[sksg] Initial stroke wrapper support

TBR=

Change-Id: I33e2fe076334de34c4427e7bfe6b6aaa724130b2
Reviewed-on: https://skia-review.googlesource.com/89641
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
This commit is contained in:
Florin Malita 2017-12-27 16:54:05 -05:00 committed by Skia Commit-Bot
parent 7a4d067d88
commit f91d57b585
4 changed files with 91 additions and 0 deletions

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@ -1372,6 +1372,7 @@ if (skia_enable_tools) {
"experimental/sksg/geometry/SkSGPath.cpp",
"experimental/sksg/geometry/SkSGRect.cpp",
"experimental/sksg/paint/SkSGColor.cpp",
"experimental/sksg/paint/SkSGStroke.cpp",
]
deps = [
":skia",

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@ -51,6 +51,7 @@ private:
friend class Draw;
friend class EffectNode;
friend class Group;
friend class Stroke;
template <typename Func>
void forEachInvalReceiver(Func&&) const;

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@ -0,0 +1,38 @@
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkSGStroke.h"
namespace sksg {
Stroke::Stroke(sk_sp<PaintNode> paint)
: fPaint(std::move(paint)) {
fPaint->addInvalReceiver(this);
}
Stroke::~Stroke() {
fPaint->removeInvalReceiver(this);
}
void Stroke::onRevalidate(InvalidationController* ic, const SkMatrix& ctm) {
fPaint->revalidate(ic, ctm);
INHERITED::onRevalidate(ic, ctm);
}
SkPaint Stroke::onMakePaint() const {
SkPaint paint = fPaint->makePaint();
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(fStrokeWidth);
paint.setStrokeMiter(fStrokeMiter);
paint.setStrokeJoin(fStrokeJoin);
paint.setStrokeCap(fStrokeCap);
return paint;
}
} // namespace sksg

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@ -0,0 +1,51 @@
/*
* 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 SkSGStroke_DEFINED
#define SkSGStroke_DEFINED
#include "SkSGPaintNode.h"
#include "SkScalar.h"
namespace sksg {
/**
* Concrete Paint node wrapper, applying a stroke effect to an existing paint.
*/
class Stroke final : public PaintNode {
public:
static sk_sp<Stroke> Make(sk_sp<PaintNode> paint) {
return paint ? sk_sp<Stroke>(new Stroke(std::move(paint))) : nullptr;
}
SG_ATTRIBUTE(StrokeWidth, SkScalar , fStrokeWidth)
SG_ATTRIBUTE(StrokeMiter, SkScalar , fStrokeMiter)
SG_ATTRIBUTE(StrokeJoin , SkPaint::Join, fStrokeJoin )
SG_ATTRIBUTE(StrokeCap , SkPaint::Cap , fStrokeCap )
protected:
void onRevalidate(InvalidationController*, const SkMatrix&) override;
SkPaint onMakePaint() const override;
private:
explicit Stroke(sk_sp<PaintNode>);
~Stroke() override;
sk_sp<PaintNode> fPaint;
SkScalar fStrokeWidth = 1,
fStrokeMiter = 4;
SkPaint::Join fStrokeJoin = SkPaint::kMiter_Join;
SkPaint::Cap fStrokeCap = SkPaint::kButt_Cap;
typedef PaintNode INHERITED;
};
} // namespace sksg
#endif // SkSGStroke_DEFINED