blob: c4fd0120e5ad9d86947a26321c978962b40e8e98 (
plain)
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
|
/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSGMaskEffect_DEFINED
#define SkSGMaskEffect_DEFINED
#include "SkSGEffectNode.h"
namespace sksg {
/**
* Concrete Effect node, applying a mask to its descendants.
*
*/
class MaskEffect final : public EffectNode {
public:
enum class Mode {
kNormal,
kInvert
};
static sk_sp<MaskEffect> Make(sk_sp<RenderNode> child, sk_sp<RenderNode> mask,
Mode mode = Mode::kNormal) {
return (child && mask)
? sk_sp<MaskEffect>(new MaskEffect(std::move(child), std::move(mask), mode))
: nullptr;
}
~MaskEffect() override;
protected:
MaskEffect(sk_sp<RenderNode>, sk_sp<RenderNode> mask, Mode);
void onRender(SkCanvas*) const override;
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
private:
const sk_sp<RenderNode> fMaskNode;
const Mode fMaskMode;
typedef EffectNode INHERITED;
};
} // namespace sksg
#endif // SkSGMaskEffect_DEFINED
|
