#include <SkFontMgr_custom.h>

Inheritance diagram for SkFontMgr_Custom:

Classes
class	SystemFontLoader

Public Types
typedef skia_private::TArray< sk_sp< SkFontStyleSet_Custom > >	Families

Public Member Functions
	SkFontMgr_Custom (const SystemFontLoader &loader)

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 familyName[], const SkFontStyle &fontStyle) 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 >, int ttcIndex) const override

sk_sp< SkTypeface >	onMakeFromStreamArgs (std::unique_ptr< SkStreamAsset >, const SkFontArguments &) const override

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

sk_sp< SkTypeface >	onLegacyMakeTypeface (const char familyName[], SkFontStyle style) 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

SkFontMgr_Custom

This class is essentially a collection of SkFontStyleSet_Custom, one SkFontStyleSet_Custom for each family. This class may be modified to load fonts from any source by changing the initialization.

Definition at line 110 of file SkFontMgr_custom.h.

Member Typedef Documentation

◆ Families

typedef skia_private::TArray<sk_sp<SkFontStyleSet_Custom> > SkFontMgr_Custom::Families

Definition at line 112 of file SkFontMgr_custom.h.

Constructor & Destructor Documentation

◆ SkFontMgr_Custom()

SkFontMgr_Custom::SkFontMgr_Custom ( const SystemFontLoader & loader )

explicit

Definition at line 128 of file SkFontMgr_custom.cpp.

        : fDefaultFamily(nullptr)
        , fScanner(std::make_unique<SkFontScanner_FreeType>()) {
 
    loader.loadSystemFonts(fScanner.get(), &fFamilies);
 
    // Try to pick a default font.
    static const char* defaultNames[] = {
        "Arial", "Verdana", "Times New Roman", "Droid Sans", "DejaVu Serif", nullptr
    };
    for (size_t i = 0; i < std::size(defaultNames); ++i) {
        sk_sp<SkFontStyleSet> set(this->onMatchFamily(defaultNames[i]));
        if (nullptr == set) {
            continue;
        }
 
        sk_sp<SkTypeface> tf(set->matchStyle(SkFontStyle(SkFontStyle::kNormal_Weight,
                                                         SkFontStyle::kNormal_Width,
                                                         SkFontStyle::kUpright_Slant)));
        if (nullptr == tf) {
            continue;
        }
 
        fDefaultFamily = set;
        break;
    }
    if (nullptr == fDefaultFamily) {
        fDefaultFamily = fFamilies[0];
    }
}

Member Function Documentation

◆ onCountFamilies()

int SkFontMgr_Custom::onCountFamilies ( ) const

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 159 of file SkFontMgr_custom.cpp.

                                            {
    return fFamilies.size();
}

◆ onCreateStyleSet()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 168 of file SkFontMgr_custom.cpp.

                                                                        {
    SkASSERT(index < fFamilies.size());
    return fFamilies[index];
}

◆ onGetFamilyName()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 163 of file SkFontMgr_custom.cpp.

                                                                            {
    SkASSERT(index < fFamilies.size());
    familyName->set(fFamilies[index]->getFamilyName());
}

◆ onLegacyMakeTypeface()

sk_sp< SkTypeface > SkFontMgr_Custom::onLegacyMakeTypeface	(	const char	familyName[],
		SkFontStyle	style
	)		const

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 216 of file SkFontMgr_custom.cpp.

                                                                                  {
    sk_sp<SkTypeface> tf;
 
    if (familyName) {
        tf = this->onMatchFamilyStyle(familyName, style);
    }
 
    if (!tf) {
        tf = fDefaultFamily->matchStyle(style);
    }
 
    return tf;
}

◆ onMakeFromData()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 197 of file SkFontMgr_custom.cpp.

                                                                                         {
    return this->makeFromStream(std::make_unique<SkMemoryStream>(std::move(data)), ttcIndex);
}

◆ onMakeFromFile()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 211 of file SkFontMgr_custom.cpp.

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

◆ onMakeFromStreamArgs()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 206 of file SkFontMgr_custom.cpp.

                                                                                            {
    return SkTypeface_FreeType::MakeFromStream(std::move(stream), args);
}

◆ onMakeFromStreamIndex()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 201 of file SkFontMgr_custom.cpp.

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

◆ onMatchFamily()

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

overrideprotectedvirtual

May return NULL if the name is not found.

Implements SkFontMgr.

Definition at line 173 of file SkFontMgr_custom.cpp.

                                                                                   {
    for (int i = 0; i < fFamilies.size(); ++i) {
        if (fFamilies[i]->getFamilyName().equals(familyName)) {
            return fFamilies[i];
        }
    }
    return nullptr;
}

◆ onMatchFamilyStyle()

sk_sp< SkTypeface > SkFontMgr_Custom::onMatchFamilyStyle	(	const char	familyName[],
		const SkFontStyle &	fontStyle
	)		const

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 182 of file SkFontMgr_custom.cpp.

{
    sk_sp<SkFontStyleSet> sset(this->matchFamily(familyName));
    return sset->matchStyle(fontStyle);
}

◆ onMatchFamilyStyleCharacter()

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

overrideprotectedvirtual

Implements SkFontMgr.

Definition at line 189 of file SkFontMgr_custom.cpp.

{
    return nullptr;
}

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

third_party/skia/src/ports/SkFontMgr_custom.h
third_party/skia/src/ports/SkFontMgr_custom.cpp

Classes

Public Types

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Families

Constructor & Destructor Documentation

◆ SkFontMgr_Custom()

Member Function Documentation

◆ onCountFamilies()

◆ onCreateStyleSet()

◆ onGetFamilyName()

◆ onLegacyMakeTypeface()

◆ onMakeFromData()

◆ onMakeFromFile()

◆ onMakeFromStreamArgs()

◆ onMakeFromStreamIndex()

◆ onMatchFamily()

◆ onMatchFamilyStyle()

◆ onMatchFamilyStyleCharacter()