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29 #include "CachedResource.h"
30 #include "CachedResourceClient.h"
31 #include "FontOrientation.h"
32 #include "FontRenderingMode.h"
33 #include "FontWidthVariant.h"
37 class CachedResourceLoader;
38 class FontPlatformData;
41 struct FontCustomPlatformData;
43 class CachedFont final : public CachedResource {
45 CachedFont(const ResourceRequest&);
46 virtual ~CachedFont();
48 void beginLoadIfNeeded(CachedResourceLoader* dl);
49 virtual bool stillNeedsLoad() const override { return !m_loadInitiated; }
51 bool ensureCustomFontData();
52 FontPlatformData platformDataFromCustomData(float size, bool bold, bool italic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth, FontRenderingMode = NormalRenderingMode);
55 bool ensureSVGFontData();
56 SVGFontElement* getSVGFontById(const String&) const;
60 virtual void checkNotify() override;
61 virtual bool mayTryReplaceEncodedData() const override;
63 virtual void load(CachedResourceLoader*, const ResourceLoaderOptions&) override;
65 virtual void didAddClient(CachedResourceClient*) override;
66 virtual void finishLoading(ResourceBuffer*) override;
68 virtual void allClientsRemoved() override;
70 std::unique_ptr<FontCustomPlatformData> m_fontData;
72 bool m_hasCreatedFontDataWrappingResource;
75 RefPtr<SVGDocument> m_externalSVGDocument;
78 friend class MemoryCache;
81 } // namespace WebCore
83 #endif // CachedFont_h