1
module ParasitemiaUI.GUI
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.
18 open ParasitemiaCore.Config
19 open ParasitemiaCore.Utils
22 let run (defaultConfig
: Config) (fileToOpen
: string option) =
23 let app = new Application ()
24 let win = Views.MainWindow ()
26 let state = State.State defaultConfig
27 let mutable currentScale = 1.
28 let mutable displayHealthy = false
29 let warningBelowNumberOfRBC = 1000
32 let canvasCurrentImageColor = win.canvasCurrentImage
.Background
33 win.menuHightlightRBC
.IsChecked <- displayHealthy
36 let extractRBCPreview (img
: Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
>) (rbc
: RBC) : Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
> =
37 let rbcWidth = rbc
.size
.Width
38 let rbcHeight = rbc
.size
.Height
39 let x = rbc
.center
.X - rbcWidth / 2. |> roundInt
40 let y = rbc
.center
.Y - rbcHeight / 2. |> roundInt
41 let w = roundInt
rbcWidth
42 let h = roundInt
rbcHeight
44 System.Drawing.Rectangle (
45 System.Drawing.Point ((if x < 0 then 0 else x), (if y < 0 then 0 else y)),
46 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))
50 let setRBCFrameStyle (srcImg
: SourceImage) (rbc
: RBC) (frame
: Views.RBCFrame) =
51 frame
.Opacity <- if displayHealthy || rbc.setManually
|| rbc.infected
then 1. else 0.
52 let color = if rbc.infected
then srcImg
.InfectedRBCColor else srcImg.HealthyRBCColor
53 frame
.manuallyAdded
.Visibility <- if rbc.setManually
then Visibility.Visible else Visibility.Hidden
54 frame
.manuallyAdded
.Fill <- color
55 frame
.border
.Stroke <- color
57 let RBCFrameFromExisting (srcImg : SourceImage) (rbc : RBC) (frame
: Views.RBCFrame) : Views.RBCFrame =
58 frame
.Visibility <- Visibility.Visible
59 frame
.Height <- rbc.size
.Height
60 frame
.Width <- rbc.size
.Width
62 setRBCFrameStyle srcImg rbc frame
63 frame
.border
.StrokeThickness <- 1.
64 frame
.txtRBCNumber
.Text <- string rbc.num
67 let updateDocumentStatus () =
68 win.txtDocumentStatus
.Text <- if state.FilePath = "" then "<New document>" else state.FilePath
70 let statusMessageTimer = Threading.DispatcherTimer ()
71 statusMessageTimer.Tick.AddHandler (fun obj args
-> statusMessageTimer.Stop (); win.txtMessageStatus
.Text <- "")
72 statusMessageTimer.Interval <- TimeSpan (0, 0, 2)
73 let displayStatusMessage (message
: string) =
74 win.txtMessageStatus
.Text <- message
75 statusMessageTimer.Stop ()
76 statusMessageTimer.Start ()
78 let highlightRBCFrame (frame
: Views.RBCFrame) (highlight
: bool) =
79 let rbc = frame
.Tag :?> RBC
81 frame
.border
.StrokeThickness <- 3.
82 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 1.
84 frame
.border
.StrokeThickness <- 1.
85 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 0.
87 let zoomToRBC (rbc : RBC) =
88 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (rbc.center
.X * currentScale - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
89 win.scrollViewCurrentImage
.ScrollToVerticalOffset (rbc.center
.Y * currentScale - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
92 let txtImageName_TextChanged =
93 TextChangedEventHandler (fun obj args
-> state.CurrentImage |> Option.iter
(fun srcImg -> state.SetName srcImg win.txtImageName
.Text))
95 let updateCurrentImageInformation () =
96 win.txtImageName
.TextChanged.RemoveHandler (txtImageName_TextChanged)
97 win.txtImageInformation1
.Inlines.Clear ()
98 win.txtImageInformation2
.Inlines.Clear ()
99 win.txtImageName
.Text <- ""
101 match state.CurrentImage with
103 win.gridImageInformation
.Visibility <- Visibility.Visible
104 win.txtImageName
.Text <- srcImg.name
105 win.txtImageName
.TextChanged.AddHandler txtImageName_TextChanged
108 let parasitemiaStr = Utils.percentText
(state.ImageParasitemia srcImg)
109 win.txtImageInformation1
.Inlines.Add (Documents.Run ("Parasitemia: ", FontWeight = FontWeights.Bold))
110 win.txtImageInformation1
.Inlines.Add parasitemiaStr
111 win.txtImageInformation1
.Inlines.Add (Documents.LineBreak ())
113 win.txtImageInformation1
.Inlines.Add (Documents.Run ("Last analysis: ", FontWeight = FontWeights.Bold))
114 win.txtImageInformation1
.Inlines.Add (Documents.Run (if srcImg.dateLastAnalysis
.Ticks = 0L then "<Never>" else string (srcImg.dateLastAnalysis
.ToLocalTime())))
116 // The right part part.
117 win.txtImageInformation2
.Inlines.Add (Documents.Run ("Added infected erythrocyte: ", FontWeight = FontWeights.Bold))
118 win.txtImageInformation2
.Inlines.Add (Documents.Run ((state.ImageNbManuallyChangedRBCStr srcImg true) + " " + (state.ImageManuallyChangedRBCStr srcImg true)))
119 win.txtImageInformation2
.Inlines.Add (Documents.LineBreak ())
120 win.txtImageInformation2
.Inlines.Add (Documents.Run ("Removed infected erythrocyte: ", FontWeight = FontWeights.Bold))
121 win.txtImageInformation2
.Inlines.Add (Documents.Run ((state.ImageNbManuallyChangedRBCStr srcImg false) + " " + (state.ImageManuallyChangedRBCStr srcImg false)))
124 win.gridImageInformation
.Visibility <- Visibility.Hidden
126 let updateGlobalParasitemia () =
127 win.txtGlobalParasitemia
.Inlines.Clear ()
128 let total, infected
= state.GlobalParasitemia
129 win.txtGlobalParasitemia
.Inlines.Add (Documents.Run (Utils.percentText
(total, infected
), FontWeight = FontWeights.Bold))
130 if total > 0 && total < warningBelowNumberOfRBC then
131 win.txtGlobalParasitemia
.Inlines.Add (
133 sprintf
" Warning: the number of erythrocytes should be above %d" warningBelowNumberOfRBC,
134 FontWeight = FontWeights.Bold,
135 Foreground = Brushes.Red
139 let updateViewportPreview () =
140 for preview
in win.stackPreviews
.Children |> Seq.cast
<Views.ImageSourcePreview> do
141 let srcImg = preview
.Tag :?> SourceImage
142 if Some srcImg = state.CurrentImage then
143 preview
.viewport
.Visibility <- Visibility.Visible
145 let canvasWidth = win.canvasCurrentImage
.ActualWidth * currentScale
146 let canvasHeight = win.canvasCurrentImage
.ActualHeight * currentScale
147 let previewWidth = (preview
.ActualWidth - preview
.BorderThickness.Left - preview
.BorderThickness.Right)
148 let previewHeight = (preview
.ActualHeight - preview
.BorderThickness.Top - preview
.BorderThickness.Bottom)
150 let marginLeft = previewWidth * (win.scrollViewCurrentImage
.HorizontalOffset - win.borderCurrentImage
.BorderThickness.Left) / canvasWidth - 2.
151 let marginRight = previewWidth * (canvasWidth - (win.scrollViewCurrentImage
.HorizontalOffset - win.borderCurrentImage
.BorderThickness.Right) - win.scrollViewCurrentImage
.ViewportWidth) / canvasWidth - 2.
152 let marginTop = previewHeight * (win.scrollViewCurrentImage
.VerticalOffset - win.borderCurrentImage
.BorderThickness.Top) / canvasHeight - 2.
153 let marginBottom = previewHeight * (canvasHeight - (win.scrollViewCurrentImage
.VerticalOffset - win.borderCurrentImage
.BorderThickness.Bottom) - win.scrollViewCurrentImage
.ViewportHeight) / canvasHeight - 2.
155 preview
.viewport
.Margin <-
163 preview
.viewport
.Visibility <- Visibility.Hidden
165 let rec setAsInfected
(srcImg : SourceImage) (rbc : RBC) (infected
: bool) =
166 state.SetAsInfected rbc infected
167 win.canvasCurrentImage
.Children
168 |> Seq.cast
<Views.RBCFrame>
171 if (frame
.Tag :?> RBC) = rbc then
172 setRBCFrameStyle srcImg rbc frame
174 updateRBCFramesPreview
()
175 updateCurrentImageInformation ()
176 updateGlobalParasitemia ()
178 and RBCFrame (srcImg : SourceImage) (rbc : RBC) : Views.RBCFrame =
179 let frame = RBCFrameFromExisting srcImg rbc (Views.RBCFrame ())
180 frame.SetValue (Panel.ZIndexProperty, Int32.MaxValue - rbc.num
) // To be sure the
181 frame.menuRBCSetAsHealthy
.Click.AddHandler (fun obj args
-> setAsInfected
srcImg (frame.Tag :?> RBC) false)
182 frame.menuRBCSetAsInfected
.Click.AddHandler (fun obj args
-> setAsInfected
srcImg (frame.Tag :?> RBC) true)
183 frame.ContextMenuOpening.AddHandler (
185 if (frame.Tag :?> RBC).infected
then
186 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Visible
187 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Collapsed
189 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Collapsed
190 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Visible
192 frame.ContextMenuClosing.AddHandler (fun obj args
-> if not
frame.IsMouseOver then highlightRBCFrame frame false )
193 frame.MouseEnter.AddHandler (fun obj args
-> highlightRBCFrame frame true)
194 frame.MouseLeave.AddHandler (fun obj args
-> if not
frame.grid
.ContextMenu.IsOpen then highlightRBCFrame frame false)
197 and updateRBCFramesPreview
() =
198 match state.CurrentImage with
200 let mutable currentPreview = 0
201 for rbc in srcImg.rbcs
|> List.filter
(fun rbc -> displayHealthy || rbc.infected
) do
202 let previewInfected =
203 if currentPreview < win.stackRBC
.Children.Count then
204 RBCFrameFromExisting srcImg rbc (win.stackRBC
.Children.[currentPreview] :?> Views.RBCFrame)
206 let f = RBCFrame srcImg rbc
207 f.MouseLeftButtonUp.AddHandler (fun obj args
-> zoomToRBC (f.Tag :?> RBC))
208 win.stackRBC
.Children.Add f |> ignore
211 currentPreview <- currentPreview + 1
213 previewInfected.Height <- win.stackRBC
.ActualHeight
214 previewInfected.Width <- win.stackRBC
.ActualHeight * rbc.size
.Width / rbc.size
.Height
215 previewInfected.border
.Fill <- ImageBrush (BitmapSourceConvert.ToBitmapSource (extractRBCPreview srcImg.img
rbc))
217 win.stackRBC
.Children.RemoveRange (currentPreview, win.stackRBC
.Children.Count - currentPreview)
220 updateViewportPreview ()
222 let updateRBCFramesCurrent () =
223 match state.CurrentImage with
225 let mutable currentCanvas = 0
226 for rbc in srcImg.rbcs
do
228 if currentCanvas < win.canvasCurrentImage
.Children.Count then
229 RBCFrameFromExisting srcImg rbc (win.canvasCurrentImage
.Children.[currentCanvas] :?> Views.RBCFrame)
231 let f = RBCFrame srcImg rbc
232 win.canvasCurrentImage
.Children.Add f |> ignore
235 currentCanvas <- currentCanvas + 1
237 Canvas.SetLeft (frame, rbc.center
.X - rbc.size
.Width / 2.)
238 Canvas.SetTop (frame, rbc.center
.Y - rbc.size
.Height / 2.)
240 for i
in currentCanvas .. win.canvasCurrentImage
.Children.Count - 1 do
241 win.canvasCurrentImage
.Children.[i
].Visibility <- Visibility.Hidden
244 let askDocumentPathToSave () : string option =
245 let dialog = SaveFileDialog (AddExtension = true, DefaultExt = PiaZ.extension
, Filter = PiaZ.filter
)
247 if state.FilePath <> "" then
248 dialog.FileName <- FileInfo(state.FilePath).Name
249 elif
state.PatientID <> "" then
250 dialog.FileName <- state.PatientID + PiaZ.extension
252 let res = dialog.ShowDialog ()
253 if res.HasValue && res.Value then
258 let saveCurrentDocument () =
260 if state.FilePath = "" then
261 match askDocumentPathToSave () with
263 state.FilePath <- filepath
268 updateDocumentStatus ()
269 displayStatusMessage "Document saved"
271 | :? IOException as ex ->
273 MessageBox.Show (sprintf
"The document cannot be save in \"%s\"" state.FilePath, "Error saving the document", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
275 let saveCurrentDocumentAsNewFile () =
276 match askDocumentPathToSave () with
278 state.FilePath <- filepath
279 saveCurrentDocument ()
282 // Ask the use to save the current document if neccessary.
283 let askSaveCurrent () =
284 if state.AlteredSinceLastSave then
285 match MessageBox.Show ("Would you like to save the current document?", "Saving the current document", MessageBoxButton.YesNo, MessageBoxImage.Question) with
286 | MessageBoxResult.Yes -> saveCurrentDocument ()
289 let updateCurrentImage () =
290 match state.CurrentImage with
292 win.imgLogos
.Visibility <- Visibility.Collapsed
294 // Highlight the preview.
295 win.stackPreviews
.Children
296 |> Seq.cast
<Views.ImageSourcePreview>
297 |> Seq.iter
(fun preview
-> preview
.border
.BorderThickness <- Thickness (if preview
.Tag = (srcImg :> Object) then 3. else 0.))
299 win.canvasCurrentImage
.Height <- float srcImg.img
.Height
300 win.canvasCurrentImage
.Width <- float srcImg.img
.Width
301 win.canvasCurrentImage
.Background <- ImageBrush (BitmapSourceConvert.ToBitmapSource (srcImg.img
))
303 updateRBCFramesCurrent ()
304 updateRBCFramesPreview
()
307 win.imgLogos
.Visibility <- Visibility.Visible
309 win.stackRBC
.Children.Clear ()
310 win.canvasCurrentImage
.Children.Clear ()
311 win.canvasCurrentImage
.Background <- canvasCurrentImageColor
313 updateCurrentImageInformation ()
315 let setCurrentImage (srcImg : SourceImage) =
316 if state.CurrentImage.IsNone || state.CurrentImage.Value <> srcImg then
317 state.CurrentImage <- Some srcImg
318 updateCurrentImage ()
320 let addPreview (srcImg : SourceImage) =
321 let imgCtrl = Views.ImageSourcePreview (Margin = Thickness 3.)
323 imgCtrl.menuRemoveImage
.Click.AddHandler (
325 win.stackPreviews
.Children.Remove (imgCtrl)
326 let srcImg = imgCtrl.Tag :?> SourceImage
327 let currentRemoved = Some srcImg = state.CurrentImage
328 state.RemoveSourceImage srcImg
329 if currentRemoved then
330 updateCurrentImage ()
332 updateGlobalParasitemia ()
334 // Update image numbers.
335 win.stackPreviews
.Children |> Seq.cast
<Views.ImageSourcePreview> |> Seq.iter
(fun imgPreview
-> imgPreview
.txtImageNumber
.Text <- (imgPreview
.Tag :?> SourceImage).num
.ToString ())
338 imgCtrl.Tag <- srcImg
339 imgCtrl.txtImageNumber
.Text <- string srcImg.num
341 let height = srcImg.img
.Height * width / srcImg.img
.Width
342 imgCtrl.imagePreview
.Source <- BitmapSourceConvert.ToBitmapSource (srcImg.img
.Resize (width, height, Emgu.CV.CvEnum.Inter.Cubic))
343 win.stackPreviews
.Children.Add imgCtrl |> ignore
345 // Zoom to a mouse position into the control 'imgCtrl'.
346 let zoomTo (mousePos
: Point) =
347 let canvasW = win.canvasCurrentImage
.ActualWidth * currentScale
348 let canvasH = win.canvasCurrentImage
.ActualHeight * currentScale
349 let centerX = (mousePos
.X - imgCtrl.BorderThickness.Left) / (imgCtrl.ActualWidth - imgCtrl.BorderThickness.Left) * canvasW
350 let centerY = (mousePos
.Y - imgCtrl.BorderThickness.Top) / (imgCtrl.ActualHeight - imgCtrl.BorderThickness.Top) * canvasH
351 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (centerX - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
352 win.scrollViewCurrentImage
.ScrollToVerticalOffset (centerY - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
354 imgCtrl.MouseLeftButtonDown.AddHandler (
356 setCurrentImage (state.SourceImages |> Seq.find
(fun srcImg -> (srcImg :> Object) = imgCtrl.Tag))
357 imgCtrl.UpdateLayout ()
358 zoomTo (args
.GetPosition (imgCtrl))
359 imgCtrl.CaptureMouse () |> ignore
362 imgCtrl.MouseMove.AddHandler (
364 if imgCtrl.IsMouseCaptured then
365 zoomTo (args
.GetPosition imgCtrl)
368 imgCtrl.MouseLeftButtonUp.AddHandler (
370 if imgCtrl.IsMouseCaptured then
371 imgCtrl.ReleaseMouseCapture ()
374 let updatePreviews () =
375 win.stackPreviews
.Children.Clear ()
376 for srcImg in state.SourceImages do
378 updateCurrentImage ()
381 win.txtPatient
.Text <- state.PatientID
383 updateGlobalParasitemia ()
384 updateDocumentStatus ()
386 let loadFile (filepath
: string) =
388 let previousFilePath = state.FilePath
390 state.FilePath <- filepath
394 | :? IOException as ex ->
396 state.FilePath <- previousFilePath
397 MessageBox.Show (sprintf
"The document cannot be loaded from \"%s\"" filepath
, "Error loading the document", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
400 let dialog = OpenFileDialog (Filter = PiaZ.filter
)
401 let res = dialog.ShowDialog ()
402 if res.HasValue && res.Value then
403 loadFile dialog.FileName
410 let exportResults () =
411 let extension = ".txt"
412 let dialog = SaveFileDialog (AddExtension = true, DefaultExt = extension)
414 if state.FilePath <> "" then
415 dialog.FileName <- Path.GetFileNameWithoutExtension state.FilePath + extension
416 elif
state.PatientID <> "" then
417 dialog.FileName <- state.PatientID + extension
419 let res = dialog.ShowDialog ()
420 if res.HasValue && res.Value then
422 Export.exportResults state dialog.FileName
424 | :? IOException as ex ->
426 MessageBox.Show (sprintf
"The results cannot be exported in \"%s\"" state.FilePath, "Error exporting the files", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
429 let dialog = OpenFileDialog (Filter = "Image Files|*.png;*.jpg;*.tif;*.tiff", Multiselect = true)
430 let res = dialog.ShowDialog ()
431 if res.HasValue && res.Value then
432 let noSourceImage = state.SourceImages.Count () = 0
434 for filename
in dialog.FileNames do
436 let srcImg = state.AddSourceImage filename defaultConfig
441 MessageBox.Show (sprintf
"Unable to read the image from \"%s\"" filename, "Error adding an image", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
443 updateGlobalParasitemia ()
445 if noSourceImage then
446 updateCurrentImage ()
448 let showAnalysisWindow () =
449 if Analysis.showWindow
win state then
450 updateGlobalParasitemia ()
451 updateCurrentImage ()
453 let setHighlightRBC (highlight
: bool) =
454 displayHealthy <- highlight
455 updateRBCFramesPreview
()
456 updateRBCFramesCurrent ()
458 win.txtPatient
.TextChanged.AddHandler (fun obj args
-> state.PatientID <- win.txtPatient
.Text)
460 win.menuExit
.Click.AddHandler (fun obj args
-> win.Close ())
461 win.menuSave
.Click.AddHandler (fun obj args
-> saveCurrentDocument ())
462 win.menuSaveAs
.Click.AddHandler (fun obj args
-> saveCurrentDocumentAsNewFile ())
463 win.menuOpen
.Click.AddHandler (fun obj args
-> askLoadFile ())
464 win.menuNew
.Click.AddHandler (fun obj args
-> newFile ())
465 win.menuExportResults
.Click.AddHandler (fun obj args
-> exportResults ())
467 win.menuAddSourceImage
.Click.AddHandler (fun obj args
-> importImage ())
469 win.menuAnalysis
.SubmenuOpened.AddHandler (fun obj args
-> win.menuStartAnalysis
.IsEnabled <- state.SourceImages.Count () > 0)
471 win.menuStartAnalysis
.Click.AddHandler (fun obj args
-> showAnalysisWindow ())
473 win.menuHightlightRBC
.Click.AddHandler (fun obj args
-> setHighlightRBC win.menuHightlightRBC
.IsChecked)
475 win.menuAbout
.Click.AddHandler (fun obj args
-> About.showWindow
win)
477 win.Closing.AddHandler (fun obj args
-> askSaveCurrent ())
479 // Zoom on the current image.
480 let adjustCurrentImageBorders (deltaX
: float) (deltaY
: float) =
481 win.borderCurrentImage
.BorderThickness <-
483 (win.scrollViewCurrentImage
.ViewportWidth + deltaX
) / 2.,
484 (win.scrollViewCurrentImage
.ViewportHeight + deltaY
) / 2.,
485 (win.scrollViewCurrentImage
.ViewportWidth + deltaX
) / 2.,
486 (win.scrollViewCurrentImage
.ViewportHeight + deltaY
) / 2.
489 win.canvasCurrentImage
.SizeChanged.AddHandler (
491 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
492 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
493 if deltaX > 0.5 || deltaY > 0.5 then
494 adjustCurrentImageBorders 0.0
0.0
495 // Center the view at the center of the image initialy.
496 win.scrollViewCurrentImage
.UpdateLayout ()
497 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (win.borderCurrentImage
.ActualWidth / 2. - win.scrollViewCurrentImage
.ViewportWidth / 2.)
498 win.scrollViewCurrentImage
.ScrollToVerticalOffset (win.borderCurrentImage
.ActualHeight / 2. - win.scrollViewCurrentImage
.ViewportHeight / 2.)
501 win.scrollViewCurrentImage
.SizeChanged.AddHandler (
503 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
504 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
505 adjustCurrentImageBorders deltaX deltaY
506 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (win.scrollViewCurrentImage
.HorizontalOffset + deltaX / 8.)
507 win.scrollViewCurrentImage
.ScrollToVerticalOffset (win.scrollViewCurrentImage
.VerticalOffset + deltaY / 8.)
510 let mutable maxScale = 4.
511 let mutable minScale = 0.25
512 let currentImageScaleTransform = ScaleTransform ()
513 win.canvasCurrentImage
.LayoutTransform <- currentImageScaleTransform
514 win.borderCurrentImage
.PreviewMouseWheel.AddHandler (
516 let scaleFactor = if args
.Delta > 0 then 2.0 else 0.5
517 if scaleFactor > 1. && currentScale < maxScale || scaleFactor < 1. && currentScale > minScale then
518 let previousScale = currentScale
520 let newScale = currentScale * scaleFactor
521 if newScale > maxScale then maxScale elif newScale < minScale then minScale else newScale
522 let realScaleFactor = currentScale / previousScale
524 let centerX = win.scrollViewCurrentImage
.HorizontalOffset + win.scrollViewCurrentImage
.ViewportWidth / 2. - win.borderCurrentImage
.BorderThickness.Left
525 let centerY = win.scrollViewCurrentImage
.VerticalOffset + win.scrollViewCurrentImage
.ViewportHeight / 2. - win.borderCurrentImage
.BorderThickness.Top
527 currentImageScaleTransform.ScaleX <- currentScale
528 currentImageScaleTransform.ScaleY <- currentScale
530 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (centerX * realScaleFactor - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
531 win.scrollViewCurrentImage
.ScrollToVerticalOffset (centerY * realScaleFactor - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
536 // Pan on the current image.
537 let mutable scrollStartPosition = Point (0., 0.)
538 let mutable scrollStartOffsetX = 0.
539 let mutable scrollStartOffsetY = 0.
540 win.borderCurrentImage
.PreviewMouseLeftButtonDown.AddHandler (
542 scrollStartPosition <- args
.GetPosition win.scrollViewCurrentImage
543 scrollStartOffsetX <- win.scrollViewCurrentImage
.HorizontalOffset
544 scrollStartOffsetY <- win.scrollViewCurrentImage
.VerticalOffset
545 win.borderCurrentImage
.Cursor <- Input.Cursors.ScrollAll
546 win.borderCurrentImage
.CaptureMouse () |> ignore
550 win.borderCurrentImage
.PreviewMouseMove.AddHandler (
552 if win.borderCurrentImage
.IsMouseCaptured then
553 let position = args
.GetPosition win.scrollViewCurrentImage
554 let deltaX = scrollStartPosition.X - position.X
555 let deltaY = scrollStartPosition.Y - position.Y
556 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (deltaX + scrollStartOffsetX)
557 win.scrollViewCurrentImage
.ScrollToVerticalOffset (deltaY + scrollStartOffsetY)
562 win.borderCurrentImage
.PreviewMouseLeftButtonUp.AddHandler (
564 if win.borderCurrentImage
.IsMouseCaptured then
565 win.borderCurrentImage
.Cursor <- Input.Cursors.Arrow
566 win.borderCurrentImage
.ReleaseMouseCapture ()
572 win.InputBindings.Add (
574 ViewModule.FunCommand ((fun obj
-> saveCurrentDocument ()), (fun obj
-> true)),
575 Input.KeyGesture (Input.Key.S, Input.ModifierKeys.Control)
580 win.InputBindings.Add (
582 ViewModule.FunCommand ((fun obj
-> saveCurrentDocumentAsNewFile ()), (fun obj
-> true)),
583 Input.KeyGesture (Input.Key.S, Input.ModifierKeys.Control ||| Input.ModifierKeys.Shift)
588 win.InputBindings.Add (
590 ViewModule.FunCommand ((fun obj
-> askLoadFile ()), (fun obj
-> true)),
591 Input.KeyGesture (Input.Key.O, Input.ModifierKeys.Control)
596 win.InputBindings.Add (
598 ViewModule.FunCommand ((fun obj
-> newFile ()), (fun obj
-> true)),
599 Input.KeyGesture (Input.Key.N, Input.ModifierKeys.Control)
604 win.InputBindings.Add (
606 ViewModule.FunCommand ((fun obj
-> exportResults ()), (fun obj
-> true)),
607 Input.KeyGesture (Input.Key.E, Input.ModifierKeys.Control)
612 win.InputBindings.Add (
614 ViewModule.FunCommand ((fun obj
-> importImage ()), (fun obj
-> true)),
615 Input.KeyGesture (Input.Key.A, Input.ModifierKeys.Control)
619 // Show analysis dialog.
620 win.InputBindings.Add (
622 ViewModule.FunCommand ((fun obj
-> showAnalysisWindow ()), (fun obj
-> state.SourceImages.Count () > 0)),
623 Input.KeyGesture (Input.Key.Y, Input.ModifierKeys.Control)
627 // Toggle RBC highlight.
628 win.InputBindings.Add (
630 ViewModule.FunCommand (
633 win.menuHightlightRBC
.IsChecked <- not
win.menuHightlightRBC
.IsChecked
634 setHighlightRBC win.menuHightlightRBC
.IsChecked
638 Input.KeyGesture (Input.Key.H, Input.ModifierKeys.Control)
643 win.scrollViewCurrentImage
.ScrollChanged.AddHandler (fun obj args
-> updateViewportPreview ())
645 updateDocumentStatus ()
646 win.gridImageInformation
.Visibility <- Visibility.Hidden
650 match fileToOpen
with
651 | Some filepath
-> loadFile filepath