skia2/experimental/sksg/effects/SkSGMaskEffect.h
Florin Malita a016be9499 [skottie] Inverted matte support
TBR=

Change-Id: I761d80d27d9a737710123a183af37135c270b8a7
Reviewed-on: https://skia-review.googlesource.com/112162
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-03-05 20:11:05 +00:00

52 lines
1.1 KiB
C++

/*
* 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