1 /* 2 * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2010 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef RoundedIntRect_h 28 #define RoundedIntRect_h 29 30 #include "IntRect.h" 31 32 namespace WebCore { 33 34 35 class RoundedIntRect { 36 public: 37 class Radii { 38 public: Radii()39 Radii() {} Radii(const IntSize & topLeft,const IntSize & topRight,const IntSize & bottomLeft,const IntSize & bottomRight)40 Radii(const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft, const IntSize& bottomRight) 41 : m_topLeft(topLeft) 42 , m_topRight(topRight) 43 , m_bottomLeft(bottomLeft) 44 , m_bottomRight(bottomRight) 45 { 46 } 47 setTopLeft(const IntSize & size)48 void setTopLeft(const IntSize& size) { m_topLeft = size; } setTopRight(const IntSize & size)49 void setTopRight(const IntSize& size) { m_topRight = size; } setBottomLeft(const IntSize & size)50 void setBottomLeft(const IntSize& size) { m_bottomLeft = size; } setBottomRight(const IntSize & size)51 void setBottomRight(const IntSize& size) { m_bottomRight = size; } topLeft()52 const IntSize& topLeft() const { return m_topLeft; } topRight()53 const IntSize& topRight() const { return m_topRight; } bottomLeft()54 const IntSize& bottomLeft() const { return m_bottomLeft; } bottomRight()55 const IntSize& bottomRight() const { return m_bottomRight; } 56 57 bool isZero() const; 58 59 void includeLogicalEdges(const Radii& edges, bool isHorizontal, bool includeLogicalLeftEdge, bool includeLogicalRightEdge); 60 void excludeLogicalEdges(bool isHorizontal, bool excludeLogicalLeftEdge, bool excludeLogicalRightEdge); 61 62 void scale(float factor); 63 void expand(int topWidth, int bottomWidth, int leftWidth, int rightWidth); expand(int size)64 void expand(int size) { expand(size, size, size, size); } shrink(int topWidth,int bottomWidth,int leftWidth,int rightWidth)65 void shrink(int topWidth, int bottomWidth, int leftWidth, int rightWidth) { expand(-topWidth, -bottomWidth, -leftWidth, -rightWidth); } shrink(int size)66 void shrink(int size) { shrink(size, size, size, size); } 67 68 private: 69 IntSize m_topLeft; 70 IntSize m_topRight; 71 IntSize m_bottomLeft; 72 IntSize m_bottomRight; 73 }; 74 75 explicit RoundedIntRect(const IntRect&, const Radii& = Radii()); 76 RoundedIntRect(int x, int y, int width, int height); 77 RoundedIntRect(const IntRect&, const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft, const IntSize& bottomRight); 78 rect()79 const IntRect& rect() const { return m_rect; } radii()80 const Radii& radii() const { return m_radii; } isRounded()81 bool isRounded() const { return !m_radii.isZero(); } isEmpty()82 bool isEmpty() const { return m_rect.isEmpty(); } 83 setRect(const IntRect & rect)84 void setRect(const IntRect& rect) { m_rect = rect; } setRadii(const Radii & radii)85 void setRadii(const Radii& radii) { m_radii = radii; } 86 move(const IntSize & size)87 void move(const IntSize& size) { m_rect.move(size); } inflate(int size)88 void inflate(int size) { m_rect.inflate(size); } inflateWithRadii(int size)89 void inflateWithRadii(int size) { m_rect.inflate(size); m_radii.expand(size); } expandRadii(int size)90 void expandRadii(int size) { m_radii.expand(size); } shrinkRadii(int size)91 void shrinkRadii(int size) { m_radii.shrink(size); } 92 93 void includeLogicalEdges(const Radii& edges, bool isHorizontal, bool includeLogicalLeftEdge, bool includeLogicalRightEdge); 94 void excludeLogicalEdges(bool isHorizontal, bool excludeLogicalLeftEdge, bool excludeLogicalRightEdge); 95 96 bool isRenderable() const; 97 98 private: 99 IntRect m_rect; 100 Radii m_radii; 101 }; 102 103 inline bool operator==(const RoundedIntRect::Radii& a, const RoundedIntRect::Radii& b) 104 { 105 return a.topLeft() == b.topLeft() && a.topRight() == b.topRight() && a.bottomLeft() == b.bottomLeft() && a.bottomRight() == b.bottomRight(); 106 } 107 108 inline bool operator==(const RoundedIntRect& a, const RoundedIntRect& b) 109 { 110 return a.rect() == b.rect() && a.radii() == b.radii(); 111 } 112 113 114 } // namespace WebCore 115 116 #endif // RoundedIntRect_h 117