pinch.ets

/**
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * 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.
 */
import router from '@system.router';
import prompt from '@ohos.prompt';

@Entry
@Component
struct PinchTest {
  @State  myscale: number = 1

  build() {
    Column() {
      Image($r('app.media.test'))
        .objectFit(ImageFit.Auto)
        .height(200)
        .width(200)
        .position({x:150, y:200})
        .scale({ x: this.myscale, y: this.myscale, z: this.myscale })
        .gesture(
        PinchGesture()
          .onActionStart((event: GestureEvent) => {
            console.info('Pinch start')
          })
          .onActionUpdate((event: GestureEvent) => {
            this.myscale = event.scale
          })
          .onActionEnd(() => {
            console.info('Pinch end')
          })
        )
    }
    .width('100%')
    .height('100%')
  }
}