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1 /*
2  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public License
19  * along with this library; see the file COPYING.LIB.  If not, write to
20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21  * Boston, MA 02110-1301, USA.
22  *
23  */
24 
25 #ifndef CollapsedBorderValue_h
26 #define CollapsedBorderValue_h
27 
28 #include "BorderValue.h"
29 
30 namespace WebCore {
31 
32 struct CollapsedBorderValue {
CollapsedBorderValueCollapsedBorderValue33     CollapsedBorderValue()
34         : border(0)
35         , precedence(BOFF)
36     {
37     }
38 
CollapsedBorderValueCollapsedBorderValue39     CollapsedBorderValue(const BorderValue* b, EBorderPrecedence p)
40         : border(b)
41         , precedence(p)
42     {
43     }
44 
widthCollapsedBorderValue45     int width() const { return border && border->nonZero() ? border->width : 0; }
styleCollapsedBorderValue46     EBorderStyle style() const { return border ? border->style() : BHIDDEN; }
existsCollapsedBorderValue47     bool exists() const { return border; }
colorCollapsedBorderValue48     Color color() const { return border ? border->color : Color(); }
isTransparentCollapsedBorderValue49     bool isTransparent() const { return border ? border->isTransparent() : true; }
50 
51     bool operator==(const CollapsedBorderValue& o) const
52     {
53         if (!border)
54             return !o.border;
55         if (!o.border)
56             return false;
57         return *border == *o.border && precedence == o.precedence;
58     }
59 
60     const BorderValue* border;
61     EBorderPrecedence precedence;
62 };
63 
64 } // namespace WebCore
65 
66 #endif // CollapsedBorderValue_h
67