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 827ca44..0ef487d 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
@@ -1,4 +1,43 @@
 package org.ntlab.acanthus_client.resources.gallery;
 
+import org.ntlab.acanthus_client.entities.Position;
+import org.ntlab.acanthus_client.entities.Stroke;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.POST;
+import retrofit2.http.Path;
+
+//-----------------------------------------------------------------
+// RestAPI: /gallery/{aid}/pageMap/{pid}/layers/{layerNo}/
 public interface StrokesRest {
+
+    //-----------------------------------------------------------------
+    //
+    @GET("gallery/{aid}/pageMap/0/layers/0/strokes")
+    Call<ArrayList<Stroke>> getStrokes(@Path("aid") Integer aid);
+
+    //-----------------------------------------------------------------
+    //
+    @FormUrlEncoded
+    @POST("gallery/{aid}/pageMap/0/layers/0/strokes")
+    Call<Integer> addStrokes(@Path("aid") Integer aid, @Field("uid") Integer uid, @Field("uidToken") String uidToken,
+                    @Field("pen") Integer pen, @Field("color") Integer color, @Field("thick") Integer thick);
+
+    //-----------------------------------------------------------------
+    //
+    @GET("gallery/{aid}/pageMap/0/layers/0/strokes/{strokeNo}/position")
+    Call<ArrayList<Position>> getPositions(@Path("aid") Integer aid, @Path("strokeNo") Integer strokeNo);
+
+    //-----------------------------------------------------------------
+    //
+    @FormUrlEncoded
+    @POST("gallery/{aid}/pageMap/0/layers/0/strokes/{strokeNo}/position")
+    Call<Integer> addPositions(@Path("aid") Integer aid, @Path("strokeNo") Integer strokeNo,
+                               @Field("x") Float x, @Field("y") Float y);
+    //-----------------------------------------------------------------
 }