OpenGL新手入门实验2view类的代码Word文档下载推荐.docx
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OpenGL新手入门实验2view类的代码Word文档下载推荐.docx
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ON_WM_CREATE()
ON_WM_SIZE()
ON_COMMAND(IDM_TRIANGLESTRIP,OnTrianglestrip)
ON_UPDATE_COMMAND_UI(IDM_TRIANGLESTRIP,OnUpdateTrianglestrip)
ON_COMMAND(IDM_TRIANGLES,OnTriangles)
ON_UPDATE_COMMAND_UI(IDM_TRIANGLES,OnUpdateTriangles)
ON_COMMAND(IDM_TRIANGLEFAN,OnTrianglefan)
ON_UPDATE_COMMAND_UI(IDM_TRIANGLEFAN,OnUpdateTrianglefan)
ON_COMMAND(IDM_QUADSTRIP,OnQuadstrip)
ON_UPDATE_COMMAND_UI(IDM_QUADSTRIP,OnUpdateQuadstrip)
ON_COMMAND(IDM_QUADRILATERS,OnQuadrilaters)
ON_UPDATE_COMMAND_UI(IDM_QUADRILATERS,OnUpdateQuadrilaters)
ON_COMMAND(IDM_POINTS,OnPoints)
ON_UPDATE_COMMAND_UI(IDM_POINTS,OnUpdatePoints)
ON_COMMAND(IDM_PLOYGONSTIPPLE,OnPloygonstipple)
ON_UPDATE_COMMAND_UI(IDM_PLOYGONSTIPPLE,OnUpdatePloygonstipple)
ON_COMMAND(IDM_PLOYGON,OnPloygon)
ON_UPDATE_COMMAND_UI(IDM_PLOYGON,OnUpdatePloygon)
ON_COMMAND(IDM_NONCONVEX,OnNonconvex)
ON_UPDATE_COMMAND_UI(IDM_NONCONVEX,OnUpdateNonconvex)
ON_COMMAND(IDM_LINESRIPPLE,OnLinesripple)
ON_UPDATE_COMMAND_UI(IDM_LINESRIPPLE,OnUpdateLinesripple)
ON_COMMAND(IDM_LINES,OnLines)
ON_UPDATE_COMMAND_UI(IDM_LINES,OnUpdateLines)
ON_COMMAND(IDM_LINELOOP,OnLineloop)
ON_UPDATE_COMMAND_UI(IDM_LINELOOP,OnUpdateLineloop)
ON_COMMAND(IDM_CUBE,OnCube)
ON_UPDATE_COMMAND_UI(IDM_CUBE,OnUpdateCube)
//}}AFX_MSG_MAP
//Standardprintingcommands
ON_COMMAND(ID_FILE_PRINT,CView:
:
OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT,CView:
ON_COMMAND(ID_FILE_PRINT_PREVIEW,CView:
OnFilePrintPreview)
END_MESSAGE_MAP()
//CExam3Viewconstruction/destruction
CExam3View:
CExam3View()
{
m_twoDShape=Points;
}
~CExam3View()
BOOLCExam3View:
PreCreateWindow(CREATESTRUCT&
cs)
returnCView:
PreCreateWindow(cs);
//CExam3Viewdrawing
voidCExam3View:
OnDraw(CDC*pDC)
CExam3Doc*pDoc=GetDocument();
ASSERT_VALID(pDoc);
Draw();
//调用Draw()函数
//CExam3Viewprinting
OnPreparePrinting(CPrintInfo*pInfo)
returnDoPreparePrinting(pInfo);
OnBeginPrinting(CDC*/*pDC*/,CPrintInfo*/*pInfo*/)
//TODO:
addextrainitializationbeforeprinting
OnEndPrinting(CDC*/*pDC*/,CPrintInfo*/*pInfo*/)
addcleanupafterprinting
//CExam3Viewdiagnostics
AssertValid()const
CView:
AssertValid();
Dump(CDumpContext&
dc)const
Dump(dc);
CExam3Doc*CExam3View:
GetDocument()//non-debugversionisinline
ASSERT(m_pDocument->
IsKindOf(RUNTIME_CLASS(CExam3Doc)));
return(CExam3Doc*)m_pDocument;
#endif//_DEBUG
//CExam3Viewmessagehandlers
OnDestroy()
OnDestroy();
:
wglMakeCurrent(NULL,NULL);
wglDeleteContext(m_hRC);
intCExam3View:
OnCreate(LPCREATESTRUCTlpCreateStruct)
if(CView:
OnCreate(lpCreateStruct)==-1)
return-1;
gl_Init();
//初始化OpenGL绘图环境
return0;
//固定模式,必须这样自写的不用修改
OnSize(UINTnType,intcx,intcy)
{//每次都是需要修改的~!
OnSize(nType,cx,cy);
glViewport(0,0,cx,cy);
//设定视口大小
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-cx/2,cx/2,-cy/2,cy/2,-10,10);
//设置用户定义的绘图区域
//glFrustum();
//glOtho2D();
设置投影方式
Addyourmessagehandlercodehere
Draw()
glClearColor(1.0f,1.0f,1.0f,1.0f);
glClear(GL_COLOR_BUFFER_BIT);
//置窗口底色为白色
glColor3f(0.0f,0.0f,0.0f);
//设置绘图颜色为黑色
//可以将这几句话看成是一个整体,不需要改动直接用于Draw()函数中即可
switch(m_twoDShape)
{
casePoints:
DrawPoints();
break;
caseLines:
DrawLines();
caseLinesripple:
DrawLinestipple();
caseLinestrip:
DrawLinestrip();
caseLineloop:
DrawLineloop();
casePloygon:
DrawPloygon();
casePloygonstipple:
DrawPloygonstipple();
caseTriangles:
DrawTriangles();
caseTrianglestrip:
DrawTrianglestrip();
caseTrianglefan:
DrawTriangleFan();
caseQuadrilaters:
DrawQuadrilaters();
caseQuadstrip:
DrawQuadStrip();
caseNonconvex:
DrawNonconvex();
caseCube:
DrawCube();
}
//SwapBuffers(m_hDC);
//glFlush();
//显示上述OpenGL命令的执行效果
//这两句话要么加载在调用函数处,要么加载在函数体内,但是不能重复加载
gl_Init()
PIXELFORMATDESCRIPTORpfd={
sizeof(PIXELFORMATDESCRIPTOR),//数据结构大小
1,//数据结构版本号
PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,//缓冲区可以在窗口上绘图,支持OpenGL绘图
24,//深度颜色缓冲区位数
0,0,0,0,0,0,//忽略颜色位
0,0,0,//没有非透明度缓存,忽略移位位,无累加缓存
0,0,0,0,//忽略累加位
32,//32位深度缓存
0,//无模板缓存
0,//无辅助缓存
PFD_MAIN_PLANE,//主层
0,//保留
0,0,0,//忽略层,可见性和损毁掩模
};
//得到当前正在使用的绘图设备句柄
m_hDC=GetDC()->
GetSafeHdc();
/*根据当前绘图设备的特性,为之选择一个与pfd所指定的格式相匹配的像素格式,存于nPixelFormat中。
*/
intnPixelFormat=:
ChoosePixelFormat(m_hDC,&
pfd);
//将当前绘图设备的像素格式设为nPixelFormat
SetPixelFormat(m_hDC,nPixelFormat,&
//根据当前绘图设备,创建一个像素格式与之相匹配的OpenGL的绘图上下文
m_hRC=:
wglCreateContext(m_hDC);
/*指定OpenGL的绘图上下文是m_hRC,并且建立它与当前绘图设备m_hDC间的连接,下列函数执行后,所有绘图命令的结果都出现在设备m_hDC上*/
wglMakeCurrent(m_hDC,m_hRC);
//gl_Enable()函数的调用做深度测试来消隐
gl_Point(GLintx,GLinty)
glBegin(GL_POINTS);
//画一个点
glVertex2d(x,y);
//默认颜色为黑色
glEnd();
OnTrianglestrip()
m_twoDShape=Trianglestrip;
Invalidate();
//经典句型,凡是点击相应程序均有这句话,但是声明的变量名和枚举类型名不一样
OnUpdateTrianglestrip(CCmdUI*pCmdUI)
AddyourcommandupdateUIhandlercodehere
if(m_twoDShape==Trianglestrip)
pCmdUI->
SetCheck(TRUE);
else
SetCheck(FALSE);
//经典的更新函数体(具体用法同上)
OnTriangles()
Addyourcommandhandlercodehere
m_twoDShape=Triangles;
OnUpdateTriangles(CCmdUI*pCmdUI)
if(m_twoDShape==Triangles)
OnTrianglefan()
m_twoDShape=Trianglefan;
OnUpdateTrianglefan(CCmdUI*pCmdUI)
OnQuadstrip()
m_twoDShape=Quadstrip;
OnUpdateQuadstrip(CCmdUI*pCmdUI)
OnQuadrilaters()
m_twoDShape=Quadrilaters;
OnUpdateQuadrilaters(CCmdUI*pCmdUI)
if(m_twoDShape==Quadrilaters)
OnPoints()
OnUpdatePoints(CCmdUI*pCmdUI)
if(m_twoDShape==Points)
OnPloygonstipple()
m_twoDShape=Ploygonstipple;
OnUpdatePloygonstipple(CCmdUI*pCmdUI)
if(m_twoDShape==Ploygonstipple)
OnPloygon()
m_twoDShape=Ploygon;
OnUpdatePloygon(CCmdUI*pCmdUI)
if(m_twoDShape==Ploygon)
OnNonconvex()
m_twoDShape=Nonconvex;
OnUpdateNonconvex(CCmdUI*pCmdUI)
if(m_twoDShape==Nonconvex)
OnLinesripple()
m_twoDShape=Linesripple;
OnUpdateLinesripple(CCmdUI*pCmdUI)
if(m_twoDShape==Linesripple)
OnLines()
m_twoDShape=Lines;
OnUpdateLines(CCmdUI*pCmdUI)
if(m_twoDShape==Lines)
OnLineloop()
m_twoDShape=Lineloop;
OnUpdateLineloop(CCmdUI*pCmdUI)
AddyourcommandupdateUI
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- OpenGL 新手入门 实验 view 代码