d62d406aa2
This reverts commit 2bafb64ed3.
Change-Id: I46f29284546a8978fd0005a0937e28410e5ac0da
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/220518
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
88 lines
2.0 KiB
C++
88 lines
2.0 KiB
C++
/*
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* Copyright 2019 Google LLC.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "experimental/xform/SkXform.h"
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static std::atomic<uint32_t> gGenID{1};
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Xform::GenID Xform::NextGenID() {
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return gGenID++;
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}
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#ifdef SK_DEBUG
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void Xform::debugValidate() const {
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if (this->isCached() && fParent) {
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SkASSERT(fParent->isCached());
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}
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for (auto c : fChildren) {
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SkASSERT(c->parent() == this);
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c->debugValidate();
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}
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}
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#endif
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void Xform::setParent(sk_sp<Xform> parent) {
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if (parent == fParent) {
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return;
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}
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if (fParent) {
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fParent->internalRemoveChild(this);
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}
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if (parent) {
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parent->internalAddChild(this);
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}
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fParent = std::move(parent);
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// Potentially we could skip this if knew that our old and new parents
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// were both cached, and they started us in the same state...
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// For now, we conservatively always inval
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this->invalidateCaches();
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this->debugValidate();
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}
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void Xform::internalAddChild(Xform* child) {
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SkASSERT(fChildren.find(child) < 0);
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fChildren.push_back(child);
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}
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void Xform::internalRemoveChild(Xform* child) {
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int index = fChildren.find(child);
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SkASSERT(index >= 0);
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fChildren.removeShuffle(index);
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}
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void Xform::invalidateCaches() {
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fGenID = 0;
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if (this->isCached()) {
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this->internalInvalidateCaches();
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for (auto c : fChildren) {
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c->invalidateCaches();
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}
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}
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}
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void Xform::visit(XformResolver* resolver) {
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this->onVisit(resolver);
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}
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void Xform::setCache(const SkMatrix& ctm, sk_sp<ClipCache> clip) {
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fCTM = ctm;
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fClip = std::move(clip);
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fGenID = NextGenID();
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////
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void MatrixXF::onVisit(XformResolver* resolver) {
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resolver->concat(fLocalMatrix);
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}
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void ClipXF::onVisit(XformResolver* resolver) {
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resolver->clipRect(fRect, fOp);
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}
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