| /* |
| * Copyright (C) 2016 Apple 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 "config.h" |
| |
| #include <WebCore/AffineTransform.h> |
| #include <WebCore/FloatPoint.h> |
| #include <WebCore/FloatSize.h> |
| #include <WebCore/IntPoint.h> |
| #include <WebCore/IntSize.h> |
| #include <WebCore/TransformationMatrix.h> |
| |
| #if USE(CG) |
| #include <CoreGraphics/CoreGraphics.h> |
| #endif |
| |
| namespace TestWebKitAPI { |
| |
| static void testGetAndSet(WebCore::FloatPoint point) |
| { |
| point.setX(1.1f); |
| EXPECT_FLOAT_EQ(1.1f, point.x()); |
| point.setY(2.2f); |
| EXPECT_FLOAT_EQ(2.2f, point.y()); |
| |
| point.set(9.9f, 8.8f); |
| EXPECT_FLOAT_EQ(9.9f, point.x()); |
| EXPECT_FLOAT_EQ(8.8f, point.y()); |
| } |
| |
| TEST(FloatPoint, DefaultConstruction) |
| { |
| WebCore::FloatPoint test; |
| |
| EXPECT_FLOAT_EQ(0, test.x()); |
| EXPECT_FLOAT_EQ(0, test.y()); |
| |
| testGetAndSet(test); |
| } |
| |
| TEST(FloatPoint, ValueConstruction) |
| { |
| WebCore::FloatPoint test(9.9f, 8.8f); |
| |
| EXPECT_FLOAT_EQ(9.9f, test.x()); |
| EXPECT_FLOAT_EQ(8.8f, test.y()); |
| |
| testGetAndSet(test); |
| } |
| |
| TEST(FloatPoint, ZeroConstruction) |
| { |
| WebCore::FloatPoint test = WebCore::FloatPoint::zero(); |
| |
| EXPECT_FLOAT_EQ(0, test.x()); |
| EXPECT_FLOAT_EQ(0, test.y()); |
| } |
| |
| TEST(FloatPoint, IntPointConstruction) |
| { |
| WebCore::IntPoint testInput(2003, 1997); |
| WebCore::FloatPoint test = WebCore::FloatPoint(testInput); |
| |
| EXPECT_FLOAT_EQ(2003.0f, test.x()); |
| EXPECT_FLOAT_EQ(1997.0f, test.y()); |
| } |
| |
| TEST(FloatPoint, FloatSizeConstruction) |
| { |
| WebCore::FloatSize testInput(500.7f, 300.2f); |
| WebCore::FloatPoint test = WebCore::FloatPoint(testInput); |
| |
| EXPECT_FLOAT_EQ(500.7, test.x()); |
| EXPECT_FLOAT_EQ(300.2, test.y()); |
| } |
| |
| TEST(FloatPoint, MoveByFloat) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| test.move(20.2f, 30.3f); |
| |
| EXPECT_FLOAT_EQ(120.2f, test.x()); |
| EXPECT_FLOAT_EQ(230.3f, test.y()); |
| |
| test.move(-81.3f, 10.0f); |
| |
| EXPECT_FLOAT_EQ(38.9f, test.x()); |
| EXPECT_FLOAT_EQ(240.3f, test.y()); |
| |
| test.move(11.1f, -33.2f); |
| |
| EXPECT_FLOAT_EQ(50.0f, test.x()); |
| EXPECT_FLOAT_EQ(207.1f, test.y()); |
| |
| test.move(-5.6f, -9.8f); |
| |
| EXPECT_FLOAT_EQ(44.4f, test.x()); |
| EXPECT_FLOAT_EQ(197.3f, test.y()); |
| } |
| |
| TEST(FloatPoint, MoveByIntSize) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| WebCore::IntSize first(20, 30); |
| |
| test.move(first); |
| |
| EXPECT_FLOAT_EQ(120.0f, test.x()); |
| EXPECT_FLOAT_EQ(230.0f, test.y()); |
| |
| WebCore::IntSize second(-81, 10); |
| |
| test.move(second); |
| |
| EXPECT_FLOAT_EQ(39.0f, test.x()); |
| EXPECT_FLOAT_EQ(240.0f, test.y()); |
| |
| WebCore::IntSize third(11, -33); |
| |
| test.move(third); |
| |
| EXPECT_FLOAT_EQ(50.0f, test.x()); |
| EXPECT_FLOAT_EQ(207.0f, test.y()); |
| |
| WebCore::IntSize fourth(-6, -10); |
| |
| test.move(fourth); |
| |
| EXPECT_FLOAT_EQ(44.0f, test.x()); |
| EXPECT_FLOAT_EQ(197.0f, test.y()); |
| } |
| |
| TEST(FloatPoint, MoveByFloatSize) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| WebCore::FloatSize first(20.2f, 30.3f); |
| |
| test.move(first); |
| |
| EXPECT_FLOAT_EQ(120.2f, test.x()); |
| EXPECT_FLOAT_EQ(230.3f, test.y()); |
| |
| WebCore::FloatSize second(-81.3f, 10.0f); |
| |
| test.move(second); |
| |
| EXPECT_FLOAT_EQ(38.9f, test.x()); |
| EXPECT_FLOAT_EQ(240.3f, test.y()); |
| |
| WebCore::FloatSize third(11.1f, -33.2f); |
| |
| test.move(third); |
| |
| EXPECT_FLOAT_EQ(50.0f, test.x()); |
| EXPECT_FLOAT_EQ(207.1f, test.y()); |
| |
| WebCore::FloatSize fourth(-5.6f, -9.8f); |
| |
| test.move(fourth); |
| |
| EXPECT_FLOAT_EQ(44.4f, test.x()); |
| EXPECT_FLOAT_EQ(197.3f, test.y()); |
| } |
| |
| TEST(FloatPoint, MoveByIntPoint) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| WebCore::IntPoint first(20, 30); |
| |
| test.moveBy(first); |
| |
| EXPECT_FLOAT_EQ(120.0f, test.x()); |
| EXPECT_FLOAT_EQ(230.0f, test.y()); |
| |
| WebCore::IntPoint second(-81, 10); |
| |
| test.moveBy(second); |
| |
| EXPECT_FLOAT_EQ(39.0f, test.x()); |
| EXPECT_FLOAT_EQ(240.0f, test.y()); |
| |
| WebCore::IntPoint third(11, -33); |
| |
| test.moveBy(third); |
| |
| EXPECT_FLOAT_EQ(50.0f, test.x()); |
| EXPECT_FLOAT_EQ(207.0f, test.y()); |
| |
| WebCore::IntPoint fourth(-6, -10); |
| |
| test.moveBy(fourth); |
| |
| EXPECT_FLOAT_EQ(44.0f, test.x()); |
| EXPECT_FLOAT_EQ(197.0f, test.y()); |
| } |
| |
| TEST(FloatPoint, MoveByFloatPoint) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| WebCore::FloatPoint first(20.2f, 30.3f); |
| |
| test.moveBy(first); |
| |
| EXPECT_FLOAT_EQ(120.2f, test.x()); |
| EXPECT_FLOAT_EQ(230.3f, test.y()); |
| |
| WebCore::FloatPoint second(-81.3f, 10.0f); |
| |
| test.moveBy(second); |
| |
| EXPECT_FLOAT_EQ(38.9f, test.x()); |
| EXPECT_FLOAT_EQ(240.3f, test.y()); |
| |
| WebCore::FloatPoint third(11.1f, -33.2f); |
| |
| test.moveBy(third); |
| |
| EXPECT_FLOAT_EQ(50.0f, test.x()); |
| EXPECT_FLOAT_EQ(207.1f, test.y()); |
| |
| WebCore::FloatPoint fourth(-5.6f, -9.8f); |
| |
| test.moveBy(fourth); |
| |
| EXPECT_FLOAT_EQ(44.4f, test.x()); |
| EXPECT_FLOAT_EQ(197.3f, test.y()); |
| } |
| |
| TEST(FloatPoint, Scale) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| test.scale(2.0f, 2.0f); |
| |
| EXPECT_FLOAT_EQ(200.0f, test.x()); |
| EXPECT_FLOAT_EQ(400.0f, test.y()); |
| |
| test.scale(0.5f, 0.5f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| test.scale(2); |
| |
| EXPECT_FLOAT_EQ(200.0f, test.x()); |
| EXPECT_FLOAT_EQ(400.0f, test.y()); |
| |
| test.scale(1.0f, 0.5f); |
| |
| EXPECT_FLOAT_EQ(200.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| } |
| |
| TEST(FloatPoint, Normalize) |
| { |
| WebCore::FloatPoint a(30.0f, 40.0f); |
| |
| a.normalize(); |
| |
| EXPECT_FLOAT_EQ(0.6, a.x()); |
| EXPECT_FLOAT_EQ(0.8, a.y()); |
| } |
| |
| TEST(FloatPoint, Dot) |
| { |
| WebCore::FloatPoint a(100.0f, 200.0f); |
| WebCore::FloatPoint b(2.0f, 4.0f); |
| WebCore::FloatPoint c(1.0f, 0.5f); |
| |
| EXPECT_NEAR(1000.0f, a.dot(b), 0.0001f); |
| EXPECT_NEAR(200.0f, a.dot(c), 0.0001f); |
| } |
| |
| TEST(FloatPoint, LengthSquared) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| EXPECT_FLOAT_EQ(50000.0f, test.lengthSquared()); |
| } |
| |
| TEST(FloatPoint, ConstrainedBetween) |
| { |
| WebCore::FloatPoint left(10.0f, 20.0f); |
| WebCore::FloatPoint right(100.0f, 200.0f); |
| |
| WebCore::FloatPoint test1(50.0f, 80.0f); |
| WebCore::FloatPoint test2(8.0f, 80.0f); |
| WebCore::FloatPoint test3(50.0f, 220.0f); |
| |
| auto constrained1 = test1.constrainedBetween(left, right); |
| EXPECT_FLOAT_EQ(50.0f, constrained1.x()); |
| EXPECT_FLOAT_EQ(80.0f, constrained1.y()); |
| |
| auto constrained2 = test2.constrainedBetween(left, right); |
| EXPECT_FLOAT_EQ(10.0f, constrained2.x()); |
| EXPECT_FLOAT_EQ(80.0f, constrained2.y()); |
| |
| auto constrained3 = test3.constrainedBetween(left, right); |
| EXPECT_FLOAT_EQ(50.0f, constrained3.x()); |
| EXPECT_FLOAT_EQ(200.0f, constrained3.y()); |
| } |
| |
| TEST(FloatPoint, ShrunkTo) |
| { |
| WebCore::FloatPoint big(100.0f, 200.0f); |
| WebCore::FloatPoint smaller(10.0f, 80.0f); |
| |
| auto shrunkTo = big.shrunkTo(smaller); |
| |
| EXPECT_FLOAT_EQ(10.0f, shrunkTo.x()); |
| EXPECT_FLOAT_EQ(80.0f, shrunkTo.y()); |
| |
| WebCore::FloatPoint bigish(8.0f, 200.0f); |
| |
| auto shrunkTo2 = bigish.shrunkTo(smaller); |
| |
| EXPECT_FLOAT_EQ(8.0f, shrunkTo2.x()); |
| EXPECT_FLOAT_EQ(80.0f, shrunkTo2.y()); |
| } |
| |
| TEST(FloatPoint, ExpandedTo) |
| { |
| WebCore::FloatPoint big(100.0f, 200.0f); |
| WebCore::FloatPoint smaller(10.0f, 80.0f); |
| |
| auto expandedTo = smaller.expandedTo(big); |
| |
| EXPECT_FLOAT_EQ(100.0f, expandedTo.x()); |
| EXPECT_FLOAT_EQ(200.0f, expandedTo.y()); |
| |
| WebCore::FloatPoint bigish(8.0f, 300.0f); |
| |
| auto expandedTo2 = bigish.expandedTo(big); |
| |
| EXPECT_FLOAT_EQ(100.0f, expandedTo2.x()); |
| EXPECT_FLOAT_EQ(300.0f, expandedTo2.y()); |
| } |
| |
| TEST(FloatPoint, Transpose) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| EXPECT_FLOAT_EQ(100.0f, test.x()); |
| EXPECT_FLOAT_EQ(200.0f, test.y()); |
| |
| auto transposed = test.transposedPoint(); |
| |
| EXPECT_FLOAT_EQ(200.0f, transposed.x()); |
| EXPECT_FLOAT_EQ(100.0f, transposed.y()); |
| } |
| |
| TEST(FloatPoint, Transforms) |
| { |
| WebCore::FloatPoint test(100.0f, 200.0f); |
| |
| WebCore::AffineTransform affine; |
| |
| auto transformed1 = test.matrixTransform(affine); |
| |
| EXPECT_FLOAT_EQ(100.0f, transformed1.x()); |
| EXPECT_FLOAT_EQ(200.0f, transformed1.y()); |
| |
| WebCore::AffineTransform affine2(2.0, 0.0, 0.0, 2.0, 0.0, 0.0); |
| |
| auto transformed2 = test.matrixTransform(affine2); |
| |
| EXPECT_FLOAT_EQ(200.0f, transformed2.x()); |
| EXPECT_FLOAT_EQ(400.0f, transformed2.y()); |
| |
| WebCore::TransformationMatrix matrix; |
| |
| auto transformed3 = test.matrixTransform(matrix); |
| |
| EXPECT_FLOAT_EQ(100.0f, transformed3.x()); |
| EXPECT_FLOAT_EQ(200.0f, transformed3.y()); |
| |
| auto transformed4 = test.matrixTransform(affine2.toTransformationMatrix()); |
| |
| EXPECT_FLOAT_EQ(200.0f, transformed4.x()); |
| EXPECT_FLOAT_EQ(400.0f, transformed4.y()); |
| } |
| |
| TEST(FloatPoint, Math) |
| { |
| WebCore::FloatPoint a(100.0f, 200.0f); |
| WebCore::FloatPoint b(100.0f, 200.0f); |
| |
| a += b; |
| |
| EXPECT_FLOAT_EQ(200.0f, a.x()); |
| EXPECT_FLOAT_EQ(400.0f, a.y()); |
| |
| WebCore::FloatSize c(50.0f, 50.0f); |
| |
| a += c; |
| |
| EXPECT_FLOAT_EQ(250.0f, a.x()); |
| EXPECT_FLOAT_EQ(450.0f, a.y()); |
| |
| WebCore::FloatSize d(10.0f, 200.0f); |
| |
| a -= d; |
| |
| EXPECT_FLOAT_EQ(240.0f, a.x()); |
| EXPECT_FLOAT_EQ(250.0f, a.y()); |
| |
| WebCore::FloatSize e(100.0f, 200.0f); |
| |
| auto f = b + e; |
| |
| EXPECT_FLOAT_EQ(200.0f, f.x()); |
| EXPECT_FLOAT_EQ(400.0f, f.y()); |
| |
| WebCore::FloatPoint g(10.0f, 20.0f); |
| |
| auto h = b + g; |
| |
| EXPECT_FLOAT_EQ(110.0f, h.x()); |
| EXPECT_FLOAT_EQ(220.0f, h.y()); |
| |
| WebCore::FloatSize i = b - g; |
| |
| EXPECT_FLOAT_EQ(90.0f, i.width()); |
| EXPECT_FLOAT_EQ(180.0f, i.height()); |
| |
| WebCore::FloatPoint j = b - e; |
| |
| EXPECT_FLOAT_EQ(0.0f, j.x()); |
| EXPECT_FLOAT_EQ(0.0f, j.y()); |
| |
| WebCore::FloatPoint negated = -b; |
| |
| EXPECT_FLOAT_EQ(-100.0f, negated.x()); |
| EXPECT_FLOAT_EQ(-200.0f, negated.y()); |
| |
| float value = b * g; |
| |
| EXPECT_FLOAT_EQ(5000.0f, value); |
| } |
| |
| TEST(FloatPoint, Equality) |
| { |
| WebCore::FloatPoint a(100.0f, 200.0f); |
| WebCore::FloatPoint b(100.0f, 200.0f); |
| WebCore::FloatPoint c(10.0f, 20.0f); |
| |
| ASSERT_TRUE(a == b); |
| ASSERT_FALSE(a == c); |
| ASSERT_FALSE(a != b); |
| ASSERT_TRUE(a != c); |
| |
| ASSERT_TRUE(WebCore::areEssentiallyEqual(a, b)); |
| ASSERT_FALSE(WebCore::areEssentiallyEqual(a, c)); |
| } |
| |
| TEST(FloatPoint, Floors) |
| { |
| WebCore::FloatPoint a(100.6f, 199.9f); |
| |
| WebCore::IntSize flooredSize = WebCore::flooredIntSize(a); |
| EXPECT_FLOAT_EQ(100, flooredSize.width()); |
| EXPECT_FLOAT_EQ(199, flooredSize.height()); |
| |
| WebCore::IntPoint flooredPoint = WebCore::flooredIntPoint(a); |
| EXPECT_FLOAT_EQ(100, flooredPoint.x()); |
| EXPECT_FLOAT_EQ(199, flooredPoint.y()); |
| |
| WebCore::FloatPoint flooredPoint1x = WebCore::floorPointToDevicePixels(a, 1.0); |
| EXPECT_FLOAT_EQ(100.0f, flooredPoint1x.x()); |
| EXPECT_FLOAT_EQ(199.0f, flooredPoint1x.y()); |
| |
| WebCore::FloatPoint flooredPoint2x = WebCore::floorPointToDevicePixels(a, 2.0); |
| EXPECT_FLOAT_EQ(100.5f, flooredPoint2x.x()); |
| EXPECT_FLOAT_EQ(199.5f, flooredPoint2x.y()); |
| } |
| |
| TEST(FloatPoint, Rounding) |
| { |
| WebCore::FloatPoint a(100.4f, 199.9f); |
| |
| WebCore::IntPoint roundedPoint = WebCore::roundedIntPoint(a); |
| EXPECT_FLOAT_EQ(100, roundedPoint.x()); |
| EXPECT_FLOAT_EQ(200, roundedPoint.y()); |
| } |
| |
| TEST(FloatPoint, Ceiling) |
| { |
| WebCore::FloatPoint a(100.4f, 199.9f); |
| |
| WebCore::IntPoint ceilingPoint = WebCore::ceiledIntPoint(a); |
| EXPECT_FLOAT_EQ(101, ceilingPoint.x()); |
| EXPECT_FLOAT_EQ(200, ceilingPoint.y()); |
| |
| WebCore::FloatPoint ceilingPoint1x = WebCore::ceilPointToDevicePixels(a, 1.0); |
| EXPECT_FLOAT_EQ(101.0f, ceilingPoint1x.x()); |
| EXPECT_FLOAT_EQ(200.0f, ceilingPoint1x.y()); |
| |
| WebCore::FloatPoint ceilingPoint2x = WebCore::ceilPointToDevicePixels(a, 2.0); |
| EXPECT_FLOAT_EQ(100.5f, ceilingPoint2x.x()); |
| EXPECT_FLOAT_EQ(200.0f, ceilingPoint2x.y()); |
| } |
| |
| TEST(FloatPoint, Casting) |
| { |
| WebCore::FloatPoint a(100.4f, 199.9f); |
| |
| WebCore::FloatSize floatSize = WebCore::toFloatSize(a); |
| EXPECT_FLOAT_EQ(100.4f, floatSize.width()); |
| EXPECT_FLOAT_EQ(199.9f, floatSize.height()); |
| |
| WebCore::FloatSize b(99.6f, 299.1f); |
| |
| WebCore::FloatPoint floatPoint = WebCore::toFloatPoint(b); |
| EXPECT_FLOAT_EQ(99.6f, floatPoint.x()); |
| EXPECT_FLOAT_EQ(299.1f, floatPoint.y()); |
| |
| #if USE(CG) |
| CGPoint cgPoint = a; |
| |
| EXPECT_FLOAT_EQ(100.4f, cgPoint.x); |
| EXPECT_FLOAT_EQ(199.9f, cgPoint.y); |
| |
| CGPoint cgPoint2 = CGPointMake(-22.3f, 14.2f); |
| |
| WebCore::FloatPoint testCG(cgPoint2); |
| |
| EXPECT_FLOAT_EQ(-22.3f, testCG.x()); |
| EXPECT_FLOAT_EQ(14.2f, testCG.y()); |
| #endif |
| } |
| |
| } |
