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/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FloatSizeHash_h
#define FloatSizeHash_h
#include "FloatSize.h"
#include <wtf/HashSet.h>
namespace WTF {
template<> struct FloatHash<WebCore::FloatSize> {
static unsigned hash(const WebCore::FloatSize& key) { return pairIntHash(DefaultHash<float>::hash(key.width()), DefaultHash<float>::hash(key.height())); }
static bool equal(const WebCore::FloatSize& a, const WebCore::FloatSize& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = true;
};
template<> struct DefaultHash<WebCore::FloatSize> : FloatHash<WebCore::FloatSize> { };
template<> struct HashTraits<WebCore::FloatSize> : GenericHashTraits<WebCore::FloatSize> {
static const bool emptyValueIsZero = true;
static void constructDeletedValue(WebCore::FloatSize& slot) { new (NotNull, &slot) WebCore::FloatSize(-1, -1); }
static bool isDeletedValue(const WebCore::FloatSize& value) { return value.width() == -1 && value.height() == -1; }
};
} // namespace WTF
#endif
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