| /* |
| * 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 TestTypeface_DEFINED |
| #define TestTypeface_DEFINED |
| |
| #include "include/core/SkFontArguments.h" |
| #include "include/core/SkFontMetrics.h" |
| #include "include/core/SkFontStyle.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/private/SkFixed.h" |
| |
| #include <memory> |
| |
| class SkDescriptor; |
| class SkFontDescriptor; |
| class SkGlyph; |
| class SkPath; |
| class SkScalerContext; |
| class SkStreamAsset; |
| class SkString; |
| class SkTestFont; |
| struct SkAdvancedTypefaceMetrics; |
| struct SkScalerContextEffects; |
| struct SkScalerContextRec; |
| |
| struct SkTestFontData { |
| const SkScalar* fPoints; |
| const unsigned char* fVerbs; |
| const SkUnichar* fCharCodes; |
| const size_t fCharCodesCount; |
| const SkFixed* fWidths; |
| const SkFontMetrics& fMetrics; |
| const char* fName; |
| SkFontStyle fStyle; |
| }; |
| |
| class SkTestFont : public SkRefCnt { |
| public: |
| SkTestFont(const SkTestFontData&); |
| ~SkTestFont() override; |
| SkGlyphID glyphForUnichar(SkUnichar charCode) const; |
| void init(const SkScalar* pts, const unsigned char* verbs); |
| |
| private: |
| const SkUnichar* fCharCodes; |
| const size_t fCharCodesCount; |
| const SkFixed* fWidths; |
| const SkFontMetrics& fMetrics; |
| const char* fName; |
| SkPath* fPaths; |
| friend class TestTypeface; |
| typedef SkRefCnt INHERITED; |
| }; |
| |
| class TestTypeface : public SkTypeface { |
| public: |
| TestTypeface(sk_sp<SkTestFont>, const SkFontStyle& style); |
| void getAdvance(SkGlyph* glyph); |
| void getFontMetrics(SkFontMetrics* metrics); |
| SkPath getPath(SkGlyphID glyph); |
| |
| protected: |
| SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&, |
| const SkDescriptor* desc) const override; |
| void onFilterRec(SkScalerContextRec* rec) const override; |
| void getGlyphToUnicodeMap(SkUnichar* glyphToUnicode) const override; |
| std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override; |
| |
| std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override { return nullptr; } |
| |
| sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override { |
| return sk_ref_sp(this); |
| } |
| |
| void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const override; |
| |
| void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override; |
| |
| int onCountGlyphs() const override { return (int)fTestFont->fCharCodesCount; } |
| |
| void getPostScriptGlyphNames(SkString*) const override {} |
| |
| int onGetUPEM() const override { return 2048; } |
| |
| void onGetFamilyName(SkString* familyName) const override; |
| SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override; |
| |
| int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[], |
| int coordinateCount) const override { |
| return 0; |
| } |
| |
| int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[], |
| int parameterCount) const override { |
| return 0; |
| } |
| |
| int onGetTableTags(SkFontTableTag tags[]) const override { return 0; } |
| |
| size_t onGetTableData(SkFontTableTag tag, |
| size_t offset, |
| size_t length, |
| void* data) const override { |
| return 0; |
| } |
| |
| private: |
| sk_sp<SkTestFont> fTestFont; |
| friend class SkTestScalerContext; |
| }; |
| |
| #endif |