1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef FontData_h 27 #define FontData_h 28 29 #include "wtf/FastAllocBase.h" 30 #include "wtf/Forward.h" 31 #include "wtf/Noncopyable.h" 32 #include "wtf/PassRefPtr.h" 33 #include "wtf/RefCounted.h" 34 #include "wtf/unicode/Unicode.h" 35 36 namespace WebCore { 37 38 class SimpleFontData; 39 40 class FontData : public RefCounted<FontData> { 41 WTF_MAKE_NONCOPYABLE(FontData); WTF_MAKE_FAST_ALLOCATED; 42 public: 43 FontData() 44 : m_maxGlyphPageTreeLevel(0) 45 { 46 } 47 48 virtual ~FontData(); 49 50 virtual const SimpleFontData* fontDataForCharacter(UChar32) const = 0; 51 virtual bool containsCharacters(const UChar*, int length) const = 0; 52 virtual bool isCustomFont() const = 0; 53 virtual bool isLoading() const = 0; 54 virtual bool isSegmented() const = 0; 55 56 void setMaxGlyphPageTreeLevel(unsigned level) const { m_maxGlyphPageTreeLevel = level; } 57 unsigned maxGlyphPageTreeLevel() const { return m_maxGlyphPageTreeLevel; } 58 59 #ifndef NDEBUG 60 virtual String description() const = 0; 61 #endif 62 63 private: 64 mutable unsigned m_maxGlyphPageTreeLevel; 65 }; 66 67 } // namespace WebCore 68 69 #endif // FontData_h 70
