* Crossposted in OS2PROG
* Crossposted in OS2NET.PROGRAMMIERUNG.GER
* Crossposted in OS2.PROG.GER

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* Area : emx
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From: edgewood{at}pobox.com (Ed Blackman)


About a week ago, I asked:

>Is there some way to make the video library (v_*) toggle between using
>the blink bit to blink the foreground text (which is what it does now)
>and using it to allow bright background colors (which is what I would
>like to do)?

No one answered, so I assumed that the answer was no, and coded a solution
for OS/2, which I now release into the public domain.

/*
** Prototype:
**  int v_blink(int blink);
**
** Compatibility:
**  OS/2
**
** Description:
**  Change what the BLINK attribute constant does.  If blink is zero, **
characters on the screen with the BLINK bit set in the associated **
attribute will be drawn with bright background colors.  If blink is **
non-zero, characters with the BLINK bit set will be drawn with ** blinking
foreground text.
**
** Returns:
**  0 on failure
**  1 on success
*/

#define INCL_VIO
#define INCL_DOSERRORS
#include 

int v_blink(int blink)
{
    VIOINTENSITY vioi = {0};

    vioi.cb = sizeof(VIOINTENSITY);     /* length of the structure */
    vioi.type = 2;                      /* blink/bright background switch */
    vioi.fs = (blink == 0);             /* fs == 0: blink */
                                        /* fs == 1: bright background */

    return (NO_ERROR == VioSetState((void *)&vioi, 0));
}


--
edgewood{at}pobox.com (Ed Blackman)
"If pigs could vote, the man with the slop bucket would be elected
swineherd every time, no matter how much slaughtering he did on the side." 
 -Orson Scott Card


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