70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
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/*
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* Copyright 2018 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 SkSGText_DEFINED
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#define SkSGText_DEFINED
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#include "SkSGGeometryNode.h"
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#include "SkPaintDefaults.h"
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#include "SkPoint.h"
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#include "SkString.h"
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class SkCanvas;
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class SkPaint;
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class SkTextBlob;
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class SkTypeface;
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namespace sksg {
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/**
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* Concrete Geometry node, wrapping a (shaped) SkTextBlob.
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*/
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class Text final : public GeometryNode {
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public:
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static sk_sp<Text> Make(sk_sp<SkTypeface> tf, const SkString& text);
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~Text() override;
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SG_ATTRIBUTE(Text , SkString , fText )
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SG_ATTRIBUTE(Flags , uint32_t , fFlags )
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SG_ATTRIBUTE(Position, SkPoint , fPosition)
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SG_ATTRIBUTE(Size , SkScalar , fSize )
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SG_ATTRIBUTE(ScaleX , SkScalar , fScaleX )
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SG_ATTRIBUTE(SkewX , SkScalar , fSkewX )
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SG_ATTRIBUTE(Align , SkPaint::Align, fAlign )
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// TODO: add shaping functionality.
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protected:
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void onClip(SkCanvas*, bool antiAlias) const override;
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void onDraw(SkCanvas*, const SkPaint&) const override;
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SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
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SkPath onAsPath() const override;
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private:
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explicit Text(sk_sp<SkTypeface>, const SkString&);
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const sk_sp<SkTypeface> fTypeface;
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SkString fText;
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uint32_t fFlags = SkPaintDefaults_Flags;
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SkPoint fPosition = SkPoint::Make(0, 0);
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SkScalar fSize = SkPaintDefaults_TextSize;
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SkScalar fScaleX = 1;
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SkScalar fSkewX = 0;
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SkPaint::Align fAlign = SkPaint::kLeft_Align;
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SkPaint::Hinting fHinting = SkPaintDefaults_Hinting;
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sk_sp<SkTextBlob> fBlob; // cached text blob
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using INHERITED = GeometryNode;
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};
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} // namespace sksg
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#endif // SkSGText_DEFINED
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