1 /* 2 * Copyright (C) 2007, 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 CachedFont_h 27 #define CachedFont_h 28 29 #include "CachedResource.h" 30 #include "FontRenderingMode.h" 31 #include <wtf/Vector.h> 32 33 #if ENABLE(SVG_FONTS) 34 #include "SVGElement.h" 35 #include "SVGDocument.h" 36 #endif 37 38 namespace WebCore { 39 40 class DocLoader; 41 class Cache; 42 class FontPlatformData; 43 class SVGFontElement; 44 45 struct FontCustomPlatformData; 46 47 class CachedFont : public CachedResource { 48 public: 49 CachedFont(const String& url); 50 virtual ~CachedFont(); 51 52 virtual void load(DocLoader* docLoader); 53 54 virtual void didAddClient(CachedResourceClient*); 55 virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived); 56 virtual void error(); 57 58 virtual void allClientsRemoved(); 59 schedule()60 virtual bool schedule() const { return true; } 61 62 void checkNotify(); 63 64 void beginLoadIfNeeded(DocLoader* dl); 65 66 bool ensureCustomFontData(); 67 FontPlatformData platformDataFromCustomData(float size, bool bold, bool italic, FontRenderingMode = NormalRenderingMode); 68 69 #if ENABLE(SVG_FONTS) isSVGFont()70 bool isSVGFont() const { return m_isSVGFont; } setSVGFont(bool isSVG)71 void setSVGFont(bool isSVG) { m_isSVGFont = isSVG; } 72 bool ensureSVGFontData(); 73 SVGFontElement* getSVGFontById(const String&) const; 74 #endif 75 76 private: 77 FontCustomPlatformData* m_fontData; 78 bool m_loadInitiated; 79 80 #if ENABLE(SVG_FONTS) 81 bool m_isSVGFont; 82 RefPtr<SVGDocument> m_externalSVGDocument; 83 #endif 84 85 friend class Cache; 86 }; 87 88 } 89 90 #endif 91