192*cdf0e10cSrcweir uno::Reference< XScaling > SAL_CALL 193*cdf0e10cSrcweir LinearScaling::getInverseScaling() 194*cdf0e10cSrcweir throw (uno::RuntimeException) 195*cdf0e10cSrcweir { 196*cdf0e10cSrcweir // ToDo: ApproxEqual ? 197*cdf0e10cSrcweir if( m_fSlope == 0 ) 198*cdf0e10cSrcweir throw uno::RuntimeException(); 199*cdf0e10cSrcweir 200*cdf0e10cSrcweir return new LinearScaling( 1.0 / m_fSlope, m_fOffset / m_fSlope ); 201*cdf0e10cSrcweir } 202*cdf0e10cSrcweir 203*cdf0e10cSrcweir ::rtl::OUString SAL_CALL 204*cdf0e10cSrcweir LinearScaling::getServiceName() 205*cdf0e10cSrcweir throw (uno::RuntimeException) 206*cdf0e10cSrcweir { 207*cdf0e10cSrcweir return lcl_aServiceName_Linear; 208*cdf0e10cSrcweir } 209*cdf0e10cSrcweir 210*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > LinearScaling::getSupportedServiceNames_Static() 211*cdf0e10cSrcweir { 212*cdf0e10cSrcweir return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Linear, 1 ); 213*cdf0e10cSrcweir } 214*cdf0e10cSrcweir 215*cdf0e10cSrcweir // implement XServiceInfo methods basing upon getSupportedServiceNames_Static 216*cdf0e10cSrcweir APPHELPER_XSERVICEINFO_IMPL( LinearScaling, lcl_aServiceName_Linear ) 217*cdf0e10cSrcweir 218*cdf0e10cSrcweir // ---------------------------------------- 219*cdf0e10cSrcweir 220*cdf0e10cSrcweir PowerScaling::PowerScaling( const uno::Reference< uno::XComponentContext > & xContext ) : 221*cdf0e10cSrcweir m_fExponent( 10.0 ), 222*cdf0e10cSrcweir m_xContext( xContext ) 223*cdf0e10cSrcweir {} 224*cdf0e10cSrcweir 225*cdf0e10cSrcweir PowerScaling::PowerScaling( double fExponent ) : 226*cdf0e10cSrcweir m_fExponent( fExponent ) 227*cdf0e10cSrcweir {} 228*cdf0e10cSrcweir 229*cdf0e10cSrcweir PowerScaling::~PowerScaling() 230*cdf0e10cSrcweir {} 231*cdf0e10cSrcweir 232*cdf0e10cSrcweir double SAL_CALL PowerScaling::doScaling( double value ) 233*cdf0e10cSrcweir throw (uno::RuntimeException) 234*cdf0e10cSrcweir { 235*cdf0e10cSrcweir double fResult; 236*cdf0e10cSrcweir if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) ) 237*cdf0e10cSrcweir ::rtl::math::setNan( & fResult ); 238*cdf0e10cSrcweir else 239*cdf0e10cSrcweir fResult = pow( value, m_fExponent ); 240*cdf0e10cSrcweir return fResult; 241*cdf0e10cSrcweir } 242*cdf0e10cSrcweir 243*cdf0e10cSrcweir uno::Reference< XScaling > SAL_CALL 244*cdf0e10cSrcweir PowerScaling::getInverseScaling() 245*cdf0e10cSrcweir throw (uno::RuntimeException) 246*cdf0e10cSrcweir { 247*cdf0e10cSrcweir // ToDo: ApproxEqual ? 248*cdf0e10cSrcweir if( m_fExponent == 0 ) 249*cdf0e10cSrcweir throw uno::RuntimeException(); 250*cdf0e10cSrcweir 251*cdf0e10cSrcweir return new PowerScaling( 1.0 / m_fExponent ); 252*cdf0e10cSrcweir } 253*cdf0e10cSrcweir 254*cdf0e10cSrcweir ::rtl::OUString SAL_CALL 255*cdf0e10cSrcweir PowerScaling::getServiceName() 256*cdf0e10cSrcweir throw (uno::RuntimeException) 257*cdf0e10cSrcweir { 258*cdf0e10cSrcweir return lcl_aServiceName_Power; 259*cdf0e10cSrcweir } 260*cdf0e10cSrcweir 261*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > PowerScaling::getSupportedServiceNames_Static() 262*cdf0e10cSrcweir { 263*cdf0e10cSrcweir return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Power, 1 ); 264*cdf0e10cSrcweir } 265*cdf0e10cSrcweir 266*cdf0e10cSrcweir // implement XServiceInfo methods basing upon getSupportedServiceNames_Static 267*cdf0e10cSrcweir APPHELPER_XSERVICEINFO_IMPL( PowerScaling, lcl_aServiceName_Power ) 268*cdf0e10cSrcweir 269*cdf0e10cSrcweir //............................................................................. 270*cdf0e10cSrcweir } //namespace chart 271*cdf0e10cSrcweir //............................................................................. 272