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TEXTBOX.C
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C/C++ Source or Header
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1992-12-21
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812b
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25 lines
/* text_box library function copyright 1991 by Chuck Steenburgh
This function fills a box defined by r1,c1,r2,c2 with
character "fill" and attribute "color". Works in text mode.
Returns: 0 if box successfully drawn and filled
1 if passed invalid parameter */
#include <bios.h>
int text_box(int r1,c1,r2,c2,fill,color,max_rows)
{
int counter;
/* Check for valid row/column positions, fill character, and attribute */
if (r1<0 || r1>r2 || r2>max_rows || c1<0 || c1>c2 || c2>79 || fill<0 || fill>255 || color<0 || color>255)
return 1;
/* Place fill on screen */
for (counter=r1;counter<r2+1;counter++) {
poscurs(counter,c1);
writechs(fill,color,c2-c1+1);
}
}