1793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler/** 2793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler * @file copyMakeBorder_demo.cpp 3793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler * @brief Sample code that shows the functionality of copyMakeBorder 4793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler * @author OpenCV team 5793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler */ 6793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 7793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler#include "opencv2/imgproc/imgproc.hpp" 8793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler#include "opencv2/imgcodecs.hpp" 9793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler#include "opencv2/highgui/highgui.hpp" 10793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler#include <stdlib.h> 11793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler#include <stdio.h> 12793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 13793ee12c6df9cad3806238d32528c49a3ff9331dNoah Preslerusing namespace cv; 14793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 15793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler/// Global Variables 16793ee12c6df9cad3806238d32528c49a3ff9331dNoah PreslerMat src, dst; 17793ee12c6df9cad3806238d32528c49a3ff9331dNoah Preslerint top, bottom, left, right; 18793ee12c6df9cad3806238d32528c49a3ff9331dNoah Preslerint borderType; 19793ee12c6df9cad3806238d32528c49a3ff9331dNoah Preslerconst char* window_name = "copyMakeBorder Demo"; 20793ee12c6df9cad3806238d32528c49a3ff9331dNoah PreslerRNG rng(12345); 21793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 22793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler/** 23793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler * @function main 24793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler */ 25793ee12c6df9cad3806238d32528c49a3ff9331dNoah Preslerint main( int, char** argv ) 26793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler{ 27793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 28793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler int c; 29793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 30793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler /// Load an image 31793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler src = imread( argv[1] ); 32793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 33793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler if( src.empty() ) 34793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler { 35793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf(" No data entered, please enter the path to an image file \n"); 36793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler return -1; 37793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler } 38793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 39793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler /// Brief how-to for this program 40793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf( "\n \t copyMakeBorder Demo: \n" ); 41793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf( "\t -------------------- \n" ); 42793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf( " ** Press 'c' to set the border to a random constant value \n"); 43793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf( " ** Press 'r' to set the border to be replicated \n"); 44793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler printf( " ** Press 'ESC' to exit the program \n"); 45793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 46793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler /// Create window 47793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler namedWindow( window_name, WINDOW_AUTOSIZE ); 48793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 49793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler /// Initialize arguments for the filter 50793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler top = (int) (0.05*src.rows); bottom = (int) (0.05*src.rows); 51793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler left = (int) (0.05*src.cols); right = (int) (0.05*src.cols); 52793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler dst = src; 53793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 54793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler imshow( window_name, dst ); 55793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 56793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler for(;;) 57793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler { 58793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler c = waitKey(500); 59793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 60793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler if( (char)c == 27 ) 61793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler { break; } 62793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler else if( (char)c == 'c' ) 63793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler { borderType = BORDER_CONSTANT; } 64793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler else if( (char)c == 'r' ) 65793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler { borderType = BORDER_REPLICATE; } 66793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 67793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler Scalar value( rng.uniform(0, 255), rng.uniform(0, 255), rng.uniform(0, 255) ); 68793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler copyMakeBorder( src, dst, top, bottom, left, right, borderType, value ); 69793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 70793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler imshow( window_name, dst ); 71793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler } 72793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler 73793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler return 0; 74793ee12c6df9cad3806238d32528c49a3ff9331dNoah Presler} 75