51b8c89b1c
TBR= Change-Id: I5b612c5aade23f727a3622daeff2534f68e6b66a Reviewed-on: https://skia-review.googlesource.com/91404 Reviewed-by: Florin Malita <fmalita@chromium.org> Commit-Queue: Florin Malita <fmalita@chromium.org>
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
|
|
* 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 SkSGTrimEffect_DEFINED
|
|
#define SkSGTrimEffect_DEFINED
|
|
|
|
#include "SkSGGeometryNode.h"
|
|
|
|
#include "SkPath.h"
|
|
|
|
class SkCanvas;
|
|
class SkPaint;
|
|
|
|
namespace sksg {
|
|
|
|
/**
|
|
* Concrete Geometry node, applying a trim effect to its child.
|
|
*/
|
|
class TrimEffect final : public GeometryNode {
|
|
public:
|
|
static sk_sp<TrimEffect> Make(sk_sp<GeometryNode> child) {
|
|
return child ? sk_sp<TrimEffect>(new TrimEffect(std::move(child))) : nullptr;
|
|
}
|
|
|
|
~TrimEffect() override;
|
|
|
|
SG_ATTRIBUTE(Start , SkScalar, fStart )
|
|
SG_ATTRIBUTE(End , SkScalar, fEnd )
|
|
SG_ATTRIBUTE(Offset, SkScalar, fOffset)
|
|
|
|
protected:
|
|
void onDraw(SkCanvas*, const SkPaint&) const override;
|
|
|
|
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
|
|
SkPath onAsPath() const override;
|
|
|
|
private:
|
|
explicit TrimEffect(sk_sp<GeometryNode>);
|
|
|
|
const sk_sp<GeometryNode> fChild;
|
|
|
|
SkScalar fStart = 0, // starting t
|
|
fEnd = 1, // ending t
|
|
fOffset = 0; // t offset
|
|
};
|
|
|
|
} // namespace sksg
|
|
|
|
#endif // SkSGTrimEffect_DEFINED
|