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1 /*
2  * Copyright (C) 2010 Google 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 are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef WebFloatRect_h
32 #define WebFloatRect_h
33 
34 #include "WebCommon.h"
35 
36 #if INSIDE_BLINK
37 #include "platform/geometry/FloatRect.h"
38 #else
39 #include <algorithm>
40 #include <cmath>
41 #include <ui/gfx/rect_f.h>
42 #endif
43 
44 namespace blink {
45 
46 struct WebFloatRect {
47     float x;
48     float y;
49     float width;
50     float height;
51 
isEmptyWebFloatRect52     bool isEmpty() const { return width <= 0 || height <= 0; }
53 
WebFloatRectWebFloatRect54     WebFloatRect()
55         : x(0)
56         , y(0)
57         , width(0)
58         , height(0)
59     {
60     }
61 
WebFloatRectWebFloatRect62     WebFloatRect(float x, float y, float width, float height)
63         : x(x)
64         , y(y)
65         , width(width)
66         , height(height)
67     {
68     }
69 
70 #if INSIDE_BLINK
WebFloatRectWebFloatRect71     WebFloatRect(const WebCore::FloatRect& r)
72         : x(r.x())
73         , y(r.y())
74         , width(r.width())
75         , height(r.height())
76     {
77     }
78 
79     WebFloatRect& operator=(const WebCore::FloatRect& r)
80     {
81         x = r.x();
82         y = r.y();
83         width = r.width();
84         height = r.height();
85         return *this;
86     }
87 
FloatRectWebFloatRect88     operator WebCore::FloatRect() const
89     {
90         return WebCore::FloatRect(x, y, width, height);
91     }
92 #else
WebFloatRectWebFloatRect93     WebFloatRect(const gfx::RectF& r)
94         : x(r.x())
95         , y(r.y())
96         , width(r.width())
97         , height(r.height())
98     {
99     }
100 
101     WebFloatRect& operator=(const gfx::RectF& r)
102     {
103         x = r.x();
104         y = r.y();
105         width = r.width();
106         height = r.height();
107         return *this;
108     }
109 
RectFWebFloatRect110     operator gfx::RectF() const
111     {
112         return gfx::RectF(x, y, std::max(0.0f, width), std::max(0.0f, height));
113     }
114 #endif
115 };
116 
117 inline bool operator==(const WebFloatRect& a, const WebFloatRect& b)
118 {
119     return a.x == b.x && a.y == b.y && a.width == b.width && a.height == b.height;
120 }
121 
122 inline bool operator!=(const WebFloatRect& a, const WebFloatRect& b)
123 {
124     return !(a == b);
125 }
126 
127 } // namespace blink
128 
129 #endif
130