/// <summary>
/// Returns a rectangle geometry
/// </summary>
/// <param name="width">Width of the rectangle</param>
/// <param name="height">Height of the rectangle</param>
/// <param name="strokeThickness">Stroke thickness of the rectangle</param>
/// <param name="topLeft">Top left corner definition of the rectangle</param>
/// <param name="topRight">Top right corner definition of the rectangle</param>
/// <param name="bottomRight">Bottom right corner definition of the rectangle</param>
/// <param name="bottomLeft">Bottom left corner definition of the rectangle</param>
/// <returns>Rectangle geometry</returns>
public static Geometry GetRectangle(double width, double height, double strokeThickness, CornerRadius topLeft, CornerRadius topRight, CornerRadius bottomRight, CornerRadius bottomLeft)
{
var geometry = new PathGeometry();
var pathFigure = new PathFigure();
pathFigure.IsClosed = true;
geometry.Figures.Add(pathFigure);
var halfStroke = strokeThickness / 2d;
if (topLeft != null && !topLeft.IsEmpty)
{
pathFigure.StartPoint = new Point(halfStroke, topLeft.RadiusY + halfStroke);
pathFigure.Segments.Add(new ArcSegment {
Point = new Point(topLeft.RadiusX + halfStroke, halfStroke), RotationAngle = 90, SweepDirection = SweepDirection.Clockwise, Size = new Size(topLeft.RadiusX, topLeft.RadiusY), IsLargeArc = false
});
}
else
{
pathFigure.StartPoint = new Point(halfStroke, halfStroke);
}
if (topRight != null && !topRight.IsEmpty)
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(width - topRight.RadiusX - halfStroke, halfStroke)
});
pathFigure.Segments.Add(new ArcSegment {
Point = new Point(width - halfStroke, topRight.RadiusY + halfStroke), RotationAngle = 90, SweepDirection = SweepDirection.Clockwise, Size = new Size(topRight.RadiusX, topRight.RadiusY)
});
}
else
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(width - halfStroke, halfStroke)
});
}
if (bottomRight != null && !bottomRight.IsEmpty)
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(width - halfStroke, height - bottomRight.RadiusY - halfStroke)
});
pathFigure.Segments.Add(new ArcSegment {
Point = new Point(width - bottomRight.RadiusX - halfStroke, height - halfStroke), RotationAngle = 90, SweepDirection = SweepDirection.Clockwise, Size = new Size(bottomRight.RadiusX, bottomRight.RadiusY)
});
}
else
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(width - halfStroke, height - halfStroke)
});
}
if (bottomLeft != null && !bottomLeft.IsEmpty)
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(bottomLeft.RadiusX + halfStroke, height - halfStroke)
});
pathFigure.Segments.Add(new ArcSegment {
Point = new Point(halfStroke, height - bottomLeft.RadiusY - halfStroke), RotationAngle = 90, SweepDirection = SweepDirection.Clockwise, Size = new Size(bottomLeft.RadiusX, bottomLeft.RadiusY)
});
}
else
{
pathFigure.Segments.Add(new LineSegment {
Point = new Point(halfStroke, height - halfStroke)
});
}
return(geometry);
}
private void Split(string data)
{
try
{
var patterns = data?.Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
if (patterns == null || patterns.Count == 0)
{
this.TopRight = null;
this.TopLeft = null;
this.BottomLeft = null;
this.BottomRight = null;
return;
}
double tlX = 0, tlY = 0, trX = 0, trY = 0, brX = 0, brY = 0, blX = 0, blY = 0;
List <Match> matches = new List <Match>();
foreach (var pattern in patterns)
{
var match = Regex.Match(
pattern,
"^(?<name>tr|tl|br|bl)?(?<number>\\d+(\\.\\d+)?)$",
RegexOptions.IgnoreCase);
if (!match.Success)
{
throw this.CreateNotSupportedCornerRadiusException();
}
matches.Add(match);
}
if (matches[0].Groups["name"].Success)
{
for (int i = 0; i < matches.Count; i++)
{
var currentMatch = matches[i];
var nextMatch = i + 1 < matches.Count ? matches[i + 1] : null;
if (!currentMatch.Groups["name"].Success)
{
throw this.CreateNotSupportedCornerRadiusException();
}
Tuple <double, double, bool> valuesForCorner;
switch (currentMatch.Groups["name"].Value.ToLower())
{
case "tl":
valuesForCorner = this.GetXyFromMatches(currentMatch, nextMatch);
tlX = valuesForCorner.Item1;
tlY = valuesForCorner.Item2;
break;
case "tr":
valuesForCorner = this.GetXyFromMatches(currentMatch, nextMatch);
trX = valuesForCorner.Item1;
trY = valuesForCorner.Item2;
break;
case "bl":
valuesForCorner = this.GetXyFromMatches(currentMatch, nextMatch);
blX = valuesForCorner.Item1;
blY = valuesForCorner.Item2;
break;
case "br":
valuesForCorner = this.GetXyFromMatches(currentMatch, nextMatch);
brX = valuesForCorner.Item1;
brY = valuesForCorner.Item2;
break;
default: throw this.CreateNotSupportedCornerRadiusException();
}
if (valuesForCorner.Item3)
{
i++;
}
}
}
else
{
try
{
if (matches.Count == 1)
{
tlX = tlY = trX = trY = brX = brY = blX = blY = Convert.ToDouble(
matches[0].Groups["number"].Value);
}
else if (matches.Count == 2)
{
tlX = trX = brX = blX = Convert.ToDouble(matches[0].Groups["number"].Value);
tlY = trY = brY = blY = Convert.ToDouble(matches[1].Groups["number"].Value);
}
else if (matches.Count == 4)
{
tlX = tlY = Convert.ToDouble(matches[0].Groups["number"].Value);
trX = trY = Convert.ToDouble(matches[1].Groups["number"].Value);
brX = brY = Convert.ToDouble(matches[2].Groups["number"].Value);
blX = blY = Convert.ToDouble(matches[3].Groups["number"].Value);
}
else if (matches.Count == 8)
{
tlX = Convert.ToDouble(matches[0].Groups["number"].Value);
trX = Convert.ToDouble(matches[2].Groups["number"].Value);
brX = Convert.ToDouble(matches[4].Groups["number"].Value);
blX = Convert.ToDouble(matches[6].Groups["number"].Value);
tlY = Convert.ToDouble(matches[1].Groups["number"].Value);
trY = Convert.ToDouble(matches[3].Groups["number"].Value);
brY = Convert.ToDouble(matches[5].Groups["number"].Value);
blY = Convert.ToDouble(matches[7].Groups["number"].Value);
}
else
{
throw this.CreateNotSupportedCornerRadiusException();
}
}
catch (Exception e)
{
if (e is NotSupportedException)
{
throw;
}
throw this.CreateNotSupportedCornerRadiusException(e);
}
}
this.TopLeft = new CornerRadius(tlX, tlY);
this.TopRight = new CornerRadius(trX, trY);
this.BottomLeft = new CornerRadius(blX, blY);
this.BottomRight = new CornerRadius(brX, brY);
}
catch (Exception ex)
{
Debug.WriteLine($"CornerRadiusExpression format error : {ex.Message}");
}
}
