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| #include <windows.h>
#include <Gl/gl.h>
#include <Gl/glu.h>
#include <Gl/glaux.h>
#pragma hdrstop
float angle=0.0f;
HDC g_HDC;
//---------------------------------------------------------------------------
#pragma argsused
//---------------------------------------------------------------------------
void SetupPixelFormat(HDC hDC)
{
int npixelformat;
static PIXELFORMATDESCRIPTOR pfd={
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32,
0,0,0,0,0,0,
0,
0,
0,
0,0,0,0,
16,
0,
0,
PFD_MAIN_PLANE,
0,
0,0,0};
npixelformat=ChoosePixelFormat(hDC,&pfd);
SetPixelFormat(hDC,npixelformat,&pfd);
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
static HGLRC hRC;
static HDC hDC;
char string[]="bonjour";
int width,height;
switch(message)
{
case WM_CREATE:
hDC =GetDC(hwnd);
g_HDC=hDC;
SetupPixelFormat(hDC);
hRC=wglCreateContext(hDC);
wglMakeCurrent(hDC,hRC);
return 0;
break;
case WM_CLOSE:
wglMakeCurrent(hDC,NULL);
wglDeleteContext(hRC);
PostQuitMessage(0);
return 0;
break;
case WM_SIZE:
height=HIWORD(lParam);
width=LOWORD(lParam);
if (height==0)
{
height=1;
}
glViewport(0,0,width,height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f,(GLfloat)width/(GLfloat)height,1.0f,1000.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
return 0;
break;
default: break;
}
return (DefWindowProc(hwnd,message,wParam,lParam));
}
int WINAPI WinMain (HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,
int nShowCmd)
{
WNDCLASSEX windowClass;
HWND hwnd;
MSG msg;
bool done;
windowClass.cbSize=sizeof(WNDCLASSEX);
windowClass.style=CS_HREDRAW | CS_VREDRAW;
windowClass.lpfnWndProc=WndProc;
windowClass.cbClsExtra=0;
windowClass.cbWndExtra=0;
windowClass.hInstance=hInstance;
windowClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
windowClass.hCursor=LoadCursor(NULL,IDC_ARROW);
windowClass.hbrBackground=NULL;
windowClass.lpszMenuName=NULL;
windowClass.lpszClassName="Maclass";
windowClass.hIconSm=LoadIcon(NULL,IDI_WINLOGO);
if (!RegisterClassEx(&windowClass))
return 0;
hwnd =CreateWindowEx(NULL,
"maclass",
"opengl apllication",
WS_OVERLAPPEDWINDOW | WS_VISIBLE |
WS_SYSMENU | WS_CLIPCHILDREN |
WS_CLIPSIBLINGS,
100,100,
400,400,
NULL,
NULL,
hInstance,
NULL);
if (!hwnd)
return 0;
ShowWindow(hwnd,SW_SHOW);
UpdateWindow(hwnd);
done=false;
while (!done)
{
PeekMessage(&msg,hwnd,NULL,NULL,PM_REMOVE);
if (msg.message==WM_QUIT)
{
done=true;
}
else
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
angle=angle+0.1f;
if (angle >=360.0f)
angle = 0.0f;
glTranslatef(0.0f,0.0f,-5.0f);
glRotatef(angle,0.0f,0.0f,1.0f);
glColor3f(1.0f,0.0f,0.0f);
glBegin(GL_TRIANGLES);
glVertex3f(0.0f,0.0f,0.0f);
glVertex3f(1.0f,0.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glEnd();
SwapBuffers(g_HDC);
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return msg.wParam;
} |
