diff --git a/jso/apis/src/main/java/org/teavm/jso/canvas/TextMetrics.java b/jso/apis/src/main/java/org/teavm/jso/canvas/TextMetrics.java
index 3ee81bcbf..3e99e8f58 100644
--- a/jso/apis/src/main/java/org/teavm/jso/canvas/TextMetrics.java
+++ b/jso/apis/src/main/java/org/teavm/jso/canvas/TextMetrics.java
@@ -20,5 +20,23 @@ import org.teavm.jso.JSProperty;
 
 public interface TextMetrics extends JSObject {
     @JSProperty
-    int getWidth();
+    double getWidth();
+
+    @JSProperty
+    double getActualBoundingBoxAscent();
+
+    @JSProperty
+    double getActualBoundingBoxDescent();
+
+    @JSProperty
+    double getActualBoundingBoxLeft();
+
+    @JSProperty
+    double getActualBoundingBoxRight();
+
+    @JSProperty
+    double getFontBoundingBoxAscent();
+
+    @JSProperty
+    double getFontBoundingBoxDescent();
 }