| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "cc/timing_function.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/Source/Platform/chromium/public/WebTransformationMatrix.h" |
| #include "third_party/WebKit/Source/Platform/chromium/public/WebTransformOperations.h" |
| #include "web_transform_animation_curve_impl.h" |
| |
| using namespace WebKit; |
| |
| namespace { |
| |
| // Tests that a transform animation with one keyframe works as expected. |
| TEST(WebTransformAnimationCurveTest, OneTransformKeyframe) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations; |
| operations.appendTranslate(2, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0.5).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(1).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(2).m41()); |
| } |
| |
| // Tests that a transform animation with two keyframes works as expected. |
| TEST(WebTransformAnimationCurveTest, TwoTransformKeyframe) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(2, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(4, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0).m41()); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(2).m41()); |
| } |
| |
| // Tests that a transform animation with three keyframes works as expected. |
| TEST(WebTransformAnimationCurveTest, ThreeTransformKeyframe) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(2, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(4, 0, 0); |
| WebKit::WebTransformOperations operations3; |
| operations3.appendTranslate(8, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(2, operations3), WebAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0).m41()); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1).m41()); |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5).m41()); |
| EXPECT_FLOAT_EQ(8, curve->getValue(2).m41()); |
| EXPECT_FLOAT_EQ(8, curve->getValue(3).m41()); |
| } |
| |
| // Tests that a transform animation with multiple keys at a given time works sanely. |
| TEST(WebTransformAnimationCurveTest, RepeatedTransformKeyTimes) |
| { |
| // A step function. |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(4, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(4, 0, 0); |
| WebKit::WebTransformOperations operations3; |
| operations3.appendTranslate(6, 0, 0); |
| WebKit::WebTransformOperations operations4; |
| operations4.appendTranslate(6, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations3), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(2, operations4), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(4, curve->getValue(-1).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(0).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(0.5).m41()); |
| |
| // There is a discontinuity at 1. Any value between 4 and 6 is valid. |
| WebTransformationMatrix value = curve->getValue(1); |
| EXPECT_TRUE(value.m41() >= 4 && value.m41() <= 6); |
| |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5).m41()); |
| EXPECT_FLOAT_EQ(6, curve->getValue(2).m41()); |
| EXPECT_FLOAT_EQ(6, curve->getValue(3).m41()); |
| } |
| |
| // Tests that the keyframes may be added out of order. |
| TEST(WebTransformAnimationCurveTest, UnsortedKeyframes) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(2, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(4, 0, 0); |
| WebKit::WebTransformOperations operations3; |
| operations3.appendTranslate(8, 0, 0); |
| curve->add(WebTransformKeyframe(2, operations3), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| EXPECT_FLOAT_EQ(2, curve->getValue(-1).m41()); |
| EXPECT_FLOAT_EQ(2, curve->getValue(0).m41()); |
| EXPECT_FLOAT_EQ(3, curve->getValue(0.5).m41()); |
| EXPECT_FLOAT_EQ(4, curve->getValue(1).m41()); |
| EXPECT_FLOAT_EQ(6, curve->getValue(1.5).m41()); |
| EXPECT_FLOAT_EQ(8, curve->getValue(2).m41()); |
| EXPECT_FLOAT_EQ(8, curve->getValue(3).m41()); |
| } |
| |
| // Tests that a cubic bezier timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, CubicBezierTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), 0.25, 0, 0.75, 1); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| EXPECT_FLOAT_EQ(0, curve->getValue(0).m41()); |
| EXPECT_LT(0, curve->getValue(0.25).m41()); |
| EXPECT_GT(0.25, curve->getValue(0.25).m41()); |
| EXPECT_NEAR(curve->getValue(0.5).m41(), 0.5, 0.00015); |
| EXPECT_LT(0.75, curve->getValue(0.75).m41()); |
| EXPECT_GT(1, curve->getValue(0.75).m41()); |
| EXPECT_FLOAT_EQ(1, curve->getValue(1).m41()); |
| } |
| |
| // Tests that an ease timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, EaseTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeEase); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests using a linear timing function. |
| TEST(WebTransformAnimationCurveTest, LinearTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeLinear); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(time, curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, EaseInTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeEaseIn); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseInTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, EaseOutTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeEaseOut); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseOutTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, EaseInOutTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), WebAnimationCurve::TimingFunctionTypeEaseInOut); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseInOutTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests that an ease in timing function works as expected. |
| TEST(WebTransformAnimationCurveTest, CustomBezierTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| double x1 = 0.3; |
| double y1 = 0.2; |
| double x2 = 0.8; |
| double y2 = 0.7; |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1), x1, y1, x2, y2); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::CubicBezierTimingFunction::create(x1, y1, x2, y2)); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| // Tests that the default timing function is indeed ease. |
| TEST(WebTransformAnimationCurveTest, DefaultTimingFunction) |
| { |
| scoped_ptr<WebTransformAnimationCurve> curve(new WebTransformAnimationCurveImpl); |
| WebKit::WebTransformOperations operations1; |
| operations1.appendTranslate(0, 0, 0); |
| WebKit::WebTransformOperations operations2; |
| operations2.appendTranslate(1, 0, 0); |
| curve->add(WebTransformKeyframe(0, operations1)); |
| curve->add(WebTransformKeyframe(1, operations2), WebAnimationCurve::TimingFunctionTypeLinear); |
| |
| scoped_ptr<cc::TimingFunction> timingFunction(cc::EaseTimingFunction::create()); |
| for (int i = 0; i <= 4; ++i) { |
| const double time = i * 0.25; |
| EXPECT_FLOAT_EQ(timingFunction->getValue(time), curve->getValue(time).m41()); |
| } |
| } |
| |
| } // namespace |