1 /*
2  * Copyright (C) 2016 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 
19 #include <SkBlendMode.h>
20 
21 class HwLayerSizeAnimation;
22 
23 static TestScene::Registrar _HwLayerSize(TestScene::Info{
24         "hwlayersize",
25         "A nested pair of nodes with LayerType::RenderLayer(hardware) set on the child and "
26         "LayerType::None on the parent. "
27         "Tests animating the size of a hardware layer.",
28         TestScene::simpleCreateScene<HwLayerSizeAnimation>});
29 
30 class HwLayerSizeAnimation : public TestScene {
31 public:
32     sp<RenderNode> card;
createContent(int width,int height,Canvas & canvas)33     void createContent(int width, int height, Canvas& canvas) override {
34         card = TestUtils::createNode(0, 0, 200, 200, [](RenderProperties& props, Canvas& canvas) {
35             props.mutateLayerProperties().setType(LayerType::RenderLayer);
36             canvas.drawColor(0xFF0000FF, SkBlendMode::kSrcOver);
37         });
38         canvas.drawColor(0xFFFFFFFF, SkBlendMode::kSrcOver);  // background
39         canvas.drawRenderNode(card.get());
40     }
doFrame(int frameNr)41     void doFrame(int frameNr) override {
42         int curFrame = frameNr % 150;
43         // we animate left and top coordinates, which in turn animates width and
44         // height (bottom/right coordinates are fixed)
45         card->mutateStagingProperties().setLeftTop(curFrame, curFrame);
46         card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
47     }
48 };
49