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| #include <windows.h>
#include <conio.h>
#include <iostream>
#include <time.h>
#include <math.h>
#include <WinDef.h>
#define IDR_CEPADMENU 101
#define IDM_NEW 40001
#define IDM_OPEN 40002
#define IDM_SAVE 40003
#define IDM_SAVEAS 40004
#define IDM_EXIT 40005
#define IDM_ABOUT 40006
#define IDM_UNDO 40007
#define IDM_CUT 40008
#define IDM_COPY 40009
#define IDM_PASTE 40010
#define IDM_CLEAR 40011
#define IDM_SELECTALL 40012
#define IDM_FIND 40013
#define IDM_FINDNEXT 40014
#define IDM_REPLACE 40015
#define WMAIN_CLASSNAME "WndClassTestMyName???"
#define WMAIN_CAPTION "WndCaption"
int g_height = 2000, g_width = 2000;
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
srand(time(NULL));
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
const int Nq = 20;
double x,y,x1[Nq],y1[Nq],r,Rad,fi,q[Nq],Ex,Ey,E=0,Q;
int i,j,N_Lines, rad, l, Lx, Ly, flag;
x1[0]=200;
y1[0]=300;
q[0]=1;
x1[1]=800;
y1[1]=300;
q[1]=-5;
rad=1;
l=1;
Lx=1500; //2000 - 30 sec calculation
Ly=1000;
/*Lx = g_width;
Ly = g_height*/;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Разобрать выбор в меню:
switch (wmId)
{
case IDM_ABOUT:
//DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case WM_LBUTTONDOWN:
double xL,yL;
//HDC hDC;
//hDC=GetDC(hWnd);
xL=LOWORD(lParam); //узнаём координаты
yL=HIWORD(lParam);
x1[0]=xL;
y1[0]=yL;
InvalidateRect(hWnd, NULL, TRUE);
break;
case WM_RBUTTONDOWN:
double xR,yR;
//HDC hDC;
//hDC=GetDC(hWnd);
xR=LOWORD(lParam); //узнаём координаты
yR=HIWORD(lParam);
x1[1]=xR;
y1[1]=yR;
InvalidateRect(hWnd, NULL, TRUE);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: добавьте любой код отрисовки...
time_t start_time;
for (int j = 0; j < Nq; j++)
{
N_Lines=12*fabs(q[j]);
for (i=0; i<=N_Lines; i++)
{
fi=3.141568/6/fabs(q[j])*i;
x=x1[j] + rad*cos(fi);
y=y1[j] + rad*sin(fi);
MoveToEx(hdc, x,y,NULL);
while (x>=0 && x<=Lx && y>=0 && y<=Ly )
{
Ex = Ey = 0;
flag = 0;
for (int k = 0; k < Nq; k++)
{
r = sqrt((x-x1[k])*(x-x1[k])+(y-y1[k])*(y-y1[k]));
double z =0.5;
if ( ((x < x1[k]+1*z)&&(x > x1[k]- 1*z)) && ((y < y1[k]+1*z)&&(y > y1[k] - 1*z)) )
{
flag = 1;
break;
}
Ex+=q[k]*(x-x1[k])/r/r/r;
Ey+=q[k]*(y-y1[k])/r/r/r;
E=sqrt(Ex*Ex+Ey*Ey);
}
if (flag == 0)
{
int sign = 1;
if (q[j] < 0) sign = -1;
x=x+sign*l*Ex/E;
y=y+sign*l*Ey/E;
LineTo(hdc, x, y);
}
else break;
}
}
}
x= 0;
y= 0;
i = 0;
j = 0;
Q=0;
double Rad[10][10];
double P0[10][10];
while ( j < 10){
i=0;
y=0;
while ( i < 10)
{
double potential = 0;
for (int k = 0; k < Nq; k++)
{
r = sqrt((x-x1[k])*(x-x1[k])+(y-y1[k])*(y-y1[k]));
potential += q[k]/r;
Q +=q[k];
Rad[i][j] +=r;
}
P0[i][j] = potential;
y+=Ly/10;
i++;
}
x+=Lx/10;
j++;
}
for (int x = 0; x<= Lx; x++)
{
for (int y = 0; y<= Ly; y++)
{
double phi = 0;
for (int k = 0; k < Nq; k++)
{
r = sqrt((x-x1[k])*(x-x1[k])+(y-y1[k])*(y-y1[k]));
phi += q[k]/r;
}
// код условия рисования линии
i=0;
j=0;
while ( j < 10){
i=0;
while ( i < 10){
if ((phi > P0[i][j] - fabs((0.0000005*P0[i][j]))) && (phi < P0[i][j] +fabs((0.000005*P0[i][j]))))
SetPixel(hdc, x, y, 0x000066FF);
i++;
}
j++;
}
}
}
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Обработчик сообщений для окна "О программе".
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
int main(){
FreeConsole();
HINSTANCE hInstance=(HINSTANCE)GetModuleHandle(NULL);
HWND hWnd;
MSG msg;
WNDCLASS wc;
int width,height;
width = 1500;
height = 1000;
g_width = width;
g_height = height;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
wc.hCursor=LoadCursor(NULL,IDC_ARROW);
wc.hIcon=LoadIcon(NULL,IDI_WINLOGO);
wc.hInstance=hInstance;
wc.lpfnWndProc=WndProc;
wc.style=CS_HREDRAW | CS_VREDRAW;
wc.lpszClassName=WMAIN_CLASSNAME;
wc.lpszMenuName=NULL;
if(!RegisterClass(&wc))
return 1;
hWnd=CreateWindow(WMAIN_CLASSNAME,WMAIN_CAPTION,/*WS_OVERLAPPEDWINDOW*/WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX|WS_MAXIMIZEBOX | WS_VISIBLE,CW_USEDEFAULT,CW_USEDEFAULT,width,height,HWND_DESKTOP,NULL,hInstance,0);
if (!hWnd)
return 1;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
} |
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