protected override void OnWindowPositionChanged(Rect rcBoundingBox)
{
base.OnWindowPositionChanged(rcBoundingBox);
if (ParentScrollViewer == null)
{
return;
}
GeneralTransform tr = RootVisual.TransformToDescendant(ParentScrollViewer);
var scrollRect = new Rect(new Size(ParentScrollViewer.ViewportWidth, ParentScrollViewer.ViewportHeight));
var intersect = Rect.Intersect(scrollRect, tr.TransformBounds(rcBoundingBox));
if (!intersect.IsEmpty)
{
tr = ParentScrollViewer.TransformToDescendant(this);
intersect = tr.TransformBounds(intersect);
}
else
{
intersect = new Rect();
}
int x1 = (int)Math.Round(intersect.Left);
int y1 = (int)Math.Round(intersect.Top);
int x2 = (int)Math.Round(intersect.Right);
int y2 = (int)Math.Round(intersect.Bottom);
SetRegion(x1, y1, x2, y2);
}
protected override void OnWindowPositionChanged(Rect rcBoundingBox)
{
base.OnWindowPositionChanged(rcBoundingBox);
if (ParentScrollViewer == null)
{
return;
}
try
{
GeneralTransform tr = ParentScrollViewer.TransformToAncestor(MainWindow);
var scrollRect = new Rect(new Size(ParentScrollViewer.ViewportWidth, ParentScrollViewer.ViewportHeight));
scrollRect = tr.TransformBounds(scrollRect);
var intersect = Rect.Intersect(scrollRect, rcBoundingBox);
if (!intersect.IsEmpty)
{
tr = MainWindow.TransformToDescendant(this);
intersect = tr.TransformBounds(intersect);
}
SetRegion(intersect);
}
catch (Exception e)
{
Console.WriteLine($"{e.GetType().ToString()}: {e.Message}");
}
}
void ProcessExpandAnimation()
{
if (StartTime == null)
{
return;
}
var startTime = StartTime.Value;
var elapsedTime = DateTime.Now.Subtract(startTime);
if (elapsedTime < TimeSpan.Zero)
{
return;
}
var totalDuration = Duration;
if (elapsedTime < totalDuration && this.IsVisible)
{
var normalizedTime = (Double)elapsedTime.Ticks / (Double)totalDuration.Ticks;
var easing =
(EasingFunction == null ?
normalizedTime // if there is no easing function, use linear animation.
:
EasingFunction.Ease(normalizedTime));
if (InitialSize != null && FinalSize != null)
{
var currentWidth = InitialSize.Value.Width + ((FinalSize.Value.Width - InitialSize.Value.Width) * easing);
var currentHeight = InitialSize.Value.Height + ((FinalSize.Value.Height - InitialSize.Value.Height) * easing);
CurrentSize = new Size(currentWidth, currentHeight);
}
if (InitialVerticalOffset != null && FinalVerticalOffset != null)
{
var currentVerticalOffset = InitialVerticalOffset.Value + ((FinalVerticalOffset.Value - InitialVerticalOffset.Value) * easing);
ParentScrollViewer.ScrollToVerticalOffset(currentVerticalOffset);
}
}
else
{
CurrentSize = FinalSize.Value;
if (ParentScrollViewer != null && FinalVerticalOffset != null)
{
ParentScrollViewer.ScrollToVerticalOffset(FinalVerticalOffset.Value);
InitialVerticalOffset = null;
FinalVerticalOffset = null;
}
StartTime = null;
InitialSize = null;
FinalSize = null;
}
}
protected override void OnWindowPositionChanged(Rect rcBoundingBox)
{
if (_lastBoundingBox.Equals(rcBoundingBox))
{
return;
}
_lastBoundingBox = rcBoundingBox;
Graphics g = this.Child.CreateGraphics();
double xScale = g.DpiX / 96.0;
double yScale = g.DpiY / 96.0;
base.OnWindowPositionChanged(rcBoundingBox);
//rcBoundingBox = new Rect(new Point(rcBoundingBox.X, rcBoundingBox.Y), new Size( rcBoundingBox.Width, rcBoundingBox.Height));
if (ParentScrollViewer == null && !TryFindScrollViewer())
{
return;
}
GeneralTransform tr = ParentScrollViewer.TransformToAncestor(MainWindow);
var scrollRect = new Rect(new Size(ParentScrollViewer.ViewportWidth, ParentScrollViewer.ViewportHeight));
scrollRect = tr.TransformBounds(scrollRect);
scrollRect = new Rect(new Point(scrollRect.X * xScale, scrollRect.Y * yScale), new Size(scrollRect.Width * xScale, scrollRect.Height * yScale));
var intersect = Rect.Intersect(scrollRect, rcBoundingBox);
if (intersect.Equals(rcBoundingBox))
{
if (!_fullyIntersect)
{
InvalidateVisual();
}
_fullyIntersect = true;
}
else
{
_fullyIntersect = false;
}
if (!intersect.IsEmpty)
{
tr = MainWindow.TransformToDescendant(this);
intersect = new Rect(new Point(intersect.X / xScale, intersect.Y / yScale), new Size(intersect.Width / xScale, intersect.Height / yScale));
intersect = tr.TransformBounds(intersect);
intersect = new Rect(new Point(intersect.X * xScale, intersect.Y * yScale), new Size(intersect.Width * xScale, intersect.Height * yScale));
//InvalidateVisual();
}
SetRegion(intersect);
}
protected override void OnWindowPositionChanged(Rect rcBoundingBox)
{
DpiScale dpiScale = VisualTreeHelper.GetDpi(this);
base.OnWindowPositionChanged(rcBoundingBox);
Rect newRect = ScaleRectDownFromDPI(rcBoundingBox, dpiScale);
Rect finalRect;
if (ParentScrollViewer != null)
{
ParentScrollViewer.ScrollChanged += ParentScrollViewer_ScrollChanged;
ParentScrollViewer.SizeChanged += ParentScrollViewer_SizeChanged;
ParentScrollViewer.Loaded += ParentScrollViewer_Loaded;
}
if (Scrolling || Resizing)
{
if (ParentScrollViewer == null)
{
return;
}
MatrixTransform tr = RootVisual.TransformToDescendant(ParentScrollViewer) as MatrixTransform;
var scrollRect = new Rect(new Size(ParentScrollViewer.ViewportWidth, ParentScrollViewer.ViewportHeight));
var c = tr.TransformBounds(newRect);
var intersect = Rect.Intersect(scrollRect, c);
if (!intersect.IsEmpty)
{
tr = ParentScrollViewer.TransformToDescendant(this) as MatrixTransform;
intersect = tr.TransformBounds(intersect);
finalRect = ScaleRectUpToDPI(intersect, dpiScale);
}
else
{
finalRect = intersect = new Rect();
}
int x1 = (int)Math.Round(finalRect.X);
int y1 = (int)Math.Round(finalRect.Y);
int x2 = (int)Math.Round(finalRect.Right);
int y2 = (int)Math.Round(finalRect.Bottom);
SetRegion(x1, y1, x2, y2);
this.Scrolling = false;
this.Resizing = false;
}
LocationChanged?.Invoke(this, new EventArgs());
}
protected override void OnWindowPositionChanged(Rect rcBoundingBox)
{
DpiScale dpiScale = new DpiScale()
{
DpiScaleX = RenderSettings.dpiScaleX, DpiScaleY = RenderSettings.dpiScaleY
};
base.OnWindowPositionChanged(rcBoundingBox);
if (ParentScrollViewer == null)
{
return;
}
Rect newRect = ScaleRectDownFromDPI(rcBoundingBox, dpiScale);
GeneralTransform tr = RootVisual.TransformToDescendant(ParentScrollViewer);
var scrollRect = new Rect(new Size(ParentScrollViewer.ViewportWidth, ParentScrollViewer.ViewportHeight));
var intersect = Rect.Intersect(scrollRect, tr.TransformBounds(newRect));
if (!intersect.IsEmpty)
{
tr = ParentScrollViewer.TransformToDescendant(this);
intersect = tr.TransformBounds(intersect);
intersect = ScaleRectUpToDPI(intersect, dpiScale);
}
else
{
intersect = new Rect();
}
int x1 = (int)Math.Round(intersect.Left);
int y1 = (int)Math.Round(intersect.Top);
int x2 = (int)Math.Round(intersect.Right);
int y2 = (int)Math.Round(intersect.Bottom);
SetRegion(x1, y1, x2, y2);
}
