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 "SkSGScene.h"
9
10 #include "SkCanvas.h"
11 #include "SkMatrix.h"
12 #include "SkPaint.h"
13 #include "SkSGInvalidationController.h"
14 #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 InvalidationController ic;
46 fRoot->revalidate(&ic, SkMatrix::I());
47 fRoot->render(canvas);
48
49 if (fShowInval) {
50 SkPaint fill, stroke;
51 fill.setAntiAlias(true);
52 fill.setColor(0x40ff0000);
53 stroke.setAntiAlias(true);
54 stroke.setColor(0xffff0000);
55 stroke.setStyle(SkPaint::kStroke_Style);
56
57 for (const auto& r : ic) {
58 canvas->drawRect(r, fill);
59 canvas->drawRect(r, stroke);
60 }
61 }
62 }
63
animate(float t)64 void Scene::animate(float t) {
65 for (const auto& anim : fAnimators) {
66 anim->tick(t);
67 }
68 }
69
70 } // namespace sksg
71