skia2/experimental/sksg/SkSGPaintNode.cpp
Florin Malita 1586d85198 [skotty] Refactor paint opacity
Promote to a PaintNode attribute, drop color composite.

TBR=
Change-Id: Ia79d5f7e193a472d53ac4ff8beb7234d4dc26cef
Reviewed-on: https://skia-review.googlesource.com/94280
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-01-12 19:48:03 +00:00

41 lines
1.0 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.
*/
#include "SkSGPaintNode.h"
namespace sksg {
// Paint nodes don't generate damage on their own, but via their aggregation ancestor Draw nodes.
PaintNode::PaintNode() : INHERITED(kBubbleDamage_Trait) {}
const SkPaint& PaintNode::makePaint() {
SkASSERT(!this->hasInval());
return fPaint;
}
SkRect PaintNode::onRevalidate(InvalidationController*, const SkMatrix&) {
SkASSERT(this->hasInval());
fPaint.reset();
fPaint.setAntiAlias(fAntiAlias);
fPaint.setStyle(fStyle);
fPaint.setStrokeWidth(fStrokeWidth);
fPaint.setStrokeMiter(fStrokeMiter);
fPaint.setStrokeJoin(fStrokeJoin);
fPaint.setStrokeCap(fStrokeCap);
this->onApplyToPaint(&fPaint);
// Compose opacity on top of the subclass value.
fPaint.setAlpha(SkScalarRoundToInt(fPaint.getAlpha() * SkTPin<SkScalar>(fOpacity, 0, 1)));
return SkRect::MakeEmpty();
}
} // namespace sksg