/* | |
* Copyright (C) 2008, 2009 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 SegmentedFontData_h | |
#define SegmentedFontData_h | |
#include "FontData.h" | |
#include <wtf/Vector.h> | |
namespace WebCore { | |
class SimpleFontData; | |
struct FontDataRange { | |
FontDataRange(UChar32 from, UChar32 to, const SimpleFontData* fontData) | |
: m_from(from) | |
, m_to(to) | |
, m_fontData(fontData) | |
{ | |
} | |
UChar32 from() const { return m_from; } | |
UChar32 to() const { return m_to; } | |
const SimpleFontData* fontData() const { return m_fontData; } | |
private: | |
UChar32 m_from; | |
UChar32 m_to; | |
const SimpleFontData* m_fontData; | |
}; | |
class SegmentedFontData : public FontData { | |
public: | |
virtual ~SegmentedFontData(); | |
void appendRange(const FontDataRange& range) { m_ranges.append(range); } | |
unsigned numRanges() const { return m_ranges.size(); } | |
const FontDataRange& rangeAt(unsigned i) const { return m_ranges[i]; } | |
#ifndef NDEBUG | |
virtual String description() const; | |
#endif | |
private: | |
virtual const SimpleFontData* fontDataForCharacter(UChar32) const; | |
virtual bool containsCharacters(const UChar*, int length) const; | |
virtual bool isCustomFont() const; | |
virtual bool isLoading() const; | |
virtual bool isSegmented() const; | |
bool containsCharacter(UChar32) const; | |
Vector<FontDataRange, 1> m_ranges; | |
}; | |
} // namespace WebCore | |
#endif // SegmentedFontData_h |