QT Implementation clock icon

2. #include "Clock.h"
6. Clock::clock (Qwidget *parent)
8. : Qwidget (parent)
10. {
12. Qtimer *timer = new Qtimer (this);
14. Timer->start (1000);//One second
16. Connect (timer,signal ()), This,slot (Update ()));
20. Qfont font;
22. Font.setpointsize (10);//font size set to 10
24. SetFont (font);
26. }
30. Clock::~clock ()
32. {
36. }
40. void CLOCK::p aintevent (qpaintevent */* Event */)
42. {
44. qpainter painter (this);
46. Painter.setrenderhint (qpainter::antialiasing, true);
50. int side = Qmin (width (), height ());
54. Painter.setviewport ((Width ()-side)/2, (height ()-side)/2,
56. side, side);
58. Painter.setwindow (0, 0, 200, 200);/* Set (0,0) as the new origin of coordinates */
62. Draw (&painter);
64. }
68. void CLOCK::d raw (Qpainter *painter)
70. {
72. Qpen Thickpen (Palette () foreground (), 1.5);//Set tick mark to thick black
74. Qpen Thinpen (Palette (). foreground (), 0.5);//Set tick mark to gray
78. Qtime time = Qtime::currenttime ();
80. Painter->translate (100,100);//re-set the origin of the coordinates.
84. Painter->setrenderhint (qpainter::antialiasing);//anti-aliasing
86. Painter->setbrush (qt::red);
88. Painter->setpen (qt::red);
90. Painter->save ();//Save coordinate system to prevent the coordinate system from running off
92. Painter->rotate (6.0*time.second ());//note is 6.0, not 6
94. Painter->drawconvexpolygon (sed,4);
96. Painter->restore ();//coordinate system before reset
100. Painter->setbrush (Qt::blue);
102. Painter->setpen (Qt::blue);
104. Painter->save ();
106. Painter->rotate (6.0* (Time.minute () +time.second ()/60.0);
108. Painter->drawconvexpolygon (min,4);
110. Painter->restore ();
114. Painter->setbrush (Qt::black);
116. Painter->setpen (Qt::black);
118. Painter->save ();
120. Painter->rotate (30.0* (Time.hour () +time.minute ()/60.0);
122. Painter->drawconvexpolygon (hour,4);
124. Painter->restore ();
128. Painter->drawline (0,-98,0,-88);
130. for (int i=0;i<12;i++)
132. // {
134. Painter->rotate (30);//axis rotation 30 degrees
136. Painter->drawline (0,-98,0,-88);
138. // }
140. /* Draw a scale with a number */
142. for (int i = 1; I <=60; ++i) {
144. Painter->save ();
146. Painter->rotate (6*i);//axis rotation 6 degrees
148. if (i% 5 = = 0) {
150. Painter->setpen (Thickpen);
152. Painter->drawline (0,-98, 0,-82);
154. Painter->drawtext (-20,-82, 40, 40,
156. Qt::alignhcenter | Qt::aligntop,
158. Qstring::number (I/5));
160. } else {
162. Painter->setpen (Thinpen);
164. Painter->drawline (0,-98, 0,-88);
166. }
168. Painter->rotate (-degreesperminute);
170. Painter->restore ();
172. }
174. }

QT Implementation clock icon