From 04767c735cfe8d433f9fe81da4e97bf90d22687e Mon Sep 17 00:00:00 2001
From: Scott Klum <scott.klum@gmail.com>
Date: Thu, 10 Sep 2015 11:54:20 -0400
Subject: [PATCH] Added squarefrompoints

---
 openbr/plugins/metadata/squarefrompoints.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+), 0 deletions(-)
 create mode 100644 openbr/plugins/metadata/squarefrompoints.cpp

diff --git a/openbr/plugins/metadata/squarefrompoints.cpp b/openbr/plugins/metadata/squarefrompoints.cpp
new file mode 100644
index 0000000..7243252
--- /dev/null
+++ b/openbr/plugins/metadata/squarefrompoints.cpp
@@ -0,0 +1,63 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright 2012 The MITRE Corporation                                      *
+ *                                                                           *
+ * Licensed under the Apache License, Version 2.0 (the "License");           *
+ * you may not use this file except in compliance with the License.          *
+ * You may obtain a copy of the License at                                   *
+ *                                                                           *
+ *     http://www.apache.org/licenses/LICENSE-2.0                            *
+ *                                                                           *
+ * Unless required by applicable law or agreed to in writing, software       *
+ * distributed under the License is distributed on an "AS IS" BASIS,         *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
+ * See the License for the specific language governing permissions and       *
+ * limitations under the License.                                            *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include <opencv2/imgproc/imgproc.hpp>
+
+#include <openbr/plugins/openbr_internal.h>
+#include <openbr/core/opencvutils.h>
+
+using namespace cv;
+
+namespace br
+{
+
+/*!
+ * \ingroup transforms
+ * \brief Creates a bounding square around three points (typically the two eyes and the chin).
+ * \author Scott Klum \cite sklum
+ * \br_property int eyeL index of left eye point.
+ * \br_property int eyeR Index of right eye point.
+ * \br_property int chin Index of chin point.
+ */
+class SquareFromPointsTransform : public UntrainableMetadataTransform
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int eyeR READ get_eyeR WRITE set_eyeR RESET reset_eyeR STORED false)
+    Q_PROPERTY(int eyeL READ get_eyeL WRITE set_eyeL RESET reset_eyeL STORED false)
+    Q_PROPERTY(int chin READ get_chin WRITE set_chin RESET reset_chin STORED false)
+    BR_PROPERTY(int, eyeL, 7)
+    BR_PROPERTY(int, eyeR, 10)
+    BR_PROPERTY(int, chin, 20)
+
+    void projectMetadata(const File &src, File &dst) const
+    {
+        dst = src;
+        QList<QPointF> points = src.points();
+
+        float side = points[chin].y() - points[eyeL].y();
+        float left = points[eyeL].x()+(points[eyeR].x() - points[eyeL].x())/2.-side/2.;
+        QRectF rect(left,points[eyeL].y(),side,side);
+
+        dst.setRects(OpenCVUtils::toRects(QList<QRectF>() << rect));
+    }
+};
+
+BR_REGISTER(Transform, SquareFromPointsTransform)
+
+} // namespace br
+
+#include "metadata/squarefrompoints.moc"
--
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