1 files changed, 58 insertions, 0 deletions
diff --git a/tests/src/com/android/wallpaper/testing/TestBitmapCropper.java b/tests/src/com/android/wallpaper/testing/TestBitmapCropper.java
new file mode 100644
index 0000000..7daeeab
--- /dev/null
+++ b/tests/src/com/android/wallpaper/testing/TestBitmapCropper.java
@@ -0,0 +1,58 @@
+/*
+ * 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);
+                    }
+                });
+    }
+}