1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSGMerge_DEFINED
#define SkSGMerge_DEFINED
#include "SkSGGeometryNode.h"
#include "SkPath.h"
#include <vector>
class SkCanvas;
class SkPaint;
namespace sksg {
/**
* Concrete Geometry node, combining other geometries based on Mode.
*/
class Merge final : public GeometryNode {
public:
enum class Mode {
// Append path mode.
kMerge,
// SkPathOp ops.
kUnion,
kIntersect,
kDifference,
kReverseDifference,
kXOR,
};
static sk_sp<Merge> Make(std::vector<sk_sp<GeometryNode>>&& geos, Mode mode) {
return sk_sp<Merge>(new Merge(std::move(geos), mode));
}
~Merge() override;
protected:
void onClip(SkCanvas*, bool antiAlias) const override;
void onDraw(SkCanvas*, const SkPaint&) const override;
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
SkPath onAsPath() const override;
private:
Merge(std::vector<sk_sp<GeometryNode>>&& geos, Mode);
std::vector<sk_sp<GeometryNode>> fGeos;
SkPath fMerged;
Mode fMode;
using INHERITED = GeometryNode;
};
} // namespace sksg
#endif // SkSGMerge_DEFINED
|
