1 /* 2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 27 * OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef FloatRoundedRect_h 31 #define FloatRoundedRect_h 32 33 #include "platform/geometry/FloatRect.h" 34 #include "platform/geometry/FloatSize.h" 35 #include "platform/geometry/RoundedRect.h" 36 37 namespace blink { 38 39 class PLATFORM_EXPORT FloatRoundedRect { 40 public: 41 class PLATFORM_EXPORT Radii { 42 public: Radii()43 Radii() { } Radii(const FloatSize & topLeft,const FloatSize & topRight,const FloatSize & bottomLeft,const FloatSize & bottomRight)44 Radii(const FloatSize& topLeft, const FloatSize& topRight, const FloatSize& bottomLeft, const FloatSize& bottomRight) 45 : m_topLeft(topLeft) 46 , m_topRight(topRight) 47 , m_bottomLeft(bottomLeft) 48 , m_bottomRight(bottomRight) 49 { 50 } 51 Radii(const RoundedRect::Radii & intRadii)52 Radii(const RoundedRect::Radii& intRadii) 53 : m_topLeft(intRadii.topLeft()) 54 , m_topRight(intRadii.topRight()) 55 , m_bottomLeft(intRadii.bottomLeft()) 56 , m_bottomRight(intRadii.bottomRight()) 57 { 58 } 59 setTopLeft(const FloatSize & size)60 void setTopLeft(const FloatSize& size) { m_topLeft = size; } setTopRight(const FloatSize & size)61 void setTopRight(const FloatSize& size) { m_topRight = size; } setBottomLeft(const FloatSize & size)62 void setBottomLeft(const FloatSize& size) { m_bottomLeft = size; } setBottomRight(const FloatSize & size)63 void setBottomRight(const FloatSize& size) { m_bottomRight = size; } topLeft()64 const FloatSize& topLeft() const { return m_topLeft; } topRight()65 const FloatSize& topRight() const { return m_topRight; } bottomLeft()66 const FloatSize& bottomLeft() const { return m_bottomLeft; } bottomRight()67 const FloatSize& bottomRight() const { return m_bottomRight; } 68 69 bool isZero() const; 70 71 void scale(float factor); 72 void expand(float topWidth, float bottomWidth, float leftWidth, float rightWidth); expand(float size)73 void expand(float size) { expand(size, size, size, size); } shrink(float topWidth,float bottomWidth,float leftWidth,float rightWidth)74 void shrink(float topWidth, float bottomWidth, float leftWidth, float rightWidth) { expand(-topWidth, -bottomWidth, -leftWidth, -rightWidth); } shrink(float size)75 void shrink(float size) { shrink(size, size, size, size); } 76 77 private: 78 FloatSize m_topLeft; 79 FloatSize m_topRight; 80 FloatSize m_bottomLeft; 81 FloatSize m_bottomRight; 82 }; 83 84 explicit FloatRoundedRect(const FloatRect&, const Radii& = Radii()); 85 FloatRoundedRect(float x, float y, float width, float height); 86 FloatRoundedRect(const FloatRect&, const FloatSize& topLeft, const FloatSize& topRight, const FloatSize& bottomLeft, const FloatSize& bottomRight); 87 rect()88 const FloatRect& rect() const { return m_rect; } radii()89 const Radii& radii() const { return m_radii; } isRounded()90 bool isRounded() const { return !m_radii.isZero(); } isEmpty()91 bool isEmpty() const { return m_rect.isEmpty(); } 92 setRect(const FloatRect & rect)93 void setRect(const FloatRect& rect) { m_rect = rect; } setRadii(const Radii & radii)94 void setRadii(const Radii& radii) { m_radii = radii; } 95 move(const FloatSize & size)96 void move(const FloatSize& size) { m_rect.move(size); } inflate(float size)97 void inflate(float size) { m_rect.inflate(size); } expandRadii(float size)98 void expandRadii(float size) { m_radii.expand(size); } shrinkRadii(float size)99 void shrinkRadii(float size) { m_radii.shrink(size); } 100 topLeftCorner()101 FloatRect topLeftCorner() const 102 { 103 return FloatRect(m_rect.x(), m_rect.y(), m_radii.topLeft().width(), m_radii.topLeft().height()); 104 } topRightCorner()105 FloatRect topRightCorner() const 106 { 107 return FloatRect(m_rect.maxX() - m_radii.topRight().width(), m_rect.y(), m_radii.topRight().width(), m_radii.topRight().height()); 108 } bottomLeftCorner()109 FloatRect bottomLeftCorner() const 110 { 111 return FloatRect(m_rect.x(), m_rect.maxY() - m_radii.bottomLeft().height(), m_radii.bottomLeft().width(), m_radii.bottomLeft().height()); 112 } bottomRightCorner()113 FloatRect bottomRightCorner() const 114 { 115 return FloatRect(m_rect.maxX() - m_radii.bottomRight().width(), m_rect.maxY() - m_radii.bottomRight().height(), m_radii.bottomRight().width(), m_radii.bottomRight().height()); 116 } 117 118 bool xInterceptsAtY(float y, float& minXIntercept, float& maxXIntercept) const; 119 120 private: 121 FloatRect m_rect; 122 Radii m_radii; 123 }; 124 125 inline bool operator==(const FloatRoundedRect::Radii& a, const FloatRoundedRect::Radii& b) 126 { 127 return a.topLeft() == b.topLeft() && a.topRight() == b.topRight() && a.bottomLeft() == b.bottomLeft() && a.bottomRight() == b.bottomRight(); 128 } 129 130 inline bool operator==(const FloatRoundedRect& a, const FloatRoundedRect& b) 131 { 132 return a.rect() == b.rect() && a.radii() == b.radii(); 133 } 134 135 } // namespace blink 136 137 #endif // FloatRoundedRect_h 138