69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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// Copyright 2019 Google LLC.
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#ifndef FontCollection_DEFINED
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#define FontCollection_DEFINED
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#include <memory>
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#include <set>
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#include "modules/skparagraph/include/TextStyle.h"
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#include "include/core/SkFontMgr.h"
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#include "include/core/SkRefCnt.h"
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#include "include/private/SkTHash.h"
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namespace skia {
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namespace textlayout {
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class FontCollection : public SkRefCnt {
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public:
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FontCollection();
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~FontCollection();
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size_t getFontManagersCount() const;
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void setAssetFontManager(sk_sp<SkFontMgr> fontManager);
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void setDynamicFontManager(sk_sp<SkFontMgr> fontManager);
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void setTestFontManager(sk_sp<SkFontMgr> fontManager);
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void setDefaultFontManager(sk_sp<SkFontMgr> fontManager, const char defaultFamilyName[]);
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sk_sp<SkFontMgr> geFallbackManager() const { return fDefaultFontManager; }
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sk_sp<SkTypeface> matchTypeface(const char familyName[], SkFontStyle fontStyle);
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sk_sp<SkTypeface> matchDefaultTypeface(SkFontStyle fontStyle);
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sk_sp<SkTypeface> defaultFallback(SkUnichar unicode, SkFontStyle fontStyle);
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void disableFontFallback();
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bool fontFallbackEnabled() { return fEnableFontFallback; }
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private:
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std::vector<sk_sp<SkFontMgr>> getFontManagerOrder() const;
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struct FamilyKey {
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FamilyKey(const char family[], const char loc[], SkFontStyle style)
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: fFontFamily(family), fLocale(loc), fFontStyle(style) {}
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FamilyKey() {}
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SkString fFontFamily;
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SkString fLocale;
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SkFontStyle fFontStyle;
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bool operator==(const FamilyKey& other) const;
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struct Hasher {
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size_t operator()(const FamilyKey& key) const;
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};
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};
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bool fEnableFontFallback;
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SkTHashMap<FamilyKey, sk_sp<SkTypeface>, FamilyKey::Hasher> fTypefaces;
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sk_sp<SkFontMgr> fDefaultFontManager;
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sk_sp<SkFontMgr> fAssetFontManager;
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sk_sp<SkFontMgr> fDynamicFontManager;
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sk_sp<SkFontMgr> fTestFontManager;
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SkString fDefaultFamilyName;
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};
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} // namespace textlayout
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} // namespace skia
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#endif // FontCollection_DEFINED
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