hhoopstestmodel.cpp

使用HOOPS库开发的一个教学演示工具。

// HhoopstestModel.cpp : implementation of the HhoopstestModel class
//

#include "StdAfx.h"
#include <afxtempl.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#include "hc.h"
#include "HStream.h"
#include "HOpcodeShell.h"
#include "HUtility.h"

#include "HhoopstestModel.h"
#include "HTools.h"
#include "hoopstest.h"
#include ".\hhoopstestmodel.h"


HhoopstestModel::HhoopstestModel()
{
	m_bSolidModel = false;
	SetBRepGeometry(false);


}

HhoopstestModel::~HhoopstestModel()
{
	// Model cleanup : delete all the entities from the 
	// partition associated with this model
	DeleteAllEntities();
}

// Delete all the entities in the current model from the 
// modeller and associated HOOPS geometry
void HhoopstestModel::DeleteAllEntities()
{


}





// our application-specific read function
HFileInputResult HhoopstestModel::Read(const char * FileName) 
{   
	CWaitCursor show_hourglass_cursor_through_this_function;

	unsigned int i;
	HFileInputResult success = InputOK;

	// get the file extension
	char extension[120]; 
	HUtility::FindFileNameExtension(FileName, extension);



	// read the file into the model object's model segment
    HC_Open_Segment_By_Key(m_ModelKey);	

		HC_Open_Segment("main");
			{
				// No special read - let the base class handle
				m_bSolidModel = false;
				success = HBaseModel::Read(FileName);
			}

 		HC_Close_Segment();
    HC_Close_Segment();

    return success;
}

// our application-specific write function
bool HhoopstestModel::Write(const char * FileName, HBaseView * view, 
									int version, int width, int height) 
{   
	CWaitCursor show_hourglass_cursor_through_this_function;

	unsigned int i;
	bool success = true;
 
	// get the file extension
	char extension[120]; 
	HUtility::FindFileNameExtension(FileName, extension);

	{
		if(!HBaseModel::Write(FileName, view, width, height))
			success = false;
	}
 
    return success;
}


// Override the base class function to add setting of user value 
// on the segment. This helps in HNet, when we emit this segment 
// the peers understand our rendermode setting better.
void HhoopstestModel::SetBRepGeometry(bool brep)
{
	if (brep)
	{
		HC_KEY key = GetModelKey();
		HC_Open_Segment_By_Key(key);
			HC_Set_User_Value(1L);
		HC_Close_Segment();
	}

	HBaseModel::SetBRepGeometry(brep);
}