stlviewerview.cpp

用vc编的stlview着重版

// STLViewerView.cpp : implementation of the CSTLViewerView class
//

#include "stdafx.h"
#include "STLViewer.h"

#include "STLViewerDoc.h"
#include "STLViewerView.h"

#include "MainFrm.h"
//#include "..\inc\cadbase\cadbase.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CSTLViewerView

IMPLEMENT_DYNCREATE(CSTLViewerView, CGLView)

BEGIN_MESSAGE_MAP(CSTLViewerView, CGLView)
	//{{AFX_MSG_MAP(CSTLViewerView)
	ON_COMMAND(ID_VIEW_BACK, OnViewBack)
	ON_COMMAND(ID_VIEW_BOTTOM, OnViewBottom)
	ON_COMMAND(ID_VIEW_FRONT, OnViewFront)
	ON_COMMAND(ID_VIEW_LEFT, OnViewLeft)
	ON_COMMAND(ID_VIEW_RIGHT, OnViewRight)
	ON_COMMAND(ID_VIEW_TOP, OnViewTop)
	ON_COMMAND(ID_VIEW_SW_ISOMETRIC, OnViewSWIsometric)
	ON_COMMAND(ID_VIEW_SE_ISOMETRIC, OnViewSEIsometric)
	ON_COMMAND(ID_VIEW_NE_ISOMETRIC, OnViewNEIsometric)
	ON_COMMAND(ID_VIEW_NW_ISOMETRIC, OnViewNWIsometric)
	ON_COMMAND(ID_VIEW_ZOOMALL, OnViewZoomall)
	ON_COMMAND(ID_VIEW_ZOOMIN, OnViewZoomin)
	ON_COMMAND(ID_VIEW_ZOOMOUT, OnViewZoomout)
	ON_COMMAND(ID_VIEW_SHADE, OnViewShade)
	ON_WM_LBUTTONDOWN()
	ON_WM_CONTEXTMENU()
	ON_WM_KEYDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSTLViewerView construction/destruction

CSTLViewerView::CSTLViewerView()
{
	// TODO: add construction code here

}

CSTLViewerView::~CSTLViewerView()
{
}

BOOL CSTLViewerView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CGLView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CSTLViewerView drawing
/*
void CSTLViewerView::OnDraw(CDC* pDC)
{
	CSTLViewerDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}
*/
/////////////////////////////////////////////////////////////////////////////
// CSTLViewerView diagnostics

#ifdef _DEBUG
void CSTLViewerView::AssertValid() const
{
	CView::AssertValid();
}

void CSTLViewerView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CSTLViewerDoc* CSTLViewerView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSTLViewerDoc)));
	return (CSTLViewerDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CSTLViewerView message handlers
void CSTLViewerView::RenderScene(COpenGLDC* pDC)
{
	CSTLViewerDoc* pDoc = GetDocument();
	ASSERT(pDoc);

	pDC->DrawCoord();

	if(!pDoc->m_Part.IsEmpty())
		pDoc->m_Part.Draw(pDC);
}

BOOL CSTLViewerView::GetBox(double& x0,double& y0,double& z0,double& x1,double& y1,double& z1)
{
	CSTLViewerDoc* pDoc = GetDocument();
	ASSERT(pDoc);

	if(!pDoc->m_Part.IsEmpty()){
		CBox3D box;
		if(pDoc->m_Part.GetBox(box)){
			x0 = box.x0; y0 = box.y0;	z0 = box.z0;
			x1 = box.x1; y1 = box.y1;   z1 = box.z1;
			return TRUE;
		}
	}

	return FALSE;
}

void CSTLViewerView::OnViewBack() 
{
	OnViewType(VIEW_BACK);
}

void CSTLViewerView::OnViewBottom() 
{
	OnViewType(VIEW_BOTTOM);
}

void CSTLViewerView::OnViewFront() 
{
	OnViewType(VIEW_FRONT);
}

void CSTLViewerView::OnViewLeft() 
{
	OnViewType(VIEW_LEFT);
}

void CSTLViewerView::OnViewRight() 
{
	OnViewType(VIEW_RIGHT);
}

void CSTLViewerView::OnViewTop() 
{
	OnViewType(VIEW_TOP);
}

void CSTLViewerView::OnViewSWIsometric()
{
	OnViewType(VIEW_SW_ISOMETRIC);
}

void CSTLViewerView::OnViewSEIsometric()
{
	OnViewType(VIEW_SE_ISOMETRIC);
}

void CSTLViewerView::OnViewNEIsometric()
{
	OnViewType(VIEW_NE_ISOMETRIC);
}

void CSTLViewerView::OnViewNWIsometric()
{
	OnViewType(VIEW_NW_ISOMETRIC);
}

void CSTLViewerView::OnViewZoomall() 
{
	ZoomAll();
}

void CSTLViewerView::OnViewZoomin() 
{
	Zoom(0.9);
}

void CSTLViewerView::OnViewZoomout() 
{
	Zoom(1.1);
}

void CSTLViewerView::OnViewShade() 
{
	m_pGLDC->Shading(!m_pGLDC->IsShading());
	Invalidate();
}

void CSTLViewerView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CSTLViewerDoc* pDoc = GetDocument();
	ASSERT(pDoc);

	if(!pDoc->m_Part.IsEmpty()){
		int hits;
		UINT items[64];
		m_pGLDC->BeginSelection(point.x,point.y);
		RenderScene(m_pGLDC);
		hits = m_pGLDC->EndSelection(items);
		CEntity* ent;
		if(hits){
			for(int i=0;i<hits;i++){
				ent = (CEntity*) items[i];
				ent->SetHighlight(!ent->IsHighlight());
			}
			Invalidate(FALSE);
		}
		CString str;
		str.Format("%d entities selected",hits);
		CMainFrame* frm = (CMainFrame*) AfxGetMainWnd();
		ASSERT(frm);
		frm->m_OutputDockBar.AddMessageLine(str);
	}

	CGLView::OnLButtonDown(nFlags, point);
}

void CSTLViewerView::OnContextMenu(CWnd* pWnd, CPoint point) 
{
	CMenu menu;
	VERIFY(menu.LoadMenu(IDR_CONTEXT_MENU));
	
	CMenu* pPopup = menu.GetSubMenu(0);
	ASSERT(pPopup);
	pPopup->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,
		point.y,this);
	
}

void CSTLViewerView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	switch(nChar){
	case VK_UP:
		MoveView(0.0,0.02);
		break;
	case VK_DOWN:
		MoveView(0.0,-0.02);
		break;
	case VK_RIGHT:
		MoveView(0.02,0);
		break;
	case VK_LEFT:
		MoveView(-0.02,0);
		break;
	}
		
	CGLView::OnKeyDown(nChar, nRepCnt, nFlags);
}