public void FitAllButton_Click(object sender, RoutedEventArgs e)
{
var rect = GetOperatingPixelRect();
var rateW = rect.Width / SpaceScrollViewer.ActualWidth;
var rateH = rect.Height / SpaceScrollViewer.ActualHeight;
double rate;
double AlignLeft = rect.Left;
double AlignTop = rect.Top;
if (rateW > rateH)
{
rate = rateW;
AlignLeft = rect.Left / rate;
var rectW_Mid = rect.Height / rate / 2;
var screenW_Mid = SpaceScrollViewer.ActualHeight / 2;
var moveOffsetToCenter = screenW_Mid - rectW_Mid;
AlignTop = rect.Top / rate - moveOffsetToCenter;
}
else
{
rate = rateH;
var rectH_Mid = rect.Width / rate / 2;
var screenH_Mid = SpaceScrollViewer.ActualWidth / 2;
var moveOffsetToCenter = screenH_Mid - rectH_Mid;
AlignLeft = rect.Left / rate - moveOffsetToCenter;
AlignTop = rect.Top / rate;
}
SpaceScrollViewer.ChangeView(
AlignLeft, AlignTop,
(float)(1 / rate), true);
}
private void SpaceGrid_PointerMovedForDraggingWindow(object sender, PointerRoutedEventArgs e)
{
var fe = sender as FrameworkElement;
PointerPoint ptrPt = e.GetCurrentPoint(fe);
Point position = ptrPt.Position;
if (ptrPt.Properties.IsLeftButtonPressed)
{
double move_x = position.X - m_DragWindowPoint.X;
double move_y = position.Y - m_DragWindowPoint.Y;
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset - move_x,
SpaceScrollViewer.VerticalOffset - move_y, _spaceZoomFactor, true);
}
}
public void SetSpaceZoomPercent(float percent)
{
float newFactor = percent / SpaceZoomDefaultPercent;
float rate = newFactor / _spaceZoomFactor;
Task t = Task.Factory.StartNew(async() =>
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
int expired = 10;
bool a;
do
{
a = SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset * rate,
SpaceScrollViewer.VerticalOffset * rate, newFactor, true);
await Task.Delay(100);
expired--;
}while (!a && expired != 0);
});
});
_spaceZoomFactor = newFactor;
}
private void Timer_Tick(object sender, object e)
{
int offset = 10;
var pointerPosition = Windows.UI.Core.CoreWindow.GetForCurrentThread().PointerPosition;
var x = pointerPosition.X - Window.Current.Bounds.X;
var y = pointerPosition.Y - Window.Current.Bounds.Y;
Point position = new Point(x, y);
if (position.X > m_CurrentScreenRect.Right && position.Y > m_CurrentScreenRect.Bottom)
{
_mouseDirection = 9;
}
else if (position.X > m_CurrentScreenRect.Right && position.Y < m_CurrentScreenRect.Top)
{
_mouseDirection = 3;
}
else if (position.X > m_CurrentScreenRect.Right)
{
_mouseDirection = 6;
}
else if (position.X < m_CurrentScreenRect.Left && position.Y > m_CurrentScreenRect.Bottom)
{
_mouseDirection = 7;
}
else if (position.X < m_CurrentScreenRect.Left && position.Y < m_CurrentScreenRect.Top)
{
_mouseDirection = 1;
}
else if (position.X < m_CurrentScreenRect.Left)
{
_mouseDirection = 4;
}
else if (position.Y < m_CurrentScreenRect.Top)
{
_mouseDirection = 2;
}
else if (position.Y > m_CurrentScreenRect.Bottom)
{
_mouseDirection = 8;
}
else
{
_mouseDirection = 5;
}
if (_mouseDirection == 1)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset - offset,
SpaceScrollViewer.VerticalOffset - offset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 2)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset,
SpaceScrollViewer.VerticalOffset - offset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 3)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset + offset,
SpaceScrollViewer.VerticalOffset - offset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 4)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset - offset,
SpaceScrollViewer.VerticalOffset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 5)
{
}
else if (_mouseDirection == 6)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset + offset,
SpaceScrollViewer.VerticalOffset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 7)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset - offset,
SpaceScrollViewer.VerticalOffset + offset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 8)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset,
SpaceScrollViewer.VerticalOffset + offset,
_spaceZoomFactor, true);
}
else if (_mouseDirection == 9)
{
SpaceScrollViewer.ChangeView(
SpaceScrollViewer.HorizontalOffset + offset,
SpaceScrollViewer.VerticalOffset + offset,
_spaceZoomFactor, true);
}
}
public void DefaultViewButton_Click(object sender, RoutedEventArgs e)
{
SpaceScrollViewer.ChangeView(0, 0, 1, true);
}