private void DeselectAll()
{
if (SelectedVisuals == null || SelectedVisuals.Count < 1)
{
return;
}
for (int i = SelectedVisuals.Count - 1; i >= 0; i--)
{
Visuals[i].IsSelected = false;
}
SelectedVisuals.Clear();
}
private void OnRendering(Object sender, EventArgs e)
{
_sbSelected.Clear();
_isChanged = false;
var element = _viewHost.View;
//MeasureContext.ViewState = _viewHost;
var size = new ValueRenderSize(_viewHost.RenderMargin.Width,
_viewHost.RenderMargin.Height);
var measured = MeasureContext.MeasureMainView(element, size,
_viewHost);
var selectedVisual = SelectedVisuals?.FirstOrDefault();
if (selectedVisual == null)
{
return;
}
_sbSelected.AppendLine(element.ToString());
_sbSelected.AppendLine("Measured: " + measured);
_sbSelected.AppendLine("Arranged: " + selectedVisual.Position);
var nonDefaults = GetNonDefaultSetters(element).ToArray();
foreach (var kvp in nonDefaults)
{
_sbSelected.AppendLine(kvp.ToString());
}
//_sbSelected.AppendLine(kvp.Key + ": " + kvp.Value);
_rightRectangle = new Rectangle(_viewHost.AvailableSize.Width -
_viewHost.RenderMargin.Right,
0, _viewHost.RenderMargin.Width, _viewHost.AvailableSize.Height);
//RenderContext.ViewState = _viewHost;
RenderContext.FillRectangle(_rightRectangle, SolidColorBrush.DarkGray);
if (selectedVisual.Element == null)
{
return;
}
RenderContext.DrawString(_sbSelected.ToString(), _font,
_rightRectangle, SolidColorBrush.White);
}
private void Thumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
var thumb = e.OriginalSource as Thumb;
if (thumb == _thumbs[8])
{
Vector delta = Func.VectorRotate(-SelectedVisuals.RefAngle, MoveOffset.X / Scale, MoveOffset.Y / Scale);
SelectedVisuals.Move(delta);
SetTransformOperator();
}
MoveOffset = new Point(0, 0);
BoundsRect = Rect.Empty;
AccentPen.Thickness = 0;
e.Handled = true;
}
private void Thumb_DragDelta(object sender, DragDeltaEventArgs e)
{
var thumb = e.OriginalSource as Thumb;
if (thumb == _thumbs[8])
{
MoveOffset = new Point(e.HorizontalChange, e.VerticalChange);
}
else if (thumb == _thumbs[9])
{
Point cp = new Point(Width / 2, Height / 2);
Point rp = new Point(Width / 2, BarLength);
double l = Height / 2 - BarLength;
double s = e.HorizontalChange;
double delta = Math.Atan2(e.HorizontalChange, Height / 2 - BarLength) / Math.PI * 180;
SelectedVisuals.Rotate(delta);
SetTransformOperator();
}
else
{
FrameworkElement element = thumb as FrameworkElement;
Point refer = SelectedVisuals.RefRect.Location;
//Point refer = RegionRect.Location;
double dx, dy;
switch (element.HorizontalAlignment)
{
case HorizontalAlignment.Left:
dx = -e.HorizontalChange;
//refer.X += RegionRect.Width;
refer.X += SelectedVisuals.RefRect.Width;
break;
case HorizontalAlignment.Right:
dx = e.HorizontalChange;
break;
default:
dx = 0;
break;
}
switch (element.VerticalAlignment)
{
case VerticalAlignment.Top:
dy = -e.VerticalChange;
//refer.Y += RegionRect.Height;
refer.Y += SelectedVisuals.RefRect.Height;
break;
case VerticalAlignment.Bottom:
dy = e.VerticalChange;
break;
default:
dy = 0;
break;
}
//refer = Watermark.Transform.Inverse.Transform(refer);
//refer = new RotateTransform(SelectedVisuals.RefAngle).Transform(refer);
double factorX = Width + dx <= 0 ? 0 : dx / Width;
double factorY = Height + dy <= 0 ? 0 : dy / Height;
//factorX = 1;
SelectedVisuals.Resize(factorX, factorY, refer);
SetTransformOperator();
}
e.Handled = true;
}
