#include <HOpConstructNurbsCurve.h>
Public Member Functions | |
virtual HBaseOperator * | Clone () |
virtual const char * | GetName () |
HOpConstructNurbsCurve (HBaseView *view, int DoRepeat=0, int DoCapture=1) | |
virtual int | OnLButtonDblClk (HEventInfo &hevent) |
virtual int | OnLButtonDown (HEventInfo &hevent) |
virtual int | OnMButtonDown (HEventInfo &hevent) |
virtual int | OnNoButtonDownAndMove (HEventInfo &hevent) |
Protected Attributes | |
bool | m_bFirstTimeThrough |
int | m_Degree |
int | m_EndU |
float * | m_KnotsArray |
int | m_StartU |
float * | m_WeightsArray |
HOpConstructNurbsCurve implements one of the mouse event handlers defined on the base class and extends three of the mouse event handlers defined on HOpConstructPolyline. The class employs all of the drawing functionality of HOpConstructPolyline to draw a temporary, overlayed NURBS curve and associated 'control polyline' in the view plane, and then uses the HOOPS routine HC_Insert_NURBS_Curve to add a curve to the model.
The operation consists of the following steps:
HOpConstructNurbsCurve::HOpConstructNurbsCurve | ( | HBaseView * | view, | |
int | DoRepeat = 0 , |
|||
int | DoCapture = 1 | |||
) |
Constructs an HOpConstructNurbsCurve object.
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. |
virtual HBaseOperator* HOpConstructNurbsCurve::Clone | ( | ) | [virtual] |
Creates a new operator which is a copy of the current operator. The user is responsible for deleting the newly created operator.
Reimplemented from HOpConstructPolyline.
Reimplemented in HOpCreateNurbsCurve.
virtual const char* HOpConstructNurbsCurve::GetName | ( | ) | [virtual] |
Reimplemented from HOpConstructPolyline.
Reimplemented in HOpCreateNurbsCurve.
virtual int HOpConstructNurbsCurve::OnLButtonDblClk | ( | HEventInfo & | hevent | ) | [virtual] |
OnLButtonDblClk directs the final mouse position into the temp array, then inserts the array into the database as a NURBS curve. This function also takes care of any cleanup.
hevent | An HEventInfo object containing information about the current event. |
Reimplemented from HOpConstructPolyline.
Reimplemented in HOpCreateNurbsCurve.
virtual int HOpConstructNurbsCurve::OnLButtonDown | ( | HEventInfo & | hevent | ) | [virtual] |
OnLButtonDown records the first mouse position and initiates the polyline-drawing mechanism used in HOpConstructPolyline. When the number of points in the polyline array exceeds the degree of the NURBS curve where the default is 2, OnLButtonDown replaces the construction polyline with a construction NURBS curve.
hevent | An HEventInfo object containing information about the current event. |
Reimplemented from HOpConstructPolyline.
virtual int HOpConstructNurbsCurve::OnMButtonDown | ( | HEventInfo & | hevent | ) | [virtual] |
OnMButtonDown passes a middle-button down event to OnLButtonDown.
hevent | An HEventInfo object containing information about the current event. |
Reimplemented from HBaseOperator.
virtual int HOpConstructNurbsCurve::OnNoButtonDownAndMove | ( | HEventInfo & | hevent | ) | [virtual] |
OnNoButtonDownAndMove draws a rubberbanded polyline from the previous point in the array to the current mouse position. If the number of points in the array has exceeded the degree of the NURBS curve where the default is 2, the polyline construction segments will already have been replaced with a NURBS curve. In this case, OnNoButtonDownAndMove replaces the entire construction NURBS curve with an updated version that accounts for the current pointer position.
hevent | An HEventInfo object containing information about the current event. |
Reimplemented from HOpConstructPolyline.