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