graphics.hlp (
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TEXT.C
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/* TEXT.C illustrates text output functions including:
* _gettextcolor _getbkcolor _gettextposition _outtext
* _settextcolor _setbkcolor _settextposition _clearscreen
*
* See MODES.C for another use of _outtext and WINDOW.C for another
* use of _clearscreen.
*/
#include <conio.h>
#include <stdio.h>
#include <graph.h>
char buffer [80];
void main()
{
short blink, fgd, oldfgd;
long bgd, oldbgd;
struct rccoord oldpos;
/* Save original foreground, background, and text position. */
oldfgd = _gettextcolor();
oldbgd = _getbkcolor();
oldpos = _gettextposition();
_clearscreen( _GCLEARSCREEN );
/* First time no blink, second time blinking. */
for( blink = 0; blink <= 16; blink += 16 )
{
/* Loop through 8 background colors. */
for( bgd = 0; bgd < 8; bgd++ )
{
_setbkcolor( bgd );
_settextposition( (short)bgd + ((blink / 16) * 9) + 3, 1 );
_settextcolor( 15 );
sprintf(buffer, "Back: %d Fore:", bgd );
_outtext( buffer );
/* Loop through 16 foreground colors. */
for( fgd = 0; fgd < 16; fgd++ )
{
_settextcolor( fgd + blink );
sprintf( buffer, " %2d ", fgd + blink );
_outtext( buffer );
}
}
}
getch();
/* Restore original foreground and background. */
_settextcolor( oldfgd );
_setbkcolor( oldbgd );
_clearscreen( _GCLEARSCREEN );
_settextposition( oldpos.row, oldpos.col );
}