1 files changed, 54 insertions, 0 deletions
diff --git a/CSMath/src/bezier/transforms/geom/TDHTransform.java b/CSMath/src/bezier/transforms/geom/TDHTransform.java
new file mode 100644
index 0000000..20afc53
--- /dev/null
+++ b/CSMath/src/bezier/transforms/geom/TDHTransform.java
@@ -0,0 +1,54 @@
+package bezier.transforms.geom;
+
+import bezier.geom.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);
+}
+\ No newline at end of file