/// <summary>
/// Applies the inverse of the geometric transform represented by this
/// <see cref="PMatrix"/> object to the given point.
/// </summary>
/// <param name="point">The point to transform.</param>
/// <returns>The transformed point.</returns>
public virtual PointF InverseTransform(PointF point)
{
if (IsInvertible)
{
TEMP_MATRIX.Reset();
TEMP_MATRIX.Multiply(this);
TEMP_MATRIX.Invert();
point = TEMP_MATRIX.Transform(point);
}
return(point);
}
/// <summary>
/// Creates an exact copy of this <see cref="PMatrix"/> object.
/// </summary>
/// <returns>The <see cref="PMatrix"/> object that his method creates.</returns>
public virtual Object Clone()
{
PMatrix r = new PMatrix();
r.Multiply(this);
return(r);
}
/// <summary>
/// Returns the product of the matrices from the top-most ancestor node (the last node
/// in the list) to the given node.
/// </summary>
/// <param name="nodeOnPath">
/// The bottom-most node in the path for which the matrix product will be computed.
/// </param>
/// <returns>
/// The product of the matrices from the top-most node to the given node.
/// </returns>
public virtual PMatrix GetPathTransformTo(PNode nodeOnPath)
{
PMatrix aMatrix = new PMatrix();
object[] matrices = matrixStack.ToArray();
int count = matrices.Length;
for (int i = count - 1; i >= 0; i--)
{
PTuple each = (PTuple)matrices[i];
if (each.matrix != null)
{
aMatrix.Multiply(each.matrix);
}
if (nodeOnPath == each.node)
{
return(aMatrix);
}
}
return(aMatrix);
}
/// <summary>
/// Returns the product of the matrices from the top-most ancestor node (the last node
/// in the list) to the given node.
/// </summary>
/// <param name="nodeOnPath">
/// The bottom-most node in the path for which the matrix product will be computed.
/// </param>
/// <returns>
/// The product of the matrices from the top-most node to the given node.
/// </returns>
public virtual PMatrix GetPathTransformTo(PNode nodeOnPath) {
PMatrix aMatrix = new PMatrix();
object[] matrices = matrixStack.ToArray();
int count = matrices.Length;
for (int i = count - 1; i >= 0; i--) {
PTuple each = (PTuple) matrices[i];
if (each.matrix != null) aMatrix.Multiply(each.matrix);
if (nodeOnPath == each.node) {
return aMatrix;
}
}
return aMatrix;
}
/// <summary>
/// Creates an exact copy of this <see cref="PMatrix"/> object.
/// </summary>
/// <returns>The <see cref="PMatrix"/> object that his method creates.</returns>
public virtual Object Clone() {
PMatrix r = new PMatrix();
r.Multiply(this);
return r;
}