| 1 | // %flair:license{
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| 2 | // This file is part of the Flair framework distributed under the
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| 3 | // CECILL-C License, Version 1.0.
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| 4 | // %flair:license}
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| 5 | /*!
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| 6 | * \file EulerDerivative.h
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| 7 | * \brief Class defining an euler derivative
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| 8 | * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253
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| 9 | * \date 2011/05/01
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| 10 | * \version 4.0
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| 11 | */
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| 12 |
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| 13 | #ifndef EULERDERIVATIVE_H
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| 14 | #define EULERDERIVATIVE_H
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| 15 |
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| 16 | #include <IODevice.h>
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| 17 |
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| 18 | namespace flair
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| 19 | {
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| 20 | namespace core
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| 21 | {
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| 22 | class cvmatrix;
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| 23 | }
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| 24 | namespace gui
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| 25 | {
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| 26 | class LayoutPosition;
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| 27 | }
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| 28 | }
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| 29 |
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| 30 | class EulerDerivative_impl;
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| 31 |
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| 32 | namespace flair
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| 33 | {
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| 34 | namespace filter
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| 35 | {
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| 36 | /*! \class EulerDerivative
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| 37 | *
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| 38 | * \brief Class defining an euler derivative
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| 39 | */
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| 40 |
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| 41 | class EulerDerivative : public core::IODevice
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| 42 | {
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| 43 | public:
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| 44 | /*!
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| 45 | * \brief Constructor
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| 46 | *
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| 47 | * Construct an EulerDerivative at given position. \n
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| 48 | * After calling this function, position will be deleted as it is no longer usefull. \n
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| 49 | * The filter is automatically updated when parent's
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| 50 | * IODevice::ProcessUpdate is called. \n
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| 51 | * The optional init_value parameters allow to specify
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| 52 | * the size of the input datas and its inital values.
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| 53 | * If unspecified, a 1*1 size is used, and values are
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| 54 | * initialized with 0.
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| 55 | *
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| 56 | * \param parent parent
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| 57 | * \param position position to display settings
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| 58 | * \param name name
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| 59 | * \param init_value initial value
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| 60 | */
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| 61 | EulerDerivative(const core::IODevice* parent,const gui::LayoutPosition* position,std::string name,const core::cvmatrix* init_value=NULL);
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| 62 |
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| 63 | /*!
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| 64 | * \brief Destructor
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| 65 | *
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| 66 | */
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| 67 | ~EulerDerivative();
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| 68 |
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| 69 | /*!
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| 70 | * \brief Output value
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| 71 | *
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| 72 | * \param row row element
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| 73 | * \param col column element
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| 74 | *
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| 75 | * \return element value
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| 76 | */
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| 77 | float Output(int row, int col) const;
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| 78 |
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| 79 | /*!
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| 80 | * \brief Output matrix
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| 81 | *
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| 82 | * \return filtered output
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| 83 | */
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| 84 | core::cvmatrix *Matrix(void) const;
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| 85 |
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| 86 | private:
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| 87 | /*!
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| 88 | * \brief Update using provided datas
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| 89 | *
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| 90 | * Reimplemented from IODevice.
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| 91 | *
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| 92 | * \param data data from the parent to process
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| 93 | */
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| 94 | void UpdateFrom(const core::io_data *data);
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| 95 |
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| 96 | class EulerDerivative_impl* pimpl_;
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| 97 | };
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| 98 | } // end namespace filter
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| 99 | } // end namespace flair
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| 100 | #endif // EULERDERIVATIVE_H
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