1 files changed, 43 insertions, 0 deletions
diff --git a/core/java/android/view/DisplayCutout.java b/core/java/android/view/DisplayCutout.java
index 1ef5f0950b16..a61c8c1dba68 100644
--- a/core/java/android/view/DisplayCutout.java
+++ b/core/java/android/view/DisplayCutout.java
@@ -23,6 +23,8 @@ import static android.view.Surface.ROTATION_180;
 import static android.view.Surface.ROTATION_270;
 import static android.view.Surface.ROTATION_90;
 
+import android.content.res.Resources;
+import android.graphics.Matrix;
 import android.graphics.Path;
 import android.graphics.Point;
 import android.graphics.Rect;
@@ -30,8 +32,12 @@ import android.graphics.RectF;
 import android.graphics.Region;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.PathParser;
 import android.util.proto.ProtoOutputStream;
 
+import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
 
 import java.util.List;
@@ -43,6 +49,9 @@ import java.util.List;
  */
 public final class DisplayCutout {
 
+    private static final String TAG = "DisplayCutout";
+    private static final String DP_MARKER = "@dp";
+
     private static final Rect ZERO_RECT = new Rect();
     private static final Region EMPTY_REGION = new Region();
 
@@ -312,6 +321,40 @@ public final class DisplayCutout {
     }
 
     /**
+     * Creates an instance according to @android:string/config_mainBuiltInDisplayCutout.
+     *
+     * @hide
+     */
+    public static DisplayCutout fromResources(Resources res, int displayWidth) {
+        String spec = res.getString(R.string.config_mainBuiltInDisplayCutout);
+        if (TextUtils.isEmpty(spec)) {
+            return null;
+        }
+        spec = spec.trim();
+        final boolean inDp = spec.endsWith(DP_MARKER);
+        if (inDp) {
+            spec = spec.substring(0, spec.length() - DP_MARKER.length());
+        }
+
+        Path p;
+        try {
+            p = PathParser.createPathFromPathData(spec);
+        } catch (Throwable e) {
+            Log.wtf(TAG, "Could not inflate cutout: ", e);
+            return null;
+        }
+
+        final Matrix m = new Matrix();
+        if (inDp) {
+            final float dpToPx = res.getDisplayMetrics().density;
+            m.postScale(dpToPx, dpToPx);
+        }
+        m.postTranslate(displayWidth / 2f, 0);
+        p.transform(m);
+        return fromBounds(p);
+    }
+
+    /**
      * Helper class for passing {@link DisplayCutout} through binder.
      *
      * Needed, because {@code readFromParcel} cannot be used with immutable classes.