| /* |
| * Copyright (C) 2013 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDERS AND 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 THE |
| * COPYRIGHT HOLDER OR 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/geometry/FloatRoundedRect.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| #define TEST_INTERCEPTS(roundedRect, yCoordinate, expectedMinXIntercept, \ |
| expectedMaxXIntercept) \ |
| { \ |
| float minXIntercept; \ |
| float maxXIntercept; \ |
| EXPECT_TRUE(roundedRect.xInterceptsAtY(yCoordinate, minXIntercept, \ |
| maxXIntercept)); \ |
| EXPECT_FLOAT_EQ(expectedMinXIntercept, minXIntercept); \ |
| EXPECT_FLOAT_EQ(expectedMaxXIntercept, maxXIntercept); \ |
| } |
| |
| TEST(FloatRoundedRectTest, zeroRadii) { |
| FloatRoundedRect r = FloatRoundedRect(1, 2, 3, 4); |
| |
| EXPECT_EQ(FloatRect(1, 2, 3, 4), r.rect()); |
| EXPECT_EQ(FloatSize(), r.getRadii().topLeft()); |
| EXPECT_EQ(FloatSize(), r.getRadii().topRight()); |
| EXPECT_EQ(FloatSize(), r.getRadii().bottomLeft()); |
| EXPECT_EQ(FloatSize(), r.getRadii().bottomRight()); |
| EXPECT_TRUE(r.getRadii().isZero()); |
| EXPECT_FALSE(r.isRounded()); |
| EXPECT_FALSE(r.isEmpty()); |
| |
| EXPECT_EQ(FloatRect(1, 2, 0, 0), r.topLeftCorner()); |
| EXPECT_EQ(FloatRect(4, 2, 0, 0), r.topRightCorner()); |
| EXPECT_EQ(FloatRect(4, 6, 0, 0), r.bottomRightCorner()); |
| EXPECT_EQ(FloatRect(1, 6, 0, 0), r.bottomLeftCorner()); |
| |
| TEST_INTERCEPTS(r, 2, r.rect().x(), r.rect().maxX()); |
| TEST_INTERCEPTS(r, 4, r.rect().x(), r.rect().maxX()); |
| TEST_INTERCEPTS(r, 6, r.rect().x(), r.rect().maxX()); |
| |
| float minXIntercept; |
| float maxXIntercept; |
| |
| EXPECT_FALSE(r.xInterceptsAtY(1, minXIntercept, maxXIntercept)); |
| EXPECT_FALSE(r.xInterceptsAtY(7, minXIntercept, maxXIntercept)); |
| |
| // The FloatRoundedRect::expandRadii() function doesn't change radii |
| // FloatSizes that are <= zero. Same as RoundedRect::expandRadii(). |
| r.expandRadii(20); |
| r.shrinkRadii(10); |
| EXPECT_TRUE(r.getRadii().isZero()); |
| } |
| |
| TEST(FloatRoundedRectTest, circle) { |
| FloatSize cornerRadii(50, 50); |
| FloatRoundedRect r(FloatRect(0, 0, 100, 100), cornerRadii, cornerRadii, |
| cornerRadii, cornerRadii); |
| |
| EXPECT_EQ(FloatRect(0, 0, 100, 100), r.rect()); |
| EXPECT_EQ(cornerRadii, r.getRadii().topLeft()); |
| EXPECT_EQ(cornerRadii, r.getRadii().topRight()); |
| EXPECT_EQ(cornerRadii, r.getRadii().bottomLeft()); |
| EXPECT_EQ(cornerRadii, r.getRadii().bottomRight()); |
| EXPECT_FALSE(r.getRadii().isZero()); |
| EXPECT_TRUE(r.isRounded()); |
| EXPECT_FALSE(r.isEmpty()); |
| |
| EXPECT_EQ(FloatRect(0, 0, 50, 50), r.topLeftCorner()); |
| EXPECT_EQ(FloatRect(50, 0, 50, 50), r.topRightCorner()); |
| EXPECT_EQ(FloatRect(0, 50, 50, 50), r.bottomLeftCorner()); |
| EXPECT_EQ(FloatRect(50, 50, 50, 50), r.bottomRightCorner()); |
| |
| TEST_INTERCEPTS(r, 0, 50, 50); |
| TEST_INTERCEPTS(r, 25, 6.69873, 93.3013); |
| TEST_INTERCEPTS(r, 50, 0, 100); |
| TEST_INTERCEPTS(r, 75, 6.69873, 93.3013); |
| TEST_INTERCEPTS(r, 100, 50, 50); |
| |
| float minXIntercept; |
| float maxXIntercept; |
| |
| EXPECT_FALSE(r.xInterceptsAtY(-1, minXIntercept, maxXIntercept)); |
| EXPECT_FALSE(r.xInterceptsAtY(101, minXIntercept, maxXIntercept)); |
| } |
| |
| /* |
| * FloatRoundedRect geometry for this test. Corner radii are in parens, x and y |
| * intercepts for the elliptical corners are noted. The rectangle itself is at |
| * 0,0 with width and height 100. |
| * |
| * (10, 15) x=10 x=90 (10, 20) |
| * (--+---------+--) |
| * y=15 +--| |-+ y=20 |
| * | | |
| * | | |
| * y=85 + -| |- + y=70 |
| * (--+---------+--) |
| * (25, 15) x=25 x=80 (20, 30) |
| */ |
| TEST(FloatRoundedRectTest, ellipticalCorners) { |
| FloatSize cornerSize(10, 20); |
| FloatRoundedRect::Radii cornerRadii; |
| cornerRadii.setTopLeft(FloatSize(10, 15)); |
| cornerRadii.setTopRight(FloatSize(10, 20)); |
| cornerRadii.setBottomLeft(FloatSize(25, 15)); |
| cornerRadii.setBottomRight(FloatSize(20, 30)); |
| |
| FloatRoundedRect r(FloatRect(0, 0, 100, 100), cornerRadii); |
| |
| EXPECT_EQ(r.getRadii(), |
| FloatRoundedRect::Radii(FloatSize(10, 15), FloatSize(10, 20), |
| FloatSize(25, 15), FloatSize(20, 30))); |
| EXPECT_EQ(r, FloatRoundedRect(FloatRect(0, 0, 100, 100), cornerRadii)); |
| |
| EXPECT_EQ(FloatRect(0, 0, 10, 15), r.topLeftCorner()); |
| EXPECT_EQ(FloatRect(90, 0, 10, 20), r.topRightCorner()); |
| EXPECT_EQ(FloatRect(0, 85, 25, 15), r.bottomLeftCorner()); |
| EXPECT_EQ(FloatRect(80, 70, 20, 30), r.bottomRightCorner()); |
| |
| TEST_INTERCEPTS(r, 5, 2.5464401, 96.61438); |
| TEST_INTERCEPTS(r, 15, 0, 99.682457); |
| TEST_INTERCEPTS(r, 20, 0, 100); |
| TEST_INTERCEPTS(r, 50, 0, 100); |
| TEST_INTERCEPTS(r, 70, 0, 100); |
| TEST_INTERCEPTS(r, 85, 0, 97.320511); |
| TEST_INTERCEPTS(r, 95, 6.3661003, 91.05542); |
| |
| float minXIntercept; |
| float maxXIntercept; |
| |
| EXPECT_FALSE(r.xInterceptsAtY(-1, minXIntercept, maxXIntercept)); |
| EXPECT_FALSE(r.xInterceptsAtY(101, minXIntercept, maxXIntercept)); |
| } |
| |
| TEST(FloatRoundedRectTest, radiusCenterRect) { |
| FloatSize cornerRect(10, 10); |
| FloatRoundedRect r0( |
| FloatRect(0, 0, 100, 50), |
| FloatRoundedRect::Radii(cornerRect, cornerRect, cornerRect, cornerRect)); |
| EXPECT_EQ(FloatRect(10, 10, 80, 30), r0.radiusCenterRect()); |
| |
| // "Degenerate" cases all return an empty rectangle. |
| FloatRect collapsedRect(0, 0, 100, 50); |
| collapsedRect.expand(FloatRectOutsets(-200, -200, -200, -200)); |
| FloatRoundedRect r1(collapsedRect); |
| EXPECT_TRUE(r1.radiusCenterRect().isEmpty()); |
| |
| FloatRoundedRect::Radii radiiWithTooLargeCorner( |
| FloatSize(55, 55), FloatSize(), FloatSize(), FloatSize()); |
| FloatRoundedRect r2(FloatRect(0, 0, 100, 50), radiiWithTooLargeCorner); |
| EXPECT_TRUE(r2.radiusCenterRect().isEmpty()); |
| } |
| |
| TEST(FloatRoundedRectTest, ToString) { |
| FloatSize cornerRect(1, 2); |
| FloatRoundedRect roundedRect( |
| FloatRect(3, 5, 7, 11), |
| FloatRoundedRect::Radii(cornerRect, cornerRect, cornerRect, cornerRect)); |
| EXPECT_EQ("3,5 7x11 radii:(tl:1x2; tr:1x2; bl:1x2; br:1x2)", |
| roundedRect.toString()); |
| } |
| |
| } // namespace blink |