KHtml

FloatSize.h
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3  * Copyright (C) 2005 Nokia. All rights reserved.
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26 
27 #ifndef FloatSize_h
28 #define FloatSize_h
29 
30 #include <wtf/Platform.h>
31 
32 #if PLATFORM(CG)
33 typedef struct CGSize CGSize;
34 #endif
35 
36 #if PLATFORM(MAC)
37 #ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
38 typedef struct CGSize NSSize;
39 #else
40 typedef struct _NSSize NSSize;
41 #endif
42 #endif
43 
44 namespace WebCore
45 {
46 
47 class IntSize;
48 
49 class FloatSize
50 {
51 public:
52  FloatSize() : m_width(0), m_height(0) { }
53  FloatSize(float width, float height) : m_width(width), m_height(height) { }
54  FloatSize(const IntSize &);
55 
56  static FloatSize narrowPrecision(double width, double height);
57 
58  float width() const
59  {
60  return m_width;
61  }
62  float height() const
63  {
64  return m_height;
65  }
66 
67  void setWidth(float width)
68  {
69  m_width = width;
70  }
71  void setHeight(float height)
72  {
73  m_height = height;
74  }
75 
76  bool isEmpty() const
77  {
78  return m_width <= 0 || m_height <= 0;
79  }
80 
81  FloatSize expandedTo(const FloatSize &other) const
82  {
83  return FloatSize(m_width > other.m_width ? m_width : other.m_width,
84  m_height > other.m_height ? m_height : other.m_height);
85  }
86 
87 #if PLATFORM(CG)
88  explicit FloatSize(const CGSize &); // don't do this implicitly since it's lossy
89  operator CGSize() const;
90 #endif
91 
92 #if PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
93  explicit FloatSize(const NSSize &); // don't do this implicitly since it's lossy
94  operator NSSize() const;
95 #endif
96 
97 private:
98  float m_width, m_height;
99 };
100 
101 inline FloatSize &operator+=(FloatSize &a, const FloatSize &b)
102 {
103  a.setWidth(a.width() + b.width());
104  a.setHeight(a.height() + b.height());
105  return a;
106 }
107 
108 inline FloatSize &operator-=(FloatSize &a, const FloatSize &b)
109 {
110  a.setWidth(a.width() - b.width());
111  a.setHeight(a.height() - b.height());
112  return a;
113 }
114 
115 inline FloatSize operator+(const FloatSize &a, const FloatSize &b)
116 {
117  return FloatSize(a.width() + b.width(), a.height() + b.height());
118 }
119 
120 inline FloatSize operator-(const FloatSize &a, const FloatSize &b)
121 {
122  return FloatSize(a.width() - b.width(), a.height() - b.height());
123 }
124 
125 inline FloatSize operator-(const FloatSize &size)
126 {
127  return FloatSize(-size.width(), -size.height());
128 }
129 
130 inline bool operator==(const FloatSize &a, const FloatSize &b)
131 {
132  return a.width() == b.width() && a.height() == b.height();
133 }
134 
135 inline bool operator!=(const FloatSize &a, const FloatSize &b)
136 {
137  return a.width() != b.width() || a.height() != b.height();
138 }
139 
140 } // namespace WebCore
141 
142 #endif // FloatSize_h
bool operator==(const Qt3DRender::QGraphicsApiFilter &reference, const Qt3DRender::QGraphicsApiFilter &sample)
QCA_EXPORT const SecureArray operator+(const SecureArray &a, const SecureArray &b)
bool operator!=(const Qt3DRender::QGraphicsApiFilter &reference, const Qt3DRender::QGraphicsApiFilter &sample)
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