1/* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 17import { RenderNode } from '@kit.ArkUI' 18import { drawing } from '@kit.ArkGraphics2D' 19 20class TextRenderNode extends RenderNode { 21 async draw(context: DrawContext) { 22 const canvas = context.canvas; 23 const brush = new drawing.Brush(); 24 brush.setColor({ 25 alpha: 255, 26 red: 255, 27 green: 0, 28 blue: 0 29 }); 30 const font = new drawing.Font(); 31 font.setSize(100); 32 const textBlob = drawing.TextBlob.makeFromString('Hello World', font, drawing.TextEncoding.TEXT_ENCODING_UTF8); 33 canvas.attachBrush(brush); 34 canvas.drawTextBlob(textBlob, 90, 500); 35 } 36} 37 38export default TextRenderNode; 39