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#include <windows.h>
#include "resource.h"
#include <cmath>
#include <stdio.h>
#include <time.h>
bool repaint;
int rows = 400;
HDC globdc;
void sleep(unsigned int mseconds)
{
clock_t goal = mseconds + clock();
while (goal > clock());
}
void drawLine(double x1,double y1,double x2,double y2) {
MoveToEx(globdc,(int)x1,(int)y1,NULL);
LineTo(globdc,(int)x2,(int)y2);
}
void drawPixel(double x, double y) {
drawLine(x,y,x+1,y);
}
void paint() {
int tri[1000][1000];
for (int y = 0; y < rows; y++) {
for (int x=0;x<rows;x++) {
if (y == 0) {
tri[x][y] = 0;
if (x == ceil((double)rows/2)) {
tri[x][y] = 1;
drawPixel(x,y);
}
} else {
if (y % 2 == 1) {
tri[x][y] = tri[x][y-1]+tri[x+1][y-1];
HPEN pen = CreatePen(PS_SOLID,0,RGB(122,122,122));
SelectObject(globdc,pen);
if (tri[x][y] % 2 == 1) {
drawPixel(x,y);
drawPixel(x+1,y);
}
DeleteObject(pen);
} else {
tri[x][y] = tri[x-1][y-1]+tri[x][y-1];
HPEN pen = CreatePen(PS_SOLID,0,RGB(0,0,0));
SelectObject(globdc,pen);
if (tri[x][y] % 2 == 1) {
drawPixel(x,y);
}
DeleteObject(pen);
}
}
sleep(50);
}
}
//
}
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
BOOL CALLBACK DlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);
/* Make the class name into a global variable */
char szClassName[ ] = "Sierpinski Gasket";
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
int nFunsterStil)
{
HWND hwnd; /* This is the handle for our window */
MSG messages; /* Here messages to the application are saved */
WNDCLASSEX wincl; /* Data structure for the windowclass */
/* The Window structure */
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
wincl.style = CS_DBLCLKS; /* Catch double-clicks */
wincl.cbSize = sizeof (WNDCLASSEX);
/* Use default icon and mouse-pointer */
wincl.hIcon = LoadIcon (NULL, MAKEINTRESOURCE(IDI_APPICON));
wincl.hIconSm = LoadIcon (NULL, MAKEINTRESOURCE(IDI_APPICON));
wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
wincl.lpszMenuName = NULL; /* No menu */
wincl.cbClsExtra = 0; /* No extra bytes after the window class */
wincl.cbWndExtra = 0; /* structure or the window instance */
/* Use Windows's default color as the background of the window */
wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
/* Register the window class, and if it fails quit the program */
if (!RegisterClassEx (&wincl))
return 0;
/* The class is registered, let's create the program*/
hwnd = CreateWindowEx (
0, /* Extended possibilites for variation */
szClassName, /* Classname */
"Sierpinski Gasket: Pascal's Triangle Generation", /* Title Text */
WS_OVERLAPPEDWINDOW, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
401, /* The programs width */
401, /* and height in pixels */
HWND_DESKTOP, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
/* Make the window visible on the screen */
ShowWindow (hwnd, nFunsterStil);
DialogBox(hThisInstance,MAKEINTRESOURCE(IDD_DLGOPTIONS),hwnd,reinterpret_cast<DLGPROC>(DlgProc));
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage (&messages, NULL, 0, 0))
{
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
if (repaint) {
repaint = false;
InvalidateRect(hwnd,NULL,TRUE);
RedrawWindow(hwnd,NULL,NULL,RDW_INTERNALPAINT);
SetWindowPos(hwnd,HWND_TOP,0,0,rows+1,rows+1,SWP_NOMOVE);
}
}
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) /* handle the messages */
{
case WM_DESTROY:
PostQuitMessage (0); /* send a WM_QUIT to the message queue */
break;
case WM_PAINT:
PAINTSTRUCT ps;
HDC hdc;
hdc = BeginPaint(hwnd, &ps);
globdc = hdc;
paint();
EndPaint(hwnd,&ps);
default: /* for messages that we don't deal with */
return DefWindowProc (hwnd, message, wParam, lParam);
}
return 0;
}
BOOL CALLBACK DlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch(Message)
{
case WM_INITDIALOG:
return TRUE;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case 5000:
//EndDialog(hwnd, IDOK);
HWND editbox;
editbox = GetDlgItem(hwnd,IDC_EDIT1);
char text[5];
GetWindowText(editbox,text,4);
rows = atoi(text);
repaint = true;
EndDialog(hwnd,5000);
}
break;
case WM_CLOSE:
case WM_DESTROY:
EndDialog(hwnd,0);
default:
return FALSE;
}
return TRUE;
}
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