| [14] | 1 | // created: 2013/06/27
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| 2 | // filename: MeanFilter.h
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| 3 | //
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| 4 | // author: Guillaume Sanahuja
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| 5 | // Copyright Heudiasyc UMR UTC/CNRS 7253
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| 6 | //
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| 7 | // version: $Id: $
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| 8 | //
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| 9 | // purpose: object computing a mean filter
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| 10 | //
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| 11 | //
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| 12 | /*********************************************************************/
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| 13 |
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| 14 | #ifndef MEANFILTER_H
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| 15 | #define MEANFILTER_H
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| 16 |
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| [16] | 17 | // we fix the max number of elements to compute the mean
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| 18 | // this is a simple example, it should be dynamical
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| [14] | 19 | #define MAX_NUMBER_OF_ELEMENTS 200
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| 20 |
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| [16] | 21 | // necessary include, as IODevice is a base of our class
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| [14] | 22 | #include <IODevice.h>
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| 23 |
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| [16] | 24 | // forward declaration for other classes
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| [14] | 25 | namespace flair {
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| [16] | 26 | namespace core {
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| 27 | class cvmatrix;
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| [14] | 28 | }
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| [16] | 29 | namespace gui {
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| 30 | class LayoutPosition;
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| 31 | class GroupBox;
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| 32 | class SpinBox;
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| 33 | }
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| 34 | }
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| [14] | 35 |
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| [16] | 36 | // MeanFilter is a class computing a mean
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| [14] | 37 | // based on a parametrizable number of elements
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| 38 | // it derives on IODevice as it as an input and an output
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| 39 | // it is a filter, we extend the namespace
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| [16] | 40 | namespace flair {
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| 41 | namespace filter {
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| 42 | class MeanFilter : public core::IODevice {
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| [14] | 43 |
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| [16] | 44 | public:
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| 45 | /*!
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| 46 | * \brief Constructor
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| 47 | *
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| 48 | * Builds a mean filter. \n
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| 49 | * After calling this function, position will be deleted as it is no longer
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| 50 | *usefull. \n
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| 51 | *
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| 52 | * \param parent IODevice to use as parent
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| 53 | * \param position where to place settings
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| 54 | * \param name name of the object
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| 55 | */
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| 56 | MeanFilter(const core::IODevice *parent, const gui::LayoutPosition *position,
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| 57 | std::string name);
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| [14] | 58 |
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| [16] | 59 | /*!
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| 60 | * \brief Destructor
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| 61 | */
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| 62 | ~MeanFilter();
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| [14] | 63 |
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| [16] | 64 | /*!
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| 65 | * \brief Output matrix
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| 66 | *
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| 67 | * allows to access output matrix, to get signal value or to put it in a graph.
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| 68 | *\n
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| 69 | *
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| 70 | * \return pointer to the output matrix
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| 71 | */
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| 72 | core::cvmatrix *GetMatrix(void) const;
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| [14] | 73 |
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| [16] | 74 | /*!
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| 75 | * \brief Value
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| 76 | *
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| 77 | * this method is equivalent to GetMatrix()->Value(0,0)
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| 78 | *
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| 79 | * \return actual mean value
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| 80 | */
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| 81 | float GetValue(void) const;
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| [14] | 82 |
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| [16] | 83 | private:
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| 84 | // UpdateFrom method from base class IODevice
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| 85 | void UpdateFrom(const core::io_data *data);
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| 86 | gui::GroupBox *groupBox;
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| 87 | gui::SpinBox *numberOfElements;
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| 88 | core::cvmatrix *output;
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| 89 | float previousValues[MAX_NUMBER_OF_ELEMENTS]; // previous values storage
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| 90 | };
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| 91 | } // end namespace filter
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| 92 | } // end namespace flair
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| [14] | 93 | #endif // MEANFILTER_H
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