| /* |
| * 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 SkTestSVGTypeface_DEFINED |
| #define SkTestSVGTypeface_DEFINED |
| |
| #include "SkFontArguments.h" |
| #include "SkFontMetrics.h" |
| #include "SkMutex.h" |
| #include "SkPaint.h" |
| #include "SkPoint.h" |
| #include "SkRect.h" |
| #include "SkRefCnt.h" |
| #include "SkScalar.h" |
| #include "SkStream.h" |
| #include "SkString.h" |
| #include "SkTArray.h" |
| #include "SkTHash.h" |
| #include "SkTypeface.h" |
| #include "SkTypes.h" |
| |
| #include <memory> |
| |
| class SkDescriptor; |
| class SkFontDescriptor; |
| class SkFontStyle; |
| class SkGlyph; |
| class SkPath; |
| class SkScalerContext; |
| class SkSVGDOM; |
| class SkWStream; |
| struct SkAdvancedTypefaceMetrics; |
| struct SkScalerContextEffects; |
| struct SkScalerContextRec; |
| |
| struct SkSVGTestTypefaceGlyphData { |
| const char* fSvgResourcePath; |
| SkPoint fOrigin; |
| SkScalar fAdvance; |
| SkUnichar fUnicode; //TODO: this limits to 1:1 |
| }; |
| |
| class SkTestSVGTypeface : public SkTypeface { |
| public: |
| SkTestSVGTypeface(const char* name, |
| int upem, |
| const SkFontMetrics& metrics, |
| const SkSVGTestTypefaceGlyphData* data, int dataCount, |
| const SkFontStyle& style); |
| ~SkTestSVGTypeface() override; |
| void getAdvance(SkGlyph* glyph) const; |
| void getFontMetrics(SkFontMetrics* metrics) const; |
| |
| static sk_sp<SkTestSVGTypeface> Default(); |
| void exportTtxCbdt(SkWStream*) const; |
| void exportTtxSbix(SkWStream*) const; |
| void exportTtxColr(SkWStream*) const; |
| |
| struct GlyfLayerInfo { |
| GlyfLayerInfo(int layerColorIndex, SkIRect bounds) |
| : fLayerColorIndex(layerColorIndex) |
| , fBounds(bounds) {} |
| int fLayerColorIndex; |
| SkIRect fBounds; |
| }; |
| struct GlyfInfo { |
| GlyfInfo() : fBounds(SkIRect::MakeEmpty()) {} |
| SkIRect fBounds; |
| SkTArray<GlyfLayerInfo> fLayers; |
| }; |
| protected: |
| void exportTtxCommon(SkWStream*, const char* type, const SkTArray<GlyfInfo>* = nullptr) const; |
| |
| SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&, |
| const SkDescriptor* desc) const override; |
| void onFilterRec(SkScalerContextRec* rec) const override; |
| void getGlyphToUnicodeMap(SkUnichar*) 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; |
| |
| int onCharsToGlyphs(const void* chars, Encoding encoding, |
| uint16_t glyphs[], int glyphCount) const override; |
| |
| int onCountGlyphs() const override { |
| return fGlyphCount; |
| } |
| |
| int onGetUPEM() const override { |
| return fUpem; |
| } |
| |
| 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: |
| struct Glyph { |
| Glyph(); |
| ~Glyph(); |
| sk_sp<SkSVGDOM> fSvg; |
| SkMutex fSvgMutex; |
| SkPoint fOrigin; |
| SkScalar fAdvance; |
| }; |
| SkString fName; |
| int fUpem; |
| const SkFontMetrics fFontMetrics; |
| std::unique_ptr<Glyph[]> fGlyphs; |
| int fGlyphCount; |
| SkTHashMap<SkUnichar, SkGlyphID> fCMap; |
| friend class SkTestSVGScalerContext; |
| }; |
| |
| #endif |