txt::TypefaceFontAssetProvider Class Reference

#include <typeface_font_asset_provider.h>

Inheritance diagram for txt::TypefaceFontAssetProvider:

Public Member Functions
	TypefaceFontAssetProvider ()
	~TypefaceFontAssetProvider () override
void	RegisterTypeface (sk_sp< SkTypeface > typeface)
void	RegisterTypeface (sk_sp< SkTypeface > typeface, std::string family_name_alias)
size_t	GetFamilyCount () const override
std::string	GetFamilyName (int index) const override
sk_sp< SkFontStyleSet >	MatchFamily (const std::string &family_name) override
Public Member Functions inherited from txt::FontAssetProvider
virtual	~FontAssetProvider ()=default
virtual size_t	GetFamilyCount () const =0
virtual std::string	GetFamilyName (int index) const =0
virtual sk_sp< SkFontStyleSet >	MatchFamily (const std::string &family_name)=0

Additional Inherited Members
Static Protected Member Functions inherited from txt::FontAssetProvider
static std::string	CanonicalFamilyName (std::string family_name)

Detailed Description

Definition at line 56 of file typeface_font_asset_provider.h.

Constructor & Destructor Documentation

TypefaceFontAssetProvider()

txt::TypefaceFontAssetProvider::TypefaceFontAssetProvider ( )

default

~TypefaceFontAssetProvider()

txt::TypefaceFontAssetProvider::~TypefaceFontAssetProvider ( )

overridedefault

Member Function Documentation

GetFamilyCount()

size_t txt::TypefaceFontAssetProvider::GetFamilyCount ( ) const

overridevirtual

Implements txt::FontAssetProvider.

Definition at line 30 of file typeface_font_asset_provider.cc.

                                                       {
  return family_names_.size();
}

GetFamilyName()

std::string txt::TypefaceFontAssetProvider::GetFamilyName ( int  index ) const

overridevirtual

Implements txt::FontAssetProvider.

Definition at line 35 of file typeface_font_asset_provider.cc.

                                                                  {
  return family_names_[index];
}

MatchFamily()

sk_sp< SkFontStyleSet > txt::TypefaceFontAssetProvider::MatchFamily ( const std::string &  family_name )

overridevirtual

Implements txt::FontAssetProvider.

Definition at line 40 of file typeface_font_asset_provider.cc.

                                  {
  auto found = registered_families_.find(CanonicalFamilyName(family_name));
  if (found == registered_families_.end()) {
    return nullptr;
  }
  return found->second;
}

RegisterTypeface() [1/2]

void txt::TypefaceFontAssetProvider::RegisterTypeface

(

sk_sp< SkTypeface >

typeface

)

Definition at line 49 of file typeface_font_asset_provider.cc.

                                                                           {
  if (typeface == nullptr) {
    return;
  }
 
  SkString sk_family_name;
  typeface->getFamilyName(&sk_family_name);
 
  std::string family_name(sk_family_name.c_str(), sk_family_name.size());
  RegisterTypeface(std::move(typeface), std::move(family_name));
}

RegisterTypeface() [2/2]

void txt::TypefaceFontAssetProvider::RegisterTypeface	(	sk_sp< SkTypeface >	typeface,
		std::string	family_name_alias
	)

Definition at line 61 of file typeface_font_asset_provider.cc.

                                 {
  if (family_name_alias.empty()) {
    return;
  }
 
  std::string canonical_name = CanonicalFamilyName(family_name_alias);
  auto family_it = registered_families_.find(canonical_name);
  if (family_it == registered_families_.end()) {
    family_names_.push_back(family_name_alias);
    auto value =
        std::make_pair(canonical_name, sk_make_sp<TypefaceFontStyleSet>());
    family_it = registered_families_.emplace(value).first;
  }
  family_it->second->registerTypeface(std::move(typeface));
}

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

• third_party/txt/src/txt/typeface_font_asset_provider.h
• third_party/txt/src/txt/typeface_font_asset_provider.cc