1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2015 Google Inc. 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Worker #ifndef RandomScalerContext_DEFINED 9*c8dee2aaSAndroid Build Coastguard Worker #define RandomScalerContext_DEFINED 10*c8dee2aaSAndroid Build Coastguard Worker 11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypeface.h" 12*c8dee2aaSAndroid Build Coastguard Worker #include "src/core/SkScalerContext.h" 13*c8dee2aaSAndroid Build Coastguard Worker 14*c8dee2aaSAndroid Build Coastguard Worker /* 15*c8dee2aaSAndroid Build Coastguard Worker * This scaler context is for debug only purposes. It will 'randomly' but deterministically return 16*c8dee2aaSAndroid Build Coastguard Worker * LCD / A8 / BW / RBGA masks based off of the Glyph ID 17*c8dee2aaSAndroid Build Coastguard Worker */ 18*c8dee2aaSAndroid Build Coastguard Worker 19*c8dee2aaSAndroid Build Coastguard Worker class SkRandomTypeface : public SkTypeface { 20*c8dee2aaSAndroid Build Coastguard Worker public: 21*c8dee2aaSAndroid Build Coastguard Worker SkRandomTypeface(sk_sp<SkTypeface> proxy, const SkPaint&, bool fakeit); 22*c8dee2aaSAndroid Build Coastguard Worker proxy()23*c8dee2aaSAndroid Build Coastguard Worker SkTypeface* proxy() const { return fProxy.get(); } paint()24*c8dee2aaSAndroid Build Coastguard Worker const SkPaint& paint() const { return fPaint; } 25*c8dee2aaSAndroid Build Coastguard Worker 26*c8dee2aaSAndroid Build Coastguard Worker protected: 27*c8dee2aaSAndroid Build Coastguard Worker std::unique_ptr<SkScalerContext> onCreateScalerContext(const SkScalerContextEffects&, 28*c8dee2aaSAndroid Build Coastguard Worker const SkDescriptor*) const override; 29*c8dee2aaSAndroid Build Coastguard Worker void onFilterRec(SkScalerContextRec*) const override; 30*c8dee2aaSAndroid Build Coastguard Worker void getGlyphToUnicodeMap(SkUnichar*) const override; 31*c8dee2aaSAndroid Build Coastguard Worker std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override; 32*c8dee2aaSAndroid Build Coastguard Worker std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override; 33*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override; 34*c8dee2aaSAndroid Build Coastguard Worker void onGetFontDescriptor(SkFontDescriptor*, bool* isLocal) const override; 35*c8dee2aaSAndroid Build Coastguard Worker 36*c8dee2aaSAndroid Build Coastguard Worker void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override; 37*c8dee2aaSAndroid Build Coastguard Worker int onCountGlyphs() const override; 38*c8dee2aaSAndroid Build Coastguard Worker int onGetUPEM() const override; 39*c8dee2aaSAndroid Build Coastguard Worker 40*c8dee2aaSAndroid Build Coastguard Worker void onGetFamilyName(SkString* familyName) const override; 41*c8dee2aaSAndroid Build Coastguard Worker bool onGetPostScriptName(SkString*) const override; 42*c8dee2aaSAndroid Build Coastguard Worker SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override; 43*c8dee2aaSAndroid Build Coastguard Worker 44*c8dee2aaSAndroid Build Coastguard Worker void getPostScriptGlyphNames(SkString*) const override; 45*c8dee2aaSAndroid Build Coastguard Worker 46*c8dee2aaSAndroid Build Coastguard Worker bool onGlyphMaskNeedsCurrentColor() const override; 47*c8dee2aaSAndroid Build Coastguard Worker int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[], 48*c8dee2aaSAndroid Build Coastguard Worker int coordinateCount) const override; 49*c8dee2aaSAndroid Build Coastguard Worker int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[], 50*c8dee2aaSAndroid Build Coastguard Worker int parameterCount) const override; 51*c8dee2aaSAndroid Build Coastguard Worker int onGetTableTags(SkFontTableTag tags[]) const override; 52*c8dee2aaSAndroid Build Coastguard Worker size_t onGetTableData(SkFontTableTag, size_t offset, size_t length, void* data) const override; 53*c8dee2aaSAndroid Build Coastguard Worker 54*c8dee2aaSAndroid Build Coastguard Worker private: 55*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkTypeface> fProxy; 56*c8dee2aaSAndroid Build Coastguard Worker SkPaint fPaint; 57*c8dee2aaSAndroid Build Coastguard Worker bool fFakeIt; 58*c8dee2aaSAndroid Build Coastguard Worker }; 59*c8dee2aaSAndroid Build Coastguard Worker 60*c8dee2aaSAndroid Build Coastguard Worker #endif 61