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data.dat. , . 20-30 . : 10 100. ( , ASCII !!!)
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3. . data.dat. .
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1. . 4.
2. . data.dat. . .
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LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
HANDLE FileMappingHandle, FileHandle, MutexHandle;
HINSTANCE exec;
int* Image;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static char szAppName[] = "FileImageViewer" ;
HWND hwnd ;
MSG msg ;
WNDCLASSEX wndclass ;
wndclass.cbSize = sizeof (wndclass) ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
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 (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION) ;
RegisterClassEx (&wndclass) ;
hwnd = CreateWindow (szAppName,
"FileImageViewer",
WS_OVERLAPPEDWINDOW,
200,
10,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;
switch (iMsg)
{
int i;
case WM_CREATE:
FileHandle=CreateFile(".\\..\\mass.dat", GENERIC_WRITE|GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if(FileHandle==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
srand((unsigned)time(NULL));
str="";
buf.push_back(str);
int t[26];
for(i=0; i<26; i++)
{
t[i]=rand()%100;
if(t[i]<10)
t[i]+=10;
}
unsigned long z;
exec=ShellExecute(hwnd, NULL, ".\\..\\SysLab8_2\\Debug\\SysLab8_2.exe", NULL,
".\\SysLab8_2\\Debug\\", SW_SHOWNORMAL);
SetTimer(hwnd, NULL, 500, NULL);
WriteFile(FileHandle, t, sizeof(int)*26, &z, NULL);
FileMappingHandle=CreateFileMapping(FileHandle, NULL, PAGE_READWRITE, 0, 0, "mass");
if(FileMappingHandle==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
Image=(int*)MapViewOfFile(FileMappingHandle, FILE_MAP_READ, 0, 0, 0);
if(Image==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
MutexHandle=CreateMutex(0,FALSE, "massmutex");
if(MutexHandle==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
for(i=1; (unsigned)i<(unsigned)buf.size(); i++)
TextOut(hdc, 10, i*15, buf[i].c_str(), buf[i].length());
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_TIMER:
__try
{
WaitForSingleObject(MutexHandle, INFINITE);
buf.clear();
str="";
buf.push_back(str);
for(i=1; i<26; i++)
{
for(int j=0; j<*(Image+i); j++)
str+="*";
buf.push_back(str);
str="";
}
}
__finally
{
ReleaseMutex(MutexHandle);
}
InvalidateRect (hwnd, NULL, TRUE) ;
return 0;
case WM_DESTROY :
UnmapViewOfFile(Image);
CloseHandle(FileHandle);
CloseHandle(MutexHandle);
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
}
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
HANDLE FileMappingHandle, FileHandle, MutexHandle;
LPVOID Image;
int *a;
std::string str="";
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static char szAppName[] = "FileImageSorter" ;
HWND hwnd ;
MSG msg ;
WNDCLASSEX wndclass ;
wndclass.cbSize = sizeof (wndclass) ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
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 (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION) ;
RegisterClassEx (&wndclass) ;
hwnd = CreateWindow (szAppName,
"FileImageSorter",
WS_OVERLAPPEDWINDOW,
10,
10,
170,
80,
NULL,
NULL,
hInstance,
NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;
switch (iMsg)
{
case WM_CREATE:
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
TextOut(hdc, 10,10,str.c_str(),str.size());
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_KEYDOWN:
if(wParam==VK_SPACE)
{
FileMappingHandle=OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, "mass");
if(FileMappingHandle==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
Image=MapViewOfFile(FileMappingHandle, FILE_MAP_WRITE, 0, 0, 0);
if(Image==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
MutexHandle=OpenMutex(MUTEX_ALL_ACCESS, FALSE, "massmutex");
if(MutexHandle==NULL)
{
MessageBox(hwnd, " ", "", MB_ICONWARNING);
exit(1);
}
str=" ...";
InvalidateRect (hwnd, NULL, TRUE) ;
__try
{
a= (int *)Image;
long i, j;
int x;
for( i=1; i < 26; i++)
for( j = 26-1; j > i; j-- )
{
Sleep(200);
__try
{
WaitForSingleObject(MutexHandle, INFINITE);
if ( a[j-1] > a[j] )
{
x=a[j-1];
a[j-1]=a[j];
a[j]=x;
if(i==3)
exit(1);
}
}
__finally
{
ReleaseMutex(MutexHandle);
}
}
}
__finally
{
str=" ";
UnmapViewOfFile(Image);
CloseHandle(FileHandle);
CloseHandle(MutexHandle);
}
}
InvalidateRect (hwnd, NULL, TRUE) ;
return 0;
case WM_DESTROY:
UnmapViewOfFile(Image);
CloseHandle(FileHandle);
CloseHandle(MutexHandle);
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
}
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̳ Բ ϲ-39 8
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