/** 
* @file ICETools.h
* @brief simple ICE GUI tools
* @author Erik Rodner
* @date 03/13/2008

*/
#ifndef ICETOOLSINCLUDE
#define ICETOOLSINCLUDE


#include <vislearning/nice.h>

#include <vector>
 

namespace OBJREC {

/** @brief simple ICE tools */
class ICETools
{

    protected:

    public:
  
	/** simple constructor */
	ICETools();
      
	/** simple destructor */
	virtual ~ICETools();

	/** select a set of rectangles (selection of top-left and bottom-right
	    @param panel image which is displayed
	    @param overlay overlay image which will be used to mark points
	    @param x returned list of rectangles (top-left-x,top-left-y,width,height)
	    @param color color which is used to mark points
	*/
	static void selectRectangles ( const NICE::Image & panel, NICE::Image & overlay, 
	    std::vector<NICE::Vector> & x, int color );

	/** select a set of points 
	    @param panel image which is displayed
	    @param overlay overlay image which will be used to mark points
	    @param x returned list of image points
	    @param color color which is used to mark points
	*/
	static void selectPoints ( const NICE::Image & panel, NICE::Image & overlay, 
	    std::vector<NICE::Vector> & x, int color );

	/** convert a double image to a pseudocolor rgb image
	    @param m input double image
	    @param img resulting pseudocolor rgb image
	*/
	static void convertToRGB ( const NICE::FloatImage & m, NICE::ColorImage & img );

	/** convert a matrix to a pseudocolor rgb image
	    @param m input double image
	    @param img resulting pseudocolor rgb image
	*/
	static void convertToRGB ( const NICE::Matrix & m, NICE::ColorImage & img );

	/** convert a single double value to a pseudocolor
	    @param x input double value
	    @param r resulting red value
	    @param g resulting green value
	    @param b resulting blue value
	*/
	static void toColor ( double x, double & r, double & g, double & b );

	/** calc grayscale image from a rgb image
	    @param img color image
	    @param imgg resulting grayscale image
	*/
	static void calcGrayImage ( const NICE::ColorImage & img, NICE::Image & imgg );

	/** convert a c buffer to a matrix
	    @param M resulting matrix
	    @param raw input c buffer
	*/
	static void convertM2ICE ( NICE::Matrix & M, double *raw );

	/** convert a matrix to a c buffer
	    @param M input matrix
	    @return resulting c buffer
	*/
	static double *convertICE2M ( const NICE::Matrix & M );

	/** show a collection of images 
	    @param imagelist collection of images
	    @return ...
	*/
	static int showImages ( std::vector<NICE::Image> & imagelist );

#ifndef NOVISUAL
	static int markImage (const NICE::Image & img, NICE::Image & mark, int marksize, int maxColor);
#endif
     
};


} // namespace

#endif