[Ohrrpgce] color problem fixed

Mike Caron caron.mike at gmail.com
Sun Jun 5 06:22:00 PDT 2005


No, the formula isn't to greyscale something, it's to convert from dos
colour space (0-63) to true colour space (0-255)

On 6/5/05, TeeEmCee <teeemcee at gmail.com> wrote:
> I still think that it could have been the difference between arrays
> and strings. However, I never saw the problem myself.
> 
> Yeah, that formula isn't going to work. You seem to want:
> 
> luminance = 0.30 * R + 0.59 * G + 0.11 * blue
> 
> 
> On 6/5/05, Mike Caron <caron.mike at gmail.com> wrote:
> > On 6/4/05, Draknight2 at wmconnect.com <Draknight2 at wmconnect.com> wrote:
> > > Well I fixed the problem in the ohrgfx, turns out that the user's xp machine
> > > didn't return the correct ascii character using the chr() statement, which I
> > > used to save the pixel data of the 4-bit bmp.  But now I used arrays instead
> > > of strings, and it works.  it was a very peculiar bug indeed.
> >
> > Odd. They probably need to have the latest VB Runtimes.
> >
> > > one more thing, would this formula work for color comparison?
> > > color=sqr((r^2)+(g^2)+(b^2))  I accidentally stambled on this while
> > > searching the internet for the dos to window color table.
> >
> > I don't think so.
> >
> > color=sqr((63^2)+(63^2)+(63^2))
> > = sqr(3969 + 3969 + 3969)
> > = sqr(11907)
> > ~ 109
> >
> > Use the formula I sent you before:
> >
> > color = RGB(r * 4 + Int(r / 16), g * 4 + Int(g / 16), b * 4 + Int(b / 16))
> >
> > > _______________________________________________
> > > Ohrrpgce-motherhamster.org mailing list
> > > ohrrpgce at lists.motherhamster.org
> > > http://lists.motherhamster.org/listinfo.cgi/ohrrpgce-motherhamster.org
> > >
> > >
> > >
> >
> >
> > --
> > Mike Caron
> > Final Fantasy Q
> > http://finalfantasyq.com
> > _______________________________________________
> > Ohrrpgce-motherhamster.org mailing list
> > ohrrpgce at lists.motherhamster.org
> > http://lists.motherhamster.org/listinfo.cgi/ohrrpgce-motherhamster.org
> >
> _______________________________________________
> Ohrrpgce-motherhamster.org mailing list
> ohrrpgce at lists.motherhamster.org
> http://lists.motherhamster.org/listinfo.cgi/ohrrpgce-motherhamster.org
> 


-- 
Mike Caron
Final Fantasy Q
http://finalfantasyq.com



More information about the Ohrrpgce mailing list