1 /*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "modules/sksg/include/SkSGScene.h"
9
10 #include "include/core/SkCanvas.h"
11 #include "include/core/SkMatrix.h"
12 #include "include/core/SkPaint.h"
13 #include "modules/sksg/include/SkSGInvalidationController.h"
14 #include "modules/sksg/include/SkSGRenderNode.h"
15
16 namespace sksg {
17
18 Animator::Animator() = default;
19 Animator::~Animator() = default;
20
tick(float t)21 void Animator::tick(float t) {
22 this->onTick(t);
23 }
24
GroupAnimator(AnimatorList && animators)25 GroupAnimator::GroupAnimator(AnimatorList&& animators)
26 : fAnimators(std::move(animators)) {}
27
onTick(float t)28 void GroupAnimator::onTick(float t) {
29 for (const auto& a : fAnimators) {
30 a->tick(t);
31 }
32 }
33
Make(sk_sp<RenderNode> root,AnimatorList && anims)34 std::unique_ptr<Scene> Scene::Make(sk_sp<RenderNode> root, AnimatorList&& anims) {
35 return root ? std::unique_ptr<Scene>(new Scene(std::move(root), std::move(anims))) : nullptr;
36 }
37
Scene(sk_sp<RenderNode> root,AnimatorList && animators)38 Scene::Scene(sk_sp<RenderNode> root, AnimatorList&& animators)
39 : fRoot(std::move(root))
40 , fAnimators(std::move(animators)) {}
41
42 Scene::~Scene() = default;
43
render(SkCanvas * canvas) const44 void Scene::render(SkCanvas* canvas) const {
45 // Ensure the SG is revalidated.
46 // Note: this is a no-op if the scene has already been revalidated - e.g. in animate().
47 fRoot->revalidate(nullptr, SkMatrix::I());
48 fRoot->render(canvas);
49 }
50
animate(float t,InvalidationController * ic)51 void Scene::animate(float t, InvalidationController* ic) {
52 for (const auto& anim : fAnimators) {
53 anim->tick(t);
54 }
55
56 fRoot->revalidate(ic, SkMatrix::I());
57 }
58
nodeAt(const SkPoint & p) const59 const RenderNode* Scene::nodeAt(const SkPoint& p) const {
60 return fRoot->nodeAt(p);
61 }
62
63 } // namespace sksg
64