1/* 2 * Copyright (C) 2003, 2006, 2009 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef IntRect_h 27#define IntRect_h 28 29#include "IntPoint.h" 30#include <wtf/Platform.h> 31#include <wtf/Vector.h> 32 33#if PLATFORM(CG) 34typedef struct CGRect CGRect; 35#endif 36 37#if PLATFORM(MAC) || (PLATFORM(CHROMIUM) && OS(DARWIN)) 38#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES 39typedef struct CGRect NSRect; 40#else 41typedef struct _NSRect NSRect; 42#endif 43#endif 44 45#if PLATFORM(WIN) 46typedef struct tagRECT RECT; 47#elif PLATFORM(QT) 48QT_BEGIN_NAMESPACE 49class QRect; 50QT_END_NAMESPACE 51#elif PLATFORM(GTK) 52typedef struct _GdkRectangle GdkRectangle; 53#elif PLATFORM(HAIKU) 54class BRect; 55#endif 56 57#if PLATFORM(WX) 58class wxRect; 59#endif 60 61#if PLATFORM(SKIA) 62struct SkRect; 63struct SkIRect; 64#endif 65 66namespace WebCore { 67 68class FloatRect; 69 70class IntRect { 71public: 72 IntRect() { } 73 IntRect(const IntPoint& location, const IntSize& size) 74 : m_location(location), m_size(size) { } 75 IntRect(int x, int y, int width, int height) 76 : m_location(IntPoint(x, y)), m_size(IntSize(width, height)) { } 77 78 explicit IntRect(const FloatRect& rect); // don't do this implicitly since it's lossy 79 80 IntPoint location() const { return m_location; } 81 IntSize size() const { return m_size; } 82 83 void setLocation(const IntPoint& location) { m_location = location; } 84 void setSize(const IntSize& size) { m_size = size; } 85 86 int x() const { return m_location.x(); } 87 int y() const { return m_location.y(); } 88 int width() const { return m_size.width(); } 89 int height() const { return m_size.height(); } 90 91 void setX(int x) { m_location.setX(x); } 92 void setY(int y) { m_location.setY(y); } 93 void setWidth(int width) { m_size.setWidth(width); } 94 void setHeight(int height) { m_size.setHeight(height); } 95 96 // Be careful with these functions. The point is considered to be to the right and below. These are not 97 // substitutes for right() and bottom(). 98 IntPoint topLeft() const { return m_location; } 99 IntPoint topRight() const { return IntPoint(right() - 1, y()); } 100 IntPoint bottomLeft() const { return IntPoint(x(), bottom() - 1); } 101 IntPoint bottomRight() const { return IntPoint(right() - 1, bottom() - 1); } 102 103 bool isEmpty() const { return m_size.isEmpty(); } 104 105 int right() const { return x() + width(); } 106 int bottom() const { return y() + height(); } 107 108 void move(const IntSize& s) { m_location += s; } 109 void move(int dx, int dy) { m_location.move(dx, dy); } 110 111 bool intersects(const IntRect&) const; 112 bool contains(const IntRect&) const; 113 114 // This checks to see if the rect contains x,y in the traditional sense. 115 // Equivalent to checking if the rect contains a 1x1 rect below and to the right of (px,py). 116 bool contains(int px, int py) const 117 { return px >= x() && px < right() && py >= y() && py < bottom(); } 118 bool contains(const IntPoint& point) const { return contains(point.x(), point.y()); } 119 120 void intersect(const IntRect&); 121 void unite(const IntRect&); 122 123 void inflateX(int dx) 124 { 125 m_location.setX(m_location.x() - dx); 126 m_size.setWidth(m_size.width() + dx + dx); 127 } 128 void inflateY(int dy) 129 { 130 m_location.setY(m_location.y() - dy); 131 m_size.setHeight(m_size.height() + dy + dy); 132 } 133 void inflate(int d) { inflateX(d); inflateY(d); } 134 void scale(float s); 135 136#if PLATFORM(WX) 137 IntRect(const wxRect&); 138 operator wxRect() const; 139#endif 140 141#if PLATFORM(WIN) 142 IntRect(const RECT&); 143 operator RECT() const; 144#elif PLATFORM(QT) 145 IntRect(const QRect&); 146 operator QRect() const; 147#elif PLATFORM(GTK) 148 IntRect(const GdkRectangle&); 149 operator GdkRectangle() const; 150#elif PLATFORM(HAIKU) 151 explicit IntRect(const BRect&); 152 operator BRect() const; 153#endif 154 155#if PLATFORM(CG) 156 operator CGRect() const; 157#endif 158 159#if PLATFORM(SKIA) 160 IntRect(const SkIRect&); 161 operator SkRect() const; 162 operator SkIRect() const; 163#endif 164 165#if (PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)) \ 166 || (PLATFORM(CHROMIUM) && OS(DARWIN)) 167 operator NSRect() const; 168#endif 169 170private: 171 IntPoint m_location; 172 IntSize m_size; 173}; 174 175inline IntRect intersection(const IntRect& a, const IntRect& b) 176{ 177 IntRect c = a; 178 c.intersect(b); 179 return c; 180} 181 182inline IntRect unionRect(const IntRect& a, const IntRect& b) 183{ 184 IntRect c = a; 185 c.unite(b); 186 return c; 187} 188 189IntRect unionRect(const Vector<IntRect>&); 190 191inline bool operator==(const IntRect& a, const IntRect& b) 192{ 193 return a.location() == b.location() && a.size() == b.size(); 194} 195 196inline bool operator!=(const IntRect& a, const IntRect& b) 197{ 198 return a.location() != b.location() || a.size() != b.size(); 199} 200 201#if PLATFORM(CG) 202IntRect enclosingIntRect(const CGRect&); 203#endif 204 205#if (PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)) \ 206 || (PLATFORM(CHROMIUM) && OS(DARWIN)) 207IntRect enclosingIntRect(const NSRect&); 208#endif 209 210} // namespace WebCore 211 212#endif // IntRect_h 213