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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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