/// <summary>
/// Returns the axis-aligned bounding rectangle when stroked with a pen, after applying
/// the supplied transform (if non-null).
/// </summary>
internal override Rect GetBoundsInternal(Pen pen, Matrix worldMatrix, double tolerance, ToleranceType type)
{
Matrix geometryMatrix;
Transform.GetTransformValue(Transform, out geometryMatrix);
return(LineGeometry.GetBoundsHelper(
pen,
worldMatrix,
StartPoint,
EndPoint,
geometryMatrix,
tolerance,
type));
}
/// <summary>
/// DrawLine -
/// Draws a line with the specified pen.
/// Note that this API does not accept a Brush, as there is no area to fill.
/// </summary>
/// <param name="pen"> The Pen with which to stroke the line. </param>
/// <param name="point0"> The start Point for the line. </param>
/// <param name="point1"> The end Point for the line. </param>
public override void DrawLine(
Pen pen,
Point point0,
Point point1)
{
if (Pen.ContributesToBounds(pen))
{
// _bounds is always in "world" space
// So, we need to transform the geometry to world to bound it
Rect geometryBounds = LineGeometry.GetBoundsHelper(
pen,
_transform, // world transform
point0,
point1,
Matrix.Identity, // geometry transform
Geometry.StandardFlatteningTolerance,
ToleranceType.Absolute
);
AddTransformedBounds(ref geometryBounds);
}
}