int main()
{
int grad1,grad2,max=0,i;
printf("Introduceti gradele polinoamelor:");
scanf("%d %d",&grad1,&grad2);
(grad1>=grad2)?(max=grad1):(max=grad2);
//vectori in care retinem coeficientii polinoamelor
float p1[max+1],p2[max+1];
initialize(p1,max);
initialize(p2,max);
printf("Introduceti coeficientii lui p1:");
for(i=0;i<=grad1;i++)
scanf("%f",&p1[i]);
printf("Introduceti coeficientii lui p2:");
for(i=0;i<=grad2;i++)
scanf("%f",&p2[i]);
printf("p1=");
afisare(p1,grad1);
printf("p2=");
afisare(p2,grad2);
//suma si diferenta polinoamelor
suma_diferenta(p1,p2,max);
//produsul
produs(p1,p2,grad1,grad2);
//catul
impartire(p1,p2,grad1,grad2);
return 0;
}
LRESULT CALLBACK WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_CREATE:
{
HWND statik= CreateWindowEx(0,
"STATIC",
NULL,
WS_CHILD | WS_VISIBLE|SS_CENTER,
40, 10, 300, 200,
hWnd,
NULL,
NULL,
NULL);
SetWindowText(
statik,
"Pentru ctriptare introduceti textul si apasati \"Cripteaza\".\nPentru decriptare va trebui sa selectati un fisier din care textul va fi preluat automat."
);
// Create an edit box
hEdit = CreateWindowEx(WS_EX_CLIENTEDGE,
"EDIT",
"",
WS_CHILD | WS_VISIBLE |
ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL,
40,
80,
300 ,
200,
hWnd,
(HMENU)IDC_MAIN_EDIT,
GetModuleHandle(NULL),
NULL);
HGDIOBJ hfDefault = GetStockObject(DEFAULT_GUI_FONT);
SendMessage(hEdit,
WM_SETFONT,
(WPARAM)hfDefault,
MAKELPARAM(FALSE, 0));
SendMessage(hEdit,
WM_SETTEXT,
NULL,
(LPARAM)"");
// Create a push button
HWND hWndButton = CreateWindowEx(NULL,
"BUTTON",
"CRIPTEAZA",
WS_TABSTOP | WS_VISIBLE |
WS_CHILD | BS_DEFPUSHBUTTON,
40,
300,
120,
40,
hWnd,
(HMENU)IDC_MAIN_BUTTON,
GetModuleHandle(NULL),
NULL);
SendMessage(hWndButton,
WM_SETFONT,
(WPARAM)hfDefault,
MAKELPARAM(FALSE, 0));
HWND hWndButton2 = CreateWindowEx(NULL,
"BUTTON",
"DECRIPTEAZA",
WS_TABSTOP | WS_VISIBLE |
WS_CHILD | BS_DEFPUSHBUTTON,
220,
300,
120,
40,
hWnd,
(HMENU)IDC_MAIN_BUTTON2,
GetModuleHandle(NULL),
NULL);
SendMessage(hWndButton2,
WM_SETFONT,
(WPARAM)hfDefault,
MAKELPARAM(FALSE, 0));
}
break;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_MAIN_BUTTON:
{
char buffer[25600];
char bufferfin[25600];
char lit[2];
lit[1] = '\0';
bufferfin[0] = '\0';
SendMessage(hEdit,
WM_GETTEXT,
sizeof(buffer) / sizeof(buffer[0]),
reinterpret_cast<LPARAM>(buffer));
FILE*A;
if (strlen(buffer) == 0){ MessageBox(hWnd, "Eroare,introduceti text.", "Error", MB_OK | MB_ICONERROR); break; }
else
MessageBox(hWnd, "Alegeti fisierul in care va fi stocata informatia rezultata.", "Browse", MB_OK | MB_ICONINFORMATION);
int* v = NULL;
int* rem = NULL;
int* descris = NULL;
int* decode = NULL;
int i, j = 0;
unsigned char c = char(1), b;
FILE*B=NULL;
for (int i = 0; i< strlen(buffer); i++)
{
c = buffer[i];
v = encrypt(c, 3);
concat(&rem, &v);
descris = impartire(v, &rem);
while (descris[0]>1)
{
b = char_codat(&descris);
//fwrite(&b, sizeof(unsigned char), 1, B);
lit[0] = b;
strcat(bufferfin, lit);
}
free(descris);
}
restfin(&rem);
b = char_codat(&rem);
//fwrite(&b, sizeof(unsigned char), 1, B);
lit[0] = b;
strcat(bufferfin, lit);
free(rem);
OPENFILENAME ofn;
char szFileName[MAX_PATH] = "";
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn); // SEE NOTE BELOW
ofn.hwndOwner = hWnd;
ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
ofn.lpstrDefExt = "txt";
if (GetOpenFileName(&ofn))
{
B = fopen(szFileName, "wb");
for (i = 0; i < strlen(bufferfin); i++)
{
fwrite(&(bufferfin[i]), sizeof(unsigned char), 1, B);
}
}
if (B == NULL)break;
if(B!=NULL)fclose(B);
MessageBox(hWnd, "Criptat cu succes.", "Succes", MB_OK | MB_ICONINFORMATION);
SetWindowText(hEdit, "");
break;
}
case IDC_MAIN_BUTTON2:
{
MessageBox(hWnd, "Alegeti fisierul din care se va incarca mesajul codat.", "Browse", MB_OK | MB_ICONINFORMATION);
FILE*A=NULL, *B=NULL;
OPENFILENAME ofn;
char szFileName[MAX_PATH] = "";
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn); // SEE NOTE BELOW
ofn.hwndOwner = hWnd;
ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
ofn.lpstrDefExt = "txt";
if (GetOpenFileName(&ofn))
{
A = fopen(szFileName, "rb");
}
if (A == NULL)break;
MessageBox(hWnd, "Alegeti fisierul in care va fi stocata informatia rezultata.", "Browse", MB_OK | MB_ICONINFORMATION);
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn); // SEE NOTE BELOW
ofn.hwndOwner = hWnd;
ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
ofn.lpstrDefExt = "txt";
if (GetOpenFileName(&ofn))
{
B = fopen(szFileName, "wb");
}
if (B == NULL)break;
int* v = NULL;
int* rem = NULL;
int* descris = NULL;
int* decode = NULL;
int i, j = 0;
unsigned char c = char(1), b;
while (c != unsigned char(0))
{
decode = (int*)malloc(sizeof(int));
decode[0] = 1;
concat(&rem, &decode);
while (verif_ok(decode, 3) == 0)
{
if (fread(&c, sizeof(unsigned char), 1, A))
{
if (verif_ok(decode, 3) == 0)
{
v = obt_vct_codat(c);
bag_vect_la_sf(&decode, v);
}
}
else { c = unsigned char(0); break; }
}
while (verif_ok(decode, 3) == 1 && (!rest0(decode)))
{
b = obt_char(decode, 3);
fwrite(&b, sizeof(unsigned char), 1, B);
scindare(&decode, 3);
if (rest0(decode))c = unsigned char(0);
}
rem = (int*)malloc(sizeof(int));
rem[0] = 1;
concat(&decode, &rem);
}
fclose(A);
fclose(B);
MessageBox(hWnd, "Decriptat cu succes.", "Succes", MB_OK | MB_ICONINFORMATION);
break;
}
break;
}
break;
case WM_DESTROY:
{
PostQuitMessage(0);
return 0;
}
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
