This is the Programme for Changing Font Size and Font Family via default fonts in C++ #include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> /* the names of the text styles supported */ char *fname[] = { "THIS IS A EXAMPLE OF DEFAULT font", "THIS IS A EXAMPLE OF TRIPLEX font", "SMALL font", "SANS SERIF font", "GOTHIC font" }; int main(void) { /* request auto detection */ int gdriver = DETECT, gmode, errorcode; int style, midx, midy; int size = 1; /* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "C:/TC/BGI"); /* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("...