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81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOldStyleCallbackCommand.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkOldStyleCallbackCommand
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* @brief supports legacy function callbacks for VTK
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*
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* vtkOldStyleCallbackCommand is a callback that supports the legacy callback
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* methods found in VTK. For example, the legacy method
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* vtkProcessObject::SetStartMethod() is actually invoked using the
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* command/observer design pattern of VTK, and the vtkOldStyleCallbackCommand
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* is used to provide the legacy functionality. The callback function should
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* have the form void func(void *clientdata), where clientdata is special data
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* that should is associated with this instance of vtkCallbackCommand.
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*
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* @warning
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* This is legacy glue. Please do not use; it will be eventually eliminated.
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*
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* @sa
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* vtkCommand vtkCallbackCommand
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*/
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#ifndef vtkOldStyleCallbackCommand_h
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#define vtkOldStyleCallbackCommand_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkCommand.h"
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// the old style void fund(void *) callbacks
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class VTKCOMMONCORE_EXPORT vtkOldStyleCallbackCommand : public vtkCommand
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{
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public:
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vtkTypeMacro(vtkOldStyleCallbackCommand,vtkCommand);
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static vtkOldStyleCallbackCommand *New()
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{return new vtkOldStyleCallbackCommand;};
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/**
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* Satisfy the superclass API for callbacks.
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*/
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void Execute(vtkObject *invoker,
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unsigned long eid,
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void *calldata) VTK_OVERRIDE;
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//@{
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/**
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* Methods to set and get client and callback information.
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*/
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void SetClientData(void *cd)
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{this->ClientData = cd;};
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void SetCallback(void (*f)(void *clientdata))
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{this->Callback = f;};
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void SetClientDataDeleteCallback(void (*f)(void *))
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{this->ClientDataDeleteCallback = f;};
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//@}
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void *ClientData;
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void (*Callback)(void *);
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void (*ClientDataDeleteCallback)(void *);
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protected:
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vtkOldStyleCallbackCommand();
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~vtkOldStyleCallbackCommand() VTK_OVERRIDE;
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};
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#endif /* vtkOldStyleCallbackCommand_h */
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// VTK-HeaderTest-Exclude: vtkOldStyleCallbackCommand.h
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