1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9#ifndef SkNWayCanvas_DEFINED
10#define SkNWayCanvas_DEFINED
11
12#include "include/core/SkCanvasVirtualEnforcer.h"
13#include "include/private/SkTDArray.h"
14#include "include/utils/SkNoDrawCanvas.h"
15
16class SK_API SkNWayCanvas : public SkCanvasVirtualEnforcer<SkNoDrawCanvas> {
17public:
18 SkNWayCanvas(int width, int height);
19 ~SkNWayCanvas() override;
20
21 virtual void addCanvas(SkCanvas*);
22 virtual void removeCanvas(SkCanvas*);
23 virtual void removeAll();
24
25protected:
26 SkTDArray<SkCanvas*> fList;
27
28 void willSave() override;
29 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
30 bool onDoSaveBehind(const SkRect*) override;
31 void willRestore() override;
32
33 void onMarkCTM(const char*) override;
34 void didConcat44(const SkM44&) override;
35 void didConcat(const SkMatrix&) override;
36 void didSetMatrix(const SkMatrix&) override;
37 void didScale(SkScalar, SkScalar) override;
38 void didTranslate(SkScalar, SkScalar) override;
39
40 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
41 void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
42 const SkPaint& paint) override;
43 void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
44 const SkPoint texCoords[4], SkBlendMode, const SkPaint& paint) override;
45
46 void onDrawPaint(const SkPaint&) override;
47 void onDrawBehind(const SkPaint&) override;
48 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
49 void onDrawRect(const SkRect&, const SkPaint&) override;
50 void onDrawRegion(const SkRegion&, const SkPaint&) override;
51 void onDrawOval(const SkRect&, const SkPaint&) override;
52 void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
53 void onDrawRRect(const SkRRect&, const SkPaint&) override;
54 void onDrawPath(const SkPath&, const SkPaint&) override;
55 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
56 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
57 const SkPaint*, SrcRectConstraint) override;
58 void onDrawImageLattice(const SkImage*, const Lattice&, const SkRect&, const SkPaint*) override;
59 void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
60 const SkPaint*) override;
61 void onDrawVerticesObject(const SkVertices*, SkBlendMode, const SkPaint&) override;
62 void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[],
63 int, SkBlendMode, const SkRect*, const SkPaint*) override;
64 void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
65
66 void onClipRect(const SkRect&, SkClipOp, ClipEdgeStyle) override;
67 void onClipRRect(const SkRRect&, SkClipOp, ClipEdgeStyle) override;
68 void onClipPath(const SkPath&, SkClipOp, ClipEdgeStyle) override;
69 void onClipShader(sk_sp<SkShader>, SkClipOp) override;
70 void onClipRegion(const SkRegion&, SkClipOp) override;
71
72 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
73 void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
74 void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
75
76 void onDrawEdgeAAQuad(const SkRect&, const SkPoint[4], QuadAAFlags, const SkColor4f&,
77 SkBlendMode) override;
78 void onDrawEdgeAAImageSet(const ImageSetEntry[], int count, const SkPoint[], const SkMatrix[],
79 const SkPaint*, SrcRectConstraint) override;
80
81 void onFlush() override;
82
83 class Iter;
84
85private:
86 typedef SkCanvasVirtualEnforcer<SkNoDrawCanvas> INHERITED;
87};
88
89
90#endif
91