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/*
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "IntSize.h"
#include <wtf/HashTraits.h>
namespace WTF {
template<> struct IntHash<WebCore::IntSize> {
static unsigned hash(const WebCore::IntSize& key) { return pairIntHash(key.width(), key.height()); }
static bool equal(const WebCore::IntSize& a, const WebCore::IntSize& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = true;
};
template<> struct DefaultHash<WebCore::IntSize> : IntHash<WebCore::IntSize> { };
template<> struct HashTraits<WebCore::IntSize> : GenericHashTraits<WebCore::IntSize> {
static const bool emptyValueIsZero = true;
static void constructDeletedValue(WebCore::IntSize& slot) { new (NotNull, &slot) WebCore::IntSize(-1, -1); }
static bool isDeletedValue(const WebCore::IntSize& value) { return value.width() == -1 && value.height() == -1; }
};
} // namespace WTF
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