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HOpCreateCylinder Class Reference

The HOpCreateCylinder class provides support for constructing a cylinder and inserting it into the model. More...

#include <HOpCreateCylinder.h>

Inheritance diagram for HOpCreateCylinder:

HOpConstructCylinder HBaseOperator

List of all members.

Public Member Functions

virtual HBaseOperatorClone ()
virtual const char * GetName ()
 HOpCreateCylinder (HBaseView *view, int DoRepeat=0, int DoCapture=1)
virtual int OnLButtonDown (HEventInfo &hevent)


Detailed Description

The HOpCreateCylinder class provides support for constructing a cylinder and inserting it into the model.

HOpCreateCylinder implements four of the mouse button event handlers defined on the base class and maps the event information to local methods that rubberband a cylinder and insert a corresponding HOOPS shell into the HOOPS database. This provides the basic functionality for drawing a three-dimensional, tesselated cylinder with a circular base, a circular cap of equivalent size, and a number of rectangular, facetted sides with the default as 30. The operation consists of the following steps:

  1. Left Button Down: Register the center point of the cylinder base.
  2. Left Button Down and Drag: Rubberbands the circular base to the desired circumference.
  3. Left Button Up: The base circumference finalized.
  4. No Button Down and Drag: Rubberbands the cylinder to the desired height.
  5. Left Button Down: The height is finalized, a cylinder is inserted into the model and the operation ends.
More Detailed Description: see event methods.

Constructor & Destructor Documentation

HOpCreateCylinder::HOpCreateCylinder ( HBaseView view,
int  DoRepeat = 0,
int  DoCapture = 1 
)

Constructs an HOpCreateCylinder object.

Parameters:
view A pointer to an HBaseView object.
DoRepeat An integer denoting whether this is a repeatable operator. This parameter has been deprecated.
DoCapture An integer denoting whether the mouse state should be captured, which means that all mouse events should be received after a mousedown, even if it leaves the window. This parameter has been deprecated.


Member Function Documentation

virtual HBaseOperator* HOpCreateCylinder::Clone (  )  [virtual]

Creates a new operator which is a copy of the current operator. The user is responsible for deleting the newly created operator.

Returns:
A pointer to the newly created HOpCreateCylinder object.

Reimplemented from HOpConstructCylinder.

virtual const char* HOpCreateCylinder::GetName (  )  [virtual]

Returns:
A pointer to a character string denoting the name of the operator which is 'Create Cylinder'.

Reimplemented from HOpConstructCylinder.

virtual int HOpCreateCylinder::OnLButtonDown ( HEventInfo hevent  )  [virtual]

OnLButtonDown records the first pointer position and initiates the cylinder-drawing mechanism. The first point is used as the center of the cylinder's circular base. If the drawing mechanism has already been started such as LButtonDown having been called once already, LButtonDown calls HUtilityGeometryCreation::CreateCylinder.

Parameters:
hevent An HEventInfo object containing information about the current event.
Returns:
An HOperatorReturn indicating the status of the event.

Reimplemented from HOpConstructCylinder.


The documentation for this class was generated from the following file: