1 /* 2 Copyright (C) 2005, 2006 Apple Inc. All rights reserved. 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library General Public 6 License as published by the Free Software Foundation; either 7 version 2 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18 19 20 Some useful definitions needed for laying out elements 21 */ 22 23 #ifndef GapRects_h 24 #define GapRects_h 25 26 #include "IntRect.h" 27 28 namespace WebCore { 29 30 struct GapRects { leftGapRects31 const IntRect& left() const { return m_left; } centerGapRects32 const IntRect& center() const { return m_center; } rightGapRects33 const IntRect& right() const { return m_right; } 34 uniteLeftGapRects35 void uniteLeft(const IntRect& r) { m_left.unite(r); } uniteCenterGapRects36 void uniteCenter(const IntRect& r) { m_center.unite(r); } uniteRightGapRects37 void uniteRight(const IntRect& r) { m_right.unite(r); } uniteGapRects38 void unite(const GapRects& o) { uniteLeft(o.left()); uniteCenter(o.center()); uniteRight(o.right()); } 39 IntRectGapRects40 operator IntRect() const 41 { 42 IntRect result = m_left; 43 result.unite(m_center); 44 result.unite(m_right); 45 return result; 46 } 47 48 bool operator==(const GapRects& other) 49 { 50 return m_left == other.left() && m_center == other.center() && m_right == other.right(); 51 } 52 bool operator!=(const GapRects& other) { return !(*this == other); } 53 54 private: 55 IntRect m_left; 56 IntRect m_center; 57 IntRect m_right; 58 }; 59 60 } // namespace WebCore 61 62 #endif // GapRects_h 63