diff options
Diffstat (limited to 'CSMath/src/bezier/geom/transform/TDHMatrixTransform.java')
| -rw-r--r-- | CSMath/src/bezier/geom/transform/TDHMatrixTransform.java | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/CSMath/src/bezier/geom/transform/TDHMatrixTransform.java b/CSMath/src/bezier/geom/transform/TDHMatrixTransform.java index 5014d1f..0952703 100644 --- a/CSMath/src/bezier/geom/transform/TDHMatrixTransform.java +++ b/CSMath/src/bezier/geom/transform/TDHMatrixTransform.java @@ -3,13 +3,34 @@ package bezier.geom.transform; import bezier.geom.Matrix;
import bezier.geom.TDHPoint;
+/**
+ * 2D homogenous transform defined by a matrix.
+ *
+ * @author bjculkin
+ *
+ */
public class TDHMatrixTransform implements TDHTransform {
+ /**
+ * The matrix for the transform.
+ */
public final Matrix mat;
+ /**
+ * Create a new matrix-based transform.
+ *
+ * @param mat
+ * The matrix that defines the transform.
+ */
public TDHMatrixTransform(Matrix mat) {
this.mat = mat;
}
+ /**
+ * Create a new matrix-based transform.
+ *
+ * @param mat
+ * The matrix that defines the transform.
+ */
public TDHMatrixTransform(double[][] mat) {
this.mat = new Matrix(mat);
}
@@ -26,6 +47,13 @@ public class TDHMatrixTransform implements TDHTransform { return new TDHPoint(mult[0], mult[1], mult[2]);
}
+ /**
+ * Chain two matrix transforms together.
+ *
+ * @param trans
+ * The next transform to use.
+ * @return A transform that represents the two transforms in serial.
+ */
public TDHTransform then(TDHMatrixTransform trans) {
return new TDHMatrixTransform(mat.multiply(trans.mat));
}
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