www.pudn.com > Kriging 算法实现 2D和3D地图等高线.zip > GLSurfaceView.cpp, change:2003-12-03,size:5013b

// GLSurfaceView.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "GLSurfaceView.h" 
#include "Dib.h" 
#include "Resource.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGLSurfaceView 
 
IMPLEMENT_DYNCREATE(CGLSurfaceView, CView) 
 
CGLSurfaceView::CGLSurfaceView() : m_bResize(true) 
{ 
	m_cur3Dmove = ::AfxGetApp()->LoadCursor(IDC_3DMOVECURSOR); 
	m_curMagnify = ::AfxGetApp()->LoadCursor(IDC_MAGNIFYCURSOR); 
} 
 
CGLSurfaceView::~CGLSurfaceView() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CGLSurfaceView, CView) 
	//{{AFX_MSG_MAP(CGLSurfaceView) 
	ON_WM_DESTROY() 
	ON_WM_ERASEBKGND() 
	ON_WM_SIZE() 
	ON_WM_MOUSEMOVE() 
	ON_WM_LBUTTONDOWN() 
	ON_WM_RBUTTONDOWN() 
	ON_COMMAND(ID_EDIT_COPY, OnEditCopy) 
	ON_WM_SETCURSOR() 
	ON_WM_RBUTTONUP() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGLSurfaceView drawing 
 
void CGLSurfaceView::OnDraw(CDC* pDC) 
{ 
	// TODO: add draw code here 
	if(m_bResize) { 
		CRect rect; 
		GetClientRect(&rect); 
		m_thickGrapher.Resize(rect.Width(), rect.Height()); 
		m_bResize = false; 
	} 
	m_thickGrapher.Render(); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CGLSurfaceView diagnostics 
 
#ifdef _DEBUG 
void CGLSurfaceView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CGLSurfaceView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CGLSurfaceView message handlers 
 
BOOL CGLSurfaceView::PreCreateWindow(CREATESTRUCT& cs)  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	cs.style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN; 
 
	return CView::PreCreateWindow(cs); 
} 
 
void CGLSurfaceView::OnInitialUpdate()  
{ 
	CView::OnInitialUpdate(); 
	 
	// TODO: Add your specialized creation code here 
	m_thickGrapher.Init(m_hWnd); 
} 
 
void CGLSurfaceView::OnDestroy()  
{ 
	CView::OnDestroy(); 
	 
	// TODO: Add your message handler code here 
	m_thickGrapher.Destroy(); 
} 
 
BOOL CGLSurfaceView::OnEraseBkgnd(CDC* pDC)  
{ 
	// TODO: Add your message handler code here and/or call default 
	 
	return FALSE; 
} 
 
void CGLSurfaceView::OnSize(UINT nType, int cx, int cy)  
{ 
	CView::OnSize(nType, cx, cy); 
	 
	// TODO: Add your message handler code here 
	m_thickGrapher.Resize(cx, cy); 
} 
 
void CGLSurfaceView::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if(nFlags & MK_LBUTTON) { 
		CSize rotate = m_ptStart - point; 
		m_ptStart = point; 
		m_thickGrapher.SetXRotation(m_thickGrapher.GetXRotation() + rotate.cy); 
		m_thickGrapher.SetYRotation(m_thickGrapher.GetYRotation() - rotate.cx); 
		Invalidate(FALSE); 
	} else if(nFlags & MK_RBUTTON) { 
		SetCursor(m_curMagnify); 
		CSize trans = m_ptStart - point; 
		m_ptStart = point; 
		m_thickGrapher.SetZTranslation(m_thickGrapher.GetZTranslation() + trans.cy/2); 
		Invalidate(FALSE); 
	} 
	CView::OnMouseMove(nFlags, point); 
} 
 
void CGLSurfaceView::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	m_ptStart = point; 
 
	CView::OnLButtonDown(nFlags, point); 
} 
 
void CGLSurfaceView::OnRButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	m_ptStart = point; 
	SetCursor(m_curMagnify); 
	CView::OnRButtonDown(nFlags, point); 
} 
 
void CGLSurfaceView::OnEditCopy()  
{ 
	// TODO: Add your command handler code here 
	CWaitCursor wait; 
 
	CClientDC scrDC(this); 
	CDC memDC;           // screen DC and memory DC 
	CBitmap bitmap; 
	CBitmap* pOldBitmap;  // handles to deice-dependent bitmaps 
 
	CRect rect; 
	GetClientRect(&rect); 
 
	memDC.CreateCompatibleDC(&scrDC); 
	/* create a bitmap compatible with the screen DC */ 
	bitmap.CreateCompatibleBitmap(&scrDC, rect.Width(), rect.Height()); 
 
	pOldBitmap = memDC.SelectObject(&bitmap);// select new bitmap into memory DC 
 
	memDC.BitBlt(0, 0, rect.Width(), rect.Height(), &scrDC, 0, 0, SRCCOPY); 
	HBITMAP hBitmap = (HBITMAP)bitmap.Detach(); 
 
	memDC.SelectObject(pOldBitmap); 
 
	// Place the copy on the clipboard. 
	::OpenClipboard(m_hWnd); 
    ::EmptyClipboard(); 
    ::SetClipboardData(CF_BITMAP, hBitmap); 
    ::CloseClipboard(); 
 
	// clean up  
	memDC.DeleteDC(); 
} 
 
BOOL CGLSurfaceView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if(nHitTest == HTCLIENT) { 
		SetCursor(m_cur3Dmove); 
		return TRUE; 
	} 
	return CView::OnSetCursor(pWnd, nHitTest, message); 
} 
 
void CGLSurfaceView::OnRButtonUp(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	SetCursor(m_cur3Dmove); 
	CView::OnRButtonUp(nFlags, point); 
}