a7bed54de884aaca34ff3b145568e6856e3d74a3
1
module Parasitemia.GUI.Main
7 open System.Windows.Media
8 open System.Windows.Markup
9 open System.Windows.Shapes
10 open System.Windows.Controls
11 open System.Diagnostics
12 open Microsoft.Win32 // For the common dialogs.
19 let run (defaultConfig
: Config) =
20 let app = new Application()
21 let mainWindow = Views.MainWindow()
22 let ctrl (name
: string): 'a =
23 mainWindow.Root.FindName(name) :?> 'a
25 let colorRBCHealthy = Brushes.YellowGreen
26 let colorRBCInfected = Brushes.Red
28 let state = State.State()
29 let mutable currentScale = 1.
30 let mutable displayHealthy = false
32 let menuExit: MenuItem = ctrl "menuExit"
33 let menuSaveFile: MenuItem = ctrl "menuSave"
34 let menuLoadFile: MenuItem = ctrl "menuOpen"
35 let menuNewFile: MenuItem = ctrl "menuNew"
36 let menuAddSourceImage: MenuItem = ctrl "menuAddSourceImage"
37 let menuStartAnalysis: MenuItem = ctrl "menuStartAnalysis"
38 let menuHightlightRBC: MenuItem = ctrl "menuHightlightRBC"
40 let txtPatient: TextBox = ctrl "txtPatient"
41 let txtGlobalParasitemia: TextBox = ctrl "txtGlobalParasitemia"
43 let stackPreviews: StackPanel = ctrl "stackPreviews"
45 let scrollViewCurrentImage: ScrollViewer = ctrl "scrollViewCurrentImage"
46 let borderCurrentImage: Border = ctrl "borderCurrentImage"
47 let canvasCurrentImage: Canvas = ctrl "canvasCurrentImage"
48 let txtImageInformation: TextBlock = ctrl "txtImageInformation"
50 let scrollRBC: ScrollViewer = ctrl "scrollRBC"
51 let stackRBC: StackPanel = ctrl "stackRBC"
54 menuHightlightRBC.IsChecked <- displayHealthy
57 let extractRBCPreview (img
: Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
>) (rbc
: RBC) : Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
> =
58 let rbcWidth = rbc
.size
.Width
59 let rbcHeight = rbc
.size
.Height
60 let x = rbc
.center
.X - rbcWidth / 2. |> Utils.roundInt
61 let y = rbc
.center
.Y - rbcHeight / 2. |> Utils.roundInt
62 let w = Utils.roundInt
rbcWidth
63 let h = Utils.roundInt
rbcHeight
64 img
.GetSubRect(System.Drawing.Rectangle(System.Drawing.Point((if x < 0 then 0 else x), (if y < 0 then 0 else y)),
65 System.Drawing.Size((if x + w >= img
.Width then img
.Width - x else w),
66 (if y + h >= img
.Height then img
.Height - y else h))))
68 let setRBCFrameStyle (rbc
: RBC) (frame
: Views.RBCFrame) =
69 frame
.Opacity <- if displayHealthy || rbc.setManually
|| rbc.infected
then 1. else 0.
70 let color = if rbc.infected
then colorRBCInfected else colorRBCHealthy
71 frame
.manuallyAdded
.Visibility <- if rbc.setManually
then Visibility.Visible else Visibility.Hidden
72 frame
.manuallyAdded
.Fill <- color
73 frame
.border
.Stroke <- color
75 let RBCFrameFromExisting (rbc: RBC) (frame
: Views.RBCFrame) : Views.RBCFrame =
76 frame
.Visibility <- Visibility.Visible
77 frame
.Height <- rbc.size
.Height
78 frame
.Width <- rbc.size
.Width
80 setRBCFrameStyle rbc frame
81 frame
.border
.StrokeThickness <- 1.
82 frame
.txtRBCNumber
.Text <- rbc.num
.ToString()
85 let highlightRBCFrame (frame
: Views.RBCFrame) (highlight
: bool) =
86 let rbc = frame
.Tag :?> RBC
89 frame
.border
.StrokeThickness <- 3.
90 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 1.
92 frame
.border
.StrokeThickness <- 1.
93 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 0.
95 let zoomToRBC (rbc: RBC) =
96 scrollViewCurrentImage.ScrollToHorizontalOffset(rbc.center
.X * currentScale - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
97 scrollViewCurrentImage.ScrollToVerticalOffset(rbc.center
.Y * currentScale - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
99 let parasitemiaText (nbTotal
: int, nbInfected
: int) : string =
104 let percent = 100. * (float nbInfected) / (float nbTotal)
105 sprintf
"%.1f %% (%d / %d)" percent nbInfected nbTotal
107 let updateCurrentImageInformation () =
108 match state.CurrentImage with
110 let parasitemiaStr = parasitemiaText (state.ImageParasitemia srcImg
)
111 txtImageInformation.Inlines.Clear()
112 txtImageInformation.Inlines.Add(Documents.Run("Parasitemia: ", FontWeight = FontWeights.Bold))
113 txtImageInformation.Inlines.Add(parasitemiaStr)
114 txtImageInformation.Inlines.Add(Documents.LineBreak())
116 txtImageInformation.Inlines.Add(Documents.Run("Average erytrocyte diameter: ", FontWeight = FontWeights.Bold))
117 txtImageInformation.Inlines.Add(Documents.Run(string (Utils.roundInt
<| 2. * srcImg
.rbcRadius
)))
118 txtImageInformation.Inlines.Add(Documents.Run(" px"))
119 txtImageInformation.Inlines.Add(Documents.LineBreak())
121 txtImageInformation.Inlines.Add(Documents.Run("Last analysis: ", FontWeight = FontWeights.Bold))
122 txtImageInformation.Inlines.Add(Documents.Run(if srcImg
.dateLastAnalysis
.Ticks = 0L then "<Never>" else srcImg.dateLastAnalysis
.ToLocalTime().ToString()))
125 let updateGlobalParasitemia () =
126 txtGlobalParasitemia.Text <- parasitemiaText state.GlobalParasitemia
128 let updateViewportPreview () =
129 for preview
in stackPreviews.Children |> Seq.cast
<Views.ImageSourcePreview> do
130 let srcImg = preview
.Tag :?> SourceImage
131 if Some srcImg = state.CurrentImage then
132 preview
.viewport
.Visibility <- Visibility.Visible
134 let canvasWidth = canvasCurrentImage.ActualWidth * currentScale
135 let canvasHeight = canvasCurrentImage.ActualHeight * currentScale
136 let previewWidth = (preview
.ActualWidth - preview
.BorderThickness.Left - preview
.BorderThickness.Right)
137 let previewHeight = (preview
.ActualHeight - preview
.BorderThickness.Top - preview
.BorderThickness.Bottom)
139 let marginLeft = previewWidth * (scrollViewCurrentImage.HorizontalOffset - borderCurrentImage.BorderThickness.Left) / canvasWidth - 2.
140 let marginRight = previewWidth * (canvasWidth - (scrollViewCurrentImage.HorizontalOffset - borderCurrentImage.BorderThickness.Right) - scrollViewCurrentImage.ViewportWidth) / canvasWidth - 2.
141 let marginTop = previewHeight * (scrollViewCurrentImage.VerticalOffset - borderCurrentImage.BorderThickness.Top) / canvasHeight - 2.
142 let marginBottom = previewHeight * (canvasHeight - (scrollViewCurrentImage.VerticalOffset - borderCurrentImage.BorderThickness.Bottom) - scrollViewCurrentImage.ViewportHeight) / canvasHeight - 2.
144 preview
.viewport
.Margin <-
151 preview
.viewport
.Visibility <- Visibility.Hidden
153 let rec setAsInfected
(rbc: RBC) (infected
: bool) =
154 state.SetAsInfected rbc infected
155 canvasCurrentImage.Children
156 |> Seq.cast
<Views.RBCFrame>
159 if (frame
.Tag :?> RBC) = rbc
161 setRBCFrameStyle rbc frame
)
162 updateRBCFramesPreview
()
163 updateCurrentImageInformation ()
164 updateGlobalParasitemia ()
166 and RBCFrame (rbc: RBC) : Views.RBCFrame =
167 let frame = RBCFrameFromExisting rbc (Views.RBCFrame())
168 frame.SetValue(Panel.ZIndexProperty, Int32.MaxValue - rbc.num
) // To be sure the
169 frame.menuRBCSetAsHealthy
.Click.AddHandler(fun obj args
-> setAsInfected
(frame.Tag :?> RBC) false)
170 frame.menuRBCSetAsInfected
.Click.AddHandler(fun obj args
-> setAsInfected
(frame.Tag :?> RBC) true)
171 frame.ContextMenuOpening.AddHandler(
173 if (frame.Tag :?> RBC).infected
175 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Visible
176 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Collapsed
178 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Collapsed
179 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Visible)
181 frame.ContextMenuClosing.AddHandler(fun obj args
-> if not
frame.IsMouseOver then highlightRBCFrame frame false )
182 frame.MouseEnter.AddHandler(fun obj args
-> highlightRBCFrame frame true)
183 frame.MouseLeave.AddHandler(fun obj args
-> if not
frame.grid
.ContextMenu.IsOpen then highlightRBCFrame frame false)
186 and updateRBCFramesPreview
() =
187 match state.CurrentImage with
189 let mutable currentPreview = 0
190 for rbc in srcImg.rbcs
|> List.filter
(fun rbc -> displayHealthy || rbc.infected
) do
191 let previewInfected =
192 if currentPreview < stackRBC.Children.Count
194 RBCFrameFromExisting rbc (stackRBC.Children.[currentPreview] :?> Views.RBCFrame)
197 f.MouseLeftButtonUp.AddHandler(fun obj args
-> zoomToRBC (f.Tag :?> RBC))
198 stackRBC.Children.Add(f) |> ignore
201 currentPreview <- currentPreview + 1
203 previewInfected.Height <- stackRBC.ActualHeight
204 previewInfected.Width <- stackRBC.ActualHeight * rbc.size
.Width / rbc.size
.Height
205 previewInfected.border
.Fill <- ImageBrush(BitmapSourceConvert.ToBitmapSource(extractRBCPreview srcImg.img
rbc))
207 stackRBC.Children.RemoveRange(currentPreview, stackRBC.Children.Count - currentPreview)
210 updateViewportPreview ()
212 let updateRBCFramesCurrent () =
213 match state.CurrentImage with
215 let mutable currentCanvas = 0
216 for rbc in srcImg.rbcs
do
218 if currentCanvas < canvasCurrentImage.Children.Count
220 RBCFrameFromExisting rbc (canvasCurrentImage.Children.[currentCanvas] :?> Views.RBCFrame)
223 f.Root.Opacity <- 0.7
224 canvasCurrentImage.Children.Add(f) |> ignore
227 currentCanvas <- currentCanvas + 1
229 Canvas.SetLeft(frame, rbc.center
.X - rbc.size
.Width / 2.)
230 Canvas.SetTop(frame, rbc.center
.Y - rbc.size
.Height / 2.)
232 for i
in currentCanvas .. canvasCurrentImage.Children.Count - 1 do
233 canvasCurrentImage.Children.[i
].Visibility <- Visibility.Hidden
236 let saveCurrentDocument () =
237 if state.FilePath = ""
239 let dialog = SaveFileDialog(AddExtension = true, DefaultExt = PiaZ.extension
, Filter = PiaZ.filter
);
240 let res = dialog.ShowDialog()
241 if res.HasValue && res.Value
243 state.FilePath <- dialog.FileName
248 // Ask the use to save the current document if neccessary.
249 let askSaveCurrent () =
250 if state.AlteredSinceLastSave
252 match MessageBox.Show("Would you like to save the current document?", "Saving the current document", MessageBoxButton.YesNo, MessageBoxImage.Question) with
253 | MessageBoxResult.Yes -> saveCurrentDocument ()
256 let updateCurrentImage () =
257 match state.CurrentImage with
259 // Highlight the preview.
260 stackPreviews.Children
261 |> Seq.cast
<Views.ImageSourcePreview>
262 |> Seq.iter
(fun preview
-> preview
.border
.BorderThickness <- Thickness(if preview
.Tag = (srcImg :> Object) then 3. else 0.))
264 canvasCurrentImage.Height <- float srcImg.img
.Height
265 canvasCurrentImage.Width <- float srcImg.img
.Width
266 canvasCurrentImage.Background <- ImageBrush(BitmapSourceConvert.ToBitmapSource(srcImg.img
))
268 updateRBCFramesCurrent ()
269 updateRBCFramesPreview
()
270 updateCurrentImageInformation ()
272 stackRBC.Children.Clear()
273 canvasCurrentImage.Children.Clear()
274 canvasCurrentImage.Background <- Brushes.Black
276 let setCurrentImage (srcImg: SourceImage) =
277 if state.CurrentImage.IsNone || state.CurrentImage.Value <> srcImg
279 state.CurrentImage <- Some srcImg
280 updateCurrentImage ()
282 let addPreview (srcImg: SourceImage) =
283 let imgCtrl = Views.ImageSourcePreview(Margin = Thickness(3.))
285 imgCtrl.menuRemoveImage
.Click.AddHandler(fun obj args
->
286 stackPreviews.Children.Remove(imgCtrl)
287 let srcImg = imgCtrl.Tag :?> SourceImage
288 let currentRemoved = Some srcImg = state.CurrentImage
289 state.RemoveSourceImage srcImg
293 stackPreviews.Children |> Seq.cast
<Views.ImageSourcePreview> |> Seq.iter
(fun imgPreview
-> imgPreview
.txtImageNumber
.Text <- (imgPreview
.Tag :?> SourceImage).num
.ToString()))
295 imgCtrl.Tag <- srcImg
296 imgCtrl.txtImageNumber
.Text <- srcImg.num
.ToString()
298 let height = srcImg.img
.Height * width / srcImg.img
.Width
299 imgCtrl.imagePreview
.Source <- BitmapSourceConvert.ToBitmapSource(srcImg.img
.Resize(width, height, Emgu.CV.CvEnum.Inter.Cubic))
300 stackPreviews.Children.Add(imgCtrl) |> ignore
302 // Zoom to a mouse position into the control 'imgCtrl'.
303 let zoomTo (mousePos
: Point) =
304 let canvasW = canvasCurrentImage.ActualWidth * currentScale
305 let canvasH = canvasCurrentImage.ActualHeight * currentScale
306 let centerX = (mousePos
.X - imgCtrl.BorderThickness.Left) / (imgCtrl.ActualWidth - imgCtrl.BorderThickness.Left) * canvasW
307 let centerY = (mousePos
.Y - imgCtrl.BorderThickness.Top) / (imgCtrl.ActualHeight - imgCtrl.BorderThickness.Top) * canvasH
308 scrollViewCurrentImage.ScrollToHorizontalOffset(centerX - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
309 scrollViewCurrentImage.ScrollToVerticalOffset(centerY - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
311 imgCtrl.MouseLeftButtonDown.AddHandler(fun obj args
->
312 setCurrentImage (state.SourceImages |> Seq.find
(fun srcImg -> (srcImg :> Object) = imgCtrl.Tag))
313 imgCtrl.UpdateLayout()
314 zoomTo (args
.GetPosition(imgCtrl))
315 imgCtrl.CaptureMouse() |> ignore
)
317 imgCtrl.MouseMove.AddHandler(fun obj args
->
318 if imgCtrl.IsMouseCaptured
320 zoomTo (args
.GetPosition(imgCtrl)))
322 imgCtrl.MouseLeftButtonUp.AddHandler(fun obj args
->
323 if imgCtrl.IsMouseCaptured
325 imgCtrl.ReleaseMouseCapture())
328 let updatePreviews () =
329 stackPreviews.Children.Clear ()
330 for srcImg in state.SourceImages do
332 updateCurrentImage ()
335 txtPatient.Text <- state.PatientID
337 updateGlobalParasitemia ()
339 txtPatient.TextChanged.AddHandler(fun obj args
-> state.PatientID <- txtPatient.Text)
341 menuExit.Click.AddHandler(fun obj args
->
343 mainWindow.Root.Close())
345 menuSaveFile.Click.AddHandler(fun obj args
-> saveCurrentDocument ())
347 menuLoadFile.Click.AddHandler(fun obj args
->
348 // TODO: if current state not saved and not empty, ask to save it.
349 let dialog = OpenFileDialog(Filter = PiaZ.filter
)
350 let res = dialog.ShowDialog()
351 if res.HasValue && res.Value
354 state.FilePath <- dialog.FileName
358 menuNewFile.Click.AddHandler(fun obj args
->
363 menuAddSourceImage.Click.AddHandler(fun obj args
->
364 let dialog = OpenFileDialog(Filter = "Image Files|*.png;*.jpg;*.tif;*.tiff")
365 let res = dialog.ShowDialog()
366 if res.HasValue && res.Value
368 let srcImg = state.AddSourceImage(dialog.FileName)
370 updateGlobalParasitemia ()
371 if state.SourceImages.Count() = 1
373 updateCurrentImage ())
375 menuStartAnalysis.Click.AddHandler(fun obj args
->
376 if Analysis.showWindow
mainWindow.Root state defaultConfig
378 updateGlobalParasitemia ()
379 updateCurrentImage ())
381 menuHightlightRBC.Click.AddHandler(fun obj args
->
382 displayHealthy <- menuHightlightRBC.IsChecked
383 updateRBCFramesPreview
()
384 updateRBCFramesCurrent ())
386 // Zoom on the current image.
387 let adjustCurrentImageBorders (deltaX
: float) (deltaY
: float) =
388 borderCurrentImage.BorderThickness <-
390 (scrollViewCurrentImage.ViewportWidth + deltaX
) / 2.,
391 (scrollViewCurrentImage.ViewportHeight + deltaY
) / 2.,
392 (scrollViewCurrentImage.ViewportWidth + deltaX
) / 2.,
393 (scrollViewCurrentImage.ViewportHeight + deltaY
) / 2.)
395 canvasCurrentImage.SizeChanged.AddHandler(fun obj args
->
396 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
397 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
398 if deltaX > 0.5 || deltaY > 0.5
400 adjustCurrentImageBorders 0.0
0.0
401 // Center the view at the center of the image initialy.
402 scrollViewCurrentImage.UpdateLayout()
403 scrollViewCurrentImage.ScrollToHorizontalOffset(borderCurrentImage.ActualWidth / 2. - scrollViewCurrentImage.ViewportWidth / 2.)
404 scrollViewCurrentImage.ScrollToVerticalOffset(borderCurrentImage.ActualHeight / 2. - scrollViewCurrentImage.ViewportHeight / 2.))
406 scrollViewCurrentImage.SizeChanged.AddHandler(fun obj args
->
407 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
408 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
409 adjustCurrentImageBorders deltaX deltaY
410 scrollViewCurrentImage.ScrollToHorizontalOffset(scrollViewCurrentImage.HorizontalOffset + deltaX / 8.)
411 scrollViewCurrentImage.ScrollToVerticalOffset(scrollViewCurrentImage.VerticalOffset + deltaY / 8.))
413 let mutable maxScale = 4.
414 let mutable minScale = 0.25
415 let currentImageScaleTransform = ScaleTransform()
416 canvasCurrentImage.LayoutTransform <- currentImageScaleTransform
417 borderCurrentImage.PreviewMouseWheel.AddHandler(fun obj args
->
418 let scaleFactor = if args
.Delta > 0 then 2.0 else 0.5
419 if scaleFactor > 1. && currentScale < maxScale || scaleFactor < 1. && currentScale > minScale
421 let previousScale = currentScale
423 let newScale = currentScale * scaleFactor
424 if newScale > maxScale then maxScale elif newScale < minScale then minScale else newScale
425 let realScaleFactor = currentScale / previousScale
427 let centerX = scrollViewCurrentImage.HorizontalOffset + scrollViewCurrentImage.ViewportWidth / 2. - borderCurrentImage.BorderThickness.Left
428 let centerY = scrollViewCurrentImage.VerticalOffset + scrollViewCurrentImage.ViewportHeight / 2. - borderCurrentImage.BorderThickness.Top
430 currentImageScaleTransform.ScaleX <- currentScale
431 currentImageScaleTransform.ScaleY <- currentScale
433 scrollViewCurrentImage.ScrollToHorizontalOffset(centerX * realScaleFactor - scrollViewCurrentImage.ViewportWidth / 2. + borderCurrentImage.BorderThickness.Left)
434 scrollViewCurrentImage.ScrollToVerticalOffset(centerY * realScaleFactor - scrollViewCurrentImage.ViewportHeight / 2. + borderCurrentImage.BorderThickness.Top)
436 args
.Handled <- true)
438 // Pan on the current image.
439 let mutable scrollStartPosition = Point(0., 0.)
440 let mutable scrollStartOffsetX = 0.
441 let mutable scrollStartOffsetY = 0.
442 borderCurrentImage.PreviewMouseLeftButtonDown.AddHandler(fun obj args
->
443 scrollStartPosition <- args
.GetPosition(scrollViewCurrentImage)
444 scrollStartOffsetX <- scrollViewCurrentImage.HorizontalOffset
445 scrollStartOffsetY <- scrollViewCurrentImage.VerticalOffset
446 borderCurrentImage.Cursor <- Input.Cursors.ScrollAll
447 borderCurrentImage.CaptureMouse() |> ignore
448 args
.Handled <- true)
450 borderCurrentImage.PreviewMouseMove.AddHandler(fun obj args
->
451 if borderCurrentImage.IsMouseCaptured
453 let position = args
.GetPosition(scrollViewCurrentImage)
454 let deltaX = scrollStartPosition.X - position.X
455 let deltaY = scrollStartPosition.Y - position.Y
456 scrollViewCurrentImage.ScrollToHorizontalOffset(deltaX + scrollStartOffsetX)
457 scrollViewCurrentImage.ScrollToVerticalOffset(deltaY + scrollStartOffsetY)
459 args
.Handled <- true)
461 borderCurrentImage.PreviewMouseLeftButtonUp.AddHandler(fun obj args
->
462 if borderCurrentImage.IsMouseCaptured
464 borderCurrentImage.Cursor <- Input.Cursors.Arrow
465 borderCurrentImage.ReleaseMouseCapture()
466 args
.Handled <- true)
469 scrollViewCurrentImage.ScrollChanged.AddHandler(fun obj args
-> updateViewportPreview ())
471 mainWindow.Root.Show()