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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkSGGeometryTransform.h"
#include "SkCanvas.h"
namespace sksg {
GeometryTransform::GeometryTransform(sk_sp<GeometryNode> child, sk_sp<Matrix> matrix)
: fChild(std::move(child))
, fMatrix(std::move(matrix)) {
this->observeInval(fChild);
this->observeInval(fMatrix);
}
GeometryTransform::~GeometryTransform() {
this->unobserveInval(fChild);
this->unobserveInval(fMatrix);
}
void GeometryTransform::onClip(SkCanvas* canvas, bool antiAlias) const {
canvas->clipPath(fTransformed, SkClipOp::kIntersect, antiAlias);
}
void GeometryTransform::onDraw(SkCanvas* canvas, const SkPaint& paint) const {
canvas->drawPath(fTransformed, paint);
}
SkRect GeometryTransform::onRevalidate(InvalidationController* ic, const SkMatrix& ctm) {
SkASSERT(this->hasInval());
// We don't care about matrix reval results.
fMatrix->revalidate(ic, ctm);
const auto& m = fMatrix->getMatrix();
auto bounds = fChild->revalidate(ic, ctm);
fTransformed = fChild->asPath();
fTransformed.transform(m);
m.mapRect(&bounds);
return bounds;
}
SkPath GeometryTransform::onAsPath() const {
return fTransformed;
}
} // namespace sksg
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