text: /*
   * 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 SkRecorder_DEFINED
  #define SkRecorder_DEFINED
  
  #include "include/core/SkCanvasVirtualEnforcer.h"
  #include "include/private/SkTDArray.h"
  #include "include/utils/SkNoDrawCanvas.h"
  #include "src/core/SkBigPicture.h"
  #include "src/core/SkMiniRecorder.h"
  #include "src/core/SkRecord.h"
  #include "src/core/SkRecords.h"
  
  class SkBBHFactory;
  
  class SkDrawableList : SkNoncopyable {
  public:
      SkDrawableList() {}
      ~SkDrawableList();
  
      int count() const { return fArray.count(); }
      SkDrawable* const* begin() const { return fArray.begin(); }
  
      void append(SkDrawable* drawable);
  
      // Return a new or ref'd array of pictures that were snapped from our drawables.
      SkBigPicture::SnapshotArray* newDrawableSnapshot();
  
  private:
      SkTDArray<SkDrawable*> fArray;
  };
  
  // SkRecorder provides an SkCanvas interface for recording into an SkRecord.
  
  class SkRecorder final : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> {
  public:
      // Does not take ownership of the SkRecord.
      SkRecorder(SkRecord*, int width, int height, SkMiniRecorder* = nullptr);   // TODO: remove
      SkRecorder(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr);
  
      void reset(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr);
  
      size_t approxBytesUsedBySubPictures() const { return fApproxBytesUsedBySubPictures; }
  
      SkDrawableList* getDrawableList() const { return fDrawableList.get(); }
      std::unique_ptr<SkDrawableList> detachDrawableList() { return std::move(fDrawableList); }
  
      // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail.
      void forgetRecord();
  
      void onFlush() override;
  
      void willSave() override;
      SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
      bool onDoSaveBehind(const SkRect*) override;
      void willRestore() override {}
      void didRestore() override;
  
      void onMarkCTM(const char*) override;
      void didConcat44(const SkM44&) override;
      void didSetM44(const SkM44&) override;
      void didScale(SkScalar, SkScalar) override;
      void didTranslate(SkScalar, SkScalar) override;
  
      void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
      void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
      void onDrawTextBlob(const SkTextBlob* blob,
                          SkScalar x,
                          SkScalar y,
                          const SkPaint& paint) override;
      void onDrawGlyphRunList(const SkGlyphRunList& glyphRunList, const SkPaint& paint) override;
      void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
                       const SkPoint texCoords[4], SkBlendMode,
                       const SkPaint& paint) override;
  
      void onDrawPaint(const SkPaint&) override;
      void onDrawBehind(const SkPaint&) override;
      void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
      void onDrawRect(const SkRect&, const SkPaint&) override;
      void onDrawRegion(const SkRegion&, const SkPaint&) override;
      void onDrawOval(const SkRect&, const SkPaint&) override;
      void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
      void onDrawRRect(const SkRRect&, const SkPaint&) override;
      void onDrawPath(const SkPath&, const SkPaint&) override;
  
      void onDrawImage2(const SkImage*, SkScalar, SkScalar, const SkSamplingOptions&,
                        const SkPaint*) override;
      void onDrawImageRect2(const SkImage*, const SkRect&, const SkRect&, const SkSamplingOptions&,
                            const SkPaint*, SrcRectConstraint) override;
      void onDrawImageLattice2(const SkImage*, const Lattice&, const SkRect&, SkFilterMode,
                               const SkPaint*) override;
      void onDrawAtlas2(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
                       SkBlendMode, const SkSamplingOptions&, const SkRect*, const SkPaint*) override;
  
      void onDrawVerticesObject(const SkVertices*, SkBlendMode, const SkPaint&) override;
      void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
  
      void onClipRect(const SkRect& rect, SkClipOp, ClipEdgeStyle) override;
      void onClipRRect(const SkRRect& rrect, SkClipOp, ClipEdgeStyle) override;
      void onClipPath(const SkPath& path, SkClipOp, ClipEdgeStyle) override;
      void onClipShader(sk_sp<SkShader>, SkClipOp) override;
      void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override;
  
      void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
  
      void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
  
      void onDrawEdgeAAQuad(const SkRect&, const SkPoint[4], QuadAAFlags, const SkColor4f&,
                            SkBlendMode) override;
      void onDrawEdgeAAImageSet2(const ImageSetEntry[], int count, const SkPoint[], const SkMatrix[],
                                 const SkSamplingOptions&, const SkPaint*,
                                 SrcRectConstraint) override;
  
      sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override;
  
      void flushMiniRecorder();
  
  private:
      template <typename T>
      T* copy(const T*);
  
      template <typename T>
      T* copy(const T[], size_t count);
  
      template<typename T, typename... Args>
      void append(Args&&...);
  
      size_t fApproxBytesUsedBySubPictures;
      SkRecord* fRecord;
      std::unique_ptr<SkDrawableList> fDrawableList;
  
      SkMiniRecorder* fMiniRecorder;
  };
  
  #endif//SkRecorder_DEFINED
  