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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/base/math_util.h" | 5 #include "cc/base/math_util.h" |
6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
7 #include "ui/gfx/geometry/quad_f.h" | 7 #include "ui/gfx/geometry/quad_f.h" |
8 #include "ui/gfx/geometry/rect_f.h" | 8 #include "ui/gfx/geometry/rect_f.h" |
9 #include "ui/gfx/transform.h" | 9 #include "ui/gfx/transform.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 namespace { | 12 namespace { |
13 | 13 |
14 // TODO(danakj) Move this test to ui/gfx/ when we don't need MathUtil::MapQuad. | 14 // TODO(danakj) Move this test to ui/gfx/ when we don't need MathUtil::MapQuad. |
15 TEST(FloatQuadTest, IsRectilinearTest) { | 15 TEST(FloatQuadTest, IsRectilinearTest) { |
16 const int kNumRectilinear = 8; | 16 const int kNumRectilinear = 8; |
17 gfx::Transform rectilinear_trans[kNumRectilinear]; | 17 gfx::Transform rectilinear_trans[kNumRectilinear]; |
18 rectilinear_trans[1].Rotate(90.f); | 18 rectilinear_trans[1].Rotate(90.f); |
19 rectilinear_trans[2].Rotate(180.f); | 19 rectilinear_trans[2].Rotate(180.f); |
20 rectilinear_trans[3].Rotate(270.f); | 20 rectilinear_trans[3].Rotate(270.f); |
21 rectilinear_trans[4].SkewX(0.00000000001f); | 21 rectilinear_trans[4].Skew(0.00000000001f, 0.0f); |
22 rectilinear_trans[5].SkewY(0.00000000001f); | 22 rectilinear_trans[5].Skew(0.0f, 0.00000000001f); |
23 rectilinear_trans[6].Scale(0.00001f, 0.00001f); | 23 rectilinear_trans[6].Scale(0.00001f, 0.00001f); |
24 rectilinear_trans[6].Rotate(180.f); | 24 rectilinear_trans[6].Rotate(180.f); |
25 rectilinear_trans[7].Scale(100000.f, 100000.f); | 25 rectilinear_trans[7].Scale(100000.f, 100000.f); |
26 rectilinear_trans[7].Rotate(180.f); | 26 rectilinear_trans[7].Rotate(180.f); |
27 | 27 |
28 gfx::QuadF original( | 28 gfx::QuadF original( |
29 gfx::RectF(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f)); | 29 gfx::RectF(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f)); |
30 | 30 |
31 for (int i = 0; i < kNumRectilinear; ++i) { | 31 for (int i = 0; i < kNumRectilinear; ++i) { |
32 bool clipped = false; | 32 bool clipped = false; |
33 gfx::QuadF quad = | 33 gfx::QuadF quad = |
34 MathUtil::MapQuad(rectilinear_trans[i], original, &clipped); | 34 MathUtil::MapQuad(rectilinear_trans[i], original, &clipped); |
35 ASSERT_TRUE(!clipped) << "case " << i; | 35 ASSERT_TRUE(!clipped) << "case " << i; |
36 EXPECT_TRUE(quad.IsRectilinear()) << "case " << i; | 36 EXPECT_TRUE(quad.IsRectilinear()) << "case " << i; |
37 } | 37 } |
38 | 38 |
39 const int kNumNonRectilinear = 10; | 39 const int kNumNonRectilinear = 10; |
40 gfx::Transform non_rectilinear_trans[kNumNonRectilinear]; | 40 gfx::Transform non_rectilinear_trans[kNumNonRectilinear]; |
41 non_rectilinear_trans[0].Rotate(359.9999f); | 41 non_rectilinear_trans[0].Rotate(359.9999f); |
42 non_rectilinear_trans[1].Rotate(0.0000001f); | 42 non_rectilinear_trans[1].Rotate(0.0000001f); |
43 non_rectilinear_trans[2].Rotate(89.9999f); | 43 non_rectilinear_trans[2].Rotate(89.9999f); |
44 non_rectilinear_trans[3].Rotate(90.00001f); | 44 non_rectilinear_trans[3].Rotate(90.00001f); |
45 non_rectilinear_trans[4].Rotate(179.9999f); | 45 non_rectilinear_trans[4].Rotate(179.9999f); |
46 non_rectilinear_trans[5].Rotate(180.00001f); | 46 non_rectilinear_trans[5].Rotate(180.00001f); |
47 non_rectilinear_trans[6].Rotate(269.9999f); | 47 non_rectilinear_trans[6].Rotate(269.9999f); |
48 non_rectilinear_trans[7].Rotate(270.0001f); | 48 non_rectilinear_trans[7].Rotate(270.0001f); |
49 non_rectilinear_trans[8].SkewX(0.00001f); | 49 non_rectilinear_trans[8].Skew(0.00001f, 0.0f); |
50 non_rectilinear_trans[9].SkewY(0.00001f); | 50 non_rectilinear_trans[9].Skew(0.0f, 0.00001f); |
51 | 51 |
52 for (int i = 0; i < kNumNonRectilinear; ++i) { | 52 for (int i = 0; i < kNumNonRectilinear; ++i) { |
53 bool clipped = false; | 53 bool clipped = false; |
54 gfx::QuadF quad = | 54 gfx::QuadF quad = |
55 MathUtil::MapQuad(non_rectilinear_trans[i], original, &clipped); | 55 MathUtil::MapQuad(non_rectilinear_trans[i], original, &clipped); |
56 ASSERT_TRUE(!clipped) << "case " << i; | 56 ASSERT_TRUE(!clipped) << "case " << i; |
57 EXPECT_FALSE(quad.IsRectilinear()) << "case " << i; | 57 EXPECT_FALSE(quad.IsRectilinear()) << "case " << i; |
58 } | 58 } |
59 } | 59 } |
60 | 60 |
61 } // namespace | 61 } // namespace |
62 } // namespace cc | 62 } // namespace cc |
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