blob: d1b9f26242279aad53515ad6da8fa7ff3cbab438 [file] [log] [blame]
// Copyright 2019 Google LLC.
#include "modules/skparagraph/include/TypefaceFontProvider.h"
#include <algorithm>
#include "include/core/SkFontMgr.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "src/core/SkFontDescriptor.h"
namespace skia {
namespace textlayout {
int TypefaceFontProvider::onCountFamilies() const { return fRegisteredFamilies.count(); }
void TypefaceFontProvider::onGetFamilyName(int index, SkString* familyName) const {
SkASSERT(index < fRegisteredFamilies.count());
familyName->set(fFamilyNames[index]);
}
SkFontStyleSet* TypefaceFontProvider::onMatchFamily(const char familyName[]) const {
auto found = fRegisteredFamilies.find(SkString(familyName));
if (found) {
return SkRef((*found).get());
}
return nullptr;
}
size_t TypefaceFontProvider::registerTypeface(sk_sp<SkTypeface> typeface) {
if (typeface == nullptr) {
return 0;
}
SkString familyName;
typeface->getFamilyName(&familyName);
return registerTypeface(std::move(typeface), std::move(familyName));
}
size_t TypefaceFontProvider::registerTypeface(sk_sp<SkTypeface> typeface, const SkString& familyName) {
if (familyName.size() == 0) {
return 0;
}
auto found = fRegisteredFamilies.find(familyName);
if (found == nullptr) {
found = fRegisteredFamilies.set(familyName, sk_make_sp<TypefaceFontStyleSet>(familyName));
fFamilyNames.emplace_back(familyName);
}
(*found)->appendTypeface(std::move(typeface));
return 1;
}
TypefaceFontStyleSet::TypefaceFontStyleSet(const SkString& familyName)
: fFamilyName(familyName) {}
int TypefaceFontStyleSet::count() { return fStyles.size(); }
void TypefaceFontStyleSet::getStyle(int index, SkFontStyle* style, SkString* name) {
SkASSERT(index < fStyles.count());
if (style) {
*style = fStyles[index]->fontStyle();
}
if (name) {
*name = fFamilyName;
}
}
SkTypeface* TypefaceFontStyleSet::createTypeface(int index) {
SkASSERT(index < fStyles.count());
return SkRef(fStyles[index].get());
}
SkTypeface* TypefaceFontStyleSet::matchStyle(const SkFontStyle& pattern) {
return this->matchStyleCSS3(pattern);
}
void TypefaceFontStyleSet::appendTypeface(sk_sp<SkTypeface> typeface) {
if (typeface.get() != nullptr) {
fStyles.emplace_back(std::move(typeface));
}
}
} // namespace textlayout
} // namespace skia