public static Brush GetBrush(Color color)
{
if (!_brushes.ContainsKey(color))
{
var brush = new SolidColorBrush(color.ToWindowsColor());
brush.Freeze();
_brushes.Add(color, brush);
}
return _brushes[color];
}
public static Brush GetTransparentBrush(Color color)
{
var brush = GetBrush(color);
if (!_transparentBrushes.ContainsKey(brush))
{
var transparent = brush.CloneCurrentValue();
transparent.Opacity = 0.5;
transparent.Freeze();
_transparentBrushes.Add(brush, transparent);
}
return _transparentBrushes[brush];
}
public static Pen GetPen(Color color, double thickness)
{
if (!_pens.ContainsKey(color))
_pens.Add(color, new Dictionary<double, Pen>());
if (!_pens[color].ContainsKey(thickness))
{
var brush = GetBrush(color);
var pen = new Pen(brush, thickness);
pen.Freeze();
_pens[color].Add(thickness, pen);
}
return _pens[color][thickness];
}
