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 TextAnimation; 21 22 static TestScene::Registrar _Text(TestScene::Info{ 23 "text", 24 "Draws a bunch of text.", 25 TestScene::simpleCreateScene<TextAnimation> 26 }); 27 28 class TextAnimation : public TestScene { 29 public: 30 sp<RenderNode> card; 31 void createContent(int width, int height, Canvas& canvas) override { 32 canvas.drawColor(Color::White, SkBlendMode::kSrcOver); 33 card = TestUtils::createNode(0, 0, width, height, 34 [](RenderProperties& props, Canvas& canvas) { 35 SkPaint paint; 36 paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); 37 paint.setAntiAlias(true); 38 paint.setTextSize(50); 39 40 paint.setColor(Color::Black); 41 for (int i = 0; i < 10; i++) { 42 TestUtils::drawUtf8ToCanvas(&canvas, "Test string", paint, 400, i * 100); 43 } 44 45 SkPath path; 46 path.addOval(SkRect::MakeLTRB(100, 100, 300, 300)); 47 48 paint.setColor(Color::Blue_500); 49 TestUtils::drawUtf8ToCanvas(&canvas, "This is a neat circle of text!", paint, path); 50 }); 51 canvas.drawRenderNode(card.get()); 52 } 53 54 void doFrame(int frameNr) override { 55 int curFrame = frameNr % 150; 56 card->mutateStagingProperties().setTranslationX(curFrame); 57 card->mutateStagingProperties().setTranslationY(curFrame); 58 card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); 59 } 60 }; 61
