From dcb6c2159446135a142cad41eec185bb24c45bfb Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@BECK-DZ9BJB2.wvu-ad.wvu.edu>
Date: Wed, 11 Apr 2018 15:29:25 -0400
Subject: Split #9 into one class/file

---
 CSMath/src/bezier/transforms/TDHTransform.java | 54 ++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 CSMath/src/bezier/transforms/TDHTransform.java

(limited to 'CSMath/src/bezier/transforms/TDHTransform.java')

diff --git a/CSMath/src/bezier/transforms/TDHTransform.java b/CSMath/src/bezier/transforms/TDHTransform.java
new file mode 100644
index 0000000..48f60a5
--- /dev/null
+++ b/CSMath/src/bezier/transforms/TDHTransform.java
@@ -0,0 +1,54 @@
+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);
+}
\ No newline at end of file
-- 
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