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Diffstat (limited to 'sci_gateway1/cpp/opencv_puttext.cpp')
| -rw-r--r-- | sci_gateway1/cpp/opencv_puttext.cpp | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/sci_gateway1/cpp/opencv_puttext.cpp b/sci_gateway1/cpp/opencv_puttext.cpp new file mode 100644 index 0000000..97bf62c --- /dev/null +++ b/sci_gateway1/cpp/opencv_puttext.cpp @@ -0,0 +1,311 @@ +/******************************************************** + Author: Abhilasha Sancheti & Sukul Bagai +********************************************************* + return_image = puttext(image ,x1 ,y1 ,fontscale,r_value,g_value,b_value,text,fontface ,thickness,linetype,bottomleft(0/1)); +********************************************************/ + +#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_puttext(char *fname, unsigned long fname_len) + { + + SciErr sciErr; + int intErr=0; + int iRows=0,iCols=0; + int *piLen = NULL; + int *piLen2 = NULL; + 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 *piAddr12 = NULL; + int i,j,k , bottom , fontFace; + char **fontface = NULL,**text= NULL; + double thickness=1 ,linetype=8,bottomleft ; + double x1,y1,fontscale,r_value,g_value,b_value; + bool bottomLeftOrigin; + + //checking input argument + CheckInputArgument(pvApiCtx, 9, 12); + CheckOutputArgument(pvApiCtx, 1, 1) ; + + Mat src; + retrieveImage(src,1); + + //for value of x coordinate of point of bootom-left corner of the text string + 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 point of bootom-left corner of the text string + 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 fontscale + sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr4,&fontscale); + if(intErr) + return intErr; + + //for value of R value of colour + sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr5,&r_value); + if(intErr) + return intErr; + + //for value of G value of colour + sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr6 ,&g_value); + if(intErr) + return intErr; + + //for value of Bvalue of colour + sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr7 ,&b_value); + if(intErr) + return intErr; + + /// for text to be written on the image + //Syntax : SciErr getMatrixOfString(void* _pvCtx, int* _piAddress, int* _piRows, int* _piCols, int* _piLength, char** _pstStrings) + //fisrt call to retrieve dimensions + sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8); + //checking for error if any + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfString(pvApiCtx, piAddr8, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + //second call to retrieve length of each string + sciErr = getMatrixOfString(pvApiCtx, piAddr8, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + text = (char**)malloc(sizeof(char*) * iRows * iCols); + for(i = 0 ; i < iRows * iCols ; i++) + { + text[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination + } + //third call to retrieve data + sciErr = getMatrixOfString(pvApiCtx, piAddr8, &iRows, &iCols, piLen, text); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + ///for the fontface of text + sciErr = getVarAddressFromPosition(pvApiCtx,9,&piAddr9); + //checking for error if any + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfString(pvApiCtx, piAddr9, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + piLen2 = (int*)malloc(sizeof(int) * iRows * iCols); + //second call to retrieve length of each string + sciErr = getMatrixOfString(pvApiCtx, piAddr9, &iRows, &iCols, piLen2, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + fontface = (char**)malloc(sizeof(char*) * iRows * iCols); + for(i = 0 ; i < iRows * iCols ; i++) + { + fontface[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination + } + //third call to retrieve data + sciErr = getMatrixOfString(pvApiCtx, piAddr9, &iRows, &iCols, piLen2, fontface); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + // for thickness of text + sciErr = getVarAddressFromPosition(pvApiCtx,10,&piAddr10); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr10,&thickness); + if(intErr) + return intErr; + + //for line type of text default: 8 + sciErr = getVarAddressFromPosition(pvApiCtx,11,&piAddr11); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + intErr = getScalarDouble(pvApiCtx, piAddr11,&linetype); + if(intErr) + return intErr; + + // for shift in line defulat : 0 + sciErr = getVarAddressFromPosition(pvApiCtx,12,&piAddr12); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + intErr = getScalarDouble(pvApiCtx, piAddr12,&bottomleft); + if(intErr) + return intErr; + + + if (bottomleft == 0) + bottomLeftOrigin = false; + else if (bottomleft == 1) + bottomLeftOrigin = true; + else + { + bottomLeftOrigin = false; + sciprint("Only 0 and 1 acceptable , taking false instead"); + } + /// setting fontface FONT_HERSHEY_SIMPLEX, FONT_HERSHEY_PLAIN, FONT_HERSHEY_DUPLEX, FONT_HERSHEY_COMPLEX, FONT_HERSHEY_TRIPLEX, FONT_HERSHEY_COMPLEX_SMALL, + // FONT_HERSHEY_SCRIPT_SIMPLEX, or FONT_HERSHEY_SCRIPT_COMPLEX, + if(strcmp(fontface[0],"FONT_HERSHEY_SIMPLEX")==0) + fontFace = FONT_HERSHEY_SIMPLEX; + else if (strcmp(fontface[0],"FONT_HERSHEY_PLAIN")==0) + fontFace= FONT_HERSHEY_PLAIN; + else if (strcmp(fontface[0],"FONT_HERSHEY_DUPLEX")==0) + fontFace= FONT_HERSHEY_DUPLEX; + else if (strcmp(fontface[0],"FONT_HERSHEY_COMPLEX")==0) + fontFace= FONT_HERSHEY_COMPLEX; + else if (strcmp(fontface[0],"FONT_HERSHEY_TRIPLEX")==0) + fontFace = FONT_HERSHEY_TRIPLEX; + else if (strcmp(fontface[0],"FONT_HERSHEY_COMPLEX_SMALL")==0) + fontFace = FONT_HERSHEY_COMPLEX_SMALL; + else if (strcmp(fontface[0],"FONT_HERSHEY_SCRIPT_SIMPLEX")==0) + fontFace = FONT_HERSHEY_SCRIPT_SIMPLEX; + else if (strcmp(fontface[0],"FONT_HERSHEY_SCRIPT_COMPLEX")==0) + fontFace = FONT_HERSHEY_SCRIPT_COMPLEX; + else + { + sciprint("Invalid fontface given. FONT_HERSHEY_PLAIN was used instead"); + fontFace = FONT_HERSHEY_PLAIN; + } + //temporary pt variable, to use in function as bottom left corner + Point pt1(x1,y1); + /// 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"); + } + + + + //syntax: putText(Mat& img, const string& text, Point org, int fontFace, double fontScale, Scalar color, int thickness=1, int lineType=8, bool bottomLeftOrigin=false ) + putText( src, text[0], pt1, fontFace, fontscale, Scalar(b_value,g_value,r_value), thickness, linetype, bottomLeftOrigin ); + + 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; + + + } + +} + |