106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
#pragma once
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#ifndef POTENTIAL_H
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#define POTENTIAL_H
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/**
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* @author Fabrizio Morciano <fabrizio.morciano@gmail.com>
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*/
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#include "tcommon.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TNZEXT_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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#include <assert.h>
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#include <stdexcept>
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#include <string>
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class TStroke;
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#if defined(_WIN32) && (_MSC_VER <= 1200)
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// to avoid annoying warning
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#pragma warning(push)
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#pragma warning(disable : 4290)
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#endif
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namespace ToonzExt
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{
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/**
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* @brief Potential is an abstraction to maintain a
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* mathematical potential function.
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*
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* It is used from StrokeDeformation to change
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* the behaviour of deformation that user need to do.
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*/
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class DVAPI
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Potential
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{
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bool isValid_;
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protected:
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/**
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* @brief The value of potential at parameter w on
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* the stroke.
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* @param w The parameter on stroke.
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*/
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virtual double
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value_(double w) const = 0;
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/**
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* @brief Change the parameter of object that has been created.
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*
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* This method is the real implementation that a potential
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* needs to implement.
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* @param theStroke The stroke to change.
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* @param w The parameter on stroke.
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* @param actionLength How many stroke to change.
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*/
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virtual void
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setParameters_(const TStroke *theStroke,
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double w,
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double actionLength) = 0;
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public:
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Potential();
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/**
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* @brief Just a wrapper for setParameters_.
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* @sa setParameters_
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*/
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void
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setParameters(const TStroke *ref,
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double w,
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double actionLength);
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/**
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* @brief Just a wrapper for value_.
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* @sa value_
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*/
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double
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value(double at) const;
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/**
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* @brief This is method required to use a Prototype Pattern.
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*/
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virtual Potential *clone() = 0;
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virtual ~Potential() {}
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};
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}
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#if defined(_WIN32) && (_MSC_VER <= 1200)
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#pragma warning(pop)
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#endif
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#endif /* POTENTIAL_H */
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//-----------------------------------------------------------------------------
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// End Of File
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//-----------------------------------------------------------------------------
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