fix bug: when loading a parsed layer tree, graph lines should be regenerated

fcore/app-with.sml

@@ -1007,8 +1007,8 @@ struct
         { mode
         , mouseX
         , mouseY
-        , xClickPoints
+        , xClickPoints = _
-        , yClickPoints
+        , yClickPoints = _
         , windowWidth
         , windowHeight
         , arrowX
@@ -1033,6 +1033,9 @@ struct
         if canvasWidth = 0 then 0 else Int.min (canvasWidth - 1, arrowX)
       val arrowY =
         if canvasHeight = 0 then 0 else Int.min (canvasHeight - 1, arrowY)
+      val (xClickPoints, yClickPoints) =
+        ClickPoints.generate
+          (windowWidth, windowHeight, canvasWidth, canvasHeight)
     in
       { mode = mode
       , mouseX = mouseX

fcore/normal-mode.sml

@@ -134,7 +134,7 @@ struct
 
   fun realToInt x = Real32.toInt IEEEReal.TO_NEAREST x
 
-  fun getDrawMessage (model: app_type) =
+  fun getDrawMessage (model: app_type, initialMsg) =
     let
       val
         { canvasWidth
@@ -165,8 +165,9 @@ struct
         , yClickPoints
         )
       val drawMsg = DRAW_SQUARES_AND_DOTS {squares = squares, dots = dotVec}
+      val drawMsg = DRAW (drawMsg) :: initialMsg
     in
-      (model, [DRAW drawMsg])
+      (model, drawMsg)
     end
 
   fun changePixel (model: app_type, hIdx, vIdx, pixel) =
@@ -179,7 +180,7 @@ struct
         (layer, hIdx, vIdx, maxSide, pixel, layerTree)
       val model = AppWith.layerTree (model, layerTree, hIdx, vIdx)
     in
-      getDrawMessage model
+      getDrawMessage (model, [])
     end
 
   fun addPixel (model: app_type, hIdx, vIdx) =
@@ -338,8 +339,14 @@ struct
     let
       val model =
         AppWith.parsedLayerTree (model, layerTree, canvasWidth, canvasHeight)
+
+      val graphLines =
+        if #showGraph model then GraphLines.generate model
+        else Vector.fromList []
+      val initialMsg = DRAW_GRAPH graphLines
+      val initialMsg = [DRAW initialMsg]
     in
-      getDrawMessage model
+      getDrawMessage (model, initialMsg)
     end
 
   fun enterBrowseMode model =

green.dsc

@@ -0,0 +1,3 @@
+24 3 {
+[  {0 1 0 1 0 0 0 1 } {1 0 22 0 0 0 0 1 } {1 1 22 1 239 239 239 1 } {1 2 22 2 0 0 0 1 } {23 1 23 1 0 0 0 1 } ]
+}