OpenEuphoria

RE: poke4 won't accept my 32bit values

• Posted by Derek Parnell <derekp at solace.com.au> Mar 18, 2001
• 542 views

In the call to TranslateMsg etc... are you using C_INT/C_LONG or
C_UINT/C_ULONG as the signature?

> -----Original Message-----
> From: Chris Bensler [mailto:bensler at mailops.com]
> Sent: Monday, 19 March 2001 3:50 PM
> To: EUforum at topica.com
> Subject: RE: poke4 won't accept my 32bit values
>
>
>
>
> So as to clarify..
>
>    I am still using WinMain, but how it is supposed to work..
> WinMain takes the Init, Main and Exit routines as handles..
>
>  With My Lib, I have split WinMain, into the 3 seperate components..
> WinMain is Initialized, in the users Init code, Then the
> message loop is
> called through the users Main code... and there is no Exit components
> for WinMain, they are already internal..
>
> The problem lies, where I split the message loop from the
> WinMain code..
>
> For all practical purposes, this works OK, only when I try to pass a
> 32bit value to my seperated version do I run into problems..
>
> It's difficult to explain, you really just need to see my examples to
> understand..
>
> FYI: the range I am using is #00000000 - #FFFFFFFF . 32bit
> color values
>
> I think, it's something along the lines of what you're saying.. I
> believe the values are being cropped to 8bit integer values.. Thus
> returning an error saying the value must be a 32bit integer.
>
>
> Chris
>
>
> Robert Craig wrote:
> > Chris Bensler writes:
> > > ...when the code does not pass through WinMain,
> > > it doesn't allow me to poke4 the values, resulting
> > > in incorrect colors..
> >
> > I'm not sure what you are doing, but
> > keep in mind that Euphoria routines, such as poke4(),
> > deal with data in Euphoria's internal format.
> > Euphoria integers and C integers are the same,
> > as long as you are in the range of (roughly) -1 billion
> > to +1 billion. Outside of this range a Euphoria library
> > routine will interpret the number to be a kind of pointer to
> > a double or a sequence. To pass a 32-bit integer,
> > outside of the range, you would have to create a pointer
> > to a double, like what NewDouble() returns, and pass that.
> > This is very tricky, not for the faint of heart.
> >
> > Also, WinMain() causes a lot of necessary stuff to
> > be initialized. If you skip it, some things won't work right.
> >
> > Regards,
> >    Rob Craig
> >    Rapid Deployment Software
> >    http://www.RapidEuphoria.com
> >
> >
>
>
>