public async void ScrollToCenter()
{
await Task.Delay(10);
CanvasScrollViewer.ScrollToHorizontalOffset(CanvasScrollViewer.ScrollableWidth / 2d);
CanvasScrollViewer.ScrollToVerticalOffset(CanvasScrollViewer.ScrollableHeight / 2d);
}
private async void ColoringPage_SizeChanged(object sender, SizeChangedEventArgs e)
{
CanvasViewbox.MaxHeight = ColoringHolderGrid.ActualHeight;
CanvasViewbox.MaxWidth = ColoringHolderGrid.ActualWidth;
// Zoom out fully as the viewbox causes the context from the zoom to be lost.
// Add delay to allow viewbox UI operations to complete.
await Task.Delay(1);
CanvasScrollViewer.ChangeView(null, null, 1, true);
}
private void InitSurfaceDiao()
{
if (!Settings.EnableSurfaceDial)
{
return;
}
try
{
SurfaceDiao = new SurfaceDial();
}
catch (Exception e)
{
var msg = Utils.GetResource("Tracing.Core/Resources/FailedInitiateSurfaceDial") +
e.Message;
MessageNotification.Show(msg);
}
// Menu Selection Message
SurfaceDiao.OpacityInvoked += (sender, args) =>
{
TxtMessage.Text = Utils.GetResource("Tracing.Core/Resources/OpacitySelected");
BorderFadeInStoryboard.Begin();
};
SurfaceDiao.UndoRedoInvoked += (sender, args) =>
{
TxtMessage.Text = Utils.GetResource("Tracing.Core/Resources/UndoRedoSelected");
BorderFadeInStoryboard.Begin();
};
SurfaceDiao.ZoomInvoked += (sender, args) =>
{
TxtMessage.Text = Utils.GetResource("Tracing.Core/Resources/ZoomSelected");
BorderFadeInStoryboard.Begin();
};
SurfaceDiao.AlignmentGridInvoked += (sender, args) =>
{
TxtMessage.Text = Utils.GetResource("Tracing.Core/Resources/AlignmentGridSelected");
BorderFadeInStoryboard.Begin();
};
// Rotation Handling
SurfaceDiao.Zooming += (sender, args) =>
{
var zoomFucktor = CanvasScrollViewer.ZoomFactor;
zoomFucktor += 0.01f * (args.RotationDeltaInDegrees < 0 ? -1 : 1);
CanvasScrollViewer.ChangeView(0, 0, zoomFucktor);
};
SurfaceDiao.UndoRedo += (sender, args) =>
{
if (args.RotationDeltaInDegrees < 0)
{
ViewModel.InkOperator.UndoLastStorke();
}
else
{
ViewModel.InkOperator.RedoLastStorke();
}
};
SurfaceDiao.OpacityChanging += (sender, args) =>
{
if (OpacitySlider.Value + args.RotationDeltaInDegrees > 100)
{
OpacitySlider.Value = 100;
return;
}
if (OpacitySlider.Value + args.RotationDeltaInDegrees < 0)
{
OpacitySlider.Value = 0;
return;
}
OpacitySlider.Value += args.RotationDeltaInDegrees;
};
SurfaceDiao.AlignmentGridChanging += (sender, args) =>
{
if (SldAlignmentGridSize.Value + args.RotationDeltaInDegrees > 128)
{
SldAlignmentGridSize.Value = 128;
return;
}
if (SldAlignmentGridSize.Value + args.RotationDeltaInDegrees < 16)
{
SldAlignmentGridSize.Value = 16;
return;
}
SldAlignmentGridSize.Value += args.RotationDeltaInDegrees;
};
}
