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| #include <windows.h>
#include <stdio.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static CHAR szAppName[] ="Salut" ;
HWND hwnd;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = NULL;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("Problème!"),szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, // nom de la classe
"Cube", // titre de la fenêtre
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU
| WS_MINIMIZEBOX | WS_VISIBLE , // style de la fenêtre
CW_USEDEFAULT, // position initiale en x
CW_USEDEFAULT, // position initiale en y
350, // largeur initiale
350, // hauteur initiale
NULL, // handle de la fenêtre mère
NULL, // handle du menu de la fenêtre
hInstance, // handle de l'instance
NULL) ; // paramètres de création
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd);
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HBITMAP hbitmap;
int WIDTH, HEIGHT;
switch (message)
{
case WM_PAINT:
HANDLE hObj = LoadImage(NULL,"cube.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
HDC hdc = CreateCompatibleDC(NULL);
SelectObject(hdc, hObj);
BITMAPINFO bInfo;
bInfo.bmiHeader.biSize = sizeof(bInfo.bmiHeader);
bInfo.bmiHeader.biWidth = WIDTH;
bInfo.bmiHeader.biHeight = HEIGHT;
bInfo.bmiHeader.biPlanes = 1;
bInfo.bmiHeader.biBitCount = 8;
bInfo.bmiHeader.biCompression = BI_RGB;
BYTE tempScanLine[WIDTH ];
BYTE info[HEIGHT][WIDTH];
ZeroMemory(&bInfo, sizeof(BITMAPINFO));
bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
int count = HEIGHT - 1;
const double grayscale[WIDTH*HEIGHT];
for(int j = 0; j < HEIGHT; ++j)
{
// find the width of the object
GetDIBits(hdc, (HBITMAP) hObj, j, 1, NULL, &bi, DIB_RGB_COLORS);
// store the color values in a 3D array of bytes
GetDIBits(hdc, (HBITMAP) hObj, j, 1, tempScanLine, &bInfo, DIB_RGB_COLORS);
for(int z = 0; z < bi.bmiHeader.biWidth; ++z)
{
info[count][z][0] = tempScanLine[(z * 1) + 2];
info[count][z][1] = tempScanLine[(z * 1) + 1];
info[count][z][2] = tempScanLine[(z * 1) + 0];
//Transform to gray values
grayscale[z]=info[count][z][0]*0.299 + info[count][z][1]*0.587+info[count][z][2]*0.114;
}
--count;
}
break;
case WM_DESTROY:
DeleteObject(hbitmap);
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam);
} |
