diff --git a/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java b/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
index 0eab749..3eab911 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/resources/gallery/StrokesRest.java
@@ -62,4 +62,11 @@
     //
     @GET("gallery/{aid}/pageMap/{pid}/image")
     Call<String> getLayers(@Path("aid") Integer aid, @Path("pid") Integer pid);
+
+    //-----------------------------------------------------------------
+    //
+    @FormUrlEncoded
+    @POST("gallery/{aid}/pageMap/{pid}/image")
+    Call<String> addImage(@Path("aid") Integer aid, @Path("pid") Integer pid, @Field("image") String image);
+
 }
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