public static Matrix GetStrokeTransform(SceneElement element)
{
Matrix matrix = new Matrix();
ShapeElement shapeElement = element as ShapeElement;
if (shapeElement != null)
{
Rect computedTightBounds = shapeElement.GetComputedTightBounds();
double strokeWidth = BrushAdorner.GetStrokeWidth(element);
double scaleX = computedTightBounds.Width == 0.0 ? 1.0 : 1.0 - strokeWidth / computedTightBounds.Width;
double scaleY = computedTightBounds.Height == 0.0 ? 1.0 : 1.0 - strokeWidth / computedTightBounds.Height;
matrix.Translate(-0.5, -0.5);
matrix.Scale(scaleX, scaleY);
matrix.Translate(0.5, 0.5);
}
return(matrix);
}
