Graphics

<br />
#include <windows.h><br />
#include <gl/gl.h><br />
<br />
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int iCmdShow)<br />
{<br />
	HDC hDC;<br />
	HGLRC hRC;<br />
	float theta = 0.0f;<br />
	<br />
<br />
	PIXELFORMATDESCRIPTOR pfd;<br />
	int format;<br />
	<br />
	// get the device context for the whole screen instead of a window<br />
	hDC = GetWindowDC(NULL);<br />
	<br />
	// set the pixel format for the DC<br />
	ZeroMemory( &pfd, sizeof( pfd ) );<br />
	pfd.nSize = sizeof( pfd );<br />
	pfd.nVersion = 1;<br />
	pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;<br />
	pfd.iPixelType = PFD_TYPE_RGBA;<br />
	pfd.cColorBits = 24;<br />
	pfd.cDepthBits = 16;<br />
	pfd.iLayerType = PFD_MAIN_PLANE;<br />
	format = ChoosePixelFormat( hDC, &pfd );<br />
	SetPixelFormat( hDC, format, &pfd );<br />
	<br />
	// create and enable the render context (RC)<br />
	hRC = wglCreateContext( hDC );<br />
	wglMakeCurrent( hDC, hRC );<br />
	<br />
<br />
	while ( true )<br />
	{<br />
		glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );<br />
		glClear( GL_COLOR_BUFFER_BIT );<br />
			<br />
		glPushMatrix();<br />
		glRotatef( theta, 0.0f, 0.0f, 1.0f );<br />
		glBegin( GL_TRIANGLES );<br />
		glColor3f( 1.0f, 0.0f, 0.0f ); glVertex2f( 0.0f, 1.0f );<br />
		glColor3f( 0.0f, 1.0f, 0.0f ); glVertex2f( 0.87f, -0.5f );<br />
		glColor3f( 0.0f, 0.0f, 1.0f ); glVertex2f( -0.87f, -0.5f );<br />
		glEnd();<br />
		glPopMatrix();<br />
			<br />
		SwapBuffers( hDC );<br />
			<br />
		theta += 1.0f;<br />
	}<br />
	<br />
	return 0;<br />
	<br />
}<br />