Create BitmapUtils class for performance apct tests

b/28980976

Change-Id: I3c625f336b6e89352b3906244479da184858cc83

1 files changed, 56 insertions, 0 deletions

diff --git a/apct-tests/perftests/utils/src/android/perftests/utils/BitmapUtils.java b/apct-tests/perftests/utils/src/android/perftests/utils/BitmapUtils.java
new file mode 100644
index 000000000000..4d0d97196241
--- /dev/null
+++ b/apct-tests/perftests/utils/src/android/perftests/utils/BitmapUtils.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016 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 android.perftests.utils;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+public class BitmapUtils {
+    private static final String TAG = "BitmapUtils";
+
+    public static void saveBitmapIntoPNG(Context context, Bitmap bitmap, int resId) throws IOException {
+        // Save the image to the disk.
+        FileOutputStream out = null;
+        try {
+            String originalFilePath = context.getResources().getString(resId);
+            File originalFile = new File(originalFilePath);
+            String fileFullName = originalFile.getName();
+            String fileTitle = fileFullName.substring(0, fileFullName.lastIndexOf("."));
+
+            File externalFilesDir = context.getExternalFilesDir(null);
+            File outputFile = new File(externalFilesDir, fileTitle + "_generated.png");
+            if (!outputFile.exists()) {
+                outputFile.createNewFile();
+            }
+
+            out = new FileOutputStream(outputFile, false);
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
+            Log.v(TAG, "Write test No." + outputFile.getAbsolutePath() + " to file successfully.");
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (out != null) {
+                out.close();
+            }
+        }
+    }
+}