summaryrefslogtreecommitdiff
path: root/sci_gateway/cpp/opencv_ntsc2rgb.cpp
blob: 9857c6306c33d23e19c7947a44b1b9f6d8645f1e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/* ==================================================================== */
/* Author  :Tess Zacharias                                              */
/* ==================================================================== */
/* overloaded function                                                  */
/* Syntax : return_matrix_3_xyz_values=lab2xyz(matrix_of_3_labvalues a)  */
/* Syntax : return_matrix_3_xyz_values=lab2xyz(matrix_of_3_labvalues a,String1 Name,String2 value)  */
/* ==================================================================== */
/* ==================================================================== */
#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
#include<stdio.h>
#include <sciprint.h>
#include<string.h>
using namespace cv;
using namespace std;
  extern "C"
  {
  #include "api_scilab.h"
  #include "Scierror.h"
  #include "BOOL.h"
  #include <localization.h>
 // #include "../common.h"
  #define REF_X .95047; // Observer= 2°, Illuminant= D65
  #define REF_Y 1.00000;
  #define REF_Z 1.08883;

struct Color
{
    float R,G,B,Y,I,Q;
};


Color ntsc2rgb1(float Y, float I, float Q)
{
        
        // float y=Y/255.0;
        // float i=I/255.0;
        // float q=Q/255.0;
         float r= 1.000*Y+0.956*I+0.621*Q;
         float g =1.000*Y-0.272*I-0.647*Q;
         float b =1.000*Y-1.106*I+1.703*Q;
         
            
    Color rgb;
    rgb.R= r;
    rgb.G= g;
    rgb.B= b;
    return rgb;

} 
 int opencv_ntsc2rgb(char *fname, unsigned long fname_len)
    {
    // Error management variable
        SciErr sciErr;
    //variable info
	int iRows		= 0;
	int iCols		= 0;
        int piRows		= 0;
	int piCols		= 0;
        int* piAddr=NULL;
        int* piAddr1=NULL;
        int* piAddr3=NULL;
        double *value=NULL;
        int* piLen		= NULL;
        char **val;
        int i,j;
        int error;
        Color out;
        double check;
        Mat img,dst;
        float Y,I,Q;
        int *piAddrNew = NULL;                      
         //checking output argument
          CheckOutputArgument(pvApiCtx,1,1);
         //checking if number of input arguments are 3
        
         int k=0;
        // SciErr getMatrixOfDoubleInList(void* _pvCtx, int* _piParent, int _iItemPos, int* _piRows, int* _piCols, double** _pdblReal)
                    double *pstDataR = NULL;
                    double *pstDataG = NULL;
                    double *pstDataB = NULL; 
                    sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
                    if(sciErr.iErr)   
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }
                    //retrive the matrix of the R values   
                    sciErr =  getMatrixOfDoubleInList(pvApiCtx, piAddr, 1, &iRows, &iCols, &pstDataR);
                    if(sciErr.iErr)
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }
                    //retrive address of the list
                    sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
                    if(sciErr.iErr)   
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }   
                    //retrive the matrix of the G values 
                    sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 2, &iRows, &iCols, &pstDataG);
                    if(sciErr.iErr)
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }
                    //retrive address of the list
                    sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
                    if(sciErr.iErr)   
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }   
                    //retrive the matrix of the B values 
                    sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 3, &iRows, &iCols, &pstDataB);
                    if(sciErr.iErr)
                    {
                        printError(&sciErr, 0);
                        return 0;
                    }
         int m=0;
         double *r,*g,*b;
         r=(double *)malloc(sizeof(double)*iRows*iCols);
         g=(double *)malloc(sizeof(double)*iRows*iCols);
         b=(double *)malloc(sizeof(double)*iRows*iCols);
                               for(int i=0;i<iRows;i++)
                               {
                                  for(int j=0;j<iCols;j++)
                                   {
                                         // Vec3d intensity = img.at<Vec3d>(i,j);
                                          Y= (pstDataR[k]);
                                          I= (pstDataG[k]);
                                          Q= (pstDataB[k++]);
                                          out=ntsc2rgb1(Y,I,Q);
                                           // cout<<R<<"\n";
                                            //cout<<G<<"\n";
                                            //cout<<B<<"\n";       
                                            r[m]=(out.R);
                                            g[m]=(out.G);
                                            b[m++]=(out.B);  
                                   }
                               }
                     
    sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, 3, &piAddrNew);
    if(sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }


    //Adding the R value matrix to the list
    //Syntax : createMatrixOfInteger32InList(void* _pvCtx, int _iVar, int* _piParent, int _iItemPos, int _iRows, int _iCols, const int* _piData)
    sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 1, iRows,iCols, r);
    free(r);
    if(sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }

    //Adding the G value matrix to the list
    sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 2, iRows, iCols, g);
    free(g);
    if(sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }

    //Adding the B value matrix to the list
    sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 3, iRows, iCols, b);
    free(b);
    if(sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }

              
             AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
            ReturnArguments(pvApiCtx);            
            return 0;                
}
}