Add a DPI calculator to help to find the correct image resolution.
[master-thesis.git] / Parasitemia / ParasitemiaUI / GUI.fs
index 3746461..8438b4b 100644 (file)
@@ -21,52 +21,16 @@ open Types
 
 let run (defaultConfig: Config) (fileToOpen: string option) =
     let app = new Application()
-    let mainWindow = Views.MainWindow()
-    let ctrl (name: string): 'a = mainWindow.Root.FindName(name) :?> 'a
+    let win = Views.MainWindow()
 
     let state = State.State(defaultConfig)
     let mutable currentScale = 1.
     let mutable displayHealthy = false
     let warningBelowNumberOfRBC = 1000
 
-    let menuExit: MenuItem = ctrl "menuExit"
-    let menuSaveFile: MenuItem = ctrl "menuSave"
-    let menuSaveAsFile: MenuItem = ctrl "menuSaveAs"
-    let menuLoadFile: MenuItem = ctrl "menuOpen"
-    let menuNewFile: MenuItem = ctrl "menuNew"
-    let menuExportResults: MenuItem = ctrl "menuExportResults"
-    let menuAddSourceImage: MenuItem = ctrl "menuAddSourceImage"
-    let menuAnalysis: MenuItem = ctrl "menuAnalysis"
-    let menuStartAnalysis: MenuItem = ctrl "menuStartAnalysis"
-    let menuView: MenuItem = ctrl "menuView"
-    let menuHightlightRBC: MenuItem = ctrl "menuHightlightRBC"
-    let menuAbout: MenuItem = ctrl "menuAbout"
-
-    let txtDocumentStatus: TextBlock = ctrl "txtDocumentStatus"
-    let txtMessageStatus: TextBlock = ctrl "txtMessageStatus"
-
-    let txtPatient: TextBox = ctrl "txtPatient"
-    let txtGlobalParasitemia: TextBlock = ctrl "txtGlobalParasitemia"
-
-    let stackPreviews: StackPanel = ctrl "stackPreviews"
-
-    let scrollViewCurrentImage: ScrollViewer = ctrl "scrollViewCurrentImage"
-    let borderCurrentImage: Border = ctrl "borderCurrentImage"
-    let canvasCurrentImage: Canvas = ctrl "canvasCurrentImage"
-
-    let gridImageInformation: Grid = ctrl "gridImageInformation"
-    let txtImageInformation1: TextBlock = ctrl "txtImageInformation1"
-    let txtImageInformation2: TextBlock = ctrl "txtImageInformation2"
-    let txtImageName: TextBox = ctrl "txtImageName"
-
-    let scrollRBC: ScrollViewer = ctrl "scrollRBC"
-    let stackRBC: StackPanel = ctrl "stackRBC"
-
-    let imgLogos: Border = ctrl "imgLogos"
-
     // Initializations.
-    let canvasCurrentImageColor = canvasCurrentImage.Background
-    menuHightlightRBC.IsChecked <- displayHealthy
+    let canvasCurrentImageColor = win.canvasCurrentImage.Background
+    win.menuHightlightRBC.IsChecked <- displayHealthy
 
     // Utils.
     let extractRBCPreview (img: Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte>) (rbc: RBC) : Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte> =
@@ -98,13 +62,13 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
         frame
 
     let updateDocumentStatus () =
-        txtDocumentStatus.Text <- if state.FilePath = "" then "<New document>" else state.FilePath
+        win.txtDocumentStatus.Text <- if state.FilePath = "" then "<New document>" else state.FilePath
 
     let statusMessageTimer = Threading.DispatcherTimer()
-    statusMessageTimer.Tick.AddHandler(fun obj args -> statusMessageTimer.Stop(); txtMessageStatus.Text <- "")
+    statusMessageTimer.Tick.AddHandler(fun obj args -> statusMessageTimer.Stop(); win.txtMessageStatus.Text <- "")
     statusMessageTimer.Interval <- TimeSpan(0, 0, 2)
     let displayStatusMessage (message: string) =
-        txtMessageStatus.Text <- message
+        win.txtMessageStatus.Text <- message
         statusMessageTimer.Stop()
         statusMessageTimer.Start()
 
@@ -119,71 +83,71 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
             if not rbc.infected && not rbc.setManually && not displayHealthy then frame.Opacity <- 0.
 
     let zoomToRBC (rbc: RBC) =
-        scrollViewCurrentImage.ScrollToHorizontalOffset(rbc.center.X * currentScale - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
-        scrollViewCurrentImage.ScrollToVerticalOffset(rbc.center.Y * currentScale - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
+        win.scrollViewCurrentImage.ScrollToHorizontalOffset(rbc.center.X * currentScale - win.scrollViewCurrentImage.ViewportWidth / 2. + win.borderCurrentImage.BorderThickness.Left)
+        win.scrollViewCurrentImage.ScrollToVerticalOffset(rbc.center.Y * currentScale - win.scrollViewCurrentImage.ViewportHeight / 2. + win.borderCurrentImage.BorderThickness.Top)
 
 
     let txtImageName_TextChanged =
-        TextChangedEventHandler(fun obj args -> state.CurrentImage |> Option.iter(fun srcImg -> state.SetName srcImg txtImageName.Text))
+        TextChangedEventHandler(fun obj args -> state.CurrentImage |> Option.iter(fun srcImg -> state.SetName srcImg win.txtImageName.Text))
 
     let updateCurrentImageInformation () =
-        txtImageName.TextChanged.RemoveHandler(txtImageName_TextChanged)
-        txtImageInformation1.Inlines.Clear()
-        txtImageInformation2.Inlines.Clear()
-        txtImageName.Text <- ""
+        win.txtImageName.TextChanged.RemoveHandler(txtImageName_TextChanged)
+        win.txtImageInformation1.Inlines.Clear()
+        win.txtImageInformation2.Inlines.Clear()
+        win.txtImageName.Text <- ""
 
         match state.CurrentImage with
         | Some srcImg ->
-            gridImageInformation.Visibility <- Visibility.Visible
-            txtImageName.Text <- srcImg.name
-            txtImageName.TextChanged.AddHandler(txtImageName_TextChanged)
+            win.gridImageInformation.Visibility <- Visibility.Visible
+            win.txtImageName.Text <- srcImg.name
+            win.txtImageName.TextChanged.AddHandler(txtImageName_TextChanged)
 
             // The left part.
             let parasitemiaStr = Utils.percentText (state.ImageParasitemia srcImg)
-            txtImageInformation1.Inlines.Add(Documents.Run("Parasitemia: ", FontWeight = FontWeights.Bold))
-            txtImageInformation1.Inlines.Add(parasitemiaStr)
-            txtImageInformation1.Inlines.Add(Documents.LineBreak())
+            win.txtImageInformation1.Inlines.Add(Documents.Run("Parasitemia: ", FontWeight = FontWeights.Bold))
+            win.txtImageInformation1.Inlines.Add(parasitemiaStr)
+            win.txtImageInformation1.Inlines.Add(Documents.LineBreak())
 
-            txtImageInformation1.Inlines.Add(Documents.Run("Last analysis: ", FontWeight = FontWeights.Bold))
-            txtImageInformation1.Inlines.Add(Documents.Run(if srcImg.dateLastAnalysis.Ticks = 0L then "<Never>" else srcImg.dateLastAnalysis.ToLocalTime().ToString()))
+            win.txtImageInformation1.Inlines.Add(Documents.Run("Last analysis: ", FontWeight = FontWeights.Bold))
+            win.txtImageInformation1.Inlines.Add(Documents.Run(if srcImg.dateLastAnalysis.Ticks = 0L then "<Never>" else srcImg.dateLastAnalysis.ToLocalTime().ToString()))
 
             // The right part part.
-            txtImageInformation2.Inlines.Add(Documents.Run("Added infected erythrocyte: ", FontWeight = FontWeights.Bold))
-            txtImageInformation2.Inlines.Add(Documents.Run((state.ImageNbManuallyChangedRBCStr srcImg true) + " " + (state.ImageManuallyChangedRBCStr srcImg true)))
-            txtImageInformation2.Inlines.Add(Documents.LineBreak())
-            txtImageInformation2.Inlines.Add(Documents.Run("Removed infected erythrocyte: ", FontWeight = FontWeights.Bold))
-            txtImageInformation2.Inlines.Add(Documents.Run((state.ImageNbManuallyChangedRBCStr srcImg false) + " " + (state.ImageManuallyChangedRBCStr srcImg false)))
+            win.txtImageInformation2.Inlines.Add(Documents.Run("Added infected erythrocyte: ", FontWeight = FontWeights.Bold))
+            win.txtImageInformation2.Inlines.Add(Documents.Run((state.ImageNbManuallyChangedRBCStr srcImg true) + " " + (state.ImageManuallyChangedRBCStr srcImg true)))
+            win.txtImageInformation2.Inlines.Add(Documents.LineBreak())
+            win.txtImageInformation2.Inlines.Add(Documents.Run("Removed infected erythrocyte: ", FontWeight = FontWeights.Bold))
+            win.txtImageInformation2.Inlines.Add(Documents.Run((state.ImageNbManuallyChangedRBCStr srcImg false) + " " + (state.ImageManuallyChangedRBCStr srcImg false)))
 
         | _ ->
-            gridImageInformation.Visibility <- Visibility.Hidden
+            win.gridImageInformation.Visibility <- Visibility.Hidden
 
     let updateGlobalParasitemia () =
-        txtGlobalParasitemia.Inlines.Clear()
+        win.txtGlobalParasitemia.Inlines.Clear()
         let total, infected = state.GlobalParasitemia
-        txtGlobalParasitemia.Inlines.Add(Documents.Run(Utils.percentText (total, infected), FontWeight = FontWeights.Bold))
+        win.txtGlobalParasitemia.Inlines.Add(Documents.Run(Utils.percentText (total, infected), FontWeight = FontWeights.Bold))
         if total > 0 && total < warningBelowNumberOfRBC
         then
-            txtGlobalParasitemia.Inlines.Add(
+            win.txtGlobalParasitemia.Inlines.Add(
                 Documents.Run(
                     sprintf " Warning: the number of erythrocytes should be above %d" warningBelowNumberOfRBC,
                     FontWeight = FontWeights.Bold,
                     Foreground = Brushes.Red))
 
     let updateViewportPreview () =
-        for preview in stackPreviews.Children |> Seq.cast<Views.ImageSourcePreview> do
+        for preview in win.stackPreviews.Children |> Seq.cast<Views.ImageSourcePreview> do
             let srcImg = preview.Tag :?> SourceImage
             if Some srcImg = state.CurrentImage then
                 preview.viewport.Visibility <- Visibility.Visible
 
-                let canvasWidth = canvasCurrentImage.ActualWidth * currentScale
-                let canvasHeight = canvasCurrentImage.ActualHeight * currentScale
+                let canvasWidth = win.canvasCurrentImage.ActualWidth * currentScale
+                let canvasHeight = win.canvasCurrentImage.ActualHeight * currentScale
                 let previewWidth = (preview.ActualWidth - preview.BorderThickness.Left - preview.BorderThickness.Right)
                 let previewHeight = (preview.ActualHeight - preview.BorderThickness.Top - preview.BorderThickness.Bottom)
 
-                let marginLeft = previewWidth * (scrollViewCurrentImage.HorizontalOffset - borderCurrentImage.BorderThickness.Left) / canvasWidth - 2.
-                let marginRight = previewWidth * (canvasWidth - (scrollViewCurrentImage.HorizontalOffset - borderCurrentImage.BorderThickness.Right) - scrollViewCurrentImage.ViewportWidth) / canvasWidth - 2.
-                let marginTop = previewHeight * (scrollViewCurrentImage.VerticalOffset - borderCurrentImage.BorderThickness.Top) / canvasHeight - 2.
-                let marginBottom = previewHeight * (canvasHeight - (scrollViewCurrentImage.VerticalOffset - borderCurrentImage.BorderThickness.Bottom) - scrollViewCurrentImage.ViewportHeight) / canvasHeight - 2.
+                let marginLeft = previewWidth * (win.scrollViewCurrentImage.HorizontalOffset - win.borderCurrentImage.BorderThickness.Left) / canvasWidth - 2.
+                let marginRight = previewWidth * (canvasWidth - (win.scrollViewCurrentImage.HorizontalOffset - win.borderCurrentImage.BorderThickness.Right) - win.scrollViewCurrentImage.ViewportWidth) / canvasWidth - 2.
+                let marginTop = previewHeight * (win.scrollViewCurrentImage.VerticalOffset - win.borderCurrentImage.BorderThickness.Top) / canvasHeight - 2.
+                let marginBottom = previewHeight * (canvasHeight - (win.scrollViewCurrentImage.VerticalOffset - win.borderCurrentImage.BorderThickness.Bottom) - win.scrollViewCurrentImage.ViewportHeight) / canvasHeight - 2.
 
                 preview.viewport.Margin <-
                     Thickness(
@@ -196,7 +160,7 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
 
     let rec setAsInfected (srcImg: SourceImage) (rbc: RBC) (infected: bool) =
         state.SetAsInfected rbc infected
-        canvasCurrentImage.Children
+        win.canvasCurrentImage.Children
         |> Seq.cast<Views.RBCFrame>
         |> Seq.iter
             (fun frame ->
@@ -233,22 +197,22 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
             let mutable currentPreview = 0
             for rbc in srcImg.rbcs |> List.filter (fun rbc -> displayHealthy || rbc.infected) do
                 let previewInfected =
-                    if currentPreview < stackRBC.Children.Count
+                    if currentPreview < win.stackRBC.Children.Count
                     then
-                        RBCFrameFromExisting srcImg rbc (stackRBC.Children.[currentPreview] :?> Views.RBCFrame)
+                        RBCFrameFromExisting srcImg rbc (win.stackRBC.Children.[currentPreview] :?> Views.RBCFrame)
                     else
                         let f = RBCFrame srcImg rbc
                         f.MouseLeftButtonUp.AddHandler(fun obj args -> zoomToRBC (f.Tag :?> RBC))
-                        stackRBC.Children.Add(f) |> ignore
+                        win.stackRBC.Children.Add(f) |> ignore
                         f
 
                 currentPreview <- currentPreview + 1
 
-                previewInfected.Height <- stackRBC.ActualHeight
-                previewInfected.Width <- stackRBC.ActualHeight * rbc.size.Width / rbc.size.Height
+                previewInfected.Height <- win.stackRBC.ActualHeight
+                previewInfected.Width <- win.stackRBC.ActualHeight * rbc.size.Width / rbc.size.Height
                 previewInfected.border.Fill <- ImageBrush(BitmapSourceConvert.ToBitmapSource(extractRBCPreview srcImg.img rbc))
 
-            stackRBC.Children.RemoveRange(currentPreview, stackRBC.Children.Count - currentPreview)
+            win.stackRBC.Children.RemoveRange(currentPreview, win.stackRBC.Children.Count - currentPreview)
         | _ -> ()
 
         updateViewportPreview ()
@@ -259,13 +223,13 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
             let mutable currentCanvas = 0
             for rbc in srcImg.rbcs do
                 let frame =
-                    if currentCanvas < canvasCurrentImage.Children.Count
+                    if currentCanvas < win.canvasCurrentImage.Children.Count
                     then
-                        RBCFrameFromExisting srcImg rbc (canvasCurrentImage.Children.[currentCanvas] :?> Views.RBCFrame)
+                        RBCFrameFromExisting srcImg rbc (win.canvasCurrentImage.Children.[currentCanvas] :?> Views.RBCFrame)
                     else
                         let f = RBCFrame srcImg rbc
                         f.Root.Opacity <- 0.7
-                        canvasCurrentImage.Children.Add(f) |> ignore
+                        win.canvasCurrentImage.Children.Add(f) |> ignore
                         f
 
                 currentCanvas <- currentCanvas + 1
@@ -273,8 +237,8 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
                 Canvas.SetLeft(frame, rbc.center.X - rbc.size.Width / 2.)
                 Canvas.SetTop(frame, rbc.center.Y - rbc.size.Height / 2.)
 
-            for i in currentCanvas .. canvasCurrentImage.Children.Count - 1 do
-                canvasCurrentImage.Children.[i].Visibility <- Visibility.Hidden
+            for i in currentCanvas .. win.canvasCurrentImage.Children.Count - 1 do
+                win.canvasCurrentImage.Children.[i].Visibility <- Visibility.Hidden
         | _ -> ()
 
     let askDocumentPathToSave () : string option =
@@ -329,26 +293,26 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
     let updateCurrentImage () =
         match state.CurrentImage with
         | Some srcImg ->
-            imgLogos.Visibility <- Visibility.Collapsed
+            win.imgLogos.Visibility <- Visibility.Collapsed
 
             // Highlight the preview.
-            stackPreviews.Children
+            win.stackPreviews.Children
             |> Seq.cast<Views.ImageSourcePreview>
             |> Seq.iter (fun preview -> preview.border.BorderThickness <- Thickness(if preview.Tag = (srcImg :> Object) then 3. else 0.))
 
-            canvasCurrentImage.Height <- float srcImg.img.Height
-            canvasCurrentImage.Width <- float srcImg.img.Width
-            canvasCurrentImage.Background <- ImageBrush(BitmapSourceConvert.ToBitmapSource(srcImg.img))
+            win.canvasCurrentImage.Height <- float srcImg.img.Height
+            win.canvasCurrentImage.Width <- float srcImg.img.Width
+            win.canvasCurrentImage.Background <- ImageBrush(BitmapSourceConvert.ToBitmapSource(srcImg.img))
 
             updateRBCFramesCurrent ()
             updateRBCFramesPreview ()
 
         | None ->
-            imgLogos.Visibility <- Visibility.Visible
+            win.imgLogos.Visibility <- Visibility.Visible
 
-            stackRBC.Children.Clear()
-            canvasCurrentImage.Children.Clear()
-            canvasCurrentImage.Background <- canvasCurrentImageColor
+            win.stackRBC.Children.Clear()
+            win.canvasCurrentImage.Children.Clear()
+            win.canvasCurrentImage.Background <- canvasCurrentImageColor
 
         updateCurrentImageInformation ()
 
@@ -362,7 +326,7 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
         let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
 
         imgCtrl.menuRemoveImage.Click.AddHandler(fun obj args ->
-            stackPreviews.Children.Remove(imgCtrl)
+            win.stackPreviews.Children.Remove(imgCtrl)
             let srcImg = imgCtrl.Tag :?> SourceImage
             let currentRemoved = Some srcImg = state.CurrentImage
             state.RemoveSourceImage srcImg
@@ -373,23 +337,23 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
             updateGlobalParasitemia()
 
             // Update image numbers.
-            stackPreviews.Children |> Seq.cast<Views.ImageSourcePreview> |> Seq.iter (fun imgPreview -> imgPreview.txtImageNumber.Text <- (imgPreview.Tag :?> SourceImage).num.ToString()))
+            win.stackPreviews.Children |> Seq.cast<Views.ImageSourcePreview> |> Seq.iter (fun imgPreview -> imgPreview.txtImageNumber.Text <- (imgPreview.Tag :?> SourceImage).num.ToString()))
 
         imgCtrl.Tag <- srcImg
         imgCtrl.txtImageNumber.Text <- srcImg.num.ToString()
         let width = 200
         let height = srcImg.img.Height * width / srcImg.img.Width
         imgCtrl.imagePreview.Source <- BitmapSourceConvert.ToBitmapSource(srcImg.img.Resize(width, height, Emgu.CV.CvEnum.Inter.Cubic))
-        stackPreviews.Children.Add(imgCtrl) |> ignore
+        win.stackPreviews.Children.Add(imgCtrl) |> ignore
 
         // Zoom to a mouse position into the control 'imgCtrl'.
         let zoomTo (mousePos: Point) =
-            let canvasW = canvasCurrentImage.ActualWidth * currentScale
-            let canvasH = canvasCurrentImage.ActualHeight * currentScale
+            let canvasW = win.canvasCurrentImage.ActualWidth * currentScale
+            let canvasH = win.canvasCurrentImage.ActualHeight * currentScale
             let centerX = (mousePos.X - imgCtrl.BorderThickness.Left) / (imgCtrl.ActualWidth - imgCtrl.BorderThickness.Left) * canvasW
             let centerY = (mousePos.Y - imgCtrl.BorderThickness.Top) / (imgCtrl.ActualHeight - imgCtrl.BorderThickness.Top) * canvasH
-            scrollViewCurrentImage.ScrollToHorizontalOffset(centerX - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
-            scrollViewCurrentImage.ScrollToVerticalOffset(centerY - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
+            win.scrollViewCurrentImage.ScrollToHorizontalOffset(centerX - win.scrollViewCurrentImage.ViewportWidth / 2. + win.borderCurrentImage.BorderThickness.Left)
+            win.scrollViewCurrentImage.ScrollToVerticalOffset(centerY - win.scrollViewCurrentImage.ViewportHeight / 2. + win.borderCurrentImage.BorderThickness.Top)
 
         imgCtrl.MouseLeftButtonDown.AddHandler(fun obj args ->
             setCurrentImage (state.SourceImages |> Seq.find (fun srcImg -> (srcImg :> Object) = imgCtrl.Tag))
@@ -408,13 +372,13 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
                 imgCtrl.ReleaseMouseCapture())
 
     let updatePreviews () =
-        stackPreviews.Children.Clear ()
+        win.stackPreviews.Children.Clear ()
         for srcImg in state.SourceImages do
             addPreview srcImg
         updateCurrentImage ()
 
     let updateGUI () =
-        txtPatient.Text <- state.PatientID
+        win.txtPatient.Text <- state.PatientID
         updatePreviews ()
         updateGlobalParasitemia ()
         updateDocumentStatus ()
@@ -463,16 +427,16 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
                 Log.Error(ex.ToString())
                 MessageBox.Show(sprintf "The results cannot be exported in '%s'" state.FilePath, "Error exporting the files", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
 
-    txtPatient.TextChanged.AddHandler(fun obj args -> state.PatientID <- txtPatient.Text)
+    win.txtPatient.TextChanged.AddHandler(fun obj args -> state.PatientID <- win.txtPatient.Text)
 
-    menuExit.Click.AddHandler(fun obj args -> mainWindow.Root.Close())
-    menuSaveFile.Click.AddHandler(fun obj args -> saveCurrentDocument ())
-    menuSaveAsFile.Click.AddHandler(fun obj args -> saveCurrentDocumentAsNewFile ())
-    menuLoadFile.Click.AddHandler(fun obj args -> askLoadFile ())
-    menuNewFile.Click.AddHandler(fun obj args -> newFile ())
-    menuExportResults.Click.AddHandler(fun obj args -> exportResults ())
+    win.menuExit.Click.AddHandler(fun obj args -> win.Root.Close())
+    win.menuSave.Click.AddHandler(fun obj args -> saveCurrentDocument ())
+    win.menuSaveAs.Click.AddHandler(fun obj args -> saveCurrentDocumentAsNewFile ())
+    win.menuOpen.Click.AddHandler(fun obj args -> askLoadFile ())
+    win.menuNew.Click.AddHandler(fun obj args -> newFile ())
+    win.menuExportResults.Click.AddHandler(fun obj args -> exportResults ())
 
-    menuAddSourceImage.Click.AddHandler(fun obj args ->
+    win.menuAddSourceImage.Click.AddHandler(fun obj args ->
         let dialog = OpenFileDialog(Filter = "Image Files|*.png;*.jpg;*.tif;*.tiff", Multiselect = true)
         let res = dialog.ShowDialog()
         if res.HasValue && res.Value
@@ -494,55 +458,55 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
             then
                 updateCurrentImage ())
 
-    menuAnalysis.SubmenuOpened.AddHandler(fun obj args -> menuStartAnalysis.IsEnabled <- state.SourceImages.Count() > 0)
+    win.menuAnalysis.SubmenuOpened.AddHandler(fun obj args -> win.menuStartAnalysis.IsEnabled <- state.SourceImages.Count() > 0)
 
-    menuStartAnalysis.Click.AddHandler(fun obj args ->
-        if Analysis.showWindow mainWindow.Root state
+    win.menuStartAnalysis.Click.AddHandler(fun obj args ->
+        if Analysis.showWindow win.Root state
         then
             updateGlobalParasitemia ()
             updateCurrentImage ())
 
-    menuHightlightRBC.Click.AddHandler(fun obj args ->
-        displayHealthy <- menuHightlightRBC.IsChecked
+    win.menuHightlightRBC.Click.AddHandler(fun obj args ->
+        displayHealthy <- win.menuHightlightRBC.IsChecked
         updateRBCFramesPreview ()
         updateRBCFramesCurrent ())
 
-    menuAbout.Click.AddHandler(fun obj args -> About.showWindow mainWindow.Root)
+    win.menuAbout.Click.AddHandler(fun obj args -> About.showWindow win.Root)
 
-    mainWindow.Root.Closing.AddHandler(fun obj args -> askSaveCurrent ())
+    win.Root.Closing.AddHandler(fun obj args -> askSaveCurrent ())
 
     // Zoom on the current image.
     let adjustCurrentImageBorders (deltaX: float) (deltaY: float) =
-        borderCurrentImage.BorderThickness <-
+        win.borderCurrentImage.BorderThickness <-
             Thickness(
-                (scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
-                (scrollViewCurrentImage.ViewportHeight + deltaY) / 2.,
-                (scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
-                (scrollViewCurrentImage.ViewportHeight + deltaY) / 2.)
+                (win.scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
+                (win.scrollViewCurrentImage.ViewportHeight + deltaY) / 2.,
+                (win.scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
+                (win.scrollViewCurrentImage.ViewportHeight + deltaY) / 2.)
 
-    canvasCurrentImage.SizeChanged.AddHandler(fun obj args ->
+    win.canvasCurrentImage.SizeChanged.AddHandler(fun obj args ->
         let deltaX = args.NewSize.Width - args.PreviousSize.Width
         let deltaY = args.NewSize.Height - args.PreviousSize.Height
         if deltaX > 0.5 || deltaY > 0.5
         then
             adjustCurrentImageBorders 0.0 0.0
             // Center the view at the center of the image initialy.
-            scrollViewCurrentImage.UpdateLayout()
-            scrollViewCurrentImage.ScrollToHorizontalOffset(borderCurrentImage.ActualWidth / 2. - scrollViewCurrentImage.ViewportWidth / 2.)
-            scrollViewCurrentImage.ScrollToVerticalOffset(borderCurrentImage.ActualHeight / 2. - scrollViewCurrentImage.ViewportHeight / 2.))
+            win.scrollViewCurrentImage.UpdateLayout()
+            win.scrollViewCurrentImage.ScrollToHorizontalOffset(win.borderCurrentImage.ActualWidth / 2. - win.scrollViewCurrentImage.ViewportWidth / 2.)
+            win.scrollViewCurrentImage.ScrollToVerticalOffset(win.borderCurrentImage.ActualHeight / 2. - win.scrollViewCurrentImage.ViewportHeight / 2.))
 
-    scrollViewCurrentImage.SizeChanged.AddHandler(fun obj args ->
+    win.scrollViewCurrentImage.SizeChanged.AddHandler(fun obj args ->
         let deltaX = args.NewSize.Width - args.PreviousSize.Width
         let deltaY = args.NewSize.Height - args.PreviousSize.Height
         adjustCurrentImageBorders deltaX deltaY
-        scrollViewCurrentImage.ScrollToHorizontalOffset(scrollViewCurrentImage.HorizontalOffset + deltaX / 8.)
-        scrollViewCurrentImage.ScrollToVerticalOffset(scrollViewCurrentImage.VerticalOffset + deltaY / 8.))
+        win.scrollViewCurrentImage.ScrollToHorizontalOffset(win.scrollViewCurrentImage.HorizontalOffset + deltaX / 8.)
+        win.scrollViewCurrentImage.ScrollToVerticalOffset(win.scrollViewCurrentImage.VerticalOffset + deltaY / 8.))
 
     let mutable maxScale = 4.
     let mutable minScale = 0.25
     let currentImageScaleTransform = ScaleTransform()
-    canvasCurrentImage.LayoutTransform <- currentImageScaleTransform
-    borderCurrentImage.PreviewMouseWheel.AddHandler(fun obj args ->
+    win.canvasCurrentImage.LayoutTransform <- currentImageScaleTransform
+    win.borderCurrentImage.PreviewMouseWheel.AddHandler(fun obj args ->
         let scaleFactor = if args.Delta > 0 then 2.0 else 0.5
         if scaleFactor > 1. && currentScale < maxScale || scaleFactor < 1. && currentScale > minScale
         then
@@ -552,14 +516,14 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
                 if newScale > maxScale then maxScale elif newScale < minScale then minScale else newScale
             let realScaleFactor = currentScale / previousScale
 
-            let centerX = scrollViewCurrentImage.HorizontalOffset + scrollViewCurrentImage.ViewportWidth / 2. - borderCurrentImage.BorderThickness.Left
-            let centerY = scrollViewCurrentImage.VerticalOffset + scrollViewCurrentImage.ViewportHeight / 2. - borderCurrentImage.BorderThickness.Top
+            let centerX = win.scrollViewCurrentImage.HorizontalOffset + win.scrollViewCurrentImage.ViewportWidth / 2. - win.borderCurrentImage.BorderThickness.Left
+            let centerY = win.scrollViewCurrentImage.VerticalOffset + win.scrollViewCurrentImage.ViewportHeight / 2. - win.borderCurrentImage.BorderThickness.Top
 
             currentImageScaleTransform.ScaleX <- currentScale
             currentImageScaleTransform.ScaleY <- currentScale
 
-            scrollViewCurrentImage.ScrollToHorizontalOffset(centerX * realScaleFactor - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
-            scrollViewCurrentImage.ScrollToVerticalOffset(centerY * realScaleFactor - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
+            win.scrollViewCurrentImage.ScrollToHorizontalOffset(centerX * realScaleFactor - win.scrollViewCurrentImage.ViewportWidth / 2. + win.borderCurrentImage.BorderThickness.Left)
+            win.scrollViewCurrentImage.ScrollToVerticalOffset(centerY * realScaleFactor - win.scrollViewCurrentImage.ViewportHeight / 2. + win.borderCurrentImage.BorderThickness.Top)
 
         args.Handled <- true)
 
@@ -567,70 +531,70 @@ let run (defaultConfig: Config) (fileToOpen: string option) =
     let mutable scrollStartPosition = Point(0., 0.)
     let mutable scrollStartOffsetX = 0.
     let mutable scrollStartOffsetY = 0.
-    borderCurrentImage.PreviewMouseLeftButtonDown.AddHandler(fun obj args ->
-        scrollStartPosition <- args.GetPosition(scrollViewCurrentImage)
-        scrollStartOffsetX <- scrollViewCurrentImage.HorizontalOffset
-        scrollStartOffsetY <- scrollViewCurrentImage.VerticalOffset
-        borderCurrentImage.Cursor <- Input.Cursors.ScrollAll
-        borderCurrentImage.CaptureMouse() |> ignore
+    win.borderCurrentImage.PreviewMouseLeftButtonDown.AddHandler(fun obj args ->
+        scrollStartPosition <- args.GetPosition(win.scrollViewCurrentImage)
+        scrollStartOffsetX <- win.scrollViewCurrentImage.HorizontalOffset
+        scrollStartOffsetY <- win.scrollViewCurrentImage.VerticalOffset
+        win.borderCurrentImage.Cursor <- Input.Cursors.ScrollAll
+        win.borderCurrentImage.CaptureMouse() |> ignore
         args.Handled <- true)
 
-    borderCurrentImage.PreviewMouseMove.AddHandler(fun obj args ->
-        if borderCurrentImage.IsMouseCaptured
+    win.borderCurrentImage.PreviewMouseMove.AddHandler(fun obj args ->
+        if win.borderCurrentImage.IsMouseCaptured
         then
-            let position = args.GetPosition(scrollViewCurrentImage)
+            let position = args.GetPosition(win.scrollViewCurrentImage)
             let deltaX = scrollStartPosition.X - position.X
             let deltaY = scrollStartPosition.Y - position.Y
-            scrollViewCurrentImage.ScrollToHorizontalOffset(deltaX + scrollStartOffsetX)
-            scrollViewCurrentImage.ScrollToVerticalOffset(deltaY + scrollStartOffsetY)
+            win.scrollViewCurrentImage.ScrollToHorizontalOffset(deltaX + scrollStartOffsetX)
+            win.scrollViewCurrentImage.ScrollToVerticalOffset(deltaY + scrollStartOffsetY)
 
             args.Handled <- true)
 
-    borderCurrentImage.PreviewMouseLeftButtonUp.AddHandler(fun obj args ->
-        if borderCurrentImage.IsMouseCaptured
+    win.borderCurrentImage.PreviewMouseLeftButtonUp.AddHandler(fun obj args ->
+        if win.borderCurrentImage.IsMouseCaptured
         then
-            borderCurrentImage.Cursor <- Input.Cursors.Arrow
-            borderCurrentImage.ReleaseMouseCapture()
+            win.borderCurrentImage.Cursor <- Input.Cursors.Arrow
+            win.borderCurrentImage.ReleaseMouseCapture()
             args.Handled <- true)
 
     // Shortcuts.
     // Save.
-    mainWindow.Root.InputBindings.Add(
+    win.Root.InputBindings.Add(
         Input.KeyBinding(
             FSharp.ViewModule.FunCommand((fun obj -> saveCurrentDocument ()), (fun obj -> true)),
             Input.KeyGesture(Input.Key.S, Input.ModifierKeys.Control))) |> ignore
 
     // Save as.
-    mainWindow.Root.InputBindings.Add(
+    win.Root.InputBindings.Add(
         Input.KeyBinding(
             FSharp.ViewModule.FunCommand((fun obj -> saveCurrentDocumentAsNewFile ()), (fun obj -> true)),
             Input.KeyGesture(Input.Key.S, Input.ModifierKeys.Control ||| Input.ModifierKeys.Shift))) |> ignore
 
     // Open.
-    mainWindow.Root.InputBindings.Add(
+    win.Root.InputBindings.Add(
         Input.KeyBinding(
             FSharp.ViewModule.FunCommand((fun obj -> askLoadFile ()), (fun obj -> true)),
             Input.KeyGesture(Input.Key.O, Input.ModifierKeys.Control))) |> ignore
 
     // New file.
-    mainWindow.Root.InputBindings.Add(
+    win.Root.InputBindings.Add(
         Input.KeyBinding(
             FSharp.ViewModule.FunCommand((fun obj -> newFile ()), (fun obj -> true)),
             Input.KeyGesture(Input.Key.N, Input.ModifierKeys.Control))) |> ignore
 
     // Export results.
-    mainWindow.Root.InputBindings.Add(
+    win.Root.InputBindings.Add(
         Input.KeyBinding(
             FSharp.ViewModule.FunCommand((fun obj -> exportResults ()), (fun obj -> true)),
             Input.KeyGesture(Input.Key.E, Input.ModifierKeys.Control))) |> ignore
 
     // Viewport preview.
-    scrollViewCurrentImage.ScrollChanged.AddHandler(fun obj args -> updateViewportPreview ())
+    win.scrollViewCurrentImage.ScrollChanged.AddHandler(fun obj args -> updateViewportPreview ())
 
     updateDocumentStatus ()
-    gridImageInformation.Visibility <- Visibility.Hidden
+    win.gridImageInformation.Visibility <- Visibility.Hidden
 
-    mainWindow.Root.Show()
+    win.Root.Show()
 
     match fileToOpen with
     | Some filepath -> loadFile filepath