C / C++ / MFC

<br />
#include <iostream><br />
#include <windows.h><br />
#include <ddraw.h><br />
<br />
#include "resource.h"<br />
using namespace std;<br />
<br />
const char CLASS_NAME[]		= "game_proj";<br />
const char WINDOW_NAME[]	= "game_proj";<br />
<br />
const int ResX	= 1024;<br />
const int ResY	= 768;<br />
const int iColor	= 32;<br />
<br />
HINSTANCE g_hInst	= NULL;<br />
HWND g_hWnd			= NULL;<br />
LPDIRECTDRAW7 g_pDD = NULL;<br />
<br />
LPDIRECTDRAWSURFACE7 g_lpDDSPrimary;<br />
LPDIRECTDRAWSURFACE7 g_lpDDSBack;<br />
<br />
LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg, WPARAM wParam,<br />
						 LPARAM lParam);<br />
BOOL InitiateWindow();<br />
BOOL InitiateDD();<br />
void ProcessIdle();<br />
void CleanUp();<br />
<br />
WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,<br />
			   LPSTR lpCmdLine, int iCmdShow)<br />
{<br />
	HWND hWnd;<br />
	MSG msg;<br />
<br />
	g_hInst = hInstance;<br />
	InitiateWindow();<br />
<br />
	hWnd = CreateWindow(CLASS_NAME,<br />
		WINDOW_NAME,<br />
		WS_POPUP,<br />
		CW_USEDEFAULT,<br />
		CW_USEDEFAULT,<br />
		GetSystemMetrics(SM_CXSCREEN),<br />
		GetSystemMetrics(SM_CYSCREEN),<br />
		NULL,<br />
		NULL,<br />
		g_hInst,<br />
		NULL);<br />
<br />
	if(!hWnd)<br />
		return 0;<br />
<br />
	g_hWnd = hWnd;<br />
	if(InitiateDD() < 0)<br />
	{<br />
		CleanUp();<br />
		return 0;<br />
	}<br />
<br />
	ShowWindow(hWnd, iCmdShow);<br />
	UpdateWindow(hWnd);<br />
<br />
	while(true)<br />
	{<br />
		if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))<br />
		{<br />
			if(msg.message == WM_QUIT)<br />
				break;<br />
<br />
			TranslateMessage(&msg);<br />
			DispatchMessage(&msg);<br />
		}<br />
		else ProcessIdle();<br />
	}<br />
<br />
	return msg.wParam;<br />
}<br />
<br />
BOOL InitiateWindow()<br />
{<br />
	WNDCLASSEX WndClass;<br />
<br />
	WndClass.cbClsExtra		= 0;<br />
	WndClass.cbSize			= sizeof(WndClass);<br />
	WndClass.cbWndExtra		= NULL;<br />
	WndClass.hbrBackground	= (HBRUSH)GetStockObject(WHITE_BRUSH);<br />
	WndClass.hCursor		= LoadCursor(g_hInst, IDC_ARROW);<br />
	WndClass.hIcon			= LoadIcon(g_hInst, IDI_APPLICATION);<br />
	WndClass.hIconSm		= LoadIcon(g_hInst, IDI_APPLICATION);<br />
	WndClass.hInstance		= g_hInst;<br />
	WndClass.lpfnWndProc	= WndProc;<br />
	WndClass.lpszClassName	= CLASS_NAME;<br />
	WndClass.lpszMenuName	= NULL;<br />
	WndClass.style			= CS_HREDRAW|CS_VREDRAW;<br />
	<br />
	return RegisterClassEx(&WndClass);<br />
}<br />
<br />
BOOL InitiateDD()<br />
{<br />
	DDSURFACEDESC2 ddsd;<br />
	DDSCAPS2 ddscaps;<br />
<br />
	int ddrval = DirectDrawCreateEx(NULL, (VOID**)&g_pDD, IID_IDirectDraw7,<br />
		NULL);<br />
<br />
	if(ddrval != DD_OK)<br />
		return -1;<br />
<br />
    ddrval = g_pDD->SetCooperativeLevel(g_hWnd, DDSCL_EXCLUSIVE|<br />
		DDSCL_FULLSCREEN);<br />
<br />
	if(ddrval != DD_OK)<br />
		return -2;<br />
    <br />
	ddrval = g_pDD->SetDisplayMode(1024, 768, 32, 0, 0);<br />
<br />
	if(ddrval != DD_OK)<br />
		return -3;<br />
<br />
	ZeroMemory(&ddsd, sizeof(ddsd));<br />
	ddsd.dwSize			= sizeof(ddsd);<br />
	ddsd.dwFlags		= DDSD_CAPS | DDSD_BACKBUFFERCOUNT;<br />
	ddsd.ddsCaps.dwCaps	= DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP |<br />
      DDSCAPS_COMPLEX;<br />
	ddsd.dwBackBufferCount	= 1;<br />
<br />
	ddrval = g_pDD->CreateSurface(&ddsd, &g_lpDDSPrimary, NULL);<br />
<br />
	if(ddrval != DD_OK)<br />
		return -4;<br />
<br />
	ZeroMemory(&ddscaps, sizeof(ddscaps));<br />
	ddscaps.dwCaps	= DDSCAPS_BACKBUFFER;<br />
	ddrval = g_lpDDSPrimary->GetAttachedSurface(&ddscaps, &g_lpDDSBack);<br />
<br />
	if(ddrval != DD_OK)<br />
		return -5;<br />
<br />
	return true;<br />
}<br />
<br />
LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg, WPARAM wParam,<br />
						 LPARAM lParam)<br />
{<br />
	HDC hdc;<br />
	PAINTSTRUCT ps;<br />
<br />
	switch(iMsg)<br />
	{<br />
	case WM_PAINT:<br />
		{<br />
		        hdc = BeginPaint(hWnd, &ps);<br />
			EndPaint(hWnd, &ps);<br />
		}<br />
		break;<br />
	case WM_QUIT:<br />
	case WM_DESTROY:<br />
		PostQuitMessage(0);<br />
	}<br />
<br />
	return DefWindowProc(hWnd, iMsg, wParam, lParam);<br />
}<br />
<br />
void ProcessIdle()<br />
{<br />
	HBITMAP hbm;<br />
	HDC hdc;<br />
	HDC hdc_bmp;<br />
<br />
	g_lpDDSPrimary->GetDC(&hdc);<br />
	hdc_bmp = CreateCompatibleDC(NULL);<br />
<br />
	hbm = LoadBitmap(g_hInst, MAKEINTRESOURCE(IDB_BITMAP1));<br />
	SelectObject(hdc_bmp,hbm);<br />
	BitBlt(hdc,0,0,72,72,hdc_bmp,0,0,SRCCOPY);<br />
}<br />
<br />
void CleanUp()<br />
{<br />
	if(g_lpDDSBack)<br />
		g_lpDDSBack->Release();<br />
	if(g_lpDDSPrimary)<br />
		g_lpDDSPrimary->Release();<br />
	if(g_pDD)<br />
		g_pDD->Release();<br />
}