GUI (work in progress..)
authorGreg Burri <greg.burri@gmail.com>
Sun, 10 Jan 2016 11:50:39 +0000 (12:50 +0100)
committerGreg Burri <greg.burri@gmail.com>
Sun, 10 Jan 2016 11:50:39 +0000 (12:50 +0100)
Parasitemia/Parasitemia/GUI/GUI.fs
Parasitemia/Parasitemia/GUI/MainWindow.xaml
Parasitemia/Parasitemia/GUI/Pia.fs
Parasitemia/Parasitemia/GUI/State.fs
Parasitemia/Parasitemia/GUI/Types.fs

index 6f11379..c6e6390 100644 (file)
@@ -25,7 +25,8 @@ let run (defaultConfig: Config) =
 
     // Utils.log <- (fun m -> log mainWindow m)
 
-    let currentImageMargin = 0.1 // 10 %.
+    let colorRBCHealthy = Brushes.Green
+    let colorRBCInfected = Brushes.Yellow
 
     let state = State.State()
 
@@ -53,8 +54,19 @@ let run (defaultConfig: Config) =
         canvasCurrentImage.Height <- float srcImg.img.Height
         canvasCurrentImage.Width <- float srcImg.img.Width
         canvasCurrentImage.Background <- ImageBrush(BitmapSourceConvert.ToBitmapSource(srcImg.img))
-        (*for rbc in srcImg.rbcs do
-            let rectangle = Rectangle(Height = float rbc.size.Height, Width = float rbc.size.Width, )*)
+
+        // Remove all image canvas children and add the RBC.
+        canvasCurrentImage.Children.Clear()
+        for rbc in (*srcImg.rbcs*) [{ num = 1; infected = true; addedManually = false; removed = false; center = Point(100., 100.); size = Size(40., 40.); stainArea = 10 }] do
+            let rectangle =
+                Rectangle(
+                    Height = rbc.size.Height,
+                    Width = rbc.size.Width,
+                    Stroke = (if rbc.infected then colorRBCInfected else colorRBCHealthy),
+                    StrokeThickness = 1.)
+            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
 
     let addPreview (srcImg: SourceImage) =
         let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
@@ -66,8 +78,11 @@ let run (defaultConfig: Config) =
 
     let updatePreviews () =
         stackPreviews.Children.Clear ()
-        for srcImg in state.SourceImages do
-            addPreview srcImg
+        if state.SourceImages.Count() > 0
+        then
+            for srcImg in state.SourceImages do
+                addPreview srcImg
+            setCurrentImage (state.SourceImages.First())
 
     let updateGUI () =
         txtPatient.Text <- state.PatientID
@@ -116,18 +131,37 @@ let run (defaultConfig: Config) =
     butStartAnalysis.Click.AddHandler(fun obj args -> ())
 
     // Zoom on the current image.
-    let adjustCurrentImageMargins () =
+    let adjustCurrentImageBorders (deltaX: float) (deltaY: float) =
         borderCurrentImage.BorderThickness <-
-            Thickness(scrollViewCurrentImage.ViewportWidth / 2., scrollViewCurrentImage.ViewportHeight / 2., scrollViewCurrentImage.ViewportWidth / 2., scrollViewCurrentImage.ViewportHeight / 2.)
-
-    scrollViewCurrentImage.Loaded.AddHandler(fun obj args -> adjustCurrentImageMargins ())
-    scrollViewCurrentImage.SizeChanged.AddHandler(fun obj args -> adjustCurrentImageMargins ())
+            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 = 5.
     let mutable minScale = 0.1
     let currentImageScaleTransform = ScaleTransform()
-    borderCurrentImage.LayoutTransform <- currentImageScaleTransform
+    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
@@ -138,15 +172,15 @@ let run (defaultConfig: Config) =
                 if newScale > maxScale then maxScale elif newScale < minScale then minScale else newScale
             let realScaleFactor = currentScale / previousScale
 
-            let centerX = scrollViewCurrentImage.HorizontalOffset + scrollViewCurrentImage.ViewportWidth / 2. - canvasCurrentImage.Margin.Left
-            let centerY = scrollViewCurrentImage.VerticalOffset + scrollViewCurrentImage.ViewportHeight / 2. - canvasCurrentImage.Margin.Top
+            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)
+            //canvasCurrentImage.Margin <- Thickness(canvasCurrentImage.Margin.Top * realScaleFactor)
             currentImageScaleTransform.ScaleX <- currentScale
             currentImageScaleTransform.ScaleY <- currentScale
 
-            scrollViewCurrentImage.ScrollToHorizontalOffset(centerX * realScaleFactor - scrollViewCurrentImage.ViewportWidth / 2. + canvasCurrentImage.Margin.Left)
-            scrollViewCurrentImage.ScrollToVerticalOffset(centerY * realScaleFactor - scrollViewCurrentImage.ViewportHeight / 2. + canvasCurrentImage.Margin.Top)
+            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.
@@ -178,14 +212,13 @@ let run (defaultConfig: Config) =
             borderCurrentImage.ReleaseMouseCapture()
             args.Handled <- true)
 
-
-    (*let txtPatient: Controls.TextBox = ctrl "txtPatient"
+    (* let txtPatient: Controls.TextBox = ctrl "txtPatient"
     txtPatient.TextChanged.AddHandler(fun obj args ->
-        state.PatientID <- txtPatient.Text)*)
+        state.PatientID <- txtPatient.Text) *)
 
-     (*saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*"  ;
+     (* saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*"  ;
      saveFileDialog1.FilterIndex = 2 ;
-     saveFileDialog1.RestoreDirectory = true ;*)
+     saveFileDialog1.RestoreDirectory = true ; *)
 
     // display mainWindow img
     mainWindow.Root.Show()
index 9b710e5..281493b 100644 (file)
@@ -1,5 +1,5 @@
 <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Name="MainWindow" Height="681.888" Width="787.61">
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Name="MainWindow" Height="681.888" Width="787.61" MinHeight="200" MinWidth="300">
    <DockPanel x:Name="dockPanelMain" LastChildFill="True">
       <Menu DockPanel.Dock="Top">
          <MenuItem Header="_File">
@@ -55,7 +55,7 @@
                <RowDefinition/>
                <RowDefinition Height="60"/>
             </Grid.RowDefinitions>
-            <ScrollViewer x:Name="scrollViewCurrentImage" Grid.Row="1" VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Visible" Background="Black" >
+            <ScrollViewer x:Name="scrollViewCurrentImage" Grid.Row="1" VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Visible" Background="Black" MinHeight="100" MinWidth="100">
                <Border x:Name="borderCurrentImage" BorderBrush="Transparent">
                   <Canvas x:Name="canvasCurrentImage" Height="100" Width="100" />
                </Border>
index 432bad9..1821f26 100644 (file)
@@ -1,7 +1,7 @@
 // ParasitemIA file format.
 module Parasitemia.GUI.Pia
 
-open System.Drawing
+open System.Windows
 open System.IO
 open System.IO.Compression
 
@@ -28,10 +28,10 @@ type JSONSourceImage = JsonProvider<"""
                 "infected": true,
                 "addedManually": false,
                 "removed": false,
-                "posX" : 42,
-                "posY" : 42,
-                "width" : 10,
-                "height" : 10,
+                "posX" : 42.5,
+                "posY" : 42.5,
+                "width" : 10.5,
+                "height" : 10.5,
                 "stainArea" : 10
             }
         ]
@@ -46,20 +46,38 @@ type JSONMainInformation = JsonProvider<"""
 """>
 
 let mainFilename = "info.json"
+let imageExtension = ".tiff"
 
 let save (filePath: string) (data: FileData) =
     use file = ZipFile.Open(filePath, ZipArchiveMode.Update)
 
-    let mainJSON = JSONMainInformation.Root(data.patientID)
-
-    let mainFile =
-        match file.GetEntry(mainFilename) with
-        | null -> file.CreateEntry(mainFilename)
-        | entry -> entry
+    for e in List.ofSeq file.Entries do // 'ofSeq' to not iterate a collection currently modified.
+        e.Delete()
 
+    // Main JSON file.
+    let mainJSON = JSONMainInformation.Root(data.patientID)
+    let mainFile = file.CreateEntry(mainFilename, CompressionLevel.Fastest)
     use mainFileWriter = new StreamWriter(mainFile.Open())
     mainJSON.JsonValue.WriteTo(mainFileWriter, JsonSaveOptions.None)
 
+    // Write each images and the associated information.
+    for imgSrc in data.sources do
+        let imgFilename = (string imgSrc.num) + imageExtension
+        let imgEntry = file.CreateEntry(imgFilename, CompressionLevel.NoCompression) // FIXME: It seems a compression is applied to this file despite of the 'NoCompression' flag.
+        imgSrc.img.ToBitmap().Save(imgEntry.Open(), System.Drawing.Imaging.ImageFormat.Tiff)
+
+        let imgJSON =
+            JSONSourceImage.Root([| for rbc in imgSrc.rbcs ->
+                                        JSONSourceImage.Rbc(
+                                            rbc.num,
+                                            rbc.infected, rbc.addedManually, rbc.removed,
+                                            decimal rbc.center.X, decimal rbc.center.Y, decimal rbc.size.Width, decimal rbc.size.Height,
+                                            rbc.stainArea) |])
+
+        let imgJSONEntry = file.CreateEntry(imgFilename + ".json", CompressionLevel.Fastest)
+        use imgJSONFileWriter = new StreamWriter(imgJSONEntry.Open())
+        imgJSON.JsonValue.WriteTo(imgJSONFileWriter, JsonSaveOptions.None)
+
 
 let load (filePath: string) : FileData =
     use file = ZipFile.Open(filePath, ZipArchiveMode.Read)
@@ -67,4 +85,19 @@ let load (filePath: string) : FileData =
     let mainFile = file.GetEntry(mainFilename)
     let mainJSON = JSONMainInformation.Load(mainFile.Open())
 
-    { sources = []; patientID = mainJSON.PatientId }
\ No newline at end of file
+    let sources = [
+        let mutable imgNum = 0
+        for imgEntry in file.Entries do
+            let filename = imgEntry.Name
+            if filename.EndsWith(imageExtension)
+            then
+                let img = new Image<Bgr, byte>(new System.Drawing.Bitmap(imgEntry.Open(), false)) // FIXME: Should we dispose the bitmap?
+                imgNum <- imgNum + 1
+                let imgJSONEntry = file.GetEntry(filename + ".json")
+                let imgJSON = JSONSourceImage.Load(imgJSONEntry.Open())
+                yield { num = imgNum; img = img; rbcs = [ for rbc in imgJSON.Rbcs ->
+                                                            { num = rbc.Num;
+                                                              infected = rbc.Infected; addedManually = rbc.AddedManually; removed = rbc.Removed;
+                                                              center = Point(float rbc.PosX, float rbc.PosY); size = Size(float rbc.Width, float rbc.Height);
+                                                              stainArea = rbc.StainArea } ] } ]
+    { sources = sources; patientID = mainJSON.PatientId }
\ No newline at end of file
index b35b331..4502536 100644 (file)
@@ -15,12 +15,14 @@ type State () =
     member val PatientID: string = "" with get, set
 
     member this.Save () =
-        let data = { Pia.sources = []; Pia.patientID = this.PatientID }
+        let data = { Pia.sources = List.ofSeq sourceImages; Pia.patientID = this.PatientID }
         Pia.save this.FilePath data
 
     member this.Load () =
         let data = Pia.load this.FilePath
         this.PatientID <- data.patientID
+        sourceImages.Clear()
+        sourceImages.InsertRange(0, data.sources)
 
     member this.AddSourceImage (filePath: string) : SourceImage =
         let srcImg = { num = sourceImages.Count + 1; rbcs = []; img = new Image<Bgr, byte>(filePath) }
index 4f1260f..d6e9cf9 100644 (file)
@@ -1,6 +1,6 @@
 module Parasitemia.GUI.Types
 
-open System.Drawing
+open System.Windows
 
 open Emgu.CV
 open Emgu.CV.Structure