#define WIN32_LEAN_AND_MEAN // just say no to MFC
#define INITGUID
#include // include important windows stuff
#include
#include
#include // include important C/C++ stuff
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include // include directdraw
// DEFINES ////////////////////////////////////////////////
// defines for windows
#define WINDOW_CLASS_NAME "WINCLASS1"
// default screen size
#define SCREEN_WIDTH 640 // size of screen
#define SCREEN_HEIGHT 480
#define SCREEN_BPP 16 // bits per pixel
// TYPES //////////////////////////////////////////////////////
// basic unsigned types
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned char UCHAR;
typedef unsigned char BYTE;
// MACROS /////////////////////////////////////////////////
#define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
#define KEYUP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)
// this builds a 16 bit color value in 5.5.5 format (1-bit alpha mode)
#define _RGB16BIT555(r,g,b) ((b & 31) + ((g & 31) << 5) + ((r & 31) << 10))
// this builds a 16 bit color value in 5.6.5 format (green dominate mode)
#define _RGB16BIT565(r,g,b) ((b & 31) + ((g & 63) << 5) + ((r & 31) << 11))
// initializes a direct draw struct
#define DDRAW_INIT_STRUCT(ddstruct) { memset(&ddstruct,0,sizeof(ddstruct)); ddstruct.dwSize=sizeof(ddstruct); }
// GLOBALS ////////////////////////////////////////////////
HWND main_window_handle = NULL; // globally track main window
HINSTANCE hinstance_app = NULL; // globally track hinstance
// directdraw stuff
//LPDIRECTGRAPHICS lp;
LPDIRECTDRAW7 lpdd = NULL; // dd object
LPDIRECTDRAWSURFACE7 lpddsprimary = NULL; // dd primary surface
LPDIRECTDRAWSURFACE7 lpddsback = NULL; // dd back surface
LPDIRECTDRAWPALETTE lpddpal = NULL; // a pointer to the created dd palette
LPDIRECTDRAWCLIPPER lpddclipper = NULL; // dd clipper
PALETTEENTRY palette[256]; // color palette
PALETTEENTRY save_palette[256]; // used to save palettes
DDSURFACEDESC2 ddsd; // a direct draw surface description struct
DDBLTFX ddbltfx; // used to fill
DDSCAPS2 ddscaps; // a direct draw surface capabilities struct
HRESULT ddrval; // result back from dd calls
DWORD start_clock_count = 0; // used for timing
char buffer[80]; // general printing buffer
// FUNCTIONS //////////////////////////////////////////////
LRESULT CALLBACK WindowProc(HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam)
{
// this is the main message handler of the system
PAINTSTRUCT ps; // used in WM_PAINT
HDC hdc; // handle to a device context
char buffer[80]; // used to print strings
// what is the message
switch (msg)
{
case WM_CREATE:
{
// do initialization stuff here
// return success
return(0);
} break;
case WM_PAINT:
{
// simply validate the window
hdc = BeginPaint(hwnd, &ps);
// end painting
EndPaint(hwnd, &ps);
// return success
return(0);
} break;
case WM_DESTROY:
{
// kill the application, this sends a WM_QUIT message
PostQuitMessage(0);
// return success
return(0);
} break;
default:break;
} // end switch
// process any messages that we didn't take care of
return (DefWindowProc(hwnd, msg, wparam, lparam));
} // end WinProc
////////////////////////////////////////////////////////////
// WINMAIN ////////////////////////////////////////////////
int WINAPI WinMain(HINSTANCE hinstance,
HINSTANCE hprevinstance,
LPSTR lpcmdline,
int ncmdshow)
{
WNDCLASSEX winclass; // this will hold the class we create
HWND hwnd; // generic window handle
MSG msg; // generic message
HDC hdc; // graphics device context
// first fill in the window class stucture
winclass.cbSize = sizeof(WNDCLASSEX);
winclass.style = CS_DBLCLKS | CS_OWNDC |
CS_HREDRAW | CS_VREDRAW;
winclass.lpfnWndProc = WindowProc;
winclass.cbClsExtra = 0;
winclass.cbWndExtra = 0;
winclass.hInstance = hinstance;
winclass.hIcon = NULL;// LoadIcon(NULL, IDI_APPLICATION);
winclass.hCursor = NULL;// LoadCursor(NULL, IDC_ARROW);
winclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
winclass.lpszMenuName = NULL;
winclass.lpszClassName = TEXT(WINDOW_CLASS_NAME);
winclass.hIconSm = NULL;// LoadIcon(NULL, IDI_APPLICATION);
// save hinstance in global
hinstance_app = hinstance;
// register the window class
if (!RegisterClassEx(&winclass))
return(0);
// create the window
if (!(hwnd = CreateWindowEx(NULL, // extended style
TEXT(WINDOW_CLASS_NAME), // class
TEXT("DirectDraw 16-Bit Full-Screen Demo"), // title
WS_POPUP | WS_VISIBLE,
0, 0, // initial x,y
SCREEN_WIDTH, SCREEN_HEIGHT, // initial width, height
NULL, // handle to parent
NULL, // handle to menu
hinstance,// instance of this application
NULL))) // extra creation parms
return(0);
// save main window handle
main_window_handle = hwnd;
// initialize here
// this is called once after the initial window is created and
// before the main event loop is entered, do all your initialization
// here
// create IDirectDraw interface 7.0 object and test for error
if (FAILED(DirectDrawCreateEx(NULL, (void **)&lpdd, IID_IDirectDraw7, NULL)))
return(0);
// set cooperation to full screen
if (FAILED(lpdd->SetCooperativeLevel(main_window_handle,
DDSCL_ALLOWMODEX | DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
return(0);
// set display mode to 640x480x16
if (FAILED(lpdd->SetDisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, 0, 0)))
return(0);
// clear ddsd and set size
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
// enable valid fields
ddsd.dwFlags = DDSD_CAPS;
// request primary surface
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP;// DDSCAPS_PRIMARYSURFACE;
// create the primary surface
if (FAILED(lpdd->CreateSurface(&ddsd, &lpddsprimary, NULL)))
return(0);
// end Init
// enter main event loop
while (TRUE)
{
// test if there is a message in queue, if so get it
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
// test if this is a quit
if (msg.message == WM_QUIT)
break;
// translate any accelerator keys
TranslateMessage(&msg);
// send the message to the window proc
DispatchMessage(&msg);
} // end if
// main processing goes here
// this is the main loop of the game, do all your processing
// here
// for now test if user is hitting ESC and send WM_CLOSE
if (KEYDOWN(VK_ESCAPE))
SendMessage(main_window_handle, WM_CLOSE, 0, 0);
// plot 1000 random pixels to the primary surface and return
// clear ddsd and set size, never assume it's clean
// lock the primary surface
if (FAILED(lpddsprimary->Lock(NULL, &ddsd,
DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT | DDLOCK_WRITEONLY,
NULL)))
return(0);
// now ddsd.lPitch is valid and so is ddsd.lpSurface
// make a couple aliases to make code cleaner, so we don't
// have to cast
int lpitch16 = (int)(ddsd.lPitch >> 1);
USHORT *video_buffer = (USHORT *)ddsd.lpSurface;
// plot 1000 random pixels with random colors on the
// primary surface, they will be instantly visible
for (int index = 0; index < 1000; index++)
{
// select random position and color for 640x480x16
int red = rand() % 256;
int green = rand() % 256;
int blue = rand() % 256;
int x = rand() % 640;
int y = rand() % 480;
// first build up color WORD
USHORT pixel = _RGB16BIT565(red, green, blue);
// write the data写入数据
video_buffer[x + y*lpitch16] = pixel;
} // end for index
// now unlock the primary surface
if (FAILED(lpddsprimary->Unlock(NULL)))
return(0);
} // end while
// closedown here
// this is called after the is exited and the main event
// loop while is exited, do all you cleanup and shutdown here
// now the primary surface
if (lpddsprimary)
{
lpddsprimary->Release();
lpddsprimary = NULL;
} // end if
// now blow away the IDirectDraw4 interface
if (lpdd)
{
lpdd->Release();
lpdd = NULL;
} // end if
// return to Windows like this
return(msg.wParam);
} // end
报的这个错
