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      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 
     18 #include "TestSceneBase.h"
     19 
     20 class RectGridAnimation;
     21 
     22 static TestScene::Registrar _RectGrid(TestScene::Info{
     23     "rectgrid",
     24     "A dense grid of 1x1 rects that should visually look like a single rect. "
     25     "Low CPU/GPU load.",
     26     TestScene::simpleCreateScene<RectGridAnimation>
     27 });
     28 
     29 class RectGridAnimation : public TestScene {
     30 public:
     31     sp<RenderNode> card;
     32     void createContent(int width, int height, TestCanvas& canvas) override {
     33         canvas.drawColor(0xFFFFFFFF, SkXfermode::kSrcOver_Mode);
     34         canvas.insertReorderBarrier(true);
     35 
     36         card = TestUtils::createNode(50, 50, 250, 250,
     37                 [](RenderProperties& props, TestCanvas& canvas) {
     38             canvas.drawColor(0xFFFF00FF, SkXfermode::kSrcOver_Mode);
     39 
     40             SkRegion region;
     41             for (int xOffset = 0; xOffset < 200; xOffset+=2) {
     42                 for (int yOffset = 0; yOffset < 200; yOffset+=2) {
     43                     region.op(xOffset, yOffset, xOffset + 1, yOffset + 1, SkRegion::kUnion_Op);
     44                 }
     45             }
     46 
     47             SkPaint paint;
     48             paint.setColor(0xff00ffff);
     49             canvas.drawRegion(region, paint);
     50         });
     51         canvas.drawRenderNode(card.get());
     52 
     53         canvas.insertReorderBarrier(false);
     54     }
     55     void doFrame(int frameNr) override {
     56         int curFrame = frameNr % 150;
     57         card->mutateStagingProperties().setTranslationX(curFrame);
     58         card->mutateStagingProperties().setTranslationY(curFrame);
     59         card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
     60     }
     61 };
     62