/* | |
* Copyright (C) 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. 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, 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 FontData_h | |
#define FontData_h | |
#include <wtf/Noncopyable.h> | |
#include <wtf/unicode/Unicode.h> | |
namespace WebCore { | |
class SimpleFontData; | |
class String; | |
class FontData : public Noncopyable { | |
public: | |
FontData() | |
: m_maxGlyphPageTreeLevel(0) | |
{ | |
} | |
virtual ~FontData(); | |
virtual const SimpleFontData* fontDataForCharacter(UChar32) const = 0; | |
virtual bool containsCharacters(const UChar*, int length) const = 0; | |
virtual bool isCustomFont() const = 0; | |
virtual bool isLoading() const = 0; | |
virtual bool isSegmented() const = 0; | |
void setMaxGlyphPageTreeLevel(unsigned level) const { m_maxGlyphPageTreeLevel = level; } | |
unsigned maxGlyphPageTreeLevel() const { return m_maxGlyphPageTreeLevel; } | |
#ifndef NDEBUG | |
virtual String description() const = 0; | |
#endif | |
private: | |
mutable unsigned m_maxGlyphPageTreeLevel; | |
}; | |
} // namespace WebCore | |
#endif // FontData_h |