summaryrefslogtreecommitdiffstats
path: root/examples/clock/clock.qml
blob: a671d9c528fcdae4d87ab795fac5adb295189376 (plain)
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
import "../../Canvas"
import Qt 4.7

Rectangle {

    width: 300; height: 200

    Image {
        id: bg
        visible:false
        source: "backdrop.png"
    }

    Canvas {
        id: clock
        width:200
        height:200

        Timer {
            interval: 1000; running: true; repeat: true
            onTriggered: clock.updateCanvas()
        }

        onPaint : {

            var now = new Date();
            ctx.save();
            ctx.drawLine
            ctx.clearRect(0,0,150,150);
            ctx.translate(75,75);
            ctx.scale(0.4,0.4);
            ctx.rotate(-Math.PI/2);
            ctx.strokeStyle = "black";
            ctx.fillStyle = "white";
            ctx.lineWidth = 8;
            ctx.lineCap = "round";
            var bg = ctx.createImage("backdrop.png");
            ctx.drawImage(bg, 0, 0, 100, 100);

            // Hour marks
            ctx.save();
            ctx.beginPath();
            for (var i=0;i<12;i++){
                ctx.rotate(Math.PI/6);
                ctx.moveTo(100,0);
                ctx.lineTo(120,0);
            }
            ctx.stroke();
            ctx.restore();

            // Minute marks
            ctx.save();
            ctx.lineWidth = 5;
            ctx.beginPath();
            for (i=0;i<60;i++){
                if (i%5!=0) { // 5 minutes
                    ctx.moveTo(117,0);
                    ctx.lineTo(120,0);
                }
                ctx.rotate(Math.PI/30);
            }
            ctx.stroke();
            ctx.restore();

            var sec = now.getSeconds();
            var min = now.getMinutes();
            var hr  = now.getHours();
            hr = hr>=12 ? hr-12 : hr;

            ctx.fillStyle = "black";

            // write Hours
            ctx.save();
            ctx.rotate( hr*(Math.PI/6) + (Math.PI/360)*min + (Math.PI/21600)*sec )
            ctx.lineWidth = 14;
            ctx.beginPath();
            ctx.moveTo(-20,0);
            ctx.lineTo(80,0);
            ctx.stroke();
            ctx.restore();

            // write Minutes
            ctx.save();
            ctx.rotate( (Math.PI/30)*min + (Math.PI/1800)*sec )
            ctx.lineWidth = 10;
            ctx.beginPath();
            ctx.moveTo(-28,0);
            ctx.lineTo(112,0);
            ctx.stroke();
            ctx.restore();

            // Write seconds
            ctx.save();
            ctx.rotate(sec * Math.PI/30);
            ctx.strokeStyle = "#D40000";
            ctx.fillStyle = "#D40000";
            ctx.lineWidth = 6;
            ctx.beginPath();
            ctx.moveTo(-30,0);
            ctx.lineTo(83,0);
            ctx.stroke();
            ctx.beginPath();
            ctx.arc(0,0,10,0,Math.PI*2,true);
            ctx.fill();
            ctx.beginPath();
            ctx.arc(95,0,10,0,Math.PI*2,true);
            ctx.stroke();
            ctx.fillStyle = "#555";
            ctx.arc(0,0,3,0,Math.PI*2,true);
            ctx.fill();
            ctx.restore();

            ctx.beginPath();
            ctx.lineWidth = 14;
            ctx.strokeStyle = '#325FA2';
            ctx.arc(0,0,142,0,Math.PI*2,true);
            ctx.stroke();

            ctx.restore();        }
    }

}