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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using System.Windows.Shapes;
namespace Tango.Graphics2D.VisualBinders
{
public class PathBinder : IVisualBinder
{
public void DrawVisual(FrameworkElement element, Drawing2DHost host, DrawingContext context)
{
Path path = element as Path;
var location = host.GetElementLocation(path);
var size = host.GetElementSize(path);
Pen pen = null;
if (path.Stroke != null)
{
pen = new Pen(path.Stroke, path.StrokeThickness);
pen.DashCap = path.StrokeDashCap;
//TODO: add some stroke features...
}
var geo = path.Data.Clone();
if (path.Stretch == Stretch.Fill)
{
TransformGroup group = new TransformGroup();
TranslateTransform translateTransform = new TranslateTransform();
translateTransform.X = -geo.Bounds.Left;
translateTransform.Y = -geo.Bounds.Top;
ScaleTransform scaleTransform = new ScaleTransform();
scaleTransform.ScaleX = size.Width / geo.Bounds.Width;
scaleTransform.ScaleY = size.Height / geo.Bounds.Height;
group.Children.Add(translateTransform);
group.Children.Add(scaleTransform);
context.PushTransform(group);
}
context.DrawGeometry(path.Fill, pen, geo);
}
public List<DependencyProperty> GetRenderProperties()
{
return new List<DependencyProperty>()
{
Path.OpacityProperty,
Path.VisibilityProperty,
Path.FillProperty,
Path.StrokeProperty,
Path.StrokeThicknessProperty,
Path.StretchProperty
};
}
}
}
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