-module Parasitemia.GUI
+module Parasitemia.GUI.Main
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()
// Utils.log <- (fun m -> log mainWindow m)
+ let colorRBCHealthy = Brushes.YellowGreen
+ let colorRBCInfected = Brushes.Red
+
let state = State.State()
- let exit: Controls.MenuItem = ctrl "menuExit"
- let save: Controls.MenuItem = ctrl "menuSave"
- let load: Controls.MenuItem = ctrl "menuOpen"
+ 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 txtPatient: TextBox = ctrl "txtPatient"
+ let stackPreviews: StackPanel = ctrl "stackPreviews"
+ let butStartAnalysis: Button = ctrl "butStartAnalysis"
- let txtPatient: Controls.TextBox = ctrl "txtPatient"
+ let scrollViewCurrentImage: ScrollViewer = ctrl "scrollViewCurrentImage"
+ let borderCurrentImage: Border = ctrl "borderCurrentImage"
+ let canvasCurrentImage: Canvas = ctrl "canvasCurrentImage"
+ // Initializations.
+ // Operations.
let synchronizeState () =
state.PatientID <- txtPatient.Text
- let synchronizeView () =
+ let setCurrentImage (srcImg: SourceImage) =
+ state.CurrentImage <- Some srcImg
+
+ // Highlight the preview.
+ stackPreviews.Children
+ |> Seq.cast<Views.ImageSourcePreview>
+ |> Seq.iter (fun preview -> preview.border.BorderThickness <- Thickness(if preview.lblImageNumber.Content = box srcImg.num then 3. else 0.))
+
+ canvasCurrentImage.Height <- float srcImg.img.Height
+ canvasCurrentImage.Width <- float srcImg.img.Width
+ canvasCurrentImage.Background <- ImageBrush(BitmapSourceConvert.ToBitmapSource(srcImg.img))
+
+ // Remove all image canvas children and add the RBC.
+ canvasCurrentImage.Children.Clear()
+ for rbc in srcImg.rbcs do
+ let rectangle =
+ Rectangle(
+ Height = rbc.size.Height,
+ Width = rbc.size.Width,
+ Stroke = (if rbc.infected then colorRBCInfected else colorRBCHealthy),
+ StrokeThickness = 1.,
+ Fill = SolidColorBrush(Color.FromArgb(0uy, 0uy, 0uy, 0uy)),
+ Tag = rbc,
+ Opacity = if rbc.infected then 1. else 0.)
+ Canvas.SetLeft(rectangle, rbc.center.X - rbc.size.Width / 2.)
+ Canvas.SetTop(rectangle, rbc.center.Y - rbc.size.Height / 2.)
+ canvasCurrentImage.Children.Add(rectangle) |> ignore
+ rectangle.MouseEnter.AddHandler(
+ fun obj args -> match obj with
+ | :? Rectangle as r ->
+ r.StrokeThickness <- 3.
+ if not (r.Tag :?> RBC).infected then r.Opacity <- 1.
+ | _ -> ())
+ rectangle.MouseLeave.AddHandler(
+ fun obj args -> match obj with
+ | :? Rectangle as r ->
+ r.StrokeThickness <- 1.
+ if not (r.Tag :?> RBC).infected then r.Opacity <- 0.
+ | _ -> ())
+
+ let addPreview (srcImg: SourceImage) =
+ let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
+ imgCtrl.lblImageNumber.Content <- srcImg.num
+ 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
+ imgCtrl.MouseLeftButtonUp.AddHandler(fun obj args -> setCurrentImage (state.SourceImages |> Seq.find (fun i -> box i.num = (obj :?> Views.ImageSourcePreview).lblImageNumber.Content)))
+
+ let updatePreviews () =
+ stackPreviews.Children.Clear ()
+ if state.SourceImages.Count() > 0
+ then
+ for srcImg in state.SourceImages do
+ addPreview srcImg
+ setCurrentImage (state.SourceImages.First())
+
+ let updateGUI () =
txtPatient.Text <- state.PatientID
+ updatePreviews ()
exit.Click.AddHandler(fun obj args -> mainWindow.Root.Close())
- save.Click.AddHandler(fun obj args ->
+ saveFile.Click.AddHandler(fun obj args ->
synchronizeState ()
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
else
state.Save())
- load.Click.AddHandler(fun obj args ->
+ loadFile.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
state.FilePath <- dialog.FileName
state.Load()
- synchronizeView ())
+ updateGUI ())
- (*let txtPatient: Controls.TextBox = ctrl "txtPatient"
- txtPatient.TextChanged.AddHandler(fun obj args ->
- state.PatientID <- txtPatient.Text)*)
+ newFile.Click.AddHandler(fun obj args ->
+ // TODO: if current state not saved and not empty, ask to save it.
+ state.Reset()
+ updateGUI())
- (*saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*" ;
- saveFileDialog1.FilterIndex = 2 ;
- saveFileDialog1.RestoreDirectory = true ;*)
+ addSourceImage.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
+ let srcImg = state.AddSourceImage(dialog.FileName)
+ addPreview srcImg
+ if state.SourceImages.Count() = 1
+ then
+ setCurrentImage srcImg)
+
+ butStartAnalysis.Click.AddHandler(fun obj args ->
+ let results = ImageAnalysis.doMultipleAnalysis (state.SourceImages |> Seq.map (fun srcImg -> string srcImg.num, srcImg.img) |> Seq.toList) defaultConfig
+ for id, cells in results do
+ state.SetResult (int id) cells
+ )
+
+ // 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 currentScale = 1.
+ 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
+
+ //canvasCurrentImage.Margin <- Thickness(canvasCurrentImage.Margin.Top * realScaleFactor)
+ 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)
+ args.Handled <- true)
+
+ borderCurrentImage.PreviewMouseLeftButtonUp.AddHandler(fun obj args ->
+ if borderCurrentImage.IsMouseCaptured
+ then
+ borderCurrentImage.Cursor <- Input.Cursors.Arrow
+ borderCurrentImage.ReleaseMouseCapture()
+ args.Handled <- true)
// display mainWindow img
mainWindow.Root.Show()