private void RenderCanvasPreview(CanvasLayoutModel canvas)
{
var screenWorkArea = App.Overlay.WorkArea;
canvas.ScaleLayout(workAreaWidth: screenWorkArea.Width, workAreaHeight: screenWorkArea.Height);
Viewbox viewbox = new Viewbox
{
Stretch = Stretch.Uniform,
};
Body.Children.Add(viewbox);
Canvas frame = new Canvas
{
Width = screenWorkArea.Width,
Height = screenWorkArea.Height,
};
viewbox.Child = frame;
foreach (Int32Rect zone in canvas.Zones)
{
Border rect = new Border();
Canvas.SetTop(rect, zone.Y);
Canvas.SetLeft(rect, zone.X);
rect.MinWidth = zone.Width;
rect.MinHeight = zone.Height;
if (IsActualSize)
{
rect.Style = (Style)FindResource("CanvasLayoutActualScalePreviewStyle");
}
else
{
rect.Style = (Style)FindResource("CanvasLayoutSmallScalePreviewStyle");
}
frame.Children.Add(rect);
}
if (App.DebugMode)
{
TextBlock text = new TextBlock();
text.Text = "(" + App.Overlay.WorkArea.X + "," + App.Overlay.WorkArea.Y + ")";
text.FontSize = 42;
frame.Children.Add(text);
}
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
CanvasLayoutModel model = (CanvasLayoutModel)DataContext;
if (model != null)
{
_model = model;
var workArea = App.Overlay.WorkArea;
_model.ScaleLayout(workAreaWidth: workArea.Width, workAreaHeight: workArea.Height);
UpdateZoneRects();
_model.PropertyChanged += OnModelChanged;
}
}
private void UpdateZoneRects()
{
var workArea = App.Overlay.WorkArea;
Preview.Width = workArea.Width;
Preview.Height = workArea.Height;
_model.ScaleLayout(workAreaWidth: workArea.Width, workAreaHeight: workArea.Height);
UIElementCollection previewChildren = Preview.Children;
int previewChildrenCount = previewChildren.Count;
while (previewChildrenCount < _model.Zones.Count)
{
CanvasZone zone = new CanvasZone
{
Model = _model,
};
Preview.Children.Add(zone);
previewChildrenCount++;
}
while (previewChildrenCount > _model.Zones.Count)
{
Preview.Children.RemoveAt(previewChildrenCount - 1);
previewChildrenCount--;
}
for (int i = 0; i < previewChildrenCount; i++)
{
Int32Rect rect = _model.Zones[i];
CanvasZone zone = previewChildren[i] as CanvasZone;
zone.ZoneIndex = i;
Canvas.SetLeft(zone, rect.X);
Canvas.SetTop(zone, rect.Y);
zone.Height = rect.Height;
zone.Width = rect.Width;
zone.LabelID.Content = i + 1;
}
}
