1/*
2 Copyright (C) 2006-2017 Apple Inc. All rights reserved.
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18*/
19
20#pragma once
21
22#include "Length.h"
23
24namespace WebCore {
25
26struct LengthSize {
27 Length width;
28 Length height;
29
30 bool isEmpty() const { return width.isZero() || height.isZero(); }
31};
32
33ALWAYS_INLINE bool operator==(const LengthSize& a, const LengthSize& b)
34{
35 return a.width == b.width && a.height == b.height;
36}
37
38inline LengthSize blend(const LengthSize& from, const LengthSize& to, double progress)
39{
40 return { blend(from.width, to.width, progress), blend(from.height, to.height, progress) };
41}
42
43WTF::TextStream& operator<<(WTF::TextStream&, const LengthSize&);
44
45} // namespace WebCore
46