chart2/source/inc/Scaling.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #pragma once
  20
  21 #include <com/sun/star/chart2/XScaling.hpp>
  22 #include <com/sun/star/lang/XServiceInfo.hpp>
  23 #include <com/sun/star/lang/XServiceName.hpp>
  24 #include <cppuhelper/implbase.hxx>
  25
  26 namespace chart
  27 {
  28
  29 class LogarithmicScaling final :
  30         public ::cppu::WeakImplHelper<
  31         css::chart2::XScaling,
  32         css::lang::XServiceName,
  33         css::lang::XServiceInfo
  34         >
  35 {
  36 public:
  37     /// base is 10.0
  38     explicit LogarithmicScaling();
  39     LogarithmicScaling( double fBase );
  40     virtual ~LogarithmicScaling() override;
  41
  42     /// declare XServiceInfo methods
  43     virtual OUString SAL_CALL getImplementationName() override;
  44     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  45     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  46
  47     // ____ XScaling ____
  48     virtual double SAL_CALL doScaling( double value ) override;
  49
  50     virtual css::uno::Reference<
  51         css::chart2::XScaling > SAL_CALL
  52         getInverseScaling() override;
  53
  54     // ____ XServiceName ____
  55     virtual OUString SAL_CALL getServiceName() override;
  56
  57 private:
  58     const double m_fBase;
  59     const double m_fLogOfBase;
  60 };
  61
  62 class ExponentialScaling final :
  63         public ::cppu::WeakImplHelper<
  64         css::chart2::XScaling,
  65         css::lang::XServiceName,
  66         css::lang::XServiceInfo
  67         >
  68 {
  69 public:
  70     /// base is 10.0
  71     explicit ExponentialScaling();
  72     explicit ExponentialScaling( double fBase );
  73     virtual ~ExponentialScaling() override;
  74
  75     /// declare XServiceInfo methods
  76     virtual OUString SAL_CALL getImplementationName() override;
  77     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  78     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  79
  80     // ____ XScaling ____
  81     virtual double SAL_CALL
  82     doScaling( double value ) override;
  83
  84     virtual css::uno::Reference< css::chart2::XScaling > SAL_CALL
  85     getInverseScaling() override;
  86
  87     // ____ XServiceName ____
  88     virtual OUString SAL_CALL getServiceName() override;
  89
  90 private:
  91     const double m_fBase;
  92 };
  93
  94 class LinearScaling final : public ::cppu::WeakImplHelper<
  95         css::chart2::XScaling,
  96         css::lang::XServiceName,
  97         css::lang::XServiceInfo
  98         >
  99 {
 100 public:
 101     /// y(x) = x
 102     explicit LinearScaling();
 103     /// y(x) = fSlope * x + fOffset
 104     LinearScaling( double fSlope, double fOffset );
 105     virtual ~LinearScaling() override;
 106
 107     /// declare XServiceInfo methods
 108     virtual OUString SAL_CALL getImplementationName() override;
 109     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
 110     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 111
 112     // ____ XScaling ____
 113     virtual double SAL_CALL doScaling( double value ) override;
 114
 115     virtual css::uno::Reference< css::chart2::XScaling > SAL_CALL
 116         getInverseScaling() override;
 117
 118     // ____ XServiceName ____
 119     virtual OUString SAL_CALL getServiceName() override;
 120
 121 private:
 122     const double m_fSlope;
 123     const double m_fOffset;
 124 };
 125
 126 class PowerScaling final : public ::cppu::WeakImplHelper<
 127         css::chart2::XScaling,
 128         css::lang::XServiceName,
 129         css::lang::XServiceInfo
 130         >
 131 {
 132 public:
 133     /// exponent 10.0
 134     explicit PowerScaling();
 135     explicit PowerScaling( double fExponent );
 136     virtual ~PowerScaling() override;
 137
 138     /// declare XServiceInfo methods
 139     virtual OUString SAL_CALL getImplementationName() override;
 140     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
 141     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 142
 143     // ____ XScaling ____
 144         virtual double SAL_CALL
 145     doScaling( double value ) override;
 146
 147      virtual css::uno::Reference< css::chart2::XScaling > SAL_CALL
 148     getInverseScaling() override;
 149
 150     // ____ XServiceName ____
 151     virtual OUString SAL_CALL getServiceName() override;
 152
 153 private:
 154     const double m_fExponent;
 155 };
 156
 157 } //namespace chart
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */