/* sololearn code playground can't handle a lot of output so I have only shown the matrix when conversion is taking place. */ #include /**** macros ****/ #define MAX_ROW 8 #define MAX_COL 8 /**** global variables ****/ // user can change the matrix according to their choice ( 1 = BLACK , 0 = WHITE) int source[MAX_ROW][MAX_COL] = { {1,1,1,1,1,1,1,1} , {1,1,1,1,1,1,1,1} , {1,1,1,1,1,1,1,1} , {1,1,1,0,0,1,1,1} , {1,1,1,0,0,1,1,1} , {1,1,1,1,1,1,1,1} , {1,1,1,1,1,1,1,1} , {1,1,1,1,1,1,1,1} }; // keeping the structring element as a 3x3 matrix for now int structuring_element[3][3] = { {1,0,1} , {0,0,0} , {1,0,1} }; /**** function prototypes ****/ void display_resultant_matrix(int [MAX_ROW][MAX_COL]); void dilation(); void convert(int [MAX_ROW][MAX_COL],int,int); void convert_debug(int [MAX_ROW][MAX_COL],int,int); /**** main() function ****/ int main() { dilation(); return 0; } /**** function definations ****/ void dilation() { int result[MAX_ROW][MAX_COL]; for (int i = 0; i < MAX_ROW; ++i) { for (int j = 0; j < MAX_COL; ++j) { result[i][j] = source[i][j]; } } display_resultant_matrix(result); for (int i = 0; i < MAX_ROW; ++i) { for (int j = 0; j < MAX_COL; ++j) { if(source[i][j] == 0) { convert(result,i,j); display_resultant_matrix(result); } } } // display_resultant_matrix(result); } void convert(int a[MAX_ROW][MAX_COL],int x,int y) { int start_x,start_y; x = x - 1; y = y - 1; for (int i = 0; i < 3; ++i) { start_x = x + i; start_y = y; for (int j = 0; j < 3; ++j) { if(structuring_element[i][j] == 0) { if(start_x >= 0 && start_x < MAX_ROW && start_y >=0 && start_y < MAX_COL) { a[start_x][start_y] = 0; } } start_y++; } } } void convert_debug(int a[MAX_ROW][MAX_COL],int x,int y) { int start_x,start_y; x = x - 1; y = y - 1; std::cout<<"("<= 0 && start_x < MAX_ROW && start_y >=0 && start_y < MAX_COL) { a[start_x][start_y] = 0; } } start_y++; } std::cout<<"\n"; } std::cout<<"\n"; } void display_resultant_matrix(int a[MAX_ROW][MAX_COL]) { for (int i = 0; i < MAX_ROW; ++i) { for (int j = 0; j < MAX_COL; ++j) { std::cout<<(a[i][j]==1?"◼️":"◻️"); } std::cout<<"\n"; } std::cout<<"\n"; }

Dilation (Morphology challange)