tools/android/webgpu/src/androidTest/java/androidx/webgpu/BitmapUtils.kt

/*
 * Copyright 2025 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.
 */
package androidx.webgpu

import android.graphics.Bitmap
import android.os.Environment
import java.io.BufferedOutputStream
import java.io.File
import java.io.FileOutputStream

fun writeReferenceImage(bitmap: Bitmap) {
  val path =
    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
  val file = File("${path}${File.separator}${"reference.png"}")
  BufferedOutputStream(FileOutputStream(file)).use {
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, it)
    it.close()
  }
}