218 lines
8.5 KiB
C++
218 lines
8.5 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "CanvasTransform.h"
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#include "hwui/Bitmap.h"
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#include "hwui/Canvas.h"
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#include "utils/Macros.h"
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#include "utils/TypeLogic.h"
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#include "SkCanvas.h"
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#include "SkCanvasVirtualEnforcer.h"
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#include "SkDrawable.h"
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#include "SkNoDrawCanvas.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkRect.h"
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#include "SkTDArray.h"
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#include "SkTemplates.h"
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#include <vector>
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namespace android {
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namespace uirenderer {
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enum class DisplayListOpType : uint8_t {
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#define X(T) T,
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#include "DisplayListOps.in"
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#undef X
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};
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struct DisplayListOp {
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const uint8_t type : 8;
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const uint32_t skip : 24;
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};
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static_assert(sizeof(DisplayListOp) == 4);
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class RecordingCanvas;
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class DisplayListData final {
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public:
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DisplayListData() : mHasText(false) {}
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~DisplayListData();
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void draw(SkCanvas* canvas) const;
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void reset();
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bool empty() const { return fUsed == 0; }
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void applyColorTransform(ColorTransform transform);
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bool hasText() const { return mHasText; }
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size_t usedSize() const { return fUsed; }
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private:
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friend class RecordingCanvas;
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void flush();
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void save();
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void saveLayer(const SkRect*, const SkPaint*, const SkImageFilter*, const SkImage*,
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const SkMatrix*, SkCanvas::SaveLayerFlags);
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void saveBehind(const SkRect*);
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void restore();
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void concat(const SkMatrix&);
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void setMatrix(const SkMatrix&);
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void translate(SkScalar, SkScalar);
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void translateZ(SkScalar);
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void clipPath(const SkPath&, SkClipOp, bool aa);
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void clipRect(const SkRect&, SkClipOp, bool aa);
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void clipRRect(const SkRRect&, SkClipOp, bool aa);
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void clipRegion(const SkRegion&, SkClipOp);
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void drawPaint(const SkPaint&);
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void drawPath(const SkPath&, const SkPaint&);
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void drawRect(const SkRect&, const SkPaint&);
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void drawRegion(const SkRegion&, const SkPaint&);
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void drawOval(const SkRect&, const SkPaint&);
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void drawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&);
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void drawRRect(const SkRRect&, const SkPaint&);
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void drawDRRect(const SkRRect&, const SkRRect&, const SkPaint&);
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void drawAnnotation(const SkRect&, const char*, SkData*);
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void drawDrawable(SkDrawable*, const SkMatrix*);
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void drawPicture(const SkPicture*, const SkMatrix*, const SkPaint*);
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void drawText(const void*, size_t, SkScalar, SkScalar, const SkPaint&);
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void drawPosText(const void*, size_t, const SkPoint[], const SkPaint&);
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void drawPosTextH(const void*, size_t, const SkScalar[], SkScalar, const SkPaint&);
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void drawTextRSXform(const void*, size_t, const SkRSXform[], const SkRect*, const SkPaint&);
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void drawTextBlob(const SkTextBlob*, SkScalar, SkScalar, const SkPaint&);
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void drawImage(sk_sp<const SkImage>, SkScalar, SkScalar, const SkPaint*, BitmapPalette palette);
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void drawImageNine(sk_sp<const SkImage>, const SkIRect&, const SkRect&, const SkPaint*);
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void drawImageRect(sk_sp<const SkImage>, const SkRect*, const SkRect&, const SkPaint*,
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SkCanvas::SrcRectConstraint, BitmapPalette palette);
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void drawImageLattice(sk_sp<const SkImage>, const SkCanvas::Lattice&, const SkRect&,
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const SkPaint*, BitmapPalette);
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void drawPatch(const SkPoint[12], const SkColor[4], const SkPoint[4], SkBlendMode,
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const SkPaint&);
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void drawPoints(SkCanvas::PointMode, size_t, const SkPoint[], const SkPaint&);
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void drawVertices(const SkVertices*, const SkVertices::Bone bones[], int boneCount, SkBlendMode,
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const SkPaint&);
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void drawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
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SkBlendMode, const SkRect*, const SkPaint*);
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void drawShadowRec(const SkPath&, const SkDrawShadowRec&);
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void drawVectorDrawable(VectorDrawableRoot* tree);
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template <typename T, typename... Args>
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void* push(size_t, Args&&...);
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template <typename Fn, typename... Args>
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void map(const Fn[], Args...) const;
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SkAutoTMalloc<uint8_t> fBytes;
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size_t fUsed = 0;
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size_t fReserved = 0;
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bool mHasText : 1;
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};
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class RecordingCanvas final : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> {
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public:
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RecordingCanvas();
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void reset(DisplayListData*, const SkIRect& bounds);
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sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override;
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void willSave() override;
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SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
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void willRestore() override;
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bool onDoSaveBehind(const SkRect*) override;
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void onFlush() override;
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void didConcat(const SkMatrix&) override;
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void didSetMatrix(const SkMatrix&) override;
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void didTranslate(SkScalar, SkScalar) override;
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void onClipRect(const SkRect&, SkClipOp, ClipEdgeStyle) override;
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void onClipRRect(const SkRRect&, SkClipOp, ClipEdgeStyle) override;
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void onClipPath(const SkPath&, SkClipOp, ClipEdgeStyle) override;
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void onClipRegion(const SkRegion&, SkClipOp) override;
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void onDrawPaint(const SkPaint&) override;
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void onDrawPath(const SkPath&, const SkPaint&) override;
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void onDrawRect(const SkRect&, const SkPaint&) override;
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void onDrawRegion(const SkRegion&, const SkPaint&) override;
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void onDrawOval(const SkRect&, const SkPaint&) override;
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void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
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void onDrawRRect(const SkRRect&, const SkPaint&) override;
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void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
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void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
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void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
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void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
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void onDrawTextBlob(const SkTextBlob*, SkScalar, SkScalar, const SkPaint&) override;
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void onDrawBitmap(const SkBitmap&, SkScalar, SkScalar, const SkPaint*) override;
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void onDrawBitmapLattice(const SkBitmap&, const Lattice&, const SkRect&,
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const SkPaint*) override;
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void onDrawBitmapNine(const SkBitmap&, const SkIRect&, const SkRect&, const SkPaint*) override;
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void onDrawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&, const SkPaint*,
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SrcRectConstraint) override;
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void drawImage(const sk_sp<SkImage>& image, SkScalar left, SkScalar top, const SkPaint* paint,
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BitmapPalette pallete);
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void drawImageRect(const sk_sp<SkImage>& image, const SkRect& src, const SkRect& dst,
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const SkPaint* paint, SrcRectConstraint constraint, BitmapPalette palette);
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void drawImageLattice(const sk_sp<SkImage>& image, const Lattice& lattice, const SkRect& dst,
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const SkPaint* paint, BitmapPalette palette);
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void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override;
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void onDrawImageLattice(const SkImage*, const Lattice&, const SkRect&, const SkPaint*) override;
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void onDrawImageNine(const SkImage*, const SkIRect&, const SkRect&, const SkPaint*) override;
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void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*,
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SrcRectConstraint) override;
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void onDrawPatch(const SkPoint[12], const SkColor[4], const SkPoint[4], SkBlendMode,
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const SkPaint&) override;
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void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
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void onDrawVerticesObject(const SkVertices*, const SkVertices::Bone bones[], int boneCount,
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SkBlendMode, const SkPaint&) override;
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void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
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SkBlendMode, const SkRect*, const SkPaint*) override;
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void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
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void drawVectorDrawable(VectorDrawableRoot* tree);
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private:
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typedef SkCanvasVirtualEnforcer<SkNoDrawCanvas> INHERITED;
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DisplayListData* fDL;
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};
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} // namespace uirenderer
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} // namespace android
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