1/*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkRecorder_DEFINED
9#define SkRecorder_DEFINED
10
11#include "include/core/SkCanvasVirtualEnforcer.h"
12#include "include/private/SkTDArray.h"
13#include "include/utils/SkNoDrawCanvas.h"
14#include "src/core/SkBigPicture.h"
15#include "src/core/SkMiniRecorder.h"
16#include "src/core/SkRecord.h"
17#include "src/core/SkRecords.h"
18
19class SkBBHFactory;
20
21class SkDrawableList : SkNoncopyable {
22public:
23 SkDrawableList() {}
24 ~SkDrawableList();
25
26 int count() const { return fArray.count(); }
27 SkDrawable* const* begin() const { return fArray.begin(); }
28
29 void append(SkDrawable* drawable);
30
31 // Return a new or ref'd array of pictures that were snapped from our drawables.
32 SkBigPicture::SnapshotArray* newDrawableSnapshot();
33
34private:
35 SkTDArray<SkDrawable*> fArray;
36};
37
38// SkRecorder provides an SkCanvas interface for recording into an SkRecord.
39
40class SkRecorder final : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> {
41public:
42 // Does not take ownership of the SkRecord.
43 SkRecorder(SkRecord*, int width, int height, SkMiniRecorder* = nullptr); // TODO: remove
44 SkRecorder(SkRecord*, const SkRect& bounds, SkMiniRecorder* = nullptr);
45
46 enum DrawPictureMode {
47 Record_DrawPictureMode,
48 Playback_DrawPictureMode,
49 // Plays back top level drawPicture calls only, but records pictures within those.
50 PlaybackTop_DrawPictureMode,
51 };
52 void reset(SkRecord*, const SkRect& bounds, DrawPictureMode, SkMiniRecorder* = nullptr);
53
54 size_t approxBytesUsedBySubPictures() const { return fApproxBytesUsedBySubPictures; }
55
56 SkDrawableList* getDrawableList() const { return fDrawableList.get(); }
57 std::unique_ptr<SkDrawableList> detachDrawableList() { return std::move(fDrawableList); }
58
59 // Make SkRecorder forget entirely about its SkRecord*; all calls to SkRecorder will fail.
60 void forgetRecord();
61
62 void onFlush() override;
63
64 void willSave() override;
65 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
66 bool onDoSaveBehind(const SkRect*) override;
67 void willRestore() override {}
68 void didRestore() override;
69
70 void onMarkCTM(const char*) override;
71 void didConcat44(const SkM44&) override;
72 void didConcat(const SkMatrix&) override;
73 void didSetMatrix(const SkMatrix&) override;
74 void didScale(SkScalar, SkScalar) override;
75 void didTranslate(SkScalar, SkScalar) override;
76
77 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
78 void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
79 void onDrawTextBlob(const SkTextBlob* blob,
80 SkScalar x,
81 SkScalar y,
82 const SkPaint& paint) override;
83 void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
84 const SkPoint texCoords[4], SkBlendMode,
85 const SkPaint& paint) override;
86
87 void onDrawPaint(const SkPaint&) override;
88 void onDrawBehind(const SkPaint&) override;
89 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
90 void onDrawRect(const SkRect&, const SkPaint&) override;
91 void onDrawRegion(const SkRegion&, const SkPaint&) override;
92 void onDrawOval(const SkRect&, const SkPaint&) override;
93 void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
94 void onDrawRRect(const SkRRect&, const SkPaint&) override;
95 void onDrawPath(const SkPath&, const SkPaint&) override;
96 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
97 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
98 const SkPaint*, SrcRectConstraint) override;
99 void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
100 const SkPaint*) override;
101 void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst,
102 const SkPaint*) override;
103 void onDrawVerticesObject(const SkVertices*, SkBlendMode, const SkPaint&) override;
104 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[],
105 int count, SkBlendMode, const SkRect* cull, const SkPaint*) override;
106 void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
107
108 void onClipRect(const SkRect& rect, SkClipOp, ClipEdgeStyle) override;
109 void onClipRRect(const SkRRect& rrect, SkClipOp, ClipEdgeStyle) override;
110 void onClipPath(const SkPath& path, SkClipOp, ClipEdgeStyle) override;
111 void onClipShader(sk_sp<SkShader>, SkClipOp) override;
112 void onClipRegion(const SkRegion& deviceRgn, SkClipOp) override;
113
114 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
115
116 void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
117
118 void onDrawEdgeAAQuad(const SkRect&, const SkPoint[4], QuadAAFlags, const SkColor4f&,
119 SkBlendMode) override;
120 void onDrawEdgeAAImageSet(const ImageSetEntry[], int count, const SkPoint[], const SkMatrix[],
121 const SkPaint*, SrcRectConstraint) override;
122
123 sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override;
124
125 void flushMiniRecorder();
126
127private:
128 template <typename T>
129 T* copy(const T*);
130
131 template <typename T>
132 T* copy(const T[], size_t count);
133
134 template<typename T, typename... Args>
135 void append(Args&&...);
136
137 DrawPictureMode fDrawPictureMode;
138 size_t fApproxBytesUsedBySubPictures;
139 SkRecord* fRecord;
140 std::unique_ptr<SkDrawableList> fDrawableList;
141
142 SkMiniRecorder* fMiniRecorder;
143};
144
145#endif//SkRecorder_DEFINED
146