2 * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #if USE(CG) || USE(SKIA_ON_MAC_CHROMIUM)
30 typedef struct CGSize CGSize;
33 #if PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))
34 #ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
35 typedef struct CGSize NSSize;
37 typedef struct _NSSize NSSize;
42 typedef struct tagSIZE SIZE;
48 #elif PLATFORM(BLACKBERRY)
49 namespace BlackBerry {
64 IntSize() : m_width(0), m_height(0) { }
65 IntSize(int width, int height) : m_width(width), m_height(height) { }
67 int width() const { return m_width; }
68 int height() const { return m_height; }
70 void setWidth(int width) { m_width = width; }
71 void setHeight(int height) { m_height = height; }
73 bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
74 bool isZero() const { return !m_width && !m_height; }
76 float aspectRatio() const { return static_cast<float>(m_width) / static_cast<float>(m_height); }
78 void expand(int width, int height)
84 void scale(float widthScale, float heightScale)
86 m_width = static_cast<int>(static_cast<float>(m_width) * widthScale);
87 m_height = static_cast<int>(static_cast<float>(m_height) * heightScale);
90 void scale(float scale)
92 this->scale(scale, scale);
95 IntSize expandedTo(const IntSize& other) const
97 return IntSize(m_width > other.m_width ? m_width : other.m_width,
98 m_height > other.m_height ? m_height : other.m_height);
101 IntSize shrunkTo(const IntSize& other) const
103 return IntSize(m_width < other.m_width ? m_width : other.m_width,
104 m_height < other.m_height ? m_height : other.m_height);
107 void clampNegativeToZero()
109 *this = expandedTo(IntSize());
112 void clampToMinimumSize(const IntSize& minimumSize)
114 if (m_width < minimumSize.width())
115 m_width = minimumSize.width();
116 if (m_height < minimumSize.height())
117 m_height = minimumSize.height();
122 return m_width * m_height;
125 int diagonalLengthSquared() const
127 return m_width * m_width + m_height * m_height;
130 IntSize transposedSize() const
132 return IntSize(m_height, m_width);
135 #if USE(CG) || USE(SKIA_ON_MAC_CHROMIUM)
136 explicit IntSize(const CGSize&); // don't do this implicitly since it's lossy
137 operator CGSize() const;
140 #if (PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
141 explicit IntSize(const NSSize &); // don't do this implicitly since it's lossy
142 operator NSSize() const;
146 IntSize(const SIZE&);
147 operator SIZE() const;
151 IntSize(const QSize&);
152 operator QSize() const;
156 IntSize(const wxSize&);
157 operator wxSize() const;
160 #if PLATFORM(BLACKBERRY)
161 IntSize(const BlackBerry::Platform::IntSize&);
162 operator BlackBerry::Platform::IntSize() const;
166 int m_width, m_height;
169 inline IntSize& operator+=(IntSize& a, const IntSize& b)
171 a.setWidth(a.width() + b.width());
172 a.setHeight(a.height() + b.height());
176 inline IntSize& operator-=(IntSize& a, const IntSize& b)
178 a.setWidth(a.width() - b.width());
179 a.setHeight(a.height() - b.height());
183 inline IntSize operator+(const IntSize& a, const IntSize& b)
185 return IntSize(a.width() + b.width(), a.height() + b.height());
188 inline IntSize operator-(const IntSize& a, const IntSize& b)
190 return IntSize(a.width() - b.width(), a.height() - b.height());
193 inline IntSize operator-(const IntSize& size)
195 return IntSize(-size.width(), -size.height());
198 inline bool operator==(const IntSize& a, const IntSize& b)
200 return a.width() == b.width() && a.height() == b.height();
203 inline bool operator!=(const IntSize& a, const IntSize& b)
205 return a.width() != b.width() || a.height() != b.height();
208 } // namespace WebCore