12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2011 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/math_util.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/quad_f.h" 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/rect_f.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/transform.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace { 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(danakj) Move this test to ui/gfx/ when we don't need MathUtil::MapQuad. 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)TEST(FloatQuadTest, IsRectilinearTest) { 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const int kNumRectilinear = 8; 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform rectilinear_trans[kNumRectilinear]; 1868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[1].Rotate(90.f); 1968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[2].Rotate(180.f); 2068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[3].Rotate(270.f); 2168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[4].SkewX(0.00000000001f); 2268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[5].SkewY(0.00000000001f); 2368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[6].Scale(0.00001f, 0.00001f); 2468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[6].Rotate(180.f); 2568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[7].Scale(100000.f, 100000.f); 2668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) rectilinear_trans[7].Rotate(180.f); 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::QuadF original( 2958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::RectF(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f)); 3058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int i = 0; i < kNumRectilinear; ++i) { 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool clipped = false; 3358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::QuadF quad = 3458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MathUtil::MapQuad(rectilinear_trans[i], original, &clipped); 3558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ASSERT_TRUE(!clipped) << "case " << i; 3658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) EXPECT_TRUE(quad.IsRectilinear()) << "case " << i; 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const int kNumNonRectilinear = 10; 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform non_rectilinear_trans[kNumNonRectilinear]; 4168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[0].Rotate(359.9999f); 4268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[1].Rotate(0.0000001f); 4368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[2].Rotate(89.9999f); 4468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[3].Rotate(90.00001f); 4568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[4].Rotate(179.9999f); 4668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[5].Rotate(180.00001f); 4768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[6].Rotate(269.9999f); 4868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[7].Rotate(270.0001f); 4968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[8].SkewX(0.00001f); 5068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) non_rectilinear_trans[9].SkewY(0.00001f); 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int i = 0; i < kNumNonRectilinear; ++i) { 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool clipped = false; 5458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::QuadF quad = 5558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MathUtil::MapQuad(non_rectilinear_trans[i], original, &clipped); 5658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ASSERT_TRUE(!clipped) << "case " << i; 5758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) EXPECT_FALSE(quad.IsRectilinear()) << "case " << i; 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace cc 63