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package bezier.transforms;
import bezier.TDHPoint;
/**
* Transformation applicable to TDHPoints.
*
* @author bjculkin
*
*/
@FunctionalInterface
public interface TDHTransform {
/**
* Get the type of this transform.
*
* Unknown transformations are assumed to be identity transforms.
*
* @return The type of this transform.
*/
default TDHTransformType type() {
return TDHTransformType.IDENTITY;
}
/**
* Get the matrix representation of the transform.
*
* Unknown transformations are assumed to be identity transforms.
*
* @return The matrix representation of the transform.
*/
default double[][] matrix() {
return new double[][] { new double[] { 1, 0, 0 }, new double[] { 0, 1, 0 }, new double[] { 0, 0, 1 } };
}
/**
* Get the inverse of the transform.
*
* Unknown transformations are assumed to be identity transforms.
*
* @return The inverse the transform.
*/
default TDHTransform invert() {
return new TDHIdentity();
}
/**
* Apply the transform to a point.
*
* @param punkt
* The point to transform.
* @return A transformed version of the point.
*/
TDHPoint transform(TDHPoint punkt);
}
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