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Diffstat (limited to 'WebCore/platform/graphics/IntPointHash.h')
-rw-r--r-- | WebCore/platform/graphics/IntPointHash.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/WebCore/platform/graphics/IntPointHash.h b/WebCore/platform/graphics/IntPointHash.h deleted file mode 100644 index bf25b14..0000000 --- a/WebCore/platform/graphics/IntPointHash.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) - - 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. - */ - -#ifndef IntPointHash_h -#define IntPointHash_h - -#include "IntPoint.h" -#include <wtf/HashFunctions.h> -#include <wtf/HashTraits.h> - -namespace WTF { - -// The empty value is (0, INT_MIN), the deleted value is (INT_MIN, 0) -struct IntPointHash { - static unsigned hash(const WebCore::IntPoint& p) { return WTF::intHash(static_cast<uint64_t>(p.x()) << 32 | p.y()); } - static bool equal(const WebCore::IntPoint& a, const WebCore::IntPoint& b) { return a == b; } - static const bool safeToCompareToEmptyOrDeleted = true; -}; -template<> struct HashTraits<WebCore::IntPoint> : GenericHashTraits<WebCore::IntPoint> { - static const bool needsDestruction = false; - static WebCore::IntPoint emptyValue() { return WebCore::IntPoint(0, std::numeric_limits<int>::min()); } - - static void constructDeletedValue(WebCore::IntPoint& slot) { slot = WebCore::IntPoint(std::numeric_limits<int>::min(), 0); } - static bool isDeletedValue(const WebCore::IntPoint& slot) { return slot == WebCore::IntPoint(std::numeric_limits<int>::min(), 0); } -}; -template<> struct DefaultHash<WebCore::IntPoint> { - typedef IntPointHash Hash; -}; - -} - -#endif |