summaryrefslogtreecommitdiff
path: root/sci_gateway1/cpp/opencv_fillconvexpoly.cpp
blob: 1ce29c6d175bcd73e2993c864706c4c33b268009 (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
/*************************************************
Authors : Abhilasha Sancheti & Sukul Bagai
**************************************************
 sample inputs : b=fillconvexpoly(a,points,4,0,0,0,8,0);       (points: [0 0;0 100;100 0; 100 100])
 fillConvexpoly( image , points , r_value , g_value , b_value , linrtype,shift);
*************************************************/

#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
using namespace cv;
using namespace std;
extern "C"
{
  #include "api_scilab.h"
  #include "Scierror.h"
  #include "BOOL.h"
  #include <localization.h>
  #include <sciprint.h>
  #include "../common.h"
  
  int opencv_fillconvexpoly(char *fname, unsigned long fname_len)
  {

    SciErr sciErr;
    int intErr = 0;
    int iRows=0,iCols=0;
    int *piAddr = NULL;
    int *piAddrNew = NULL;
    int *piAddr2  = NULL;
    int *piAddr3  = NULL;
    int *piAddr4  = NULL;
    int *piAddr5  = NULL;
    int *piAddr6  = NULL;
    int *piAddr7  = NULL;
    int *piAddr8  = NULL;
    int i,j,k ;
    double *pstData = NULL;
    double npts ,r_value,g_value ,b_value ,linetype=8 ,shift=0;
    
 
   

    //checking input argument
    CheckInputArgument(pvApiCtx, 8, 8);
    CheckOutputArgument(pvApiCtx, 1, 1) ;

    
//retreive the value of clockwise parameter 
    Mat image;
    retrieveImage(image,1);
    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    sciErr = getMatrixOfDouble(pvApiCtx, piAddr2, &iRows, &iCols, &pstData);
    if(sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    } 
///// store values in a contour
    
    Point *pts = (Point *)malloc(iRows * 2 * sizeof(double));
    for ( i = 0 ; i < iRows ; i++)
    {
          pts[i].x = *(pstData + i);
          pts[i].y = *(pstData + 1*iRows + i);
    }
   
  /// to retrieve the number of points         
     sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    intErr = getScalarDouble(pvApiCtx, piAddr3, &npts);
    if(intErr)
    {
       return intErr;
    } 
       
//// to retreive the value of r_value
        sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    intErr = getScalarDouble(pvApiCtx, piAddr4, &r_value);
    if(intErr)
    {
       return intErr;
    } 
 /// to retreive the value of g_value
        sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
     intErr = getScalarDouble(pvApiCtx, piAddr5, &g_value);
    if(intErr)
    {
       return intErr;
    } 
  
  /// to retreive the value of b_value
        sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
     intErr = getScalarDouble(pvApiCtx, piAddr6, &b_value);
    if(intErr)
    {
       return intErr;
    } 
  /// to retreive the value of linetype
        sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    intErr = getScalarDouble(pvApiCtx, piAddr7, &linetype);
    if(intErr)
    {
       return intErr;
    } 
/// to retreive the value of shift
        sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    intErr = getScalarDouble(pvApiCtx, piAddr8, &shift);
    if(intErr)
    {
       return intErr;
    } 
    
   

	 // call the fillconvexpoly function of opencv
    fillConvexPoly(image,pts,npts,Scalar(r_value,g_value,b_value),linetype,shift);
   
     //temp variable was not needed, hence has been discarded
    string tempstring = type2str(image.type());
    char *checker;
    checker = (char *)malloc(tempstring.size() + 1);
    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
    returnImage(checker,image,1); //here, remove the temp as a parameter as it is not needed, and instead add 1 as the third parameter. 1 denotes that the first output       argument will be this variable
    free(checker); //free memory taken up by checker

 
    //Assigning the list as the Output Variable
    AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
    //Returning the Output Variables as arguments to the Scilab environment
    ReturnArguments(pvApiCtx); 
    return 0;


 }

}