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
|
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Canvas Incremental Repaint</title>
<style type="text/css" media="screen">
body { overflow: hidden; }
canvas {
width: 200px;
height: 150px;
border: 20px solid black;
}
</style>
<script src="../../resources/run-after-layout-and-paint.js"></script>
<script type="text/javascript" charset="utf-8">
if (window.testRunner) {
testRunner.dumpAsTextWithPixelResults();
testRunner.waitUntilDone();
}
var appleImage;
function initializeCanvas()
{
var canvas = document.getElementById('canvas1');
canvas.width = 170; // deliberately different from element size, for scaling
canvas.height = 125;
// prep for clearRect test
canvas = document.getElementById('canvas2');
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#888888';
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
function repaintTest()
{
var canvas = document.getElementById('canvas1');
var ctx = canvas.getContext('2d');
// Test with default CTM
ctx.fillStyle = 'black';
ctx.strokeStyle = 'green';
ctx.lineWidth = 12;
ctx.save();
ctx.scale(1.5, 0.8);
ctx.fillRect(30, 40, 70, 80);
ctx.strokeRect(30, 40, 70, 80);
ctx.restore();
// Test clearRect
canvas = document.getElementById('canvas2');
ctx = canvas.getContext('2d');
// clearRect is affected by the transform, and does shadows
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 20;
ctx.shadowBlur = 40;
ctx.shadowColor = '#0000AA';
ctx.translate(50, 10);
ctx.clearRect(10, 10, 80, 80);
// Test with stroke
canvas = document.getElementById('canvas3');
ctx = canvas.getContext('2d');
ctx.beginPath();
ctx.moveTo(100, 20);
ctx.bezierCurveTo(150, 20, 150, 120, 100, 120);
ctx.bezierCurveTo(50, 120, 50, 20, 100, 20);
ctx.closePath();
ctx.lineWidth = 20;
ctx.strokeStyle = 'black';
ctx.stroke();
// Test with thick stroke and transform, and shadow
canvas = document.getElementById('canvas4');
ctx = canvas.getContext('2d');
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 20;
ctx.shadowBlur = 40;
ctx.shadowColor = 'blue'
ctx.lineWidth = 50;
ctx.rotate(Math.PI / 5);
ctx.scale(1.2, 1.2);
ctx.strokeRect(100, 0, 1, 1);
// Mitre test
canvas = document.getElementById('canvas5');
ctx = canvas.getContext('2d');
ctx.moveTo(15, 40);
ctx.lineTo(190, 60);
ctx.lineTo(15, 80);
ctx.lineWidth = 20;
ctx.strokeStyle = '#222222';
ctx.stroke();
// Text test
canvas = document.getElementById('canvas6');
ctx = canvas.getContext('2d');
ctx.font = "80px 'Times New Roman'";
ctx.lineWidth = 40;
ctx.scale(1, 0.9);
ctx.strokeStyle = 'black';
ctx.strokeText("WebKit", 20, 100);
ctx.fillStyle = 'green';
ctx.fillText("WebKit", 20, 100);
// drawImage test
canvas = document.getElementById('canvas7');
ctx = canvas.getContext('2d');
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 20;
ctx.shadowBlur = 40;
ctx.shadowColor = 'blue';
ctx.translate(60, 0);
ctx.drawImage(appleImage, 10, 10, 100, 100);
// clip test
canvas = document.getElementById('canvas8');
ctx = canvas.getContext('2d');
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 20;
ctx.shadowBlur = 40;
ctx.shadowColor = 'blue';
ctx.beginPath();
ctx.rect(50, 30, 80, 80);
ctx.closePath();
ctx.clip();
ctx.translate(40, 0);
ctx.drawImage(appleImage, 10, 10, 100, 100);
// ImageData test
canvas = document.getElementById('canvas9');
ctx = canvas.getContext('2d');
ctx.drawImage(appleImage, 10, 10, 100, 100);
var imageData = ctx.getImageData(15, 15, 90, 90);
// putImageData ignores shadow, transform and clip, but set the to test
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 20;
ctx.shadowBlur = 40;
ctx.translate(160, 50);
ctx.beginPath();
ctx.rect(50, 30, 80, 80);
ctx.closePath();
ctx.clip();
ctx.putImageData(imageData, 150, 20);
if (window.testRunner)
testRunner.notifyDone();
}
function pageLoaded()
{
initializeCanvas();
appleImage = new Image();
appleImage.onload = function() {
runAfterLayoutAndPaint(repaintTest);
}
appleImage.src = "resources/apple.gif";
}
</script>
</head>
<body onload="pageLoaded()">
<canvas id="canvas1"></canvas>
<canvas id="canvas2"></canvas>
<canvas id="canvas3"></canvas><br>
<canvas id="canvas4"></canvas>
<canvas id="canvas5"></canvas>
<canvas id="canvas6"></canvas><br>
<canvas id="canvas7"></canvas>
<canvas id="canvas8"></canvas>
<canvas id="canvas9"></canvas>
</body>
</html>
|
