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1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 | |
7 #include "CCMathUtil.h" | |
8 #include "FloatQuad.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 #include <public/WebTransformationMatrix.h> | |
11 | |
12 using namespace cc; | |
13 using WebKit::WebTransformationMatrix; | |
14 | |
15 namespace { | |
16 | |
17 TEST(FloatQuadTest, IsRectilinearTest) | |
18 { | |
19 const int numRectilinear = 8; | |
20 WebTransformationMatrix rectilinearTrans[numRectilinear]; | |
21 rectilinearTrans[1].rotate(90); | |
22 rectilinearTrans[2].rotate(180); | |
23 rectilinearTrans[3].rotate(270); | |
24 rectilinearTrans[4].skewX(0.00000000001); | |
25 rectilinearTrans[5].skewY(0.00000000001); | |
26 rectilinearTrans[6].scale(0.00001); | |
27 rectilinearTrans[6].rotate(180); | |
28 rectilinearTrans[7].scale(100000); | |
29 rectilinearTrans[7].rotate(180); | |
30 | |
31 for (int i = 0; i < numRectilinear; ++i) { | |
32 bool clipped = false; | |
33 FloatQuad quad = CCMathUtil::mapQuad(rectilinearTrans[i], FloatRect(0.01
010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped); | |
34 ASSERT_TRUE(!clipped); | |
35 EXPECT_TRUE(quad.isRectilinear()); | |
36 } | |
37 | |
38 const int numNonRectilinear = 10; | |
39 WebTransformationMatrix nonRectilinearTrans[numNonRectilinear]; | |
40 nonRectilinearTrans[0].rotate(359.999); | |
41 nonRectilinearTrans[1].rotate(0.0000001); | |
42 nonRectilinearTrans[2].rotate(89.999999); | |
43 nonRectilinearTrans[3].rotate(90.0000001); | |
44 nonRectilinearTrans[4].rotate(179.999999); | |
45 nonRectilinearTrans[5].rotate(180.0000001); | |
46 nonRectilinearTrans[6].rotate(269.999999); | |
47 nonRectilinearTrans[7].rotate(270.0000001); | |
48 nonRectilinearTrans[8].skewX(0.00001); | |
49 nonRectilinearTrans[9].skewY(0.00001); | |
50 | |
51 for (int i = 0; i < numNonRectilinear; ++i) { | |
52 bool clipped = false; | |
53 FloatQuad quad = CCMathUtil::mapQuad(nonRectilinearTrans[i], FloatRect(0
.01010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped); | |
54 ASSERT_TRUE(!clipped); | |
55 EXPECT_FALSE(quad.isRectilinear()); | |
56 } | |
57 } | |
58 | |
59 } // empty namespace | |
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