1 files changed, 59 insertions, 0 deletions
diff --git a/mv_image/image/src/ImageMathUtil.cpp b/mv_image/image/src/ImageMathUtil.cpp
new file mode 100644
index 00000000..8bf5ba83
--- /dev/null
+++ b/mv_image/image/src/ImageMathUtil.cpp
@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * 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 "ImageMathUtil.h"
+
+namespace MediaVision
+{
+namespace Image
+{
+
+float getDistance(
+        const cv::Point2f& point1,
+        const cv::Point2f& point2)
+{
+    return sqrt(
+        (point1.x - point2.x) * (point1.x - point2.x) +
+        (point1.y - point2.y) * (point1.y - point2.y));
+}
+
+float getTriangleArea(
+        const cv::Point2f& point1,
+        const cv::Point2f& point2,
+        const cv::Point2f& point3)
+{
+    float distances[3];
+
+    distances[0] = getDistance(point1, point2);
+    distances[1] = getDistance(point2, point3);
+    distances[2] = getDistance(point3, point1);
+
+    const float semiperimeter = (distances[0] + distances[1] + distances[2]) / 2.0f;
+
+    return sqrt(semiperimeter *
+        (semiperimeter - distances[0]) *
+        (semiperimeter - distances[1]) *
+        (semiperimeter - distances[2]));
+}
+
+float getQuadrangleArea(const cv::Point2f points[NumberOfQuadrangleCorners])
+{
+    return getTriangleArea(points[0], points[1], points[2]) +
+           getTriangleArea(points[0], points[3], points[2]);
+}
+
+} /* Image */
+} /* MediaVision */