diff options
Diffstat (limited to 'dm/DMFontMgr.cpp')
-rw-r--r-- | dm/DMFontMgr.cpp | 89 |
1 files changed, 50 insertions, 39 deletions
diff --git a/dm/DMFontMgr.cpp b/dm/DMFontMgr.cpp index d275c412c7..d5915724d3 100644 --- a/dm/DMFontMgr.cpp +++ b/dm/DMFontMgr.cpp @@ -9,15 +9,17 @@ #include "SkFontDescriptor.h" #include "sk_tool_utils.h" -namespace DM { +namespace { - static constexpr const char* kFamilyNames[] = { - "Toy Liberation Sans", - "Toy Liberation Serif", - "Toy Liberation Mono", - }; +static constexpr const char* kFamilyNames[] = { + "Toy Liberation Sans", + "Toy Liberation Serif", + "Toy Liberation Mono", +}; - FontStyleSet::FontStyleSet(int familyIndex) { +class FontStyleSet final : public SkFontStyleSet { +public: + explicit FontStyleSet(int familyIndex) { using sk_tool_utils::create_portable_typeface; const char* familyName = kFamilyNames[familyIndex]; @@ -27,9 +29,9 @@ namespace DM { fTypefaces[3] = create_portable_typeface(familyName, SkFontStyle::BoldItalic()); } - int FontStyleSet::count() { return 4; } + int count() override { return 4; } - void FontStyleSet::getStyle(int index, SkFontStyle* style, SkString* name) { + void getStyle(int index, SkFontStyle* style, SkString* name) override { switch (index) { default: case 0: if (style) { *style = SkFontStyle::Normal(); } @@ -47,33 +49,39 @@ namespace DM { } } - SkTypeface* FontStyleSet::createTypeface(int index) { + SkTypeface* createTypeface(int index) override { return SkRef(fTypefaces[index].get()); } - SkTypeface* FontStyleSet::matchStyle(const SkFontStyle& pattern) { + SkTypeface* matchStyle(const SkFontStyle& pattern) override { return this->matchStyleCSS3(pattern); } - // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // +private: + sk_sp<SkTypeface> fTypefaces[4]; +}; + +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // - FontMgr::FontMgr() { +class FontMgr final : public SkFontMgr { +public: + FontMgr() { fFamilies[0] = sk_make_sp<FontStyleSet>(0); fFamilies[1] = sk_make_sp<FontStyleSet>(1); fFamilies[2] = sk_make_sp<FontStyleSet>(2); } - int FontMgr::onCountFamilies() const { return SK_ARRAY_COUNT(fFamilies); } + int onCountFamilies() const override { return SK_ARRAY_COUNT(fFamilies); } - void FontMgr::onGetFamilyName(int index, SkString* familyName) const { + void onGetFamilyName(int index, SkString* familyName) const override { *familyName = kFamilyNames[index]; } - SkFontStyleSet* FontMgr::onCreateStyleSet(int index) const { + SkFontStyleSet* onCreateStyleSet(int index) const override { return SkRef(fFamilies[index].get()); } - SkFontStyleSet* FontMgr::onMatchFamily(const char familyName[]) const { + SkFontStyleSet* onMatchFamily(const char familyName[]) const override { if (familyName) { if (strstr(familyName, "ans")) { return this->createStyleSet(0); } if (strstr(familyName, "erif")) { return this->createStyleSet(1); } @@ -82,55 +90,58 @@ namespace DM { return this->createStyleSet(0); } - SkTypeface* FontMgr::onMatchFamilyStyle(const char familyName[], - const SkFontStyle& style) const { + + SkTypeface* onMatchFamilyStyle(const char familyName[], + const SkFontStyle& style) const override { sk_sp<SkFontStyleSet> styleSet(this->matchFamily(familyName)); return styleSet->matchStyle(style); } - SkTypeface* FontMgr::onMatchFamilyStyleCharacter(const char familyName[], - const SkFontStyle& style, - const char* bcp47[], - int bcp47Count, - SkUnichar character) const { + SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], + const SkFontStyle& style, + const char* bcp47[], int bcp47Count, + SkUnichar character) const override { (void)bcp47; (void)bcp47Count; (void)character; return this->matchFamilyStyle(familyName, style); } - SkTypeface* FontMgr::onMatchFaceStyle(const SkTypeface* tf, - const SkFontStyle& style) const { + SkTypeface* onMatchFaceStyle(const SkTypeface* tf, + const SkFontStyle& style) const override { SkString familyName; tf->getFamilyName(&familyName); return this->matchFamilyStyle(familyName.c_str(), style); } - sk_sp<SkTypeface> FontMgr::onMakeFromData(sk_sp<SkData>, int ttcIndex) const { + sk_sp<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const override { return nullptr; } - - sk_sp<SkTypeface> FontMgr::onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>, - int ttcIndex) const { + sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>, + int ttcIndex) const override { return nullptr; } - - sk_sp<SkTypeface> FontMgr::onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>, - const SkFontArguments&) const { + sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>, + const SkFontArguments&) const override { return nullptr; } - - sk_sp<SkTypeface> FontMgr::onMakeFromFontData(std::unique_ptr<SkFontData>) const { + sk_sp<SkTypeface> onMakeFromFontData(std::unique_ptr<SkFontData>) const override { return nullptr; } - - sk_sp<SkTypeface> FontMgr::onMakeFromFile(const char path[], int ttcIndex) const { + sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const override { return nullptr; } - sk_sp<SkTypeface> FontMgr::onLegacyMakeTypeface(const char familyName[], - SkFontStyle style) const { + sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[], + SkFontStyle style) const override { return sk_sp<SkTypeface>(this->matchFamilyStyle(familyName, style)); } +private: + sk_sp<FontStyleSet> fFamilies[3]; +}; +} + +namespace DM { +sk_sp<SkFontMgr> MakeFontMgr() { return sk_make_sp<FontMgr>(); } } // namespace DM |