1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#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;
}
|
