| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkTypeface_win_dw_DEFINED |
| #define SkTypeface_win_dw_DEFINED |
| |
| #include "include/core/SkFontArguments.h" |
| #include "include/core/SkTypeface.h" |
| #include "src/core/SkAdvancedTypefaceMetrics.h" |
| #include "src/core/SkLeanWindows.h" |
| #include "src/core/SkTypefaceCache.h" |
| #include "src/utils/win/SkDWrite.h" |
| #include "src/utils/win/SkHRESULT.h" |
| #include "src/utils/win/SkTScopedComPtr.h" |
| |
| #include <dwrite.h> |
| #include <dwrite_1.h> |
| #include <dwrite_2.h> |
| #include <dwrite_3.h> |
| |
| class SkFontDescriptor; |
| struct SkScalerContextRec; |
| |
| static SkFontStyle get_style(IDWriteFont* font) { |
| int weight = font->GetWeight(); |
| int width = font->GetStretch(); |
| SkFontStyle::Slant slant = SkFontStyle::kUpright_Slant; |
| switch (font->GetStyle()) { |
| case DWRITE_FONT_STYLE_NORMAL: slant = SkFontStyle::kUpright_Slant; break; |
| case DWRITE_FONT_STYLE_OBLIQUE: slant = SkFontStyle::kOblique_Slant; break; |
| case DWRITE_FONT_STYLE_ITALIC: slant = SkFontStyle::kItalic_Slant; break; |
| default: SkASSERT(false); break; |
| } |
| return SkFontStyle(weight, width, slant); |
| } |
| |
| class DWriteFontTypeface : public SkTypeface { |
| public: |
| struct Loaders : public SkNVRefCnt<Loaders> { |
| Loaders(IDWriteFactory* factory, |
| IDWriteFontFileLoader* fontFileLoader, |
| IDWriteFontCollectionLoader* fontCollectionLoader) |
| : fFactory(SkRefComPtr(factory)) |
| , fDWriteFontFileLoader(SkRefComPtr(fontFileLoader)) |
| , fDWriteFontCollectionLoader(SkRefComPtr(fontCollectionLoader)) |
| {} |
| Loaders(const Loaders&) = delete; |
| Loaders& operator=(const Loaders&) = delete; |
| Loaders(Loaders&&) = delete; |
| Loaders& operator=(Loaders&&) = delete; |
| ~Loaders(); |
| |
| SkTScopedComPtr<IDWriteFactory> fFactory; |
| SkTScopedComPtr<IDWriteFontFileLoader> fDWriteFontFileLoader; |
| SkTScopedComPtr<IDWriteFontCollectionLoader> fDWriteFontCollectionLoader; |
| }; |
| |
| private: |
| DWriteFontTypeface(const SkFontStyle& style, |
| IDWriteFactory* factory, |
| IDWriteFontFace* fontFace, |
| IDWriteFont* font, |
| IDWriteFontFamily* fontFamily, |
| sk_sp<Loaders> loaders, |
| const SkFontArguments::Palette&); |
| HRESULT initializePalette(); |
| |
| public: |
| SkTScopedComPtr<IDWriteFactory> fFactory; |
| SkTScopedComPtr<IDWriteFactory2> fFactory2; |
| SkTScopedComPtr<IDWriteFontFamily> fDWriteFontFamily; |
| SkTScopedComPtr<IDWriteFont> fDWriteFont; |
| SkTScopedComPtr<IDWriteFontFace> fDWriteFontFace; |
| SkTScopedComPtr<IDWriteFontFace1> fDWriteFontFace1; |
| SkTScopedComPtr<IDWriteFontFace2> fDWriteFontFace2; |
| SkTScopedComPtr<IDWriteFontFace4> fDWriteFontFace4; |
| bool fIsColorFont; |
| |
| std::unique_ptr<SkFontArguments::Palette::Override> fRequestedPaletteEntryOverrides; |
| SkFontArguments::Palette fRequestedPalette; |
| |
| size_t fPaletteEntryCount; |
| std::unique_ptr<SkColor[]> fPalette; |
| |
| static sk_sp<DWriteFontTypeface> Make( |
| IDWriteFactory* factory, |
| IDWriteFontFace* fontFace, |
| IDWriteFont* font, |
| IDWriteFontFamily* fontFamily, |
| sk_sp<Loaders> loaders, |
| const SkFontArguments::Palette& palette) |
| { |
| return sk_sp<DWriteFontTypeface>(new DWriteFontTypeface( |
| get_style(font), factory, fontFace, font, fontFamily, std::move(loaders), palette)); |
| } |
| |
| protected: |
| void weak_dispose() const override { |
| fLoaders.reset(); |
| |
| //SkTypefaceCache::Remove(this); |
| INHERITED::weak_dispose(); |
| } |
| |
| sk_sp<SkTypeface> onMakeClone(const SkFontArguments&) const override; |
| std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override; |
| std::unique_ptr<SkScalerContext> onCreateScalerContext(const SkScalerContextEffects&, |
| const SkDescriptor*) const override; |
| void onFilterRec(SkScalerContextRec*) const override; |
| void getGlyphToUnicodeMap(SkUnichar* glyphToUnicode) const override; |
| std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override; |
| void onGetFontDescriptor(SkFontDescriptor*, bool*) const override; |
| void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override; |
| int onCountGlyphs() const override; |
| void getPostScriptGlyphNames(SkString*) const override; |
| int onGetUPEM() const override; |
| void onGetFamilyName(SkString* familyName) const override; |
| bool onGetPostScriptName(SkString*) const override; |
| SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override; |
| bool onGlyphMaskNeedsCurrentColor() const override; |
| int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[], |
| int coordinateCount) const override; |
| int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[], |
| int parameterCount) const override; |
| int onGetTableTags(SkFontTableTag tags[]) const override; |
| size_t onGetTableData(SkFontTableTag, size_t offset, size_t length, void* data) const override; |
| sk_sp<SkData> onCopyTableData(SkFontTableTag) const override; |
| |
| private: |
| mutable sk_sp<Loaders> fLoaders; |
| using INHERITED = SkTypeface; |
| }; |
| |
| #endif |