1 files changed, 100 insertions, 0 deletions
diff --git a/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIContour.java b/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIContour.java
new file mode 100644
index 0000000..5cd9fc4
--- /dev/null
+++ b/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIContour.java
@@ -0,0 +1,100 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package edu.wpi.first.wpijavacv;
+
+import static com.googlecode.javacv.cpp.opencv_core.*;
+import static com.googlecode.javacv.cpp.opencv_imgproc.*;
+/**
+ * This is a class that represents contours, it can only be obtained from
+ * the findContours() method of WpiBinaryImage
+ * @author Greg Granito
+ */
+public class WPIContour extends WPIDisposable {
+
+    CvSeq contours;
+    CvRect rect;
+
+    WPIContour(CvSeq contours) {
+        this.contours = contours;
+//        memStorage = contours.storage();
+
+    }
+
+    CvSeq getCVSeq(){
+        return contours;
+    }
+
+    /**
+     *
+     * @return the height of the bounding rectangle of the contour
+     */
+    public int getHeight(){
+        if(rect == null || rect.isNull())
+            rect = cvBoundingRect(contours, 1);
+
+        return rect.height();
+    }
+
+    /**
+     *
+     * @return the width of the bounding rectangle of the contour
+     */
+    public int getWidth(){
+        if(rect == null || rect.isNull())
+            rect = cvBoundingRect(contours, 1);
+
+        return rect.width();
+    }
+
+    /**
+     *
+     * @return the x coord of the top left corner of the bounding rectangle
+     */
+    public int getX(){
+        if(rect == null || rect.isNull())
+            rect = cvBoundingRect(contours, 1);
+
+        return rect.x();
+    }
+
+    /**
+     *
+     * @return the y coord of the top left corner of the bounding rectangle
+     */
+    public int getY(){
+        if(rect == null || rect.isNull())
+            rect = cvBoundingRect(contours, 1);
+
+        return rect.y();
+    }
+
+    /**
+     *
+     * @param percentAccuracy the percentage the perimeter of the polygon can be off
+     * the perimeter of the contour. The higher the value, the fewer points the polygon
+     * will have. A value of 4-5 is recommended.
+     * @return the approximated WpiPolygon
+     */
+    public synchronized WPIPolygon approxPolygon(double percentAccuracy){
+        WPIPolygon polygon = new WPIPolygon(cvApproxPoly(contours, contours.header_size(), contours.storage(), CV_POLY_APPROX_DP, percentAccuracy, 0));
+        if (getPool() != null) {
+            getPool().addToPool(polygon);
+        }
+        return polygon;
+    }
+
+    /**
+     *
+     * @return the perimeter of the contour
+     */
+    public int getlength(){
+        return (int) cvContourPerimeter(contours);
+    }
+
+    public void disposed() {
+        contours.deallocate();
+    }
+}