/*
* Copyright (c) 2012 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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,
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* 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 HarfBuzzFace_h
#define HarfBuzzFace_h
#include <hb.h>
#include "wtf/HashMap.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class FontPlatformData;
class HarfBuzzFace : public RefCounted<HarfBuzzFace> {
public:
static const hb_tag_t vertTag;
static const hb_tag_t vrt2Tag;
static PassRefPtr<HarfBuzzFace> create(FontPlatformData* platformData, uint64_t uniqueID)
{
return adoptRef(new HarfBuzzFace(platformData, uniqueID));
}
~HarfBuzzFace();
hb_font_t* createFont();
void setScriptForVerticalGlyphSubstitution(hb_buffer_t*);
private:
HarfBuzzFace(FontPlatformData*, uint64_t);
hb_face_t* createFace();
FontPlatformData* m_platformData;
uint64_t m_uniqueID;
hb_face_t* m_face;
WTF::HashMap<uint32_t, uint16_t>* m_glyphCacheForFaceCacheEntry;
hb_script_t m_scriptForVerticalText;
};
}
#endif // HarfBuzzFace_h