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Diffstat (limited to 'sci_gateway/cpp/opencv_line.cpp')
| -rw-r--r-- | sci_gateway/cpp/opencv_line.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_line.cpp b/sci_gateway/cpp/opencv_line.cpp new file mode 100644 index 0000000..c047381 --- /dev/null +++ b/sci_gateway/cpp/opencv_line.cpp @@ -0,0 +1,211 @@ +/******************************************************** + Author: Abhilasha Sancheti & Sukul Bagai +********************************************************* + return_image = line(image , x1 , y1 , x2,y2,r_value,g_value,b_value,thickness,linetype,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_line(char *fname, unsigned long fname_len) + { + + SciErr sciErr; + int intErr=0; + int iRows=0,iCols=0; + int *piAddr2 = NULL; + int *piAddr3 = NULL; + int *piAddr4 = NULL; + int *piAddr5 = NULL; + int *piAddr6 = NULL; + int *piAddr7 = NULL; + int *piAddr8 = NULL; + int *piAddr9 = NULL; + int *piAddr10 = NULL; + int *piAddr11=NULL; + int i,j,k; + double thickness=1,linetype=8,shift=0 ,x1,y1,x2,y2,r_value,g_value,b_value; + + + //checking input argument + CheckInputArgument(pvApiCtx, 8, 11); + CheckOutputArgument(pvApiCtx, 1, 1) ; + + Mat src; + retrieveImage(src,1); + + //for value of x coordinate of first point + sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr2 ,&x1); + if(intErr) + return intErr; + + //for value of y coordinate of first point + sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr3 ,&y1); + if(intErr) + return intErr; + + //for value of x coordinate of second point + sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr4 ,&x2); + if(intErr) + return intErr; + + ///for value of y coordinate of second point + sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr5 ,&y2); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //for value of R value of colour + sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr6 ,&r_value); + if(intErr) + return intErr; + + // for G value of colour + sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr7 ,&g_value); + if(intErr) + return intErr; + + // for B value of colour + sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr8,&b_value); + if(intErr) + return intErr; + + // for thickness of line default: 1 + sciErr = getVarAddressFromPosition(pvApiCtx,9,&piAddr9); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr9,&thickness); + if(intErr) + return intErr; + + //for line type of line default: 8 + sciErr = getVarAddressFromPosition(pvApiCtx,10,&piAddr10); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + intErr = getScalarDouble(pvApiCtx, piAddr10 ,&linetype); + if(intErr) + return intErr; + + // for shift in line defulat : 0 + sciErr = getVarAddressFromPosition(pvApiCtx,11,&piAddr11); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Syntax: sciErr = getMatrixOfInteger8(pvApiCtx, piAddr8, &iRows8, &iCols8, &pcData); + intErr = getScalarDouble(pvApiCtx, piAddr11 ,&shift); + if(intErr) + return intErr; + + + //temporary pt variable, to use in function as centre + Point pt1(x1,y1); + Point pt2(x2,y2); + /// checking the parmeters for correct values + if( r_value <0 || r_value >255) + { + r_value=0; + sciprint(" r value of colour should be between 0 and 255 , using 0 instead"); + } + if( g_value <0 || g_value >255) + { + g_value=0; + sciprint(" g value of colour should be between 0 and 255 , using 0 instead"); + } + if( b_value <0 || b_value >255) + { + b_value=0; + sciprint(" b value of colour should be between 0 and 255 , using 0 instead"); + } + if ((linetype!=0) && (linetype!=4)&& (linetype!=8)) + { + linetype=8; + sciprint("Only 0/4/8 allowed , using 8 instead"); + } + +//calling the opencv function + line( src, pt1, pt2, Scalar(b_value,g_value,r_value), thickness, linetype, shift); + + int temp = nbInputArgument(pvApiCtx) + 1; + string tempstring = type2str(src.type()); + char *checker; + checker = (char *)malloc(tempstring.size() + 1); + memcpy(checker, tempstring.c_str(), tempstring.size() + 1); + returnImage(checker,src,1); + free(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; + + + } + +} + |