1 /* 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ClipRect_h 27 #define ClipRect_h 28 29 #include "platform/geometry/LayoutRect.h" 30 31 namespace blink { 32 33 class RenderLayer; 34 class HitTestLocation; 35 36 class ClipRect { 37 public: 38 ClipRect() 39 : m_hasRadius(false) 40 { } 41 42 ClipRect(const LayoutRect& rect) 43 : m_rect(rect) 44 , m_hasRadius(false) 45 { } 46 47 const LayoutRect& rect() const { return m_rect; } 48 void setRect(const LayoutRect& rect) { m_rect = rect; } 49 50 bool hasRadius() const { return m_hasRadius; } 51 void setHasRadius(bool hasRadius) { m_hasRadius = hasRadius; } 52 53 bool operator==(const ClipRect& other) const { return rect() == other.rect() && hasRadius() == other.hasRadius(); } 54 bool operator!=(const ClipRect& other) const { return rect() != other.rect() || hasRadius() != other.hasRadius(); } 55 bool operator!=(const LayoutRect& otherRect) const { return rect() != otherRect; } 56 57 void intersect(const LayoutRect& other) { m_rect.intersect(other); } 58 void intersect(const ClipRect& other) 59 { 60 m_rect.intersect(other.rect()); 61 if (other.hasRadius()) 62 m_hasRadius = true; 63 } 64 void move(LayoutUnit x, LayoutUnit y) { m_rect.move(x, y); } 65 void move(const LayoutSize& size) { m_rect.move(size); } 66 void moveBy(const LayoutPoint& point) { m_rect.moveBy(point); } 67 68 bool isEmpty() const { return m_rect.isEmpty(); } 69 bool intersects(const LayoutRect& rect) const { return m_rect.intersects(rect); } 70 bool intersects(const HitTestLocation&) const; 71 72 private: 73 LayoutRect m_rect; 74 bool m_hasRadius; 75 }; 76 77 inline ClipRect intersection(const ClipRect& a, const ClipRect& b) 78 { 79 ClipRect c = a; 80 c.intersect(b); 81 return c; 82 } 83 84 } // namespace blink 85 86 #endif // ClipRect_h 87
