/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "TestSceneBase.h" #include "utils/Color.h" class TextAnimation; static TestScene::Registrar _Text(TestScene::Info{ "text", "Draws a bunch of text.", TestScene::simpleCreateScene }); class TextAnimation : public TestScene { public: sp card; void createContent(int width, int height, TestCanvas& canvas) override { canvas.drawColor(Color::White, SkXfermode::kSrcOver_Mode); card = TestUtils::createNode(0, 0, width, height, [](RenderProperties& props, TestCanvas& canvas) { SkPaint paint; paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); paint.setAntiAlias(true); paint.setTextSize(50); paint.setColor(Color::Black); for (int i = 0; i < 10; i++) { TestUtils::drawUtf8ToCanvas(&canvas, "Test string", paint, 400, i * 100); } SkPath path; path.addOval(SkRect::MakeLTRB(100, 100, 300, 300)); paint.setColor(Color::Blue_500); TestUtils::drawUtf8ToCanvas(&canvas, "This is a neat circle of text!", paint, path); }); canvas.drawRenderNode(card.get()); } void doFrame(int frameNr) override { int curFrame = frameNr % 150; card->mutateStagingProperties().setTranslationX(curFrame); card->mutateStagingProperties().setTranslationY(curFrame); card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); } };