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@Entry
16@Component
17struct lineMetrics1 {
18  @State StartIndex: number = 0
19  @State EndIndex: number = 0
20  @State Ascent: number = 0
21  @State Descent: number = 0
22  @State Height: number = 0
23  @State Width: number = 0
24  @State Left: number = 0
25  @State Baseline: number = 0
26  @State LineNumber: number = 0
27  @State TopHeight: number = 0
28  @State flags: number = 0
29  @State text: string = '点击'
30  controller: TextController = new TextController()
31  @State textStr: string = 'qwertyu'
32
33  build() {
34    Column() {
35      Text(this.textStr, { controller: this.controller })
36      Text(this.StartIndex + '').id('LineMetrics_1')
37      Text(this.EndIndex + '').id('LineMetrics_2')
38      Text(this.TopHeight + '').id('LineMetrics_3')
39      Button('getLineMetrics(1)')
40      .id('LineMetrics_4')
41      .onClick(() => {
42        let layoutManager: LayoutManager = this.controller.getLayoutManager()
43        let lineMetrics = layoutManager.getLineMetrics(0)
44        lineMetrics.startIndex = 1
45        this.StartIndex = Math.round(lineMetrics.startIndex)
46        lineMetrics.endIndex = 7
47        this.EndIndex = Math.round(lineMetrics.endIndex)
48        lineMetrics.topHeight = 10
49        this.TopHeight = Math.round(lineMetrics.topHeight)
50        console.log('aaa_1',JSON.stringify(lineMetrics))
51      })
52    }
53    .width('100%')
54    .height('100%')
55  }
56}