-module Parasitemia.GUI
+module Parasitemia.GUI.Main
+open System
open System.IO
+open System.Linq
open System.Windows
open System.Windows.Media
open System.Windows.Markup
open System.Windows.Shapes
open System.Windows.Controls
-open System.Drawing
open System.Diagnostics
open Microsoft.Win32 // For the common dialogs.
-//open Emgu.CV
-//open Emgu.CV.Structure
open Emgu.CV.WPF
open Config
+open Types
let run (defaultConfig: Config) =
let app = new Application()
let ctrl (name: string): 'a =
mainWindow.Root.FindName(name) :?> 'a
- // Utils.log <- (fun m -> log mainWindow m)
+ let colorRBCHealthy = Brushes.YellowGreen
+ let colorRBCInfected = Brushes.Red
let state = State.State()
+ let mutable currentScale = 1.
+ let mutable displayHealthy = false
- let exit: MenuItem = ctrl "menuExit"
- let saveFile: MenuItem = ctrl "menuSave"
- let loadFile: MenuItem = ctrl "menuOpen"
- let newFile: MenuItem = ctrl "menuNew"
-
- let addSourceImage: MenuItem = ctrl "menuAddSourceImage"
+ let menuExit: MenuItem = ctrl "menuExit"
+ let menuSaveFile: MenuItem = ctrl "menuSave"
+ let menuLoadFile: MenuItem = ctrl "menuOpen"
+ let menuNewFile: MenuItem = ctrl "menuNew"
+ let menuAddSourceImage: MenuItem = ctrl "menuAddSourceImage"
+ let menuStartAnalysis: MenuItem = ctrl "menuStartAnalysis"
+ let menuHightlightRBC: MenuItem = ctrl "menuHightlightRBC"
let txtPatient: TextBox = ctrl "txtPatient"
+ let txtGlobalParasitemia: TextBox = ctrl "txtGlobalParasitemia"
let stackPreviews: StackPanel = ctrl "stackPreviews"
- let butStartAnalysis: Button = ctrl "butStartAnalysis"
+ let scrollViewCurrentImage: ScrollViewer = ctrl "scrollViewCurrentImage"
+ let borderCurrentImage: Border = ctrl "borderCurrentImage"
+ let canvasCurrentImage: Canvas = ctrl "canvasCurrentImage"
+ let txtImageInformation: TextBlock = ctrl "txtImageInformation"
- let synchronizeState () =
- state.PatientID <- txtPatient.Text
+ let scrollRBC: ScrollViewer = ctrl "scrollRBC"
+ let stackRBC: StackPanel = ctrl "stackRBC"
- let updatePreviews () =
- stackPreviews.Children.Clear ()
- state.ImagesSource |> Seq.iteri (fun i imgSrc ->
- let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
- imgCtrl.lblImageNumber.Content <- i + 1
- let width = 200
- let height = imgSrc.img.Height * width / imgSrc.img.Width
- imgCtrl.imagePreview.Source <- BitmapSourceConvert.ToBitmapSource(imgSrc.img.Resize(width, height, Emgu.CV.CvEnum.Inter.Cubic))
- stackPreviews.Children.Add(imgCtrl) |> ignore )
+ // Initializations.
+ menuHightlightRBC.IsChecked <- displayHealthy
- let updateGUI () =
- txtPatient.Text <- state.PatientID
- updatePreviews ()
+ // Utils.
+ let extractRBCPreview (img: Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte>) (rbc: RBC) : Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte> =
+ let rbcWidth = rbc.size.Width
+ let rbcHeight = rbc.size.Height
+ let x = rbc.center.X - rbcWidth / 2. |> Utils.roundInt
+ let y = rbc.center.Y - rbcHeight / 2. |> Utils.roundInt
+ let w = Utils.roundInt rbcWidth
+ let h = Utils.roundInt rbcHeight
+ //Utils.dprintfn "w: %A, h: %A, cx: %A, cy: %A, img.w: %A, img.h: %A" w h x y img.Width img.Height
+ img.GetSubRect(System.Drawing.Rectangle(System.Drawing.Point((if x < 0 then 0 else x), (if y < 0 then 0 else y)),
+ System.Drawing.Size((if x + w >= img.Width then img.Width - x else w),
+ (if y + h >= img.Height then img.Height - y else h))))
+
+ let setRBCFrameStyle (rbc: RBC) (frame: Views.RBCFrame) =
+ frame.Opacity <- if displayHealthy || rbc.setManually || rbc.infected then 1. else 0.
+ let color = if rbc.infected then colorRBCInfected else colorRBCHealthy
+ frame.manuallyAdded.Visibility <- if rbc.setManually then Visibility.Visible else Visibility.Hidden
+ frame.manuallyAdded.Fill <- color
+ frame.border.Stroke <- color
+
+ let RBCFrameFromExisting (rbc: RBC) (frame: Views.RBCFrame) : Views.RBCFrame =
+ frame.Visibility <- Visibility.Visible
+ frame.Height <- rbc.size.Height
+ frame.Width <- rbc.size.Width
+ frame.Tag <- rbc
+ setRBCFrameStyle rbc frame
+ frame.border.StrokeThickness <- 1.
+ frame.txtRBCNumber.Text <- rbc.num.ToString()
+ frame
+
+ let highlightRBCFrame (frame: Views.RBCFrame) (highlight: bool) =
+ let rbc = frame.Tag :?> RBC
+ if highlight
+ then
+ frame.border.StrokeThickness <- 3.
+ if not rbc.infected && not rbc.setManually && not displayHealthy then frame.Opacity <- 1.
+ else
+ frame.border.StrokeThickness <- 1.
+ 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)
+
+ let parasitemiaText (nbTotal: int, nbInfected: int) : string =
+ if nbTotal = 0
+ then
+ ""
+ else
+ let percent = 100. * (float nbInfected) / (float nbTotal)
+ sprintf "%.1f %% (%d / %d)" percent nbInfected nbTotal
+
+ let updateCurrentImageInformation () =
+ match state.CurrentImage with
+ | Some srcImg ->
+ let parasitemiaStr = parasitemiaText (state.ImageParasitemia srcImg)
+ txtImageInformation.Inlines.Clear()
+ txtImageInformation.Inlines.Add(Documents.Run("Parasitemia: ", FontWeight = FontWeights.Bold))
+ txtImageInformation.Inlines.Add(parasitemiaStr)
+ txtImageInformation.Inlines.Add(Documents.LineBreak())
+
+ txtImageInformation.Inlines.Add(Documents.Run("Average erytrocyte diameter: ", FontWeight = FontWeights.Bold))
+ txtImageInformation.Inlines.Add(Documents.Run(string (Utils.roundInt <| 2. * srcImg.rbcRadius)))
+ txtImageInformation.Inlines.Add(Documents.Run(" px"))
+ txtImageInformation.Inlines.Add(Documents.LineBreak())
+
+ txtImageInformation.Inlines.Add(Documents.Run("Last analysis: ", FontWeight = FontWeights.Bold))
+ txtImageInformation.Inlines.Add(Documents.Run(if srcImg.dateLastAnalysis.Ticks = 0L then "<Never>" else srcImg.dateLastAnalysis.ToLocalTime().ToString()))
+ | _ -> ()
+
+ let updateGlobalParasitemia () =
+ txtGlobalParasitemia.Text <- parasitemiaText state.GlobalParasitemia
+
+ let rec setAsInfected (rbc: RBC) (infected: bool) =
+ state.SetAsInfected rbc infected
+ canvasCurrentImage.Children
+ |> Seq.cast<Views.RBCFrame>
+ |> Seq.iter
+ (fun frame ->
+ if (frame.Tag :?> RBC) = rbc
+ then
+ setRBCFrameStyle rbc frame)
+ updateRBCFramesPreview ()
+ updateCurrentImageInformation ()
+ updateGlobalParasitemia ()
+
+ and RBCFrame (rbc: RBC) : Views.RBCFrame =
+ let f = RBCFrameFromExisting rbc (Views.RBCFrame())
+ f.menuRBCSetAsHealthy.Click.AddHandler(fun obj args -> setAsInfected (f.Tag :?> RBC) false)
+ f.menuRBCSetAsInfected.Click.AddHandler(fun obj args -> setAsInfected (f.Tag :?> RBC) true)
+ f.ContextMenuOpening.AddHandler(
+ fun obj args ->
+ if (f.Tag :?> RBC).infected
+ then
+ f.menuRBCSetAsHealthy.Visibility <- Visibility.Visible
+ f.menuRBCSetAsInfected.Visibility <- Visibility.Collapsed
+ else
+ f.menuRBCSetAsHealthy.Visibility <- Visibility.Collapsed
+ f.menuRBCSetAsInfected.Visibility <- Visibility.Visible)
- exit.Click.AddHandler(fun obj args -> mainWindow.Root.Close())
- saveFile.Click.AddHandler(fun obj args ->
- synchronizeState ()
+ f.ContextMenuClosing.AddHandler(fun obj args -> if not f.IsMouseOver then highlightRBCFrame f false )
+ f.MouseEnter.AddHandler(fun obj args -> highlightRBCFrame f true)
+ f.MouseLeave.AddHandler(fun obj args -> if not f.grid.ContextMenu.IsOpen then highlightRBCFrame f false)
+ f
+
+ and updateRBCFramesPreview () =
+ match state.CurrentImage with
+ | Some srcImg ->
+ let mutable currentPreview = 0
+ for rbc in srcImg.rbcs |> List.filter (fun rbc -> displayHealthy || rbc.infected) do
+ let previewInfected =
+ if currentPreview < stackRBC.Children.Count
+ then
+ RBCFrameFromExisting rbc (stackRBC.Children.[currentPreview] :?> Views.RBCFrame)
+ else
+ let f = RBCFrame rbc
+ f.MouseLeftButtonUp.AddHandler(fun obj args -> zoomToRBC (f.Tag :?> RBC))
+ stackRBC.Children.Add(f) |> ignore
+ f
+
+ currentPreview <- currentPreview + 1
+
+ previewInfected.Height <- stackRBC.ActualHeight
+ previewInfected.Width <- 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)
+ | _ -> ()
+
+ let updateRBCFramesCurrent () =
+ match state.CurrentImage with
+ | Some srcImg ->
+ let mutable currentCanvas = 0
+ for rbc in srcImg.rbcs do
+ let frame =
+ if currentCanvas < canvasCurrentImage.Children.Count
+ then
+ RBCFrameFromExisting rbc (canvasCurrentImage.Children.[currentCanvas] :?> Views.RBCFrame)
+ else
+ let f = RBCFrame rbc
+ canvasCurrentImage.Children.Add(f) |> ignore
+ f
+
+ currentCanvas <- currentCanvas + 1
+
+ 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
+ | _ -> ()
+
+ let saveCurrentDocument () =
if state.FilePath = ""
then
- let dialog = SaveFileDialog(AddExtension = true, DefaultExt = Pia.extension, Filter = Pia.filter);
+ let dialog = SaveFileDialog(AddExtension = true, DefaultExt = PiaZ.extension, Filter = PiaZ.filter);
let res = dialog.ShowDialog()
if res.HasValue && res.Value
then
state.FilePath <- dialog.FileName
state.Save()
else
- state.Save())
+ state.Save()
+
+ // Ask the use to save the current document if neccessary.
+ let askSaveCurrent () =
+ if state.AlteredSinceLastSave
+ then
+ match MessageBox.Show("Would you like to save the current document?", "Saving the current document", MessageBoxButton.YesNo, MessageBoxImage.Question) with
+ | MessageBoxResult.Yes -> saveCurrentDocument ()
+ | _ -> ()
+
+ let updateCurrentImage () =
+ match state.CurrentImage with
+ | Some srcImg ->
+ // Highlight the preview.
+ 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))
+
+ updateRBCFramesCurrent ()
+ updateRBCFramesPreview ()
+ updateCurrentImageInformation ()
+ | None ->
+ stackRBC.Children.Clear()
+ canvasCurrentImage.Children.Clear()
+ canvasCurrentImage.Background <- Brushes.Black
+
+ let setCurrentImage (srcImg: SourceImage) =
+ if state.CurrentImage.IsNone || state.CurrentImage.Value <> srcImg
+ then
+ state.CurrentImage <- Some srcImg
+ updateCurrentImage ()
+
+ let updateViewportPreview () =
+ for preview in 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 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.
+
+ preview.viewport.Margin <-
+ Thickness(
+ marginLeft,
+ marginTop,
+ marginRight,
+ marginBottom)
+ else
+ preview.viewport.Visibility <- Visibility.Hidden
- loadFile.Click.AddHandler(fun obj args ->
+ let addPreview (srcImg: SourceImage) =
+ let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
+
+ imgCtrl.menuRemoveImage.Click.AddHandler(fun obj args ->
+ stackPreviews.Children.Remove(imgCtrl)
+ let srcImg = imgCtrl.Tag :?> SourceImage
+ let currentRemoved = Some srcImg = state.CurrentImage
+ state.RemoveSourceImage srcImg
+ if currentRemoved
+ then
+ updateCurrentImage()
+ 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
+
+ // Zoom to a mouse position into the control 'imgCtrl'.
+ let zoomTo (mousePos: Point) =
+ let canvasW = canvasCurrentImage.ActualWidth * currentScale
+ let canvasH = 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)
+
+ imgCtrl.MouseLeftButtonDown.AddHandler(fun obj args ->
+ setCurrentImage (state.SourceImages |> Seq.find (fun srcImg -> (srcImg :> Object) = imgCtrl.Tag))
+ imgCtrl.UpdateLayout()
+ zoomTo (args.GetPosition(imgCtrl))
+ imgCtrl.CaptureMouse() |> ignore)
+
+ imgCtrl.MouseMove.AddHandler(fun obj args ->
+ if imgCtrl.IsMouseCaptured
+ then
+ zoomTo (args.GetPosition(imgCtrl)))
+
+ imgCtrl.MouseLeftButtonUp.AddHandler(fun obj args ->
+ if imgCtrl.IsMouseCaptured
+ then
+ imgCtrl.ReleaseMouseCapture())
+
+
+ let updatePreviews () =
+ stackPreviews.Children.Clear ()
+ for srcImg in state.SourceImages do
+ addPreview srcImg
+ updateCurrentImage ()
+
+ let updateGUI () =
+ txtPatient.Text <- state.PatientID
+ updatePreviews ()
+ updateGlobalParasitemia ()
+
+ txtPatient.TextChanged.AddHandler(fun obj args -> state.PatientID <- txtPatient.Text)
+
+ menuExit.Click.AddHandler(fun obj args ->
+ askSaveCurrent ()
+ mainWindow.Root.Close())
+
+ menuSaveFile.Click.AddHandler(fun obj args -> saveCurrentDocument ())
+
+ menuLoadFile.Click.AddHandler(fun obj args ->
// TODO: if current state not saved and not empty, ask to save it.
- let dialog = OpenFileDialog(Filter = Pia.filter)
+ let dialog = OpenFileDialog(Filter = PiaZ.filter)
let res = dialog.ShowDialog()
if res.HasValue && res.Value
then
+ askSaveCurrent ()
state.FilePath <- dialog.FileName
state.Load()
updateGUI ())
- newFile.Click.AddHandler(fun obj args ->
- // TODO: if current state not saved and not empty, ask to save it.
+ menuNewFile.Click.AddHandler(fun obj args ->
+ askSaveCurrent ()
state.Reset()
updateGUI())
- addSourceImage.Click.AddHandler(fun obj args ->
+ menuAddSourceImage.Click.AddHandler(fun obj args ->
let dialog = OpenFileDialog(Filter = "Image Files|*.png;*.jpg;*.tif;*.tiff")
let res = dialog.ShowDialog()
if res.HasValue && res.Value
then
- state.AddSourceImage(dialog.FileName)
- updatePreviews ())
+ let srcImg = state.AddSourceImage(dialog.FileName)
+ addPreview srcImg
+ updateGlobalParasitemia ()
+ if state.SourceImages.Count() = 1
+ then
+ updateCurrentImage ())
+
+ menuStartAnalysis.Click.AddHandler(fun obj args ->
+ if Analysis.showWindow mainWindow.Root state defaultConfig
+ then
+ updateGlobalParasitemia ()
+ updateCurrentImage ())
+
+ menuHightlightRBC.Click.AddHandler(fun obj args ->
+ displayHealthy <- menuHightlightRBC.IsChecked
+ updateRBCFramesPreview ()
+ updateRBCFramesCurrent ())
+
+ // Zoom on the current image.
+ let adjustCurrentImageBorders (deltaX: float) (deltaY: float) =
+ borderCurrentImage.BorderThickness <-
+ Thickness(
+ (scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
+ (scrollViewCurrentImage.ViewportHeight + deltaY) / 2.,
+ (scrollViewCurrentImage.ViewportWidth + deltaX) / 2.,
+ (scrollViewCurrentImage.ViewportHeight + deltaY) / 2.)
+
+ 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.))
+
+ 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.))
+
+ let mutable maxScale = 4.
+ let mutable minScale = 0.25
+ let currentImageScaleTransform = ScaleTransform()
+ canvasCurrentImage.LayoutTransform <- currentImageScaleTransform
+ 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
+ let previousScale = currentScale
+ currentScale <-
+ let newScale = currentScale * scaleFactor
+ 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
+
+ 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)
+
+ args.Handled <- true)
+
+ // Pan on the current image.
+ 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
+ args.Handled <- true)
+
+ borderCurrentImage.PreviewMouseMove.AddHandler(fun obj args ->
+ if borderCurrentImage.IsMouseCaptured
+ then
+ let position = args.GetPosition(scrollViewCurrentImage)
+ let deltaX = scrollStartPosition.X - position.X
+ let deltaY = scrollStartPosition.Y - position.Y
+ scrollViewCurrentImage.ScrollToHorizontalOffset(deltaX + scrollStartOffsetX)
+ scrollViewCurrentImage.ScrollToVerticalOffset(deltaY + scrollStartOffsetY)
- butStartAnalysis.Click.AddHandler(fun obj args -> ())
+ args.Handled <- true)
- (*let txtPatient: Controls.TextBox = ctrl "txtPatient"
- txtPatient.TextChanged.AddHandler(fun obj args ->
- state.PatientID <- txtPatient.Text)*)
+ borderCurrentImage.PreviewMouseLeftButtonUp.AddHandler(fun obj args ->
+ if borderCurrentImage.IsMouseCaptured
+ then
+ borderCurrentImage.Cursor <- Input.Cursors.Arrow
+ borderCurrentImage.ReleaseMouseCapture()
+ args.Handled <- true)
- (*saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*" ;
- saveFileDialog1.FilterIndex = 2 ;
- saveFileDialog1.RestoreDirectory = true ;*)
+ // Viewport preview.
+ scrollViewCurrentImage.ScrollChanged.AddHandler(fun obj args -> updateViewportPreview ())
- // display mainWindow img
mainWindow.Root.Show()
app.Run()
\ No newline at end of file
projects / master-thesis.git / blobdiff