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
|
import QtQuick 2.0
Canvas {
id:motionChart
width:1300
height: 700
property int progress:-1
property variant applesFrom: [1000, 300];
property variant applesTo:[1200, 400];
property variant orangesFrom: [1150, 200];
property variant orangesTo:[250, 550];
property variant bananasFrom: [300, 250];
property variant bananasTo:[788, 617];
property date startDate:new Date (1988,0,1)
property date endDate:new Date (1989,6,1)
property variant title:["Fruit", "Sales", "Expenses", "Location"];
property bool clearTrace:true
Text {id:appleText; text:"Apples"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:orangeText; text:"Oranges"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:bananaText; text:"Bananas"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:sales; text: "700 Sales"; x:15; y:15;font.bold:true; font.pixelSize:15; opacity:0}
Text {id:expenses; text: "Expenses 1300"; x:1170; y:670;font.bold:true; font.pixelSize:15; opacity:0}
Timer {
id:timer
interval: 1; running: true; repeat: true
onTriggered: {
if (motionChart.progress == -1) {
motionChart.setup();
running = false;
}
motionChart.draw();
}
}
MouseArea {
anchors.fill: parent
onPressed : {
motionChart.progress = 0;
setup();
timer.running = true;
motionChart.clearTrace = true;
}
onDoubleClicked : {
motionChart.progress = 0;
setup();
timer.running = true;
motionChart.clearTrace = false;
}
}
function setup() {
var ctx = motionChart.getContext("2d");
ctx.globalCompositeOperation = "source-over";
ctx.clearRect(0, 0, motionChart.width, motionChart.height);
ctx.strokeColor = Qt.rgba(133, 133, 133,1);
ctx.lineWidth = 2;
ctx.beginPath();
ctx.moveTo(10,690);
ctx.lineTo(10, 5);
ctx.moveTo(10,690);
ctx.lineTo(1295, 690);
for ( var i = 0; i < 10; i++) {
ctx.moveTo(10, i*70);
ctx.lineTo(15, i*70);
ctx.moveTo(i*130, 690);
ctx.lineTo(i*130, 685);
}
ctx.stroke();
sales.opacity =1;
expenses.opacity = 1;
appleText.opacity = 1;
orangeText.opacity = 1;
bananaText.opacity = 1;
}
function draw() {
var totalDays = Math.ceil((endDate.getTime()-startDate.getTime())/(1000*60*60*24));
if (motionChart.progress >= totalDays) {
timer.running = false;
return;
}
var apples = [];
apples[0] = applesFrom[0] + ((applesTo[0] - applesFrom[0]) * (motionChart.progress/totalDays));
apples[1] = applesFrom[1] + ((applesTo[1] - applesFrom[1]) * (motionChart.progress/totalDays));
var oranges = [];
oranges[0] = orangesFrom[0] + ((orangesTo[0] - orangesFrom[0]) * (motionChart.progress/totalDays));
oranges[1] = orangesFrom[1] + ((orangesTo[1] - orangesFrom[1]) * (motionChart.progress/totalDays));
var bananas = [];
bananas[0] = bananasFrom[0] + ((bananasTo[0] - bananasFrom[0]) * (motionChart.progress/totalDays));
bananas[1] = bananasFrom[1] + ((bananasTo[1] - bananasFrom[1]) * (motionChart.progress/totalDays));
var ctx = motionChart.getContext("2d");
ctx.globalCompositeOperation = "source-over";
if (motionChart.clearTrace)
ctx.clearRect(15, 15, motionChart.width - 15, motionChart.height - 30);
//apples
ctx.fillColor = Qt.rgba(0,255,0,1);
ctx.beginPath();
ctx.arc( apples[0] , 700 - apples[1] , 20 , 0 , Math.PI * 2 , true );
//ctx.closePath();
ctx.fill();
ctx.fillRect(apples[0], 700 - apples[1], 28, 28);
appleText.x = apples[0];
appleText.y = 700 - apples[1] - 30;
//oranges
ctx.fillColor = Qt.rgba(0,0,255,1);
ctx.beginPath();
ctx.arc( oranges[0], 700 - oranges[1] , 20 , 0 , Math.PI * 2 , true );
ctx.closePath();
ctx.fill();
ctx.fillRect(oranges[0], 700 - oranges[1], 28, 28);
orangeText.x = oranges[0];
orangeText.y = 700 - oranges[1] - 30;
//bananas
ctx.fillColor = Qt.rgba(255,0,0,1);
ctx.beginPath();
ctx.arc( bananas[0] , 700 - bananas[1] , 20 , 0 , Math.PI * 2 , true );
ctx.closePath();
ctx.fill();
ctx.fillRect(bananas[0], 700 - bananas[1], 28, 28);
bananaText.x = bananas[0];
bananaText.y = 700 - bananas[1] - 30;
ctx.sync();
motionChart.progress ++;
}
}
|