1 files changed, 27 insertions, 3 deletions
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 207a7d4af..54e7dd2bc 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -28,6 +28,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
+import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Paint;
@@ -51,7 +52,7 @@ import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 
-import com.android.launcher3.config.ProviderConfig;
+import com.android.launcher3.config.FeatureFlags;
 
 import java.io.ByteArrayOutputStream;
 import java.io.Closeable;
@@ -61,7 +62,6 @@ import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Locale;
-import java.util.Set;
 import java.util.concurrent.Executor;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -570,7 +570,7 @@ public final class Utilities {
             try {
                 c.close();
             } catch (IOException e) {
-                if (ProviderConfig.IS_DOGFOOD_BUILD) {
+                if (FeatureFlags.IS_DOGFOOD_BUILD) {
                     Log.d(TAG, "Error closing", e);
                 }
             }
@@ -646,4 +646,28 @@ public final class Utilities {
         hashSet.add(elem);
         return hashSet;
     }
+
+    /**
+     * @return creates a new alpha mask bitmap out of an existing bitmap
+     */
+    public static Bitmap convertToAlphaMask(Bitmap b, float applyAlpha) {
+        Bitmap a = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ALPHA_8);
+        Canvas c = new Canvas(a);
+        Paint paint = new Paint();
+        paint.setAlpha((int) (255f * applyAlpha));
+        c.drawBitmap(b, 0f, 0f, paint);
+        return a;
+    }
+
+    /**
+     * @return a new white 1x1 bitmap with ALPHA_8
+     */
+    public static Bitmap createOnePixBitmap() {
+        Bitmap a = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
+        Canvas c = new Canvas(a);
+        Paint paint = new Paint();
+        paint.setColor(Color.WHITE);
+        c.drawPaint(paint);
+        return a;
+    }
 }