| /* |
| * 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 "platform/transforms/TransformOperations.h" |
| |
| #include "platform/geometry/FloatBox.h" |
| #include "platform/geometry/FloatBoxTestHelpers.h" |
| #include "platform/transforms/IdentityTransformOperation.h" |
| #include "platform/transforms/Matrix3DTransformOperation.h" |
| #include "platform/transforms/MatrixTransformOperation.h" |
| #include "platform/transforms/PerspectiveTransformOperation.h" |
| #include "platform/transforms/RotateTransformOperation.h" |
| #include "platform/transforms/ScaleTransformOperation.h" |
| #include "platform/transforms/SkewTransformOperation.h" |
| #include "platform/transforms/TranslateTransformOperation.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| static const TransformOperations identityOperations; |
| |
| static void EmpiricallyTestBounds(const TransformOperations& from, |
| const TransformOperations& to, |
| const double& minProgress, |
| const double& maxProgress) { |
| FloatBox box(200, 500, 100, 100, 300, 200); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| to.blendedBoundsForBox(box, from, minProgress, maxProgress, &bounds)); |
| bool firstTime = true; |
| |
| FloatBox empiricalBounds; |
| static const size_t numSteps = 10; |
| for (size_t step = 0; step < numSteps; ++step) { |
| float t = step / (numSteps - 1); |
| t = minProgress + (maxProgress - minProgress) * t; |
| TransformOperations operations = from.blend(to, t); |
| TransformationMatrix matrix; |
| operations.apply(FloatSize(0, 0), matrix); |
| FloatBox transformed = box; |
| matrix.transformBox(transformed); |
| |
| if (firstTime) |
| empiricalBounds = transformed; |
| else |
| empiricalBounds.unionBounds(transformed); |
| firstTime = false; |
| } |
| |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertContains, bounds, empiricalBounds); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedTranslatedBoundsTest) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(TranslateTransformOperation::create( |
| Length(-30, blink::Fixed), Length(20, blink::Fixed), 15, |
| TransformOperation::Translate3D)); |
| toOps.operations().append(TranslateTransformOperation::create( |
| Length(10, blink::Fixed), Length(10, blink::Fixed), 200, |
| TransformOperation::Translate3D)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| toOps.blendedBoundsForBox(box, identityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 210), bounds); |
| |
| EXPECT_TRUE( |
| identityOperations.blendedBoundsForBox(box, toOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 210), bounds); |
| |
| EXPECT_TRUE( |
| identityOperations.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-30, 0, 0, 40, 30, 25), bounds); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-30, 10, 15, 50, 20, 195), bounds); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, -0.5, 1.25, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-50, 7.5, -77.5, 80, 27.5, 333.75), bounds); |
| } |
| |
| TEST(TransformOperationsTest, EmpiricalAnimatedTranslatedBoundsTest) { |
| float testTransforms[][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 < WTF_ARRAY_LENGTH(testTransforms); ++i) { |
| for (size_t j = 0; j < WTF_ARRAY_LENGTH(progress); ++j) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(TranslateTransformOperation::create( |
| Length(testTransforms[i][0][0], blink::Fixed), |
| Length(testTransforms[i][0][1], blink::Fixed), |
| testTransforms[i][0][2], TransformOperation::Translate3D)); |
| toOps.operations().append(TranslateTransformOperation::create( |
| Length(testTransforms[i][1][0], blink::Fixed), |
| Length(testTransforms[i][1][1], blink::Fixed), |
| testTransforms[i][1][2], TransformOperation::Translate3D)); |
| EmpiricallyTestBounds(fromOps, toOps, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedScaleBoundsTest) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append( |
| ScaleTransformOperation::create(4, -3, TransformOperation::Scale)); |
| toOps.operations().append( |
| ScaleTransformOperation::create(5, 2, TransformOperation::Scale)); |
| |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| EXPECT_TRUE( |
| toOps.blendedBoundsForBox(box, identityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 50, 20, 10), bounds); |
| |
| EXPECT_TRUE( |
| identityOperations.blendedBoundsForBox(box, toOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 50, 20, 10), bounds); |
| |
| EXPECT_TRUE( |
| identityOperations.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, -30, 0, 40, 40, 10), bounds); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, -30, 0, 50, 50, 10), bounds); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, -0.5, 1.25, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, -55, 0, 52.5, 87.5, 10), bounds); |
| } |
| |
| TEST(TransformOperationsTest, EmpiricalAnimatedScaleBoundsTest) { |
| float testTransforms[][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 < WTF_ARRAY_LENGTH(testTransforms); ++i) { |
| for (size_t j = 0; j < WTF_ARRAY_LENGTH(progress); ++j) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(TranslateTransformOperation::create( |
| Length(testTransforms[i][0][0], blink::Fixed), |
| Length(testTransforms[i][0][1], blink::Fixed), |
| testTransforms[i][0][2], TransformOperation::Translate3D)); |
| toOps.operations().append(TranslateTransformOperation::create( |
| Length(testTransforms[i][1][0], blink::Fixed), |
| Length(testTransforms[i][1][1], blink::Fixed), |
| testTransforms[i][1][2], TransformOperation::Translate3D)); |
| EmpiricallyTestBounds(fromOps, toOps, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedRotationBounds) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append( |
| RotateTransformOperation::create(0, TransformOperation::Rotate)); |
| toOps.operations().append( |
| RotateTransformOperation::create(360, TransformOperation::Rotate)); |
| 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}; |
| toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds); |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(sizes); ++i) { |
| box.setSize(FloatPoint3D(sizes[i], sizes[i], 0)); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::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 fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 30, TransformOperation::Rotate3D)); |
| toOps.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 390, TransformOperation::Rotate3D)); |
| |
| FloatBox box(1, 0, 0, 0, 0, 0); |
| FloatBox bounds; |
| float min = -1 / 3.0f; |
| float max = 1; |
| float size = max - min; |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::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 fromOps; |
| TransformOperations toSame; |
| TransformOperations toOpposite; |
| TransformOperations toDifferent; |
| fromOps.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 30, TransformOperation::Rotate3D)); |
| toSame.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 390, TransformOperation::Rotate3D)); |
| toOpposite.operations().append(RotateTransformOperation::create( |
| -1, -1, -1, 390, TransformOperation::Rotate3D)); |
| toDifferent.operations().append(RotateTransformOperation::create( |
| 1, 3, 1, 390, TransformOperation::Rotate3D)); |
| |
| FloatBox box(1, 0, 0, 0, 0, 0); |
| FloatBox bounds; |
| EXPECT_TRUE(toSame.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_FALSE(toOpposite.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_FALSE(toDifferent.blendedBoundsForBox(box, fromOps, 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 fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 30, TransformOperation::Rotate3D)); |
| toOps.operations().append(RotateTransformOperation::create( |
| 1, 1, 1, 390, TransformOperation::Rotate3D)); |
| |
| FloatBox box(1, 1, 1, 0, 0, 0); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, box, bounds); |
| } |
| |
| // This would have been best as anonymous structs, but |WTF_ARRAY_LENGTH| |
| // does not get along with anonymous structs once we support C++11 |
| // WTF_ARRAY_LENGTH 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 < WTF_ARRAY_LENGTH(tests); ++i) { |
| float x = tests[i].x; |
| float y = tests[i].y; |
| float z = tests[i].z; |
| TransformOperations fromOps; |
| fromOps.operations().append(RotateTransformOperation::create( |
| x, y, z, 0, TransformOperation::Rotate3D)); |
| TransformOperations toOps; |
| toOps.operations().append(RotateTransformOperation::create( |
| x, y, z, 360, TransformOperation::Rotate3D)); |
| FloatBox box(1, 1, 1, 0, 0, 0); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::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 < WTF_ARRAY_LENGTH(axes); ++i) { |
| for (size_t j = 0; j < WTF_ARRAY_LENGTH(angles); ++j) { |
| for (size_t k = 0; k < WTF_ARRAY_LENGTH(progress); ++k) { |
| float x = axes[i][0]; |
| float y = axes[i][1]; |
| float z = axes[i][2]; |
| |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| |
| fromOps.operations().append(RotateTransformOperation::create( |
| x, y, z, angles[j][0], TransformOperation::Rotate3D)); |
| toOps.operations().append(RotateTransformOperation::create( |
| x, y, z, angles[j][1], TransformOperation::Rotate3D)); |
| EmpiricallyTestBounds(fromOps, toOps, progress[k][0], progress[k][1]); |
| } |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteAnimatedPerspectiveBoundsTest) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append(PerspectiveTransformOperation::create(20)); |
| toOps.operations().append(PerspectiveTransformOperation::create(40)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 20, 20, 20), bounds); |
| |
| fromOps.blendedBoundsForBox(box, toOps, -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 projectedSize = 10.0 / 7.0 * 17.0; |
| EXPECT_PRED_FORMAT2( |
| FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, projectedSize, projectedSize, projectedSize), 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 < WTF_ARRAY_LENGTH(depths); ++i) { |
| for (size_t j = 0; j < WTF_ARRAY_LENGTH(progress); ++j) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| |
| fromOps.operations().append( |
| PerspectiveTransformOperation::create(depths[i][0])); |
| toOps.operations().append( |
| PerspectiveTransformOperation::create(depths[i][1])); |
| |
| EmpiricallyTestBounds(fromOps, toOps, progress[j][0], progress[j][1]); |
| } |
| } |
| } |
| |
| TEST(TransformOperationsTest, AnimatedSkewBoundsTest) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| fromOps.operations().append( |
| SkewTransformOperation::create(-45, 0, TransformOperation::Skew)); |
| toOps.operations().append( |
| SkewTransformOperation::create(0, 45, TransformOperation::Skew)); |
| FloatBox box(0, 0, 0, 10, 10, 10); |
| FloatBox bounds; |
| |
| toOps.blendedBoundsForBox(box, identityOperations, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(0, 0, 0, 10, 20, 10), bounds); |
| |
| identityOperations.blendedBoundsForBox(box, fromOps, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 10, 10), bounds); |
| |
| toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 20, 10), bounds); |
| |
| fromOps.blendedBoundsForBox(box, toOps, 0, 1, &bounds); |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-10, 0, 0, 20, 20, 10), bounds); |
| } |
| |
| TEST(TransformOperationsTest, NonCommutativeRotations) { |
| TransformOperations fromOps; |
| fromOps.operations().append(RotateTransformOperation::create( |
| 1, 0, 0, 0, TransformOperation::Rotate3D)); |
| fromOps.operations().append(RotateTransformOperation::create( |
| 0, 1, 0, 0, TransformOperation::Rotate3D)); |
| TransformOperations toOps; |
| toOps.operations().append(RotateTransformOperation::create( |
| 1, 0, 0, 45, TransformOperation::Rotate3D)); |
| toOps.operations().append(RotateTransformOperation::create( |
| 0, 1, 0, 135, TransformOperation::Rotate3D)); |
| |
| FloatBox box(0, 0, 0, 1, 1, 1); |
| FloatBox bounds; |
| |
| double minProgress = 0; |
| double maxProgress = 1; |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, minProgress, maxProgress, |
| &bounds)); |
| |
| TransformOperations operations = toOps.blend(fromOps, maxProgress); |
| TransformationMatrix blendedTransform; |
| operations.apply(FloatSize(0, 0), blendedTransform); |
| |
| FloatPoint3D blendedPoint(0.9f, 0.9f, 0); |
| blendedPoint = blendedTransform.mapPoint(blendedPoint); |
| FloatBox expandedBounds = bounds; |
| expandedBounds.expandTo(blendedPoint); |
| |
| ASSERT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, bounds, expandedBounds); |
| } |
| |
| TEST(TransformOperationsTest, AbsoluteSequenceBoundsTest) { |
| TransformOperations fromOps; |
| TransformOperations toOps; |
| |
| fromOps.operations().append(TranslateTransformOperation::create( |
| Length(1, Fixed), Length(-5, Fixed), 1, TransformOperation::Translate3D)); |
| fromOps.operations().append( |
| ScaleTransformOperation::create(-1, 2, 3, TransformOperation::Scale3D)); |
| fromOps.operations().append(TranslateTransformOperation::create( |
| Length(2, Fixed), Length(4, Fixed), -1, TransformOperation::Translate3D)); |
| |
| toOps.operations().append( |
| TranslateTransformOperation::create(Length(13, Fixed), Length(-1, Fixed), |
| 5, TransformOperation::Translate3D)); |
| toOps.operations().append( |
| ScaleTransformOperation::create(-3, -2, 5, TransformOperation::Scale3D)); |
| toOps.operations().append(TranslateTransformOperation::create( |
| Length(6, Fixed), Length(-2, Fixed), 3, TransformOperation::Translate3D)); |
| |
| FloatBox box(1, 2, 3, 4, 4, 4); |
| FloatBox bounds; |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, -0.5, 1.5, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-57, -59, -1, 76, 112, 80), bounds); |
| |
| EXPECT_TRUE(toOps.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-32, -25, 7, 42, 44, 48), bounds); |
| |
| EXPECT_TRUE( |
| toOps.blendedBoundsForBox(box, identityOperations, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-33, -13, 3, 57, 19, 52), bounds); |
| |
| EXPECT_TRUE( |
| identityOperations.blendedBoundsForBox(box, fromOps, 0, 1, &bounds)); |
| EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual, |
| FloatBox(-7, -3, 2, 15, 23, 20), bounds); |
| } |
| |
| TEST(TransformOperationsTest, ZoomTest) { |
| double zoomFactor = 1.25; |
| |
| FloatPoint3D originalPoint(2, 3, 4); |
| |
| TransformOperations ops; |
| ops.operations().append(TranslateTransformOperation::create( |
| Length(1, Fixed), Length(2, Fixed), 3, TransformOperation::Translate3D)); |
| ops.operations().append(PerspectiveTransformOperation::create(1234)); |
| ops.operations().append( |
| 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 unzoomedPoint = originalPoint; |
| TransformOperations unzoomedOps = ops; |
| TransformationMatrix unzoomedMatrix; |
| ops.apply(FloatSize(0, 0), unzoomedMatrix); |
| FloatPoint3D result1 = unzoomedMatrix.mapPoint(unzoomedPoint); |
| result1.scale(zoomFactor, zoomFactor, zoomFactor); |
| |
| // Apply zoomed ops to zoomed units |
| FloatPoint3D zoomedPoint = originalPoint; |
| zoomedPoint.scale(zoomFactor, zoomFactor, zoomFactor); |
| TransformOperations zoomedOps = ops.zoom(zoomFactor); |
| TransformationMatrix zoomedMatrix; |
| zoomedOps.apply(FloatSize(0, 0), zoomedMatrix); |
| FloatPoint3D result2 = zoomedMatrix.mapPoint(zoomedPoint); |
| |
| EXPECT_EQ(result1, result2); |
| } |
| |
| } // namespace blink |