/// <summary>
/// Sets all provided transformation values and updates the transformation matrix. You can leave out
/// multiple parameters by setting them to null.
/// </summary>
/// <param name="x">Translation in x direction.</param>
/// <param name="y">Translation in y direction.</param>
/// <param name="rotation">Roation in degrees counterclockwise.</param>
/// <param name="shearX">Shear in x-direction.</param>
/// <param name="scaleX">X scale value.</param>
/// <param name="scaleY">Y scale value.</param>
/// <param name="eventFiring">Designates whether or not the change event should be fired if the value has changed.</param>
public void SetTranslationRotationShearxScale(double?x, double?y, double?rotation, double?shearX, double?scaleX, double?scaleY, Main.EventFiring eventFiring)
{
if (null != x)
{
_x = (double)x;
}
if (null != y)
{
_y = (double)y;
}
if (null != rotation)
{
_rotationDeg = (double)rotation;
}
if (null != shearX)
{
_shearX = (double)shearX;
}
if (null != scaleX)
{
_scaleX = (double)scaleX;
}
if (null != scaleY)
{
_scaleY = (double)scaleY;
}
_transformation.SetTranslationRotationShearxScale(_x, _y, _rotationDeg, _shearX, _scaleX, _scaleY);
if (eventFiring == Main.EventFiring.Enabled)
{
EhSelfChanged(EventArgs.Empty);
}
}
/// <summary>
/// Gets the absolute enclosing rectangle, taking into account ScaleX, ScaleY, Rotation and Shear (SSRS).
/// </summary>
/// <returns>The enclosing rectangle in absolute values.</returns>
public RectangleD2D GetAbsoluteEnclosingRectangle()
{
var m = new MatrixD2D();
m.SetTranslationRotationShearxScale(AbsolutePivotPositionX, AbsolutePivotPositionY, -Rotation, ShearX, ScaleX, ScaleY);
m.TranslatePrepend(AbsoluteVectorPivotToLeftUpper.X, AbsoluteVectorPivotToLeftUpper.Y);
var s = AbsoluteSize;
var p1 = m.TransformPoint(new PointD2D(0, 0));
var p2 = m.TransformPoint(new PointD2D(s.X, 0));
var p3 = m.TransformPoint(new PointD2D(0, s.Y));
var p4 = m.TransformPoint(new PointD2D(s.X, s.Y));
var r = new RectangleD2D(p1, PointD2D.Empty);
r.ExpandToInclude(p2);
r.ExpandToInclude(p3);
r.ExpandToInclude(p4);
return(r);
}