www.pudn.com > testproj.rar > dlgTest.cpp

// dlgTest.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "testproj.h" 
#include "dlgTest.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CdlgTest dialog 
 
 
CdlgTest::CdlgTest(CWnd* pParent /*=NULL*/) 
	: CDialog(CdlgTest::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CdlgTest) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
} 
 
 
void CdlgTest::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CdlgTest) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CdlgTest, CDialog) 
	//{{AFX_MSG_MAP(CdlgTest) 
	ON_WM_SIZE() 
	ON_WM_PAINT() 
	ON_WM_CREATE() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CdlgTest message handlers 
 
bool CdlgTest::SetWindowPixelFormat(HDC hDC) 
{ 
		 PIXELFORMATDESCRIPTOR pfd; 
   pfd.nSize=sizeof(PIXELFORMATDESCRIPTOR); //size of this pfd 
   pfd.nVersion=1; //version number 
   pfd.dwFlags=PFD_DRAW_TO_WINDOW| //support window 
		PFD_SUPPORT_OPENGL| //support opengl 
		PFD_DOUBLEBUFFER| //double buffered 
		PFD_STEREO_DONTCARE; 
   pfd.iPixelType=PFD_TYPE_RGBA; //RGBA type 
   pfd.cColorBits=32; //32-bit color depth 
   pfd.cRedBits=8; 
   pfd.cRedShift=16; 
   pfd.cGreenBits=8; 
   pfd.cGreenShift=8; 
   pfd.cBlueBits=8; 
   pfd.cBlueShift=0; 
   pfd.cAlphaBits=0; 
   pfd.cAlphaShift=0; 
   pfd.cAccumBits=64; 
   pfd.cAccumRedBits=16; 
   pfd.cAccumBlueBits=16; 
   pfd.cAccumGreenBits=16; 
   pfd.cDepthBits=32; 
   pfd.cStencilBits=8; 
   pfd.cAuxBuffers=0; 
   pfd.iLayerType=PFD_MAIN_PLANE; 
   pfd.bReserved=0; 
   pfd.dwLayerMask=0; 
   pfd.dwVisibleMask=0; 
   pfd.dwDamageMask=0; 
 
   int pixelformat; 
	if((pixelformat=ChoosePixelFormat(hDC,&pfd))==0) 
	{ 
		pixelformat=1; 
		if(DescribePixelFormat(hDC,pixelformat,sizeof(PIXELFORMATDESCRIPTOR),&pfd)==0) 
		{ 
			MessageBox("选择像素格式失败！"); 
			return FALSE; 
		} 
	} 
     
	//设置像素格式 
	if(SetPixelFormat(hDC,pixelformat,&pfd)==FALSE) 
	{ 
		MessageBox("设置像素格式失败！"); 
		return FALSE; 
	} 
	return TRUE; 
} 
 
void CdlgTest::OnSize(UINT nType, int cx, int cy)  
{ 
	CDialog::OnSize(nType, cx, cy); 
	glViewport(0,0,cx,cy); 
	glMatrixMode(GL_PROJECTION); 
	glLoadIdentity(); 
	gluPerspective(45,(GLdouble)cx/(GLdouble)cy,1,10.0); 
	glMatrixMode(GL_MODELVIEW); 
	 
	// TODO: Add your message handler code here 
	 
} 
 
bool CdlgTest::CreateViewGLContext(HDC hDC) 
{ 
	m_rc=wglCreateContext(hDC); 
		if(m_rc==NULL) 
			return FALSE; 
		//选择绘制情景对象 
		if(wglMakeCurrent(hDC,m_rc)==FALSE) 
			return FALSE; 
		return TRUE; 
 
} 
 
 
void CdlgTest::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	// TODO: Add your message handler code here 
	HWND hWnd=GetSafeHwnd(); 
    HDC hDC=::GetDC(hWnd); 
	wglMakeCurrent(hDC,m_rc); 
/*	if (!LoadGLTextures())								// Jump To Texture Loading Routine ( NEW ) 
	{ 
		return;									// If Texture Didn't Load Return FALSE 
	}*/ 
 
	glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); 
	glDrawBuffer(GL_BACK); 
	glClearColor(1,1,1,1); 
	glClear(GL_COLOR_BUFFER_BIT); 
	glLoadIdentity(); 
	gluLookAt(5,5,5,0,0,0,0,1,0); 
	glColor3f(0,0,0); 
	auxSolidSphere(1.0f); 
	glFinish(); 
	SwapBuffers(wglGetCurrentDC()); 
	glDrawBuffer(GL_FRONT);  
	 
	// Do not call CDialog::OnPaint() for painting messages 
} 
 
int CdlgTest::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CDialog::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	// TODO: Add your specialized creation code here 
		HWND hWnd=GetSafeHwnd(); 
	HDC hDC=::GetDC(hWnd); 
	if(SetWindowPixelFormat(hDC)==FALSE) 
		return 0; 
	if(CreateViewGLContext(hDC)==FALSE) 
		return 0; 
//	glClearColor(0.0f,0.75f,0.75f,1.0f); 
	glPolygonMode(GL_FRONT,GL_LINE); 
	glPolygonMode(GL_BACK,GL_LINE); 
	glShadeModel(GL_FLAT); 
	glEnable(GL_NORMALIZE); 
     
	glClearDepth(1.0); 
	 
	return 0; 
}