1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "TestSceneBase.h"
18
19class ClippingAnimation;
20
21static TestScene::Registrar _RectGrid(TestScene::Info{
22        "clip",
23        "Complex clip cases"
24        "Low CPU/GPU load.",
25        TestScene::simpleCreateScene<ClippingAnimation>});
26
27class ClippingAnimation : public TestScene {
28public:
29    sp<RenderNode> card;
30    void createContent(int width, int height, Canvas& canvas) override {
31        canvas.drawColor(Color::White, SkBlendMode::kSrcOver);
32        card = TestUtils::createNode(0, 0, 200, 400, [](RenderProperties& props, Canvas& canvas) {
33            canvas.save(SaveFlags::MatrixClip);
34            {
35                canvas.clipRect(0, 0, 200, 200, SkClipOp::kIntersect);
36                canvas.translate(100, 100);
37                canvas.rotate(45);
38                canvas.translate(-100, -100);
39                canvas.clipRect(0, 0, 200, 200, SkClipOp::kIntersect);
40                canvas.drawColor(Color::Blue_500, SkBlendMode::kSrcOver);
41            }
42            canvas.restore();
43
44            canvas.save(SaveFlags::MatrixClip);
45            {
46                SkPath clipCircle;
47                clipCircle.addCircle(100, 300, 100);
48                canvas.clipPath(&clipCircle, SkClipOp::kIntersect);
49                canvas.drawColor(Color::Red_500, SkBlendMode::kSrcOver);
50            }
51            canvas.restore();
52
53            // put on a layer, to test stencil attachment
54            props.mutateLayerProperties().setType(LayerType::RenderLayer);
55            props.setAlpha(0.9f);
56        });
57        canvas.drawRenderNode(card.get());
58    }
59    void doFrame(int frameNr) override {
60        int curFrame = frameNr % 150;
61        card->mutateStagingProperties().setTranslationX(curFrame);
62        card->mutateStagingProperties().setTranslationY(curFrame);
63        card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
64    }
65};
66