Public Member Functions

MDrawProcedureBase Class Reference

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Detailed Description

Base user draw procedure class.

This class provides an interface through which a plug-in can be writen to implement a class to provide custom hardware drawing effects.

The derived class can be added, removed, or reordered in a list of draw procedures used by the hardware renderer. Please refer to documentation for MhardwareRenderer for more details.

Each procedure has a user defined string name and can be enabled or disabled. Name, and enabling methods must be defined.

All derived classes must over the execute() method. This is the method that will be called by the hardware renderer to which the procedure is attached. The call will only be made if the procedure is enabled.

Examples:

hwRenderPostEffect.cpp.

#include <MDrawProcedureBase.h>

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Public Member Functions

  MDrawProcedureBase (const MString &name)
  Constructor for a draw procedure.
virtual  ~MDrawProcedureBase ()
  Default destructor for a draw procedure.
virtual bool  execute ()=0
  This method gets called by the renderer to execture the draw procedure.
void  setEnabled (bool value)
  This method sets whether the draw procedure is enabled or not.
bool  enabled () const
  This method returns whether the draw procedure is enabled or not.
void  setName (const MString &name)
  This method sets the name for the draw procedure.
const MString name () const
  This method returns the name of the draw procedure.

Constructor & Destructor Documentation

MDrawProcedureBase ( const MString name )

Constructor for a draw procedure.

By default the procedure is disabled.

Parameters:
[in] name name of the procedure. This is a required argument.

Member Function Documentation

bool execute ( ) [pure virtual]

This method gets called by the renderer to execture the draw procedure.

Derived class of MDrawProcedureBase must implement this method as it defined as a pure virtual method on this class. The implementation is free to perform any drawing functionality from within this method.

Returns:
True if execution was successful.
Examples:
hwRenderPostEffect.cpp.
void setEnabled ( bool  value )

This method sets whether the draw procedure is enabled or not.

Parameters:
[in] value Boolean value to set the enabling state.
bool enabled ( ) const

This method returns whether the draw procedure is enabled or not.

Returns:
Boolean indicating enable state.
void setName ( const MString name )

This method sets the name for the draw procedure.

Parameters:
[in] name Name to set.

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