add a contour detector that sends all detected contours

svn path=/trunk/externals/pix_opencv/; revision=16265

1 files changed, 74 insertions, 0 deletions

diff --git a/pix_opencv_contours.h b/pix_opencv_contours.h
new file mode 100644
index 0000000..5882b5a
--- /dev/null
+++ b/pix_opencv_contours.h
@@ -0,0 +1,74 @@
+/*-----------------------------------------------------------------
+LOG
+    GEM - Graphics Environment for Multimedia
+
+    Threshold filter
+
+    Copyright (c) 1997-1999 Mark Danks. mark@danks.org
+    Copyright (c) Günther Geiger. geiger@epy.co.at
+    Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM. zmoelnig@iem.kug.ac.at
+    Copyright (c) 2002 James Tittle & Chris Clepper
+    For information on usage and redistribution, and for a DISCLAIMER OF ALL
+    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+-----------------------------------------------------------------*/
+
+#ifndef INCLUDE_PIX_OPENCV_CONTOURS_H_
+#define INCLUDE_PIX_OPENCV_CONTOURS_H_
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+#include "Base/GemPixObj.h"
+
+/*-----------------------------------------------------------------
+-------------------------------------------------------------------
+CLASS
+    pix_opencv_contours
+    
+	detects contours and send them out
+	
+KEYWORDS
+    pix
+    
+DESCRIPTION
+   
+-----------------------------------------------------------------*/
+class GEM_EXTERN pix_opencv_contours : public GemPixObj
+{
+    CPPEXTERN_HEADER(pix_opencv_contours, GemPixObj)
+
+    public:
+
+	    //////////
+	    // Constructor
+    	pix_opencv_contours();
+    	
+    protected:
+    	
+   	//////////
+   	// Destructor
+   	virtual ~pix_opencv_contours();
+
+   	//////////
+   	// Do the processing
+   	virtual void 	processRGBAImage(imageStruct &image);
+   	virtual void 	processRGBImage(imageStruct &image);
+	virtual void 	processYUVImage(imageStruct &image);
+   	virtual void 	processGrayImage(imageStruct &image);
+
+	// Messages handling
+	void epsilonMess(double arg);
+	void areaMess(double arg);
+
+    private:
+    
+    t_outlet *m_dataout_middle; // contour outlet
+    t_outlet *m_dataout_right; // info outlet
+    std::vector<std::vector<cv::Point> > m_contours;	
+    double m_area_threshold;	// min area for contour
+    double m_epsilon;
+	    
+};
+#endif	// for header file