1 /*
2  * Copyright (C) 2024 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 package com.android.wallpaper.picker.preview.ui.util
18 
19 import android.graphics.PointF
20 import android.graphics.Rect
21 import com.android.wallpaper.picker.preview.ui.util.FullResImageViewUtil.getCropRect
22 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
23 
24 object SubsamplingScaleImageViewUtil {
25 
setOnNewCropListenernull26     fun SubsamplingScaleImageView.setOnNewCropListener(
27         onNewCrop: (crop: Rect, zoom: Float) -> Unit
28     ) {
29         setOnStateChangedListener(
30             object : SubsamplingScaleImageView.OnStateChangedListener {
31                 override fun onScaleChanged(p0: Float, p1: Int) {
32                     onNewCrop.invoke(getCropRect(), scale)
33                 }
34 
35                 override fun onCenterChanged(p0: PointF?, p1: Int) {
36                     onNewCrop.invoke(getCropRect(), scale)
37                 }
38             }
39         )
40     }
41 }
42