1
module ParasitemiaUI.GUI
7 open System.Windows.Media
8 open System.Windows.Controls
9 open Microsoft.Win32 // For the common dialogs.
13 open ParasitemiaUIControls
14 open ParasitemiaCore.Config
15 open ParasitemiaCore.Utils
18 let run (defaultConfig
: Config) (fileToOpen
: string option) =
19 let app = new Application ()
20 let win = MainWindow ()
22 let state = State.State defaultConfig
23 let mutable currentScale = 1.
24 let mutable displayHealthy = false
25 let warningBelowNumberOfRBC = 1000
28 let canvasCurrentImageColor = win.canvasCurrentImage
.Background
29 win.menuHightlightRBC
.IsChecked <- displayHealthy
32 let extractRBCPreview (img
: Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
>) (rbc
: RBC) : Emgu.CV.Image<Emgu.CV.Structure.Bgr, byte
> =
33 let rbcWidth = rbc
.size
.Width
34 let rbcHeight = rbc
.size
.Height
35 let x = rbc
.center
.X - rbcWidth / 2. |> roundInt
36 let y = rbc
.center
.Y - rbcHeight / 2. |> roundInt
37 let w = roundInt
rbcWidth
38 let h = roundInt
rbcHeight
40 System.Drawing.Rectangle (
41 System.Drawing.Point ((if x < 0 then 0 else x), (if y < 0 then 0 else y)),
42 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))
46 let setRBCFrameStyle (srcImg
: SourceImage) (rbc
: RBC) (frame
: RBCFrame) =
47 frame
.Opacity <- if displayHealthy || rbc.setManually
|| rbc.infected
then 1. else 0.
48 let color = if rbc.infected
then srcImg
.InfectedRBCColor else srcImg.HealthyRBCColor
49 frame
.manuallyAdded
.Visibility <- if rbc.setManually
then Visibility.Visible else Visibility.Hidden
50 frame
.manuallyAdded
.Fill <- color
51 frame
.border
.Stroke <- color
53 let frameStrokeThickness (averageRBCSize
: float) =
54 max
1. (averageRBCSize
/ 60.)
56 let frameFontSize (averageRBCSize
: float) =
57 max
1. (averageRBCSize
/ 8.)
59 let createRBCFrameFromExisting (srcImg : SourceImage) (rbc : RBC) (frame
: RBCFrame) (frameThickness
: float) (fontSize
: float) : RBCFrame =
60 frame
.Visibility <- Visibility.Visible
61 frame
.Width <- rbc.size
.Width
62 frame
.Height <- rbc.size
.Height
64 setRBCFrameStyle srcImg rbc frame
65 frame
.border
.StrokeThickness <- frameThickness
66 frame
.txtRBCNumber
.Text <- string rbc.num
67 frame
.txtRBCNumber
.FontSize <- fontSize
70 let updateDocumentStatus () =
71 win.txtDocumentStatus
.Text <- if state.FilePath = "" then "<New document>" else state.FilePath
73 let statusMessageTimer = Threading.DispatcherTimer ()
74 statusMessageTimer.Tick.AddHandler (fun obj args
-> statusMessageTimer.Stop (); win.txtMessageStatus
.Text <- "")
75 statusMessageTimer.Interval <- TimeSpan (0, 0, 2)
77 // To show a use message while a short period of time.
78 let displayStatusMessage (message : string) =
79 win.txtMessageStatus
.Text <- message
80 statusMessageTimer.Stop ()
81 statusMessageTimer.Start ()
83 let highlightRBCFrame (frame
: RBCFrame) (highlight
: bool) =
84 let rbc = frame
.Tag :?> RBC
86 frame
.border
.StrokeThickness <- 3. * frame
.border
.StrokeThickness
87 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 1.
89 frame
.border
.StrokeThickness <- frame
.border
.StrokeThickness / 3.
90 if not
rbc.infected
&& not
rbc.setManually
&& not
displayHealthy then frame
.Opacity <- 0.
92 let zoomToRBC (rbc : RBC) =
93 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (rbc.center
.X * currentScale - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
94 win.scrollViewCurrentImage
.ScrollToVerticalOffset (rbc.center
.Y * currentScale - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
96 let txtImageName_TextChanged =
97 TextChangedEventHandler (fun obj args
-> state.CurrentImage |> Option.iter
(fun srcImg -> state.SetName srcImg win.txtImageName
.Text))
99 let updateCurrentImageInformation () =
100 win.txtImageName
.TextChanged.RemoveHandler (txtImageName_TextChanged)
101 win.txtImageInformation1
.Inlines.Clear ()
102 win.txtImageInformation2
.Inlines.Clear ()
103 win.txtImageName
.Text <- ""
105 match state.CurrentImage with
107 win.gridImageInformation
.Visibility <- Visibility.Visible
108 win.txtImageName
.Text <- srcImg.Name
109 win.txtImageName
.TextChanged.AddHandler txtImageName_TextChanged
112 let parasitemiaStr = Utils.percentText
srcImg.ImageParasitemia
113 win.txtImageInformation1
.Inlines.Add (Documents.Run ("Parasitemia: ", FontWeight = FontWeights.Bold))
114 win.txtImageInformation1
.Inlines.Add parasitemiaStr
115 win.txtImageInformation1
.Inlines.Add (Documents.LineBreak ())
117 win.txtImageInformation1
.Inlines.Add (Documents.Run ("Last analysis: ", FontWeight = FontWeights.Bold))
118 win.txtImageInformation1
.Inlines.Add (Documents.Run (if srcImg.DateLastAnalysis.Ticks = 0L then "<Never>" else string (srcImg.DateLastAnalysis.ToLocalTime())))
120 // The right part part.
121 win.txtImageInformation2
.Inlines.Add (Documents.Run ("Added infected erythrocyte: ", FontWeight = FontWeights.Bold))
122 win.txtImageInformation2
.Inlines.Add (Documents.Run ((srcImg.ImageNbManuallyChangedRBCStr true) + " " + (srcImg.ImageManuallyChangedRBCStr true)))
123 win.txtImageInformation2
.Inlines.Add (Documents.LineBreak ())
124 win.txtImageInformation2
.Inlines.Add (Documents.Run ("Removed infected erythrocyte: ", FontWeight = FontWeights.Bold))
125 win.txtImageInformation2
.Inlines.Add (Documents.Run ((srcImg.ImageNbManuallyChangedRBCStr false) + " " + (srcImg.ImageManuallyChangedRBCStr false)))
128 win.gridImageInformation
.Visibility <- Visibility.Hidden
130 let updateGlobalParasitemia () =
131 win.txtGlobalParasitemia
.Inlines.Clear ()
132 let total, infected
= state.GlobalParasitemia
133 win.txtGlobalParasitemia
.Inlines.Add (Documents.Run (Utils.percentText
(total, infected
), FontWeight = FontWeights.Bold))
134 if total > 0 && total < warningBelowNumberOfRBC then
135 win.txtGlobalParasitemia
.Inlines.Add (
137 sprintf
" Warning: the number of erythrocytes should be above %d" warningBelowNumberOfRBC,
138 FontWeight = FontWeights.Bold,
139 Foreground = Brushes.Red
143 let updateViewportPreview () =
144 for preview
in win.stackPreviews
.Children |> Seq.cast
<ImageSourcePreview> do
145 let srcImg = preview
.Tag :?> SourceImage
146 if Some srcImg = state.CurrentImage then
147 preview
.viewport
.Visibility <- Visibility.Visible
149 let canvasWidth = win.canvasCurrentImage
.ActualWidth * currentScale
150 let canvasHeight = win.canvasCurrentImage
.ActualHeight * currentScale
151 let previewWidth = (preview
.ActualWidth - preview
.BorderThickness.Left - preview
.BorderThickness.Right)
152 let previewHeight = (preview
.ActualHeight - preview
.BorderThickness.Top - preview
.BorderThickness.Bottom)
154 let marginLeft = previewWidth * (win.scrollViewCurrentImage
.HorizontalOffset - win.borderCurrentImage
.BorderThickness.Left) / canvasWidth - 2.
155 let marginRight = previewWidth * (canvasWidth - (win.scrollViewCurrentImage
.HorizontalOffset - win.borderCurrentImage
.BorderThickness.Right) - win.scrollViewCurrentImage
.ViewportWidth) / canvasWidth - 2.
156 let marginTop = previewHeight * (win.scrollViewCurrentImage
.VerticalOffset - win.borderCurrentImage
.BorderThickness.Top) / canvasHeight - 2.
157 let marginBottom = previewHeight * (canvasHeight - (win.scrollViewCurrentImage
.VerticalOffset - win.borderCurrentImage
.BorderThickness.Bottom) - win.scrollViewCurrentImage
.ViewportHeight) / canvasHeight - 2.
159 preview
.viewport
.Margin <-
167 preview
.viewport
.Visibility <- Visibility.Hidden
169 let rec setAsInfected
(srcImg : SourceImage) (rbc : RBC) (infected
: bool) =
170 state.SetAsInfected rbc infected
171 win.canvasCurrentImage
.Children
172 |> Seq.cast
<RBCFrame>
175 if (frame
.Tag :?> RBC) = rbc then
176 setRBCFrameStyle srcImg rbc frame
178 updateRBCFramesPreview
()
179 updateCurrentImageInformation ()
180 updateGlobalParasitemia ()
182 and createRBCFrame
(srcImg : SourceImage) (rbc : RBC) (frameThickness
: float) (fontSize
: float) : RBCFrame =
183 let frame = createRBCFrameFromExisting srcImg rbc (RBCFrame ()) frameThickness
fontSize
184 frame.SetValue (Panel.ZIndexProperty, Int32.MaxValue - rbc.num
) // To be sure the
185 frame.menuRBCSetAsHealthy
.Click.AddHandler (fun obj args
-> setAsInfected
srcImg (frame.Tag :?> RBC) false)
186 frame.menuRBCSetAsInfected
.Click.AddHandler (fun obj args
-> setAsInfected
srcImg (frame.Tag :?> RBC) true)
187 frame.ContextMenuOpening.AddHandler (
189 if (frame.Tag :?> RBC).infected
then
190 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Visible
191 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Collapsed
193 frame.menuRBCSetAsHealthy
.Visibility <- Visibility.Collapsed
194 frame.menuRBCSetAsInfected
.Visibility <- Visibility.Visible
196 frame.ContextMenuClosing.AddHandler (fun obj args
-> if not
frame.IsMouseOver then highlightRBCFrame frame false )
197 frame.MouseEnter.AddHandler (fun obj args
-> highlightRBCFrame frame true)
198 frame.MouseLeave.AddHandler (fun obj args
-> if not
frame.grid
.ContextMenu.IsOpen then highlightRBCFrame frame false)
201 and updateRBCFramesPreview
() =
202 match state.CurrentImage with
204 let mutable currentPreview = 0
205 for rbc in srcImg.RBCs |> List.filter
(fun rbc -> displayHealthy || rbc.infected
) do
206 let previewInfected =
207 if currentPreview < win.stackRBC
.Children.Count then
208 createRBCFrameFromExisting srcImg rbc (win.stackRBC
.Children.[currentPreview] :?> RBCFrame) 1. 12.
210 let f = createRBCFrame
srcImg rbc 1. 12.
211 f.MouseLeftButtonUp.AddHandler (fun obj args
-> zoomToRBC (f.Tag :?> RBC))
212 win.stackRBC
.Children.Add f |> ignore
215 currentPreview <- currentPreview + 1
217 previewInfected.Height <- win.stackRBC
.ActualHeight
218 previewInfected.Width <- win.stackRBC
.ActualHeight * rbc.size
.Width / rbc.size
.Height
219 previewInfected.border
.Fill <- ImageBrush (BitmapSourceConvert.ToBitmapSource (extractRBCPreview srcImg.Img rbc))
221 win.stackRBC
.Children.RemoveRange (currentPreview, win.stackRBC
.Children.Count - currentPreview)
224 updateViewportPreview ()
226 let updateRBCFramesCurrent () =
227 match state.CurrentImage with
229 let mutable currentCanvas = 0
230 let strokeThickness = frameStrokeThickness srcImg.AverageRBCSize
231 let fontSize = frameFontSize srcImg.AverageRBCSize
232 for rbc in srcImg.RBCs do
234 if currentCanvas < win.canvasCurrentImage
.Children.Count then
235 createRBCFrameFromExisting srcImg rbc (win.canvasCurrentImage
.Children.[currentCanvas] :?> RBCFrame) strokeThickness fontSize
237 let f = createRBCFrame
srcImg rbc strokeThickness fontSize
238 win.canvasCurrentImage
.Children.Add f |> ignore
241 currentCanvas <- currentCanvas + 1
243 Canvas.SetLeft (frame, rbc.center
.X - rbc.size
.Width / 2.)
244 Canvas.SetTop (frame, rbc.center
.Y - rbc.size
.Height / 2.)
246 for i
in currentCanvas .. win.canvasCurrentImage
.Children.Count - 1 do
247 win.canvasCurrentImage
.Children.[i
].Visibility <- Visibility.Hidden
250 let askDocumentPathToSave () : string option =
251 let dialog = SaveFileDialog (AddExtension = true, DefaultExt = PiaZ.extension
, Filter = PiaZ.filter
)
253 if state.FilePath <> "" then
254 dialog.FileName <- FileInfo(state.FilePath).Name
255 elif
state.PatientID <> "" then
256 dialog.FileName <- state.PatientID + PiaZ.extension
258 let res = dialog.ShowDialog ()
259 if res.HasValue && res.Value then
264 let saveCurrentDocument () =
266 if state.FilePath = "" then
267 match askDocumentPathToSave () with
269 state.FilePath <- filepath
274 updateDocumentStatus ()
275 displayStatusMessage "Document saved"
277 | :? IOException as ex ->
279 MessageBox.Show (sprintf
"The document cannot be save in \"%s\"" state.FilePath, "Error saving the document", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
281 let saveCurrentDocumentAsNewFile () =
282 match askDocumentPathToSave () with
284 state.FilePath <- filepath
285 saveCurrentDocument ()
288 // Ask the use to save the current document if neccessary.
289 let askSaveCurrent () =
290 if state.AlteredSinceLastSave then
291 match MessageBox.Show ("Would you like to save the current document?", "Saving the current document", MessageBoxButton.YesNo, MessageBoxImage.Question) with
292 | MessageBoxResult.Yes -> saveCurrentDocument ()
295 let updateCurrentImage () =
296 match state.CurrentImage with
298 win.imgLogos
.Visibility <- Visibility.Collapsed
300 // Highlight the preview.
301 win.stackPreviews
.Children
302 |> Seq.cast
<ImageSourcePreview>
303 |> Seq.iter
(fun preview
-> preview
.border
.BorderThickness <- Thickness (if preview
.Tag = (srcImg :> Object) then 3. else 0.))
305 win.canvasCurrentImage
.Height <- float srcImg.Img.Height
306 win.canvasCurrentImage
.Width <- float srcImg.Img.Width
307 win.canvasCurrentImage
.Background <- ImageBrush (BitmapSourceConvert.ToBitmapSource (srcImg.Img))
309 updateRBCFramesCurrent ()
310 updateRBCFramesPreview
()
313 win.imgLogos
.Visibility <- Visibility.Visible
315 win.stackRBC
.Children.Clear ()
316 win.canvasCurrentImage
.Children.Clear ()
317 win.canvasCurrentImage
.Background <- canvasCurrentImageColor
319 updateCurrentImageInformation ()
321 let setCurrentImage (srcImg : SourceImage) =
322 if state.CurrentImage.IsNone || state.CurrentImage.Value <> srcImg then
323 state.CurrentImage <- Some srcImg
324 updateCurrentImage ()
326 let addPreview (srcImg : SourceImage) =
327 let imgCtrl = ImageSourcePreview (Margin = Thickness 3.)
329 imgCtrl.menuRemoveImage
.Click.AddHandler (
331 win.stackPreviews
.Children.Remove (imgCtrl)
332 let srcImg = imgCtrl.Tag :?> SourceImage
333 let currentRemoved = Some srcImg = state.CurrentImage
334 state.RemoveSourceImage srcImg
335 if currentRemoved then
336 updateCurrentImage ()
338 updateGlobalParasitemia ()
340 // Update image numbers.
341 win.stackPreviews
.Children |> Seq.cast
<ImageSourcePreview> |> Seq.iter
(fun imgPreview
-> imgPreview
.txtImageNumber
.Text <- (imgPreview
.Tag :?> SourceImage).RomanNum)
344 imgCtrl.Tag <- srcImg
345 imgCtrl.txtImageNumber
.Text <- string srcImg.RomanNum
347 let height = srcImg.Img.Height * width / srcImg.Img.Width
348 imgCtrl.imagePreview
.Source <- BitmapSourceConvert.ToBitmapSource (srcImg.Img.Resize (width, height, Emgu.CV.CvEnum.Inter.Cubic))
349 win.stackPreviews
.Children.Add imgCtrl |> ignore
351 // Zoom to a mouse position into the control 'imgCtrl'.
352 let zoomTo (mousePos
: Point) =
353 let canvasW = win.canvasCurrentImage
.ActualWidth * currentScale
354 let canvasH = win.canvasCurrentImage
.ActualHeight * currentScale
355 let centerX = (mousePos
.X - imgCtrl.BorderThickness.Left) / (imgCtrl.ActualWidth - imgCtrl.BorderThickness.Left) * canvasW
356 let centerY = (mousePos
.Y - imgCtrl.BorderThickness.Top) / (imgCtrl.ActualHeight - imgCtrl.BorderThickness.Top) * canvasH
357 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (centerX - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
358 win.scrollViewCurrentImage
.ScrollToVerticalOffset (centerY - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
360 imgCtrl.MouseLeftButtonDown.AddHandler (
362 setCurrentImage (state.SourceImages |> Seq.find
(fun srcImg -> (srcImg :> Object) = imgCtrl.Tag))
363 imgCtrl.UpdateLayout ()
364 zoomTo (args
.GetPosition (imgCtrl))
365 imgCtrl.CaptureMouse () |> ignore
368 imgCtrl.MouseMove.AddHandler (
370 if imgCtrl.IsMouseCaptured then
371 zoomTo (args
.GetPosition imgCtrl)
374 imgCtrl.MouseLeftButtonUp.AddHandler (
376 if imgCtrl.IsMouseCaptured then
377 imgCtrl.ReleaseMouseCapture ()
380 let updatePreviews () =
381 win.stackPreviews
.Children.Clear ()
382 for srcImg in state.SourceImages do
384 updateCurrentImage ()
387 win.txtPatient
.Text <- state.PatientID
389 updateGlobalParasitemia ()
390 updateDocumentStatus ()
392 let loadFile (filepath
: string) =
394 let previousFilePath = state.FilePath
396 state.FilePath <- filepath
400 | :? IOException as ex ->
402 state.FilePath <- previousFilePath
403 MessageBox.Show (sprintf
"The document cannot be loaded from \"%s\"" filepath
, "Error loading the document", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
406 let dialog = OpenFileDialog (Filter = PiaZ.filter
)
407 let res = dialog.ShowDialog ()
408 if res.HasValue && res.Value then
409 loadFile dialog.FileName
416 let exportResults () =
417 let extension = ".txt"
418 let dialog = SaveFileDialog (AddExtension = true, DefaultExt = extension)
420 if state.FilePath <> "" then
421 dialog.FileName <- Path.GetFileNameWithoutExtension state.FilePath + extension
422 elif
state.PatientID <> "" then
423 dialog.FileName <- state.PatientID + extension
425 let res = dialog.ShowDialog ()
426 if res.HasValue && res.Value then
428 Export.exportResults state dialog.FileName
430 | :? IOException as ex ->
432 MessageBox.Show (sprintf
"The results cannot be exported in \"%s\"" state.FilePath, "Error exporting the files", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
435 let dialog = OpenFileDialog (Filter = "Image Files|*.png;*.jpg;*.tif;*.tiff", Multiselect = true)
436 let res = dialog.ShowDialog ()
437 if res.HasValue && res.Value then
438 let noSourceImage = state.SourceImages.Count () = 0
440 for filename
in dialog.FileNames do
442 let srcImg = state.AddSourceImage filename defaultConfig
447 MessageBox.Show (sprintf
"Unable to read the image from \"%s\"" filename, "Error adding an image", MessageBoxButton.OK, MessageBoxImage.Error) |> ignore
449 updateGlobalParasitemia ()
451 if noSourceImage then
452 updateCurrentImage ()
454 let showAnalysisWindow () =
455 if Analysis.showWindow
win state then
456 updateGlobalParasitemia ()
457 updateCurrentImage ()
459 let setHighlightRBC (highlight
: bool) =
460 displayHealthy <- highlight
461 updateRBCFramesPreview
()
462 updateRBCFramesCurrent ()
464 win.txtPatient
.TextChanged.AddHandler (fun obj args
-> state.PatientID <- win.txtPatient
.Text)
466 win.menuExit
.Click.AddHandler (fun obj args
-> win.Close ())
467 win.menuSave
.Click.AddHandler (fun obj args
-> saveCurrentDocument ())
468 win.menuSaveAs
.Click.AddHandler (fun obj args
-> saveCurrentDocumentAsNewFile ())
469 win.menuOpen
.Click.AddHandler (fun obj args
-> askLoadFile ())
470 win.menuNew
.Click.AddHandler (fun obj args
-> newFile ())
471 win.menuExportResults
.Click.AddHandler (fun obj args
-> exportResults ())
473 win.menuAddSourceImage
.Click.AddHandler (fun obj args
-> importImage ())
475 win.menuAnalysis
.SubmenuOpened.AddHandler (fun obj args
-> win.menuStartAnalysis
.IsEnabled <- state.SourceImages.Count () > 0)
477 win.menuStartAnalysis
.Click.AddHandler (fun obj args
-> showAnalysisWindow ())
479 win.menuHightlightRBC
.Click.AddHandler (fun obj args
-> setHighlightRBC win.menuHightlightRBC
.IsChecked)
481 win.menuAbout
.Click.AddHandler (fun obj args
-> About.showWindow
win)
483 win.menuCommandLineArguments
.Click.AddHandler (fun obj args
-> CommandLineArguments.showWindow
win)
485 win.Closing.AddHandler (fun obj args
-> askSaveCurrent ())
487 // Zoom on the current image.
488 let adjustCurrentImageBorders (deltaX
: float) (deltaY
: float) =
489 win.borderCurrentImage
.BorderThickness <-
491 (win.scrollViewCurrentImage
.ViewportWidth + deltaX
) / 2.,
492 (win.scrollViewCurrentImage
.ViewportHeight + deltaY
) / 2.,
493 (win.scrollViewCurrentImage
.ViewportWidth + deltaX
) / 2.,
494 (win.scrollViewCurrentImage
.ViewportHeight + deltaY
) / 2.
497 win.canvasCurrentImage
.SizeChanged.AddHandler (
499 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
500 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
501 if deltaX > 0.5 || deltaY > 0.5 then
502 adjustCurrentImageBorders 0.0
0.0
503 // Center the view at the center of the image initialy.
504 win.scrollViewCurrentImage
.UpdateLayout ()
505 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (win.borderCurrentImage
.ActualWidth / 2. - win.scrollViewCurrentImage
.ViewportWidth / 2.)
506 win.scrollViewCurrentImage
.ScrollToVerticalOffset (win.borderCurrentImage
.ActualHeight / 2. - win.scrollViewCurrentImage
.ViewportHeight / 2.)
509 win.scrollViewCurrentImage
.SizeChanged.AddHandler (
511 let deltaX = args
.NewSize.Width - args
.PreviousSize.Width
512 let deltaY = args
.NewSize.Height - args
.PreviousSize.Height
513 adjustCurrentImageBorders deltaX deltaY
514 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (win.scrollViewCurrentImage
.HorizontalOffset + deltaX / 8.)
515 win.scrollViewCurrentImage
.ScrollToVerticalOffset (win.scrollViewCurrentImage
.VerticalOffset + deltaY / 8.)
518 let mutable maxScale = 4.
519 let mutable minScale = 0.25
520 let currentImageScaleTransform = ScaleTransform ()
521 win.canvasCurrentImage
.LayoutTransform <- currentImageScaleTransform
522 win.borderCurrentImage
.PreviewMouseWheel.AddHandler (
524 let scaleFactor = if args
.Delta > 0 then 2.0 else 0.5
525 if scaleFactor > 1. && currentScale < maxScale || scaleFactor < 1. && currentScale > minScale then
526 let previousScale = currentScale
528 let newScale = currentScale * scaleFactor
529 if newScale > maxScale then maxScale elif newScale < minScale then minScale else newScale
530 let realScaleFactor = currentScale / previousScale
532 let centerX = win.scrollViewCurrentImage
.HorizontalOffset + win.scrollViewCurrentImage
.ViewportWidth / 2. - win.borderCurrentImage
.BorderThickness.Left
533 let centerY = win.scrollViewCurrentImage
.VerticalOffset + win.scrollViewCurrentImage
.ViewportHeight / 2. - win.borderCurrentImage
.BorderThickness.Top
535 currentImageScaleTransform.ScaleX <- currentScale
536 currentImageScaleTransform.ScaleY <- currentScale
538 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (centerX * realScaleFactor - win.scrollViewCurrentImage
.ViewportWidth / 2. + win.borderCurrentImage
.BorderThickness.Left)
539 win.scrollViewCurrentImage
.ScrollToVerticalOffset (centerY * realScaleFactor - win.scrollViewCurrentImage
.ViewportHeight / 2. + win.borderCurrentImage
.BorderThickness.Top)
544 // Pan on the current image.
545 let mutable scrollStartPosition = Point (0., 0.)
546 let mutable scrollStartOffsetX = 0.
547 let mutable scrollStartOffsetY = 0.
548 win.borderCurrentImage
.PreviewMouseLeftButtonDown.AddHandler (
550 scrollStartPosition <- args
.GetPosition win.scrollViewCurrentImage
551 scrollStartOffsetX <- win.scrollViewCurrentImage
.HorizontalOffset
552 scrollStartOffsetY <- win.scrollViewCurrentImage
.VerticalOffset
553 win.borderCurrentImage
.Cursor <- Input.Cursors.ScrollAll
554 win.borderCurrentImage
.CaptureMouse () |> ignore
558 win.borderCurrentImage
.PreviewMouseMove.AddHandler (
560 if win.borderCurrentImage
.IsMouseCaptured then
561 let position = args
.GetPosition win.scrollViewCurrentImage
562 let deltaX = scrollStartPosition.X - position.X
563 let deltaY = scrollStartPosition.Y - position.Y
564 win.scrollViewCurrentImage
.ScrollToHorizontalOffset (deltaX + scrollStartOffsetX)
565 win.scrollViewCurrentImage
.ScrollToVerticalOffset (deltaY + scrollStartOffsetY)
570 win.borderCurrentImage
.PreviewMouseLeftButtonUp.AddHandler (
572 if win.borderCurrentImage
.IsMouseCaptured then
573 win.borderCurrentImage
.Cursor <- Input.Cursors.Arrow
574 win.borderCurrentImage
.ReleaseMouseCapture ()
580 win.InputBindings.Add (
582 ViewModule.FunCommand ((fun obj
-> saveCurrentDocument ()), (fun obj
-> true)),
583 Input.KeyGesture (Input.Key.S, Input.ModifierKeys.Control)
588 win.InputBindings.Add (
590 ViewModule.FunCommand ((fun obj
-> saveCurrentDocumentAsNewFile ()), (fun obj
-> true)),
591 Input.KeyGesture (Input.Key.S, Input.ModifierKeys.Control ||| Input.ModifierKeys.Shift)
596 win.InputBindings.Add (
598 ViewModule.FunCommand ((fun obj
-> askLoadFile ()), (fun obj
-> true)),
599 Input.KeyGesture (Input.Key.O, Input.ModifierKeys.Control)
604 win.InputBindings.Add (
606 ViewModule.FunCommand ((fun obj
-> newFile ()), (fun obj
-> true)),
607 Input.KeyGesture (Input.Key.N, Input.ModifierKeys.Control)
612 win.InputBindings.Add (
614 ViewModule.FunCommand ((fun obj
-> exportResults ()), (fun obj
-> true)),
615 Input.KeyGesture (Input.Key.E, Input.ModifierKeys.Control)
620 win.InputBindings.Add (
622 ViewModule.FunCommand ((fun obj
-> importImage ()), (fun obj
-> true)),
623 Input.KeyGesture (Input.Key.A, Input.ModifierKeys.Control)
627 // Show analysis dialog.
628 win.InputBindings.Add (
630 ViewModule.FunCommand ((fun obj
-> showAnalysisWindow ()), (fun obj
-> state.SourceImages.Count () > 0)),
631 Input.KeyGesture (Input.Key.Y, Input.ModifierKeys.Control)
635 // Toggle RBC highlight.
636 win.InputBindings.Add (
638 ViewModule.FunCommand (
641 win.menuHightlightRBC
.IsChecked <- not
win.menuHightlightRBC
.IsChecked
642 setHighlightRBC win.menuHightlightRBC
.IsChecked
646 Input.KeyGesture (Input.Key.H, Input.ModifierKeys.Control)
651 win.scrollViewCurrentImage
.ScrollChanged.AddHandler (fun obj args
-> updateViewportPreview ())
653 updateDocumentStatus ()
654 win.gridImageInformation
.Visibility <- Visibility.Hidden
658 match fileToOpen
with
659 | Some filepath
-> loadFile filepath