- 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.))