e346b1eea4
This adds a way for users to query the axis parameters for a typeface. Change-Id: Idc2ac0d84bc7ae2ca484ae410cba5b01883418e5 Reviewed-on: https://skia-review.googlesource.com/137706 Commit-Queue: Ben Wagner <bungeman@google.com> Reviewed-by: Mike Reed <reed@google.com>
59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkRandomScalerContext_DEFINED
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#define SkRandomScalerContext_DEFINED
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#include "SkScalerContext.h"
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#include "SkTypeface.h"
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/*
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* This scaler context is for debug only purposes. It will 'randomly' but deterministically return
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* LCD / A8 / BW / RBGA masks based off of the Glyph ID
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*/
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class SkRandomTypeface : public SkTypeface {
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public:
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SkRandomTypeface(sk_sp<SkTypeface> proxy, const SkPaint&, bool fakeit);
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SkTypeface* proxy() const { return fProxy.get(); }
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const SkPaint& paint() const { return fPaint; }
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protected:
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SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&,
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const SkDescriptor*) const override;
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void onFilterRec(SkScalerContextRec*) const override;
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void getGlyphToUnicodeMap(SkUnichar*) const override;
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std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override;
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SkStreamAsset* onOpenStream(int* ttcIndex) const override;
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sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override;
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void onGetFontDescriptor(SkFontDescriptor*, bool* isLocal) const override;
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int onCharsToGlyphs(const void* chars, Encoding encoding,
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uint16_t glyphs[], int glyphCount) const override;
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int onCountGlyphs() const override;
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int onGetUPEM() const override;
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void onGetFamilyName(SkString* familyName) const override;
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SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
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int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
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int coordinateCount) const override;
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int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
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int parameterCount) const override;
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int onGetTableTags(SkFontTableTag tags[]) const override;
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size_t onGetTableData(SkFontTableTag, size_t offset,
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size_t length, void* data) const override;
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private:
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sk_sp<SkTypeface> fProxy;
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SkPaint fPaint;
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bool fFakeIt;
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};
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#endif
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