/*  libpic - collection of image display and rendering routines

    Stephen Smith, Christian Beckmann and Matthew Webster, FMRIB Image Analysis Group

    Copyright (C) 1999-2009 University of Oxford  */

/*  Part of FSL - FMRIB's Software Library
    http://www.fmrib.ox.ac.uk/fsl
    fsl@fmrib.ox.ac.uk
    
    Developed at FMRIB (Oxford Centre for Functional Magnetic Resonance
    Imaging of the Brain), Department of Clinical Neurology, Oxford
    University, Oxford, UK
    
    
    LICENCE
    
    FMRIB Software Library, Release 5.0 (c) 2012, The University of
    Oxford (the "Software")
    
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    University").
    
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    makes clear that no condition is made or to be implied, nor is any
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#ifndef __MISCPIC_h
#define __MISCPIC_h

#include "newimage/newimageall.h"
#include <stdarg.h>
#include "gd.h"

namespace MISCPIC{
  
  //template <class T>
  class miscpic
    {
    public:

      //constructor
      miscpic(){
	nlut = 0;      
	compare= 0;
	writeText=false;
	LR_label_flag = true;
	trans= -10;
	edgethresh = 0.0;
	if(getenv("FSLDIR")!=0){
	  lutbase = string(getenv("FSLDIR")) + "/etc/luts/";
	}
	else{
	  lutbase = string("/");
	}
	title = string("");
	cbartype = string("");
	cbarptr = NULL;
	outim = NULL;
	picr = NULL;
	picg = NULL;
	picb = NULL;
      };

      ~miscpic(){
	if(picr!=NULL) free(picr);
	if(picg!=NULL) free(picg);
	if(picb!=NULL) free(picb);
	if(cbarptr) gdImageDestroy(cbarptr);
	if(outim) gdImageDestroy(outim);
      }

      int slicer(const NEWIMAGE::volume<float>& vol1,const NEWIMAGE::volume<float>& vol2,const char *opts, bool labelSlices=false, bool debug = false);
      int slicer(const NEWIMAGE::volume<float>& vol1,const NEWIMAGE::volume<float>& vol2,vector<string> inputOptions, bool labelSlices=false, bool debug = false);

      inline int slicer(const NEWIMAGE::volume<float>& vol1, char *opts, bool labelSlices=false, bool debug = false)
      { NEWIMAGE::volume<float> tmp(1,1,1); 
	return this->slicer(vol1, tmp, opts, debug);}
      
      int write_png ( char *filename, int x_size, int y_size,	 
 		      unsigned char *r, unsigned char *g, unsigned char *b); 
      int write_pgm ( char *filename, int x_size, int y_size,	
		      unsigned char *i );
      int write_ppm ( char *filename, int x_size, int y_size,	
		      unsigned char *r, unsigned char *g, unsigned char *b );
      void write_pic(char *fname, int width, int height);
      
      inline void set_title(string what) { title = what;}
      inline void set_cbar(string what) { cbartype = what;}

      inline void read_lut(char *fname){
	lut = string(fname); this->read_lut();
      }

      void read_lut();
      
      inline void set_minmax(float bgmin, float bgmax, float s1min,
		  float s1max){
	this->set_minmax(bgmin, bgmax, s1min, s1max, (float)0.0, float(0.0));
      };

      void set_minmax(float bgmin, float bgmax, float s1min,
		  float s1max, float s2min, float s2max);
      
      inline int overlay(NEWIMAGE::volume<float>& newvol, NEWIMAGE::volume<float>& bg, NEWIMAGE::volume<float>& s1,
			 NEWIMAGE::volume<float>& s2, float bgmin, float bgmax, float s1min,
			 float s1max, float s2min, float s2max, int colour_type,
			 int checker, 
			 bool out_int = false, bool debug = false){
	return this->overlay(newvol, bg, s1, s2, bgmin, bgmax, s1min, 
			     s1max, s2min, s2max,
			     colour_type, checker, 
			     string(""), string(""), out_int, debug);
      }

      int overlay(NEWIMAGE::volume<float>& newvol, NEWIMAGE::volume<float>& bg, NEWIMAGE::volume<float>& s1,
		  NEWIMAGE::volume<float>& s2, float bgmin, float bgmax, float s1min,
		  float s1max, float s2min, float s2max, int colour_type,
		  int checker, 
		  string cbarfname, string cbartype, bool out_int = false, 
		  bool debug = false);

    private:

      int x_size, y_size, z_size, size, x_size_pic, y_size_pic, 
	  z_size_pic, nlut, compare, trans;

      bool debug, LR_label_flag, writeText;

      float edgethresh;

      string lut, lutbase, title, cbartype;

      gdImagePtr cbarptr, outim;

      vector<int> rlut, glut, blut; //stores the lut;
      unsigned char *picr, *picg, *picb;

      //volume<T>  inp1, inp2, imr, img, imb;	  
      NEWIMAGE::volume<float>  inp1, inp2, imr, img, imb;
      vector<float> minmax; //will store min and max values for bg and stats images
      //needed for colorbar

      void sag(float xx, int p, int width);
      void cor(float yy, int p, int width);
      void axi(float zz, int p, int width);
            
      int create_cbar(string cbartype);
      int write_cbar(string fname, string cbartype);
      int add_cbar(string cbartype);

      int add_title(int width);
      void addRlabel(int p, int width, int size_pic, int alt_size_pic, 
		     bool onleft);
      void addRlabel(unsigned char* picr, int p, int width, int size_pic, 
		     int alt_size_pic, bool onleft);
  };
}

#endif