| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef RandomScalerContext_DEFINED |
| #define RandomScalerContext_DEFINED |
| |
| #include "include/core/SkTypeface.h" |
| #include "src/core/SkScalerContext.h" |
| |
| /* |
| * This scaler context is for debug only purposes. It will 'randomly' but deterministically return |
| * LCD / A8 / BW / RBGA masks based off of the Glyph ID |
| */ |
| |
| class SkRandomTypeface : public SkTypeface { |
| public: |
| SkRandomTypeface(sk_sp<SkTypeface> proxy, const SkPaint&, bool fakeit); |
| |
| SkTypeface* proxy() const { return fProxy.get(); } |
| const SkPaint& paint() const { return fPaint; } |
| |
| protected: |
| std::unique_ptr<SkScalerContext> onCreateScalerContext(const SkScalerContextEffects&, |
| const SkDescriptor*) const override; |
| void onFilterRec(SkScalerContextRec*) const override; |
| void getGlyphToUnicodeMap(SkUnichar*) const override; |
| std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override; |
| std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override; |
| sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override; |
| void onGetFontDescriptor(SkFontDescriptor*, bool* isLocal) const override; |
| |
| void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override; |
| int onCountGlyphs() const override; |
| int onGetUPEM() const override; |
| |
| void onGetFamilyName(SkString* familyName) const override; |
| bool onGetPostScriptName(SkString*) const override; |
| SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override; |
| |
| void getPostScriptGlyphNames(SkString*) 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; |
| |
| private: |
| sk_sp<SkTypeface> fProxy; |
| SkPaint fPaint; |
| bool fFakeIt; |
| }; |
| |
| #endif |