| /* |
| * Copyright 2020 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkTypeface_mac_ct_DEFINED |
| #define SkTypeface_mac_ct_DEFINED |
| |
| #include "include/core/SkTypes.h" |
| #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) |
| |
| #include "include/core/SkFontArguments.h" |
| #include "include/core/SkFontParameters.h" |
| #include "include/core/SkFontStyle.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/private/SkOnce.h" |
| #include "src/utils/mac/SkUniqueCFRef.h" |
| |
| #ifdef SK_BUILD_FOR_MAC |
| #import <ApplicationServices/ApplicationServices.h> |
| #endif |
| |
| #ifdef SK_BUILD_FOR_IOS |
| #include <CoreText/CoreText.h> |
| #include <CoreText/CTFontManager.h> |
| #include <CoreGraphics/CoreGraphics.h> |
| #include <CoreFoundation/CoreFoundation.h> |
| #endif |
| |
| #include <memory> |
| |
| class SkData; |
| class SkDescriptor; |
| class SkFontData; |
| class SkFontDescriptor; |
| class SkScalerContext; |
| class SkString; |
| struct SkAdvancedTypefaceMetrics; |
| struct SkScalerContextEffects; |
| struct SkScalerContextRec; |
| |
| struct OpszVariation { |
| bool isSet = false; |
| double value = 0; |
| }; |
| |
| struct CTFontVariation { |
| SkUniqueCFRef<CFDictionaryRef> variation; |
| SkUniqueCFRef<CFDictionaryRef> wrongOpszVariation; |
| OpszVariation opsz; |
| }; |
| |
| CTFontVariation SkCTVariationFromSkFontArguments(CTFontRef ct, CFArrayRef ctAxes, |
| const SkFontArguments& args); |
| |
| SkUniqueCFRef<CTFontRef> SkCTFontCreateExactCopy(CTFontRef baseFont, CGFloat textSize, |
| OpszVariation opsz); |
| |
| SkFontStyle SkCTFontDescriptorGetSkFontStyle(CTFontDescriptorRef desc, bool fromDataProvider); |
| |
| CGFloat SkCTFontCTWeightForCSSWeight(int fontstyleWeight); |
| CGFloat SkCTFontCTWidthForCSSWidth(int fontstyleWidth); |
| |
| void SkStringFromCFString(CFStringRef src, SkString* dst); |
| |
| class SkTypeface_Mac : public SkTypeface { |
| private: |
| SkTypeface_Mac(SkUniqueCFRef<CTFontRef> fontRef, const SkFontStyle& fs, bool isFixedPitch, |
| OpszVariation opszVariation, std::unique_ptr<SkStreamAsset> providedData) |
| : SkTypeface(fs, isFixedPitch) |
| , fFontRef(std::move(fontRef)) |
| , fOpszVariation(opszVariation) |
| , fHasColorGlyphs( |
| SkToBool(CTFontGetSymbolicTraits(fFontRef.get()) & kCTFontColorGlyphsTrait)) |
| , fStream(std::move(providedData)) |
| , fIsFromStream(fStream) |
| { |
| SkASSERT(fFontRef); |
| } |
| |
| public: |
| static sk_sp<SkTypeface> Make(SkUniqueCFRef<CTFontRef> font, |
| OpszVariation opszVariation, |
| std::unique_ptr<SkStreamAsset> providedData); |
| |
| SkUniqueCFRef<CTFontRef> fFontRef; |
| const OpszVariation fOpszVariation; |
| const bool fHasColorGlyphs; |
| |
| /** |
| * CTFontCopyVariationAxes provides the localized name of all axes, making it very slow. |
| * This is unfortunate, its result is needed just to see if there are any axes at all. |
| * To avoid calling internal APIs cache the result of CTFontCopyVariationAxes. |
| * https://github.com/WebKit/WebKit/commit/1842365d413ed87868e7d33d4fad1691fa3a8129 |
| * https://bugs.webkit.org/show_bug.cgi?id=232690 |
| */ |
| CFArrayRef getVariationAxes() const; |
| |
| protected: |
| int onGetUPEM() const override; |
| std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override; |
| std::unique_ptr<SkStreamAsset> onOpenExistingStream(int* ttcIndex) const override; |
| bool onGlyphMaskNeedsCurrentColor() const override; |
| int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[], |
| int coordinateCount) const override; |
| void onGetFamilyName(SkString* familyName) const override; |
| bool onGetPostScriptName(SkString*) const override; |
| SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() 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; |
| std::unique_ptr<SkScalerContext> onCreateScalerContext(const SkScalerContextEffects&, |
| const SkDescriptor*) const override; |
| void onFilterRec(SkScalerContextRec*) const override; |
| void onGetFontDescriptor(SkFontDescriptor*, bool*) const override; |
| void getGlyphToUnicodeMap(SkUnichar*) const override; |
| std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override; |
| void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override; |
| int onCountGlyphs() const override; |
| void getPostScriptGlyphNames(SkString*) const override {} |
| int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[], |
| int parameterCount) const override; |
| sk_sp<SkTypeface> onMakeClone(const SkFontArguments&) const override; |
| |
| void* onGetCTFontRef() const override { return (void*)fFontRef.get(); } |
| |
| private: |
| mutable std::unique_ptr<SkStreamAsset> fStream; |
| mutable SkUniqueCFRef<CFArrayRef> fVariationAxes; |
| bool fIsFromStream; |
| mutable SkOnce fInitStream; |
| mutable SkOnce fInitVariationAxes; |
| |
| using INHERITED = SkTypeface; |
| }; |
| |
| #endif |
| #endif //SkTypeface_mac_ct_DEFINED |