| /* |
| * Copyright (C) 2014 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/platform/transforms/transform_operations.h" |
| |
| #include "base/stl_util.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/geometry/float_box.h" |
| #include "third_party/blink/renderer/platform/geometry/float_box_test_helpers.h" |
| #include "third_party/blink/renderer/platform/transforms/identity_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/matrix_3d_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/matrix_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/perspective_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/rotate_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/scale_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/skew_transform_operation.h" |
| #include "third_party/blink/renderer/platform/transforms/translate_transform_operation.h" |
| |
| namespace blink { |
| |
| static const TransformOperations kIdentityOperations; |
| |
| static void EmpiricallyTestBounds(const TransformOperations& from, |
| const TransformOperations& to, |
| const double& min_progress, |
| const double& max_progress) { |
| FloatBox box(200, 500, 100, 100, 300, 200); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| to.BlendedBoundsForBox(box, from, min_progress, max_progress, &bounds)); |
| bool first_time = true; |
| |
| FloatBox empirical_bounds; |
| static const size_t kNumSteps = 10; |
| for (size_t step = 0; step < kNumSteps; ++step) { |
| float t = step / (kNumSteps - 1); |
| t = min_progress + (max_progress - min_progress) * t; |
| TransformOperations operations = from.Blend(to, t); |
| TransformationMatrix matrix; |
| operations.Apply(FloatSize(0, 0), matrix); |
| FloatBox transformed = box; |
| matrix.TransformBox(transformed); |
| |
| if (first_time) |
| empirical_bounds = transformed; |
| else |
| empirical_bounds.UnionBounds(transformed); |
| first_time = false; |
| } |
| |
| ASSERT_PRED_FORMAT2(float_box_test::AssertContains, bounds, empirical_bounds); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedTranslatedBoundsTest) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(-30, blink::kFixed), Length(20, blink::kFixed), 15, |
| TransformOperation::kTranslate3D)); |
| to_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(10, blink::kFixed), Length(10, blink::kFixed), 200, |
| TransformOperation::kTranslate3D)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| to_ops.BlendedBoundsForBox(box, kIdentityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 210), bounds); |
| |
| EXPECT_TRUE( |
| kIdentityOperations.BlendedBoundsForBox(box, to_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 210), bounds); |
| |
| EXPECT_TRUE( |
| kIdentityOperations.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-30, 0, 0, 40, 30, 25), bounds); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-30, 10, 15, 50, 20, 195), bounds); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, -0.5, 1.25, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-50, 7.5, -77.5, 80, 27.5, 333.75), bounds); |
| } |
| |
| TEST(TransformOperationsTest, EmpiricalAnimatedTranslatedBoundsTest) { |
| float test_transforms[][2][3] = {{{0, 0, 0}, {10, 10, 0}}, |
| {{-100, 202.5, -32.6}, {43.2, 56.1, 89.75}}, |
| {{43.2, 56.1, 89.75}, {-100, 202.5, -32.6}}}; |
| |
| // All progressions for animations start and end at 0, 1 respectively, |
| // we can go outside of these bounds, but will always at least contain |
| // [0,1]. |
| float progress[][2] = {{0, 1}, {-.25, 1.25}}; |
| |
| for (size_t i = 0; i < base::size(test_transforms); ++i) { |
| for (size_t j = 0; j < base::size(progress); ++j) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(test_transforms[i][0][0], blink::kFixed), |
| Length(test_transforms[i][0][1], blink::kFixed), |
| test_transforms[i][0][2], TransformOperation::kTranslate3D)); |
| to_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(test_transforms[i][1][0], blink::kFixed), |
| Length(test_transforms[i][1][1], blink::kFixed), |
| test_transforms[i][1][2], TransformOperation::kTranslate3D)); |
| EmpiricallyTestBounds(from_ops, to_ops, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedScaleBoundsTest) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back( |
| ScaleTransformOperation::Create(4, -3, TransformOperation::kScale)); |
| to_ops.Operations().push_back( |
| ScaleTransformOperation::Create(5, 2, TransformOperation::kScale)); |
| |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| to_ops.BlendedBoundsForBox(box, kIdentityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 50, 20, 10), bounds); |
| |
| EXPECT_TRUE( |
| kIdentityOperations.BlendedBoundsForBox(box, to_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 50, 20, 10), bounds); |
| |
| EXPECT_TRUE( |
| kIdentityOperations.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, -30, 0, 40, 40, 10), bounds); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, -30, 0, 50, 50, 10), bounds); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, -0.5, 1.25, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, -55, 0, 52.5, 87.5, 10), bounds); |
| } |
| |
| TEST(TransformOperationsTest, EmpiricalAnimatedScaleBoundsTest) { |
| float test_transforms[][2][3] = {{{1, 1, 1}, {10, 10, -32}}, |
| {{1, 2, 5}, {-1, -2, -4}}, |
| {{0, 0, 0}, {1, 2, 3}}, |
| {{0, 0, 0}, {0, 0, 0}}}; |
| |
| // All progressions for animations start and end at 0, 1 respectively, |
| // we can go outside of these bounds, but will always at least contain |
| // [0,1]. |
| float progress[][2] = {{0, 1}, {-.25f, 1.25f}}; |
| |
| for (size_t i = 0; i < base::size(test_transforms); ++i) { |
| for (size_t j = 0; j < base::size(progress); ++j) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(test_transforms[i][0][0], blink::kFixed), |
| Length(test_transforms[i][0][1], blink::kFixed), |
| test_transforms[i][0][2], TransformOperation::kTranslate3D)); |
| to_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(test_transforms[i][1][0], blink::kFixed), |
| Length(test_transforms[i][1][1], blink::kFixed), |
| test_transforms[i][1][2], TransformOperation::kTranslate3D)); |
| EmpiricallyTestBounds(from_ops, to_ops, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedRotationBounds) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back( |
| RotateTransformOperation::Create(0, TransformOperation::kRotate)); |
| to_ops.Operations().push_back( |
| RotateTransformOperation::Create(360, TransformOperation::kRotate)); |
| float sqrt2 = sqrt(2.0f); |
| FloatBox box(-sqrt2, -sqrt2, 0, sqrt2, sqrt2, 0); |
| FloatBox bounds; |
| |
| // Since we're rotating 360 degrees, any box with dimensions between 0 and |
| // 2 * sqrt(2) should give the same result. |
| float sizes[] = {0, 0.1f, sqrt2, 2 * sqrt2}; |
| to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds); |
| for (size_t i = 0; i < base::size(sizes); ++i) { |
| box.SetSize(FloatPoint3D(sizes[i], sizes[i], 0)); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-2, -2, 0, 4, 4, 0), bounds); |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedExtremeRotationBounds) { |
| // If the normal is off-plane, we can have up to 6 exrema (min/max in each |
| // dimension between) the endpoints of the arg. This makes sure we are |
| // catching all 6. |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 30, TransformOperation::kRotate3D)); |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 390, TransformOperation::kRotate3D)); |
| |
| FloatBox box(1, 0, 0, 0, 0, 0); |
| FloatBox bounds; |
| float min = -1 / 3.0f; |
| float max = 1; |
| float size = max - min; |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(min, min, min, size, size, size), bounds); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedAxisRotationBounds) { |
| // We can handle rotations about a single axis. If the axes are different, |
| // we revert to matrix interpolation for which inflated bounds cannot be |
| // computed. |
| TransformOperations from_ops; |
| TransformOperations to_same; |
| TransformOperations to_opposite; |
| TransformOperations to_different; |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 30, TransformOperation::kRotate3D)); |
| to_same.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 390, TransformOperation::kRotate3D)); |
| to_opposite.Operations().push_back(RotateTransformOperation::Create( |
| -1, -1, -1, 390, TransformOperation::kRotate3D)); |
| to_different.Operations().push_back(RotateTransformOperation::Create( |
| 1, 3, 1, 390, TransformOperation::kRotate3D)); |
| |
| FloatBox box(1, 0, 0, 0, 0, 0); |
| FloatBox bounds; |
| EXPECT_TRUE(to_same.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_FALSE(to_opposite.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_FALSE(to_different.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedOnAxisRotationBounds) { |
| // If we rotate a point that is on the axis of rotation, the box should not |
| // change at all. |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 30, TransformOperation::kRotate3D)); |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 1, 1, 390, TransformOperation::kRotate3D)); |
| |
| FloatBox box(1, 1, 1, 0, 0, 0); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, box, bounds); |
| } |
| |
| // This would have been best as anonymous structs, but |base::size| |
| // does not get along with anonymous structs once we support C++11 |
| // base::size will automatically support anonymous structs. |
| |
| struct ProblematicAxisTest { |
| double x; |
| double y; |
| double z; |
| FloatBox expected; |
| }; |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedProblematicAxisRotationBounds) { |
| // Zeros in the components of the axis osf rotation turned out to be tricky to |
| // deal with in practice. This function tests some potentially problematic |
| // axes to ensure sane behavior. |
| |
| // Some common values used in the expected boxes. |
| float dim1 = 0.292893f; |
| float dim2 = sqrt(2.0f); |
| float dim3 = 2 * dim2; |
| |
| ProblematicAxisTest tests[] = { |
| {0, 0, 0, FloatBox(1, 1, 1, 0, 0, 0)}, |
| {1, 0, 0, FloatBox(1, -dim2, -dim2, 0, dim3, dim3)}, |
| {0, 1, 0, FloatBox(-dim2, 1, -dim2, dim3, 0, dim3)}, |
| {0, 0, 1, FloatBox(-dim2, -dim2, 1, dim3, dim3, 0)}, |
| {1, 1, 0, FloatBox(dim1, dim1, -1, dim2, dim2, 2)}, |
| {0, 1, 1, FloatBox(-1, dim1, dim1, 2, dim2, dim2)}, |
| {1, 0, 1, FloatBox(dim1, -1, dim1, dim2, 2, dim2)}}; |
| |
| for (size_t i = 0; i < base::size(tests); ++i) { |
| float x = tests[i].x; |
| float y = tests[i].y; |
| float z = tests[i].z; |
| TransformOperations from_ops; |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| x, y, z, 0, TransformOperation::kRotate3D)); |
| TransformOperations to_ops; |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| x, y, z, 360, TransformOperation::kRotate3D)); |
| FloatBox box(1, 1, 1, 0, 0, 0); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, tests[i].expected, |
| bounds); |
| } |
| } |
| |
| TEST(TransformOperationsTest, BlendedBoundsForRotationEmpiricalTests) { |
| float axes[][3] = {{1, 1, 1}, {-1, -1, -1}, {-1, 2, 3}, {1, -2, 3}, |
| {0, 0, 0}, {1, 0, 0}, {0, 1, 0}, {0, 0, 1}, |
| {1, 1, 0}, {0, 1, 1}, {1, 0, 1}, {-1, 0, 0}, |
| {0, -1, 0}, {0, 0, -1}, {-1, -1, 0}, {0, -1, -1}, |
| {-1, 0, -1}}; |
| |
| float angles[][2] = {{5, 100}, {10, 5}, {0, 360}, {20, 180}, |
| {-20, -180}, {180, -220}, {220, 320}, {1020, 1120}, |
| {-3200, 120}, {-9000, -9050}}; |
| |
| float progress[][2] = {{0, 1}, {-0.25f, 1.25f}}; |
| |
| for (size_t i = 0; i < base::size(axes); ++i) { |
| for (size_t j = 0; j < base::size(angles); ++j) { |
| for (size_t k = 0; k < base::size(progress); ++k) { |
| float x = axes[i][0]; |
| float y = axes[i][1]; |
| float z = axes[i][2]; |
| |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| x, y, z, angles[j][0], TransformOperation::kRotate3D)); |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| x, y, z, angles[j][1], TransformOperation::kRotate3D)); |
| EmpiricallyTestBounds(from_ops, to_ops, progress[k][0], progress[k][1]); |
| } |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedPerspectiveBoundsTest) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back(PerspectiveTransformOperation::Create(20)); |
| to_ops.Operations().push_back(PerspectiveTransformOperation::Create(40)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 20), bounds); |
| |
| from_ops.BlendedBoundsForBox(box, to_ops, -0.25, 1.25, &bounds); |
| // The perspective range was [20, 40] and blending will extrapolate that to |
| // [17, 53]. The cube has w/h/d of 10 and the observer is at 17, so the face |
| // closest the observer is 17-10=7. |
| double projected_size = 10.0 / 7.0 * 17.0; |
| EXPECT_PRED_FORMAT2( |
| float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, projected_size, projected_size, projected_size), |
| bounds); |
| } |
| |
| TEST(TransformOperationsTest, EmpiricalAnimatedPerspectiveBoundsTest) { |
| float depths[][2] = { |
| {600, 400}, {800, 1000}, {800, std::numeric_limits<float>::infinity()}}; |
| |
| float progress[][2] = {{0, 1}, {-0.1f, 1.1f}}; |
| |
| for (size_t i = 0; i < base::size(depths); ++i) { |
| for (size_t j = 0; j < base::size(progress); ++j) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| |
| from_ops.Operations().push_back( |
| PerspectiveTransformOperation::Create(depths[i][0])); |
| to_ops.Operations().push_back( |
| PerspectiveTransformOperation::Create(depths[i][1])); |
| |
| EmpiricallyTestBounds(from_ops, to_ops, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AnimatedSkewBoundsTest) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| from_ops.Operations().push_back( |
| SkewTransformOperation::Create(-45, 0, TransformOperation::kSkew)); |
| to_ops.Operations().push_back( |
| SkewTransformOperation::Create(0, 45, TransformOperation::kSkew)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| to_ops.BlendedBoundsForBox(box, kIdentityOperations, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 10, 20, 10), bounds); |
| |
| kIdentityOperations.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 10, 10), bounds); |
| |
| to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 20, 10), bounds); |
| |
| from_ops.BlendedBoundsForBox(box, to_ops, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 20, 10), bounds); |
| } |
| |
| TEST(TransformOperationsTest, NonCommutativeRotations) { |
| TransformOperations from_ops; |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 0, 0, 0, TransformOperation::kRotate3D)); |
| from_ops.Operations().push_back(RotateTransformOperation::Create( |
| 0, 1, 0, 0, TransformOperation::kRotate3D)); |
| TransformOperations to_ops; |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| 1, 0, 0, 45, TransformOperation::kRotate3D)); |
| to_ops.Operations().push_back(RotateTransformOperation::Create( |
| 0, 1, 0, 135, TransformOperation::kRotate3D)); |
| |
| FloatBox box(0, 0, 0, 1, 1, 1); |
| FloatBox bounds; |
| |
| double min_progress = 0; |
| double max_progress = 1; |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, min_progress, |
| max_progress, &bounds)); |
| |
| TransformOperations operations = to_ops.Blend(from_ops, max_progress); |
| TransformationMatrix blended_transform; |
| operations.Apply(FloatSize(0, 0), blended_transform); |
| |
| FloatPoint3D blended_point(0.9f, 0.9f, 0); |
| blended_point = blended_transform.MapPoint(blended_point); |
| FloatBox expanded_bounds = bounds; |
| expanded_bounds.ExpandTo(blended_point); |
| |
| ASSERT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, bounds, |
| expanded_bounds); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteSequenceBoundsTest) { |
| TransformOperations from_ops; |
| TransformOperations to_ops; |
| |
| from_ops.Operations().push_back( |
| TranslateTransformOperation::Create(Length(1, kFixed), Length(-5, kFixed), |
| 1, TransformOperation::kTranslate3D)); |
| from_ops.Operations().push_back( |
| ScaleTransformOperation::Create(-1, 2, 3, TransformOperation::kScale3D)); |
| from_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(2, kFixed), Length(4, kFixed), -1, |
| TransformOperation::kTranslate3D)); |
| |
| to_ops.Operations().push_back(TranslateTransformOperation::Create( |
| Length(13, kFixed), Length(-1, kFixed), 5, |
| TransformOperation::kTranslate3D)); |
| to_ops.Operations().push_back( |
| ScaleTransformOperation::Create(-3, -2, 5, TransformOperation::kScale3D)); |
| to_ops.Operations().push_back( |
| TranslateTransformOperation::Create(Length(6, kFixed), Length(-2, kFixed), |
| 3, TransformOperation::kTranslate3D)); |
| |
| FloatBox box(1, 2, 3, 4, 4, 4); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, -0.5, 1.5, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-57, -59, -1, 76, 112, 80), bounds); |
| |
| EXPECT_TRUE(to_ops.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-32, -25, 7, 42, 44, 48), bounds); |
| |
| EXPECT_TRUE( |
| to_ops.BlendedBoundsForBox(box, kIdentityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-33, -13, 3, 57, 19, 52), bounds); |
| |
| EXPECT_TRUE( |
| kIdentityOperations.BlendedBoundsForBox(box, from_ops, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, |
| FloatBox(-7, -3, 2, 15, 23, 20), bounds); |
| } |
| |
| TEST(TransformOperationsTest, ZoomTest) { |
| double zoom_factor = 1.25; |
| |
| FloatPoint3D original_point(2, 3, 4); |
| |
| TransformOperations ops; |
| ops.Operations().push_back( |
| TranslateTransformOperation::Create(Length(1, kFixed), Length(2, kFixed), |
| 3, TransformOperation::kTranslate3D)); |
| ops.Operations().push_back(PerspectiveTransformOperation::Create(1234)); |
| ops.Operations().push_back( |
| Matrix3DTransformOperation::Create(TransformationMatrix( |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16))); |
| |
| // Apply unzoomed ops to unzoomed units, then zoom in |
| FloatPoint3D unzoomed_point = original_point; |
| TransformOperations unzoomed_ops = ops; |
| TransformationMatrix unzoomed_matrix; |
| ops.Apply(FloatSize(0, 0), unzoomed_matrix); |
| FloatPoint3D result1 = unzoomed_matrix.MapPoint(unzoomed_point); |
| result1.Scale(zoom_factor, zoom_factor, zoom_factor); |
| |
| // Apply zoomed ops to zoomed units |
| FloatPoint3D zoomed_point = original_point; |
| zoomed_point.Scale(zoom_factor, zoom_factor, zoom_factor); |
| TransformOperations zoomed_ops = ops.Zoom(zoom_factor); |
| TransformationMatrix zoomed_matrix; |
| zoomed_ops.Apply(FloatSize(0, 0), zoomed_matrix); |
| FloatPoint3D result2 = zoomed_matrix.MapPoint(zoomed_point); |
| |
| EXPECT_EQ(result1, result2); |
| } |
| |
| } // namespace blink |
