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 #include "utils/Color.h" 19 20 class RecentsAnimation; 21 22 static TestScene::Registrar _Recents(TestScene::Info{ 23 "recents", 24 "A recents-like scrolling list of textures. " 25 "Consists of updating a texture every frame", 26 TestScene::simpleCreateScene<RecentsAnimation> 27 }); 28 29 class RecentsAnimation : public TestScene { 30 public: createContent(int width,int height,Canvas & renderer)31 void createContent(int width, int height, Canvas& renderer) override { 32 static SkColor COLORS[] = { 33 Color::Red_500, 34 Color::Purple_500, 35 Color::Blue_500, 36 Color::Green_500, 37 }; 38 39 thumbnailSize = std::min(std::min(width, height) / 2, 720); 40 int cardsize = std::min(width, height) - dp(64); 41 42 renderer.drawColor(Color::White, SkBlendMode::kSrcOver); 43 renderer.insertReorderBarrier(true); 44 45 int x = dp(32); 46 for (int i = 0; i < 4; i++) { 47 int y = (height / 4) * i; 48 SkBitmap bitmap; 49 sk_sp<Bitmap> thumb(TestUtils::createBitmap(thumbnailSize, thumbnailSize, &bitmap)); 50 51 bitmap.eraseColor(COLORS[i]); 52 sp<RenderNode> card = createCard(x, y, cardsize, cardsize, *thumb); 53 card->mutateStagingProperties().setElevation(i * dp(8)); 54 renderer.drawRenderNode(card.get()); 55 mThumbnail = bitmap; 56 mCards.push_back(card); 57 } 58 59 renderer.insertReorderBarrier(false); 60 } 61 doFrame(int frameNr)62 void doFrame(int frameNr) override { 63 int curFrame = frameNr % 150; 64 for (size_t ci = 0; ci < mCards.size(); ci++) { 65 mCards[ci]->mutateStagingProperties().setTranslationY(curFrame); 66 mCards[ci]->setPropertyFieldsDirty(RenderNode::Y); 67 } 68 mThumbnail.eraseColor(TestUtils::interpolateColor( 69 curFrame / 150.0f, Color::Green_500, Color::DeepOrange_500)); 70 } 71 72 private: createCard(int x,int y,int width,int height,Bitmap & thumb)73 sp<RenderNode> createCard(int x, int y, int width, int height, Bitmap& thumb) { 74 return TestUtils::createNode(x, y, x + width, y + height, 75 [&thumb, width, height](RenderProperties& props, Canvas& canvas) { 76 props.setElevation(dp(16)); 77 props.mutableOutline().setRoundRect(0, 0, width, height, dp(10), 1); 78 props.mutableOutline().setShouldClip(true); 79 80 canvas.drawColor(Color::Grey_200, SkBlendMode::kSrcOver); 81 canvas.drawBitmap(thumb, 0, 0, thumb.width(), thumb.height(), 82 0, 0, width, height, nullptr); 83 }); 84 } 85 86 SkBitmap mThumbnail; 87 std::vector< sp<RenderNode> > mCards; 88 int thumbnailSize; 89 }; 90