2 * Copyright (C) 2008 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <wtf/FastAllocBase.h>
30 #include <wtf/Forward.h>
31 #include <wtf/Noncopyable.h>
32 #include <wtf/unicode/Unicode.h>
39 WTF_MAKE_NONCOPYABLE(FontData); WTF_MAKE_FAST_ALLOCATED;
42 : m_maxGlyphPageTreeLevel(0)
48 virtual const SimpleFontData* fontDataForCharacter(UChar32) const = 0;
49 virtual bool containsCharacters(const UChar*, int length) const = 0;
50 virtual bool isCustomFont() const = 0;
51 virtual bool isLoading() const = 0;
52 virtual bool isSegmented() const = 0;
54 void setMaxGlyphPageTreeLevel(unsigned level) const { m_maxGlyphPageTreeLevel = level; }
55 unsigned maxGlyphPageTreeLevel() const { return m_maxGlyphPageTreeLevel; }
58 virtual String description() const = 0;
62 mutable unsigned m_maxGlyphPageTreeLevel;
65 } // namespace WebCore