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Issue 446803002: Implement translate() and translateSelf() in DOMMatrix. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 4 months ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <title>Geometry Interfaces: DOMMatrix translate</title>
5 <script src="../../resources/testharness.js"></script>
6 </head>
7 <body>
8 <script>
9
10 function toArray(matrix)
11 {
12 return [ matrix.m11, matrix.m21, matrix.m31, matrix.m41,
13 matrix.m12, matrix.m22, matrix.m32, matrix.m42,
14 matrix.m13, matrix.m23, matrix.m33, matrix.m43,
15 matrix.m14, matrix.m24, matrix.m34, matrix.m44 ];
16 }
17
18 test(function() {
19 var matrix = new DOMMatrix();
20 assert_true(matrix.is2D);
21 assert_true(matrix.isIdentity);
22 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
23 var result = matrix.translate(2, 3);
24 assert_true(result.is2D);
25 assert_false(result.isIdentity);
26 assert_array_equals(toArray(result), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1 ]);
27 assert_true(matrix.is2D);
28 assert_true(matrix.isIdentity);
29 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
30 }, "DOMMatrix.translate(tx, ty)");
31
32 test(function() {
33 var matrix = new DOMMatrix();
34 matrix.translateSelf(2, 3);
35 assert_true(matrix.is2D);
36 assert_false(matrix.isIdentity);
37 assert_array_equals(toArray(matrix), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1 ]);
38 var result = matrix.translate(4, 2);
39 assert_true(result.is2D);
40 assert_false(result.isIdentity);
41 assert_array_equals(toArray(result), [ 1, 0, 0, 6, 0, 1, 0, 5, 0, 0, 1, 0, 0, 0, 0, 1 ]);
42 assert_true(matrix.is2D);
43 assert_false(matrix.isIdentity);
44 assert_array_equals(toArray(matrix), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1 ]);
45 }, "DOMMatrix.translate(tx, ty) with non-identity");
46
47 test(function() {
48 var matrix = new DOMMatrix();
49 assert_true(matrix.is2D);
50 assert_true(matrix.isIdentity);
51 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
52 var result = matrix.translateSelf(4, 2);
53 assert_true(result.is2D);
54 assert_false(result.isIdentity);
55 assert_array_equals(toArray(result), [ 1, 0, 0, 4, 0, 1, 0, 2, 0, 0, 1, 0, 0, 0, 0, 1 ]);
56 assert_true(matrix.is2D);
57 assert_false(matrix.isIdentity);
58 assert_array_equals(toArray(matrix), [ 1, 0, 0, 4, 0, 1, 0, 2, 0, 0, 1, 0, 0, 0, 0, 1 ]);
59 }, "DOMMatrix.translateSelf(tx, ty)");
60
61 test(function() {
62 var matrix = new DOMMatrix();
63 assert_true(matrix.is2D);
64 assert_true(matrix.isIdentity);
65 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
66 var result = matrix.translate(2, 3, 4);
67 assert_false(result.is2D);
68 assert_false(result.isIdentity);
69 assert_array_equals(toArray(result), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 4, 0, 0, 0, 1 ]);
70 assert_true(matrix.is2D);
71 assert_true(matrix.isIdentity);
72 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
73 }, "DOMMatrix.translate(tx, ty, tz)");
74
75 test(function() {
76 var matrix = new DOMMatrix();
77 matrix.translateSelf(2, 3);
78 assert_true(matrix.is2D);
79 assert_false(matrix.isIdentity);
80 assert_array_equals(toArray(matrix), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1 ]);
81 var result = matrix.translate(4, 2, 3);
82 assert_false(result.is2D);
83 assert_false(result.isIdentity);
84 assert_array_equals(toArray(result), [ 1, 0, 0, 6, 0, 1, 0, 5, 0, 0, 1, 3, 0, 0, 0, 1 ]);
85 assert_true(matrix.is2D);
86 assert_false(matrix.isIdentity);
87 assert_array_equals(toArray(matrix), [ 1, 0, 0, 2, 0, 1, 0, 3, 0, 0, 1, 0, 0, 0, 0, 1 ]);
88 }, "DOMMatrix.translate(tx, ty, tz) with non-identity");
89
90 test(function() {
91 var matrix = new DOMMatrix();
92 assert_true(matrix.is2D);
93 assert_true(matrix.isIdentity);
94 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ]);
95 var result = matrix.translateSelf(4, 2, 3);
96 assert_false(result.is2D);
97 assert_false(result.isIdentity);
98 assert_array_equals(toArray(result), [ 1, 0, 0, 4, 0, 1, 0, 2, 0, 0, 1, 3, 0, 0, 0, 1 ]);
99 assert_false(matrix.is2D);
100 assert_false(matrix.isIdentity);
101 assert_array_equals(toArray(matrix), [ 1, 0, 0, 4, 0, 1, 0, 2, 0, 0, 1, 3, 0, 0, 0, 1 ]);
102 }, "DOMMatrix.translateSelf(tx, ty, tz)");
103
104 test(function() {
105 var matrix = new DOMMatrix();
106 assert_true(matrix.is2D);
107 assert_true(matrix.isIdentity);
108 matrix.m14 = 2;
109 matrix.m24 = 3;
110 matrix.m34 = 4;
111 matrix.m44 = 7;
112 assert_false(matrix.is2D);
113 assert_false(matrix.isIdentity);
114 assert_array_equals(toArray(matrix), [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 2, 3, 4, 7 ]);
115 matrix.translateSelf(7, -8, 2);
116 assert_false(matrix.is2D);
117 assert_false(matrix.isIdentity);
118 assert_array_equals(toArray(matrix), [ 1, 0, 0, 7, 0, 1, 0, -8, 0, 0, 1, 2, 2, 3, 4, 5 ]);
119 }, "DOMMatrix.translateSelf(tx, ty, tz) Homogeneous Coordinates");
120
121 </script>
122 </body>
123 </html>
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