SkFontMgr_FCI Class Reference

Inheritance diagram for SkFontMgr_FCI:

Public Member Functions
	SkFontMgr_FCI (sk_sp< SkFontConfigInterface > fci)
Public Member Functions inherited from SkFontMgr
int	countFamilies () const
void	getFamilyName (int index, SkString *familyName) const
sk_sp< SkFontStyleSet >	createStyleSet (int index) const
sk_sp< SkFontStyleSet >	matchFamily (const char familyName[]) const
sk_sp< SkTypeface >	matchFamilyStyle (const char familyName[], const SkFontStyle &) const
sk_sp< SkTypeface >	matchFamilyStyleCharacter (const char familyName[], const SkFontStyle &, const char *bcp47[], int bcp47Count, SkUnichar character) const
sk_sp< SkTypeface >	makeFromData (sk_sp< SkData >, int ttcIndex=0) const
sk_sp< SkTypeface >	makeFromStream (std::unique_ptr< SkStreamAsset >, int ttcIndex=0) const
sk_sp< SkTypeface >	makeFromStream (std::unique_ptr< SkStreamAsset >, const SkFontArguments &) const
sk_sp< SkTypeface >	makeFromFile (const char path[], int ttcIndex=0) const
sk_sp< SkTypeface >	legacyMakeTypeface (const char familyName[], SkFontStyle style) const
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Protected Member Functions
int	onCountFamilies () const override
void	onGetFamilyName (int index, SkString *familyName) const override
sk_sp< SkFontStyleSet >	onCreateStyleSet (int index) const override
sk_sp< SkFontStyleSet >	onMatchFamily (const char familyName[]) const override
sk_sp< SkTypeface >	onMatchFamilyStyle (const char requestedFamilyName[], const SkFontStyle &requestedStyle) const override
sk_sp< SkTypeface >	onMatchFamilyStyleCharacter (const char familyName[], const SkFontStyle &, const char *bcp47[], int bcp47Count, SkUnichar character) const override
sk_sp< SkTypeface >	onMakeFromData (sk_sp< SkData > data, int ttcIndex) const override
sk_sp< SkTypeface >	onMakeFromStreamIndex (std::unique_ptr< SkStreamAsset > stream, int ttcIndex) const override
sk_sp< SkTypeface >	onMakeFromStreamArgs (std::unique_ptr< SkStreamAsset > stream, const SkFontArguments &args) const override
sk_sp< SkTypeface >	onMakeFromFile (const char path[], int ttcIndex) const override
sk_sp< SkTypeface >	onLegacyMakeTypeface (const char requestedFamilyName[], SkFontStyle requestedStyle) const override
virtual int	onCountFamilies () const =0
virtual void	onGetFamilyName (int index, SkString *familyName) const =0
virtual sk_sp< SkFontStyleSet >	onCreateStyleSet (int index) const =0
virtual sk_sp< SkFontStyleSet >	onMatchFamily (const char familyName[]) const =0
virtual sk_sp< SkTypeface >	onMatchFamilyStyle (const char familyName[], const SkFontStyle &) const =0
virtual sk_sp< SkTypeface >	onMatchFamilyStyleCharacter (const char familyName[], const SkFontStyle &, const char *bcp47[], int bcp47Count, SkUnichar character) const =0
virtual sk_sp< SkTypeface >	onMakeFromData (sk_sp< SkData >, int ttcIndex) const =0
virtual sk_sp< SkTypeface >	onMakeFromStreamIndex (std::unique_ptr< SkStreamAsset >, int ttcIndex) const =0
virtual sk_sp< SkTypeface >	onMakeFromStreamArgs (std::unique_ptr< SkStreamAsset >, const SkFontArguments &) const =0
virtual sk_sp< SkTypeface >	onMakeFromFile (const char path[], int ttcIndex) const =0
virtual sk_sp< SkTypeface >	onLegacyMakeTypeface (const char familyName[], SkFontStyle) const =0

Additional Inherited Members
Static Public Member Functions inherited from SkFontMgr
static sk_sp< SkFontMgr >	RefEmpty ()

Detailed Description

Definition at line 145 of file SkFontMgr_FontConfigInterface.cpp.

Constructor & Destructor Documentation

SkFontMgr_FCI()

SkFontMgr_FCI::SkFontMgr_FCI ( sk_sp< SkFontConfigInterface >  fci )

inline

Definition at line 157 of file SkFontMgr_FontConfigInterface.cpp.

        : fFCI(std::move(fci))
        , fCache(kMaxSize)
    {
        SkASSERT_RELEASE(fFCI);
    }

Member Function Documentation

onCountFamilies()

int SkFontMgr_FCI::onCountFamilies ( ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 165 of file SkFontMgr_FontConfigInterface.cpp.

                                         {
        SK_ABORT("Not implemented.");
    }

onCreateStyleSet()

sk_sp< SkFontStyleSet > SkFontMgr_FCI::onCreateStyleSet ( int  index ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 173 of file SkFontMgr_FontConfigInterface.cpp.

                                                                     {
        SK_ABORT("Not implemented.");
    }

onGetFamilyName()

void SkFontMgr_FCI::onGetFamilyName ( int  index, SkString *  familyName  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 169 of file SkFontMgr_FontConfigInterface.cpp.

                                                                         {
        SK_ABORT("Not implemented.");
    }

onLegacyMakeTypeface()

sk_sp< SkTypeface > SkFontMgr_FCI::onLegacyMakeTypeface ( const char  requestedFamilyName[], SkFontStyle  requestedStyle  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 250 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                      {
        return this->onMatchFamilyStyle(requestedFamilyName, requestedStyle);
    }

onMakeFromData()

sk_sp< SkTypeface > SkFontMgr_FCI::onMakeFromData ( sk_sp< SkData >  data, int  ttcIndex  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 222 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                      {
        return this->onMakeFromStreamIndex(SkMemoryStream::Make(std::move(data)), ttcIndex);
    }

onMakeFromFile()

sk_sp< SkTypeface > SkFontMgr_FCI::onMakeFromFile ( const char  path[], int  ttcIndex  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 245 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                     {
        std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(path);
        return stream ? this->makeFromStream(std::move(stream), ttcIndex) : nullptr;
    }

onMakeFromStreamArgs()

sk_sp< SkTypeface > SkFontMgr_FCI::onMakeFromStreamArgs ( std::unique_ptr< SkStreamAsset >  stream, const SkFontArguments &  args  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 232 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                       {
        const size_t length = stream->getLength();
        if (!length) {
            return nullptr;
        }
        if (length >= 1024 * 1024 * 1024) {
            return nullptr;  // don't accept too large fonts (>= 1GB) for safety.
        }
 
        return SkTypeface_FreeType::MakeFromStream(std::move(stream), args);
    }

onMakeFromStreamIndex()

sk_sp< SkTypeface > SkFontMgr_FCI::onMakeFromStreamIndex ( std::unique_ptr< SkStreamAsset >  stream, int  ttcIndex  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 226 of file SkFontMgr_FontConfigInterface.cpp.

                                                                         {
        return this->makeFromStream(std::move(stream),
                                    SkFontArguments().setCollectionIndex(ttcIndex));
    }

onMatchFamily()

sk_sp< SkFontStyleSet > SkFontMgr_FCI::onMatchFamily ( const char  familyName[] ) const

inlineoverrideprotectedvirtual

May return NULL if the name is not found.

Implements SkFontMgr.

Definition at line 177 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                {
        SK_ABORT("Not implemented.");
    }

onMatchFamilyStyle()

sk_sp< SkTypeface > SkFontMgr_FCI::onMatchFamilyStyle ( const char  requestedFamilyName[], const SkFontStyle &  requestedStyle  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 181 of file SkFontMgr_FontConfigInterface.cpp.

    {
        SkAutoMutexExclusive ama(fMutex);
 
        // Check if this request is already in the request cache.
        using Request = SkFontRequestCache::Request;
        std::unique_ptr<Request> request(Request::Create(requestedFamilyName, requestedStyle));
        sk_sp<SkTypeface> face = fCache.findAndRef(request.get());
        if (face) {
            return sk_sp<SkTypeface>(face);
        }
 
        SkFontConfigInterface::FontIdentity identity;
        SkString outFamilyName;
        SkFontStyle outStyle;
        if (!fFCI->matchFamilyName(requestedFamilyName, requestedStyle,
                                   &identity, &outFamilyName, &outStyle))
        {
            return nullptr;
        }
 
        // Check if a typeface with this FontIdentity is already in the FontIdentity cache.
        face = fTFCache.findByProcAndRef(find_by_FontIdentity, &identity);
        if (!face) {
            face.reset(SkTypeface_FCI::Create(fFCI, identity, std::move(outFamilyName), outStyle));
            // Add this FontIdentity to the FontIdentity cache.
            fTFCache.add(face);
        }
        // Add this request to the request cache.
        fCache.add(face, request.release());
 
        return face;
    }

onMatchFamilyStyleCharacter()

sk_sp< SkTypeface > SkFontMgr_FCI::onMatchFamilyStyleCharacter ( const char  familyName[], const SkFontStyle &  , const char *  bcp47[], int  bcp47Count, SkUnichar  character  ) const

inlineoverrideprotectedvirtual

Implements SkFontMgr.

Definition at line 216 of file SkFontMgr_FontConfigInterface.cpp.

                                                                                {
        SK_ABORT("Not implemented.");
    }

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The documentation for this class was generated from the following file:

• third_party/skia/src/ports/SkFontMgr_FontConfigInterface.cpp