@@ -725,7 +725,8 @@ class VectorGraphicsBuffer {
   void _putUint16List(Uint16List list) {
     assert(!_isDone);
     _alignTo(2);
-    _buffer.addAll(list);
+    _buffer
+        .addAll(list.buffer.asUint8List(list.offsetInBytes, 2 * list.length));
   }
 
   /// Write all the values from a [Float32List] into the buffer.
 
@@ -131,6 +131,63 @@ void main() {
     ]);
   });
 
+  test('Basic message encode and decode with stroked vertex and indexes', () {
+    final buffer = VectorGraphicsBuffer();
+    final TestListener listener = TestListener();
+    final int paintId = codec.writeStroke(buffer, 44, 1, 2, 3, 4.0, 6.0);
+    codec.writeDrawVertices(
+      buffer,
+      Float32List.fromList([
+        0.0,
+        2.0,
+        3.0,
+        4.0,
+        2.0,
+        4.0,
+      ]),
+      Uint16List.fromList([
+        0,
+        1,
+        2,
+        3,
+        4,
+        5,
+      ]),
+      paintId,
+    );
+
+    codec.decode(buffer.done(), listener);
+
+    expect(listener.commands, [
+      OnPaintObject(
+        color: 44,
+        strokeCap: 1,
+        strokeJoin: 2,
+        blendMode: 3,
+        strokeMiterLimit: 4.0,
+        strokeWidth: 6.0,
+        paintStyle: 1,
+        id: paintId,
+        shaderId: null,
+      ),
+      OnDrawVertices([
+        0.0,
+        2.0,
+        3.0,
+        4.0,
+        2.0,
+        4.0,
+      ], [
+        0,
+        1,
+        2,
+        3,
+        4,
+        5,
+      ], paintId),
+    ]);
+  });
+
   test('Can encode opacity/save/restore layers', () {
     final buffer = VectorGraphicsBuffer();
     final TestListener listener = TestListener();
Original file line number	Diff line number	Diff line change
`@@ -725,7 +725,8 @@ class VectorGraphicsBuffer {`
`725`	`725`	`void _putUint16List(Uint16List list) {`
`726`	`726`	`assert(!_isDone);`
`727`	`727`	`_alignTo(2);`
`728`		`- _buffer.addAll(list);`
	`728`	`+ _buffer`
	`729`	`+ .addAll(list.buffer.asUint8List(list.offsetInBytes, 2 * list.length));`
`729`	`730`	`}`
`730`	`731`
`731`	`732`	`/// Write all the values from a [Float32List] into the buffer.`