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/*
* Copyright (C) 2019 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 com.android.wallpaper.testing;
import android.graphics.Bitmap;
import android.graphics.Rect;
import com.android.wallpaper.asset.Asset;
import com.android.wallpaper.asset.Asset.BitmapReceiver;
import com.android.wallpaper.module.BitmapCropper;
/**
* Test double for BitmapCropper.
*/
public class TestBitmapCropper implements BitmapCropper {
private boolean mFailNextCall;
public TestBitmapCropper() {
mFailNextCall = false;
}
@Override
public void cropAndScaleBitmap(Asset asset, float scale, Rect cropRect,
Callback callback) {
if (mFailNextCall) {
callback.onError(null /* throwable */);
return;
}
// Crop rect in pixels of source image.
Rect scaledCropRect = new Rect(
Math.round((float) cropRect.left / scale),
Math.round((float) cropRect.top / scale),
Math.round((float) cropRect.right / scale),
Math.round((float) cropRect.bottom / scale));
asset.decodeBitmapRegion(scaledCropRect, cropRect.width(), cropRect.height(),
new BitmapReceiver() {
@Override
public void onBitmapDecoded(Bitmap bitmap) {
callback.onBitmapCropped(bitmap);
}
});
}
}
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