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Diffstat (limited to 'sci_gateway/cpp/opencv_pyrDown.cpp')
| -rw-r--r-- | sci_gateway/cpp/opencv_pyrDown.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_pyrDown.cpp b/sci_gateway/cpp/opencv_pyrDown.cpp new file mode 100644 index 0000000..7a8df72 --- /dev/null +++ b/sci_gateway/cpp/opencv_pyrDown.cpp @@ -0,0 +1,156 @@ +/*************************************************** +Author : Sukul Bagai +**************************************************** + return_image = pyrDown(input_image, dstsize_width, distsize_height, border; +***************************************************/ + +#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_pyrDown(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 *piLen = NULL; + char **borderType = NULL; + double dstsize_width,dstsize_height; + int border; + int i; + + //checking input argument + CheckInputArgument(pvApiCtx, 4, 4); + CheckOutputArgument(pvApiCtx, 1, 1) ; + + Mat image; + retrieveImage(image,1); + + //for value of dstsize_width + sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr2, &dstsize_width); + if(intErr) + return intErr; + + //for value of dstsize_width + sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + intErr = getScalarDouble(pvApiCtx, piAddr3 ,&dstsize_height); + if(intErr) + return intErr; + + //for border + sciErr = getVarAddressFromPosition(pvApiCtx,4, &piAddr4); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfString(pvApiCtx, piAddr4, &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, piAddr4, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + borderType = (char**)malloc(sizeof(char*) * iRows * iCols); + for(i = 0 ; i < iRows * iCols ; i++) + { + borderType[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination + } + //third call to retrieve data + sciErr = getMatrixOfString(pvApiCtx, piAddr4, &iRows, &iCols, piLen, borderType); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + + //error checks + if(dstsize_height<0) + { + sciprint("Positive Value Required for Height. 1 value was used instead\n"); + dstsize_height=1; + } + if(dstsize_width<0) + { + sciprint("Positive Value Required for Width. 1 value was used instead\n"); + dstsize_width=1; + } + if((dstsize_width != image.cols*2) && (dstsize_width != image.cols*2+1) && (dstsize_width != image.cols*2-1)) + { + sciprint("Incorrect dstsize_width value was used. src.cols*2+1 value was calculated and used instead\n"); + dstsize_width = image.cols*2+1; + } + if((dstsize_height != image.rows*2) && (dstsize_height != image.rows*2+1) && (dstsize_height != image.rows*2-1)) + { + sciprint("Incorrect dstsize_height value was used. src.rows*2+1 value was calculated and used instead\n"); + dstsize_height = image.rows*2+1; + } + + Mat new_image(dstsize_height,dstsize_width,image.type()); + + if(strcmp(borderType[0], "BORDER_CONSTANT") == 0) + border = BORDER_CONSTANT; + else if(strcmp(borderType[0], "BORDER_REPLICATE") == 0) + border = BORDER_REPLICATE; + else if(strcmp(borderType[0], "BORDER_REFLECT") == 0) + border = BORDER_REFLECT; + else if(strcmp(borderType[0], "BORDER_REFLECT_101") == 0) + border = BORDER_REFLECT_101; + else if(strcmp(borderType[0], "BORDER_WRAP") == 0) + border = BORDER_WRAP; + else + border = BORDER_DEFAULT; + + pyrDown(image,new_image,Size(dstsize_width,dstsize_height),border); + + string tempstring = type2str(new_image.type()); + char *checker; + checker = (char *)malloc(tempstring.size() + 1); + memcpy(checker, tempstring.c_str(), tempstring.size() + 1); + returnImage(checker,new_image,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; + + } +/* ==================================================================== */ +}
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