internal void ResetGeometryTransform(FeatureElement elm)
{
if (((elm.OriginX != this.Origin.X) || (elm.OriginY != this.Origin.Y)) || (elm.Resolution != this.Resolution))
{
elm.InvalidatePath(this.Resolution, this.OriginX, this.OriginY);
}
}
private void ArrangeFeature(FeatureElement elm, Rectangle2D clipBox, Point2D origin, double resolution)
{
if (elm.Visibility != Visibility.Collapsed)
{
Rectangle2D b = GetBounds(elm);
if (!Rectangle2D.IsNullOrEmpty(b))
{
double x = (b.Left - origin.X) / resolution;
double y = (origin.Y - b.Top) / resolution;
if (((b.Width > 0.0) || (b.Height > 0.0)) && (elm.PathGeometry != null))
{
double ratio = elm.Resolution / resolution;
this.SetClip(elm, clipBox, resolution);
if (elm.ClippedGeometry != null)
{
b = elm.ClippedGeometry.Bounds;
if (Rectangle2D.IsNullOrEmpty(b))
{
return;
}
x = (b.Left - origin.X) / resolution;
y = (origin.Y - b.Top) / resolution;
}
if (elm.PathGeometry.Transform is ScaleTransform)
{
(elm.PathGeometry.Transform as ScaleTransform).ScaleX = (elm.PathGeometry.Transform as ScaleTransform).ScaleY = ratio;
}
else
{
elm.PathGeometry.Transform = new ScaleTransform { ScaleX = ratio, ScaleY = ratio };
}
double num4 = ((b.Width / elm.Resolution) * ratio) + 10.0;
double num5 = ((b.Height / elm.Resolution) * ratio) + 10.0;//这也已经加了10.0
num4 = Math.Min(32000.0, num4);
num5 = Math.Min(32000.0, num5);
elm.Arrange(new Rect(x, y, num4, num5));
}
else
{
elm.Arrange(new Rect(new Point(x, y), elm.DesiredSize));
}
}
}
}
internal void SetElementReference(FeatureElement element)
{
if (element == null)
{
this.ElementReference = null;
}
else
{
this.ElementReference = new WeakReference(element);
Canvas.SetZIndex(element, this.zIndex);
if (this.geometry != null)
{
SuperMap.WinRT.Mapping.LayerContainer.SetBounds(element, this.geometry.Bounds);
}
}
}
private void SetClip(FeatureElement fe, Rectangle2D clipBox, double resolution)
{
Rectangle2D bounds = fe.Geometry.Bounds;
if ((Rectangle2D.IsNullOrEmpty(bounds)) || ((bounds.Width / resolution) < 16383.5))
{
if (fe.ClippedGeometry != null)
{
fe.ClearClip();
}
}
else if (((Rectangle2D.IsNullOrEmpty(fe.ClipBox)) || !clipBox.Within(fe.ClipBox)) || ((fe.ClipBox.Width / resolution) >= 16383.5))
{
if (fe.Geometry is GeoRegion)
{
fe.SetClip(new GeoRegionClip(clipBox).Clip(fe.Geometry as GeoRegion), clipBox);
}
else if (fe.Geometry is GeoLine)
{
fe.SetClip(new GeoLineClip(clipBox).Clip(fe.Geometry as GeoLine), clipBox);
}
}
}