skia2/experimental/sksg/SkSGScene.cpp
Florin Malita cca86f386c [skottie] Hierarchical animators
Instead of a flat animator space, introduce animator groups.

This allows us to encapsulate layer animators and only dispatch ticks
when their owning layer is active.

TBR=

Change-Id: I1fc8a55abf68a712b71969bb1a11275dbe54c236
Reviewed-on: https://skia-review.googlesource.com/101201
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-01-29 16:16:21 +00:00

71 lines
1.6 KiB
C++

/*
* 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 "SkSGScene.h"
#include "SkCanvas.h"
#include "SkMatrix.h"
#include "SkPaint.h"
#include "SkSGInvalidationController.h"
#include "SkSGRenderNode.h"
namespace sksg {
Animator::Animator() = default;
Animator::~Animator() = default;
void Animator::tick(float t) {
this->onTick(t);
}
GroupAnimator::GroupAnimator(AnimatorList&& animators)
: fAnimators(std::move(animators)) {}
void GroupAnimator::onTick(float t) {
for (const auto& a : fAnimators) {
a->tick(t);
}
}
std::unique_ptr<Scene> Scene::Make(sk_sp<RenderNode> root, AnimatorList&& anims) {
return root ? std::unique_ptr<Scene>(new Scene(std::move(root), std::move(anims))) : nullptr;
}
Scene::Scene(sk_sp<RenderNode> root, AnimatorList&& animators)
: fRoot(std::move(root))
, fAnimators(std::move(animators)) {}
Scene::~Scene() = default;
void Scene::render(SkCanvas* canvas) const {
InvalidationController ic;
fRoot->revalidate(&ic, SkMatrix::I());
fRoot->render(canvas);
if (fShowInval) {
SkPaint fill, stroke;
fill.setAntiAlias(true);
fill.setColor(0x40ff0000);
stroke.setAntiAlias(true);
stroke.setColor(0xffff0000);
stroke.setStyle(SkPaint::kStroke_Style);
for (const auto& r : ic) {
canvas->drawRect(r, fill);
canvas->drawRect(r, stroke);
}
}
}
void Scene::animate(float t) {
for (const auto& anim : fAnimators) {
anim->tick(t);
}
}
} // namespace sksg