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/*
* Copyright (C) 2006, 2007, 2008, 2010 Apple Inc.
*
* 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 RefCountedHFONT_h
#define RefCountedHFONT_h
#include "StringImpl.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class RefCountedHFONT : public RefCounted<RefCountedHFONT> {
public:
static PassRefPtr<RefCountedHFONT> create(HFONT hfont) { return adoptRef(new RefCountedHFONT(hfont)); }
static PassRefPtr<RefCountedHFONT> createDeleted() { return adoptRef(new RefCountedHFONT(reinterpret_cast<HFONT>(-1))); }
~RefCountedHFONT()
{
if (m_hfont != reinterpret_cast<HFONT>(-1))
DeleteObject(m_hfont);
}
HFONT hfont() const { return m_hfont; }
unsigned hash() const
{
return StringImpl::computeHash(reinterpret_cast<const UChar*>(&m_hfont), sizeof(HFONT) / sizeof(UChar));
}
private:
RefCountedHFONT(HFONT hfont)
: m_hfont(hfont)
{
}
HFONT m_hfont;
};
}
#endif
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