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
|
//! [0]
path = QPainterPath()
path.addRect(20, 20, 60, 60)
path.moveTo(0, 0)
path.cubicTo(99, 0, 50, 50, 99, 99)
path.cubicTo(0, 99, 50, 50, 0, 0)
QPainter painter(self)
painter.fillRect(0, 0, 100, 100, Qt.white)
painter.setPen(QPen(QColor(79, 106, 25), 1, Qt.SolidLine,
Qt.FlatCap, Qt.MiterJoin))
painter.setBrush(QColor(122, 163, 39))
painter.drawPath(path)
//! [0]
//! [1]
myGradient = QLinearGradient()
myPen = QPen()
myPath = QPainterPath()
myPath.cubicTo(c1, c2, endPoint)
painter = QPainter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [1]
//! [2]
myGradient = QLinearGradient()
myPen = QPen()
startPoint = QPointF()
center = QPointF()
myPath = QPainterPath()
myPath.moveTo(center)
myPath.arcTo(boundingRect, startAngle,
sweepLength)
painter = QPainter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [2]
//! [3]
myGradient = QLinearGradient()
myPen = QPen()
myRectangle = QRectF()
myPath = QPainterPath()
myPath.addRect(myRectangle)
painter = QPainter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [3]
//! [4]
myGradient = QLinearGradient()
myPen = QPen()
myPolygon = QPolygonF()
myPath = QPainterPath()
myPath.addPolygon(myPolygon)
QPainter painter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [4]
//! [5]
myGradient = QLinearGradient()
myPen = QPen()
boundingRectangle = QRectF()
myPath = QPainterPath()
myPath.addEllipse(boundingRectangle)
QPainter painter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [5]
//! [6]
myGradient = QLinearGradient()
myPen = QPen()
myFont = QFont()
QPointF baseline(x, y)
myPath = QPainterPath()
myPath.addText(baseline, myFont, tr("Qt"))
painter QPainter(self)
painter.setBrush(myGradient)
painter.setPen(myPen)
painter.drawPath(myPath)
//! [6]
|