Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: Jack Copper <impmeister@earthlink.net>
Newsgroups: scea.yaroze.programming.2d_graphics
Subject: Re: TIM File
Date: Wed, 28 May 1997 21:24:49 -0400
Organization: ArcanaTech
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Nelson Santos wrote:
> 
> Hi all.
> 
> I wrote the following small program to extract some information about a
> certain TIM file I want to display:
> 
> //-----------------------------------------
> #include <libps.h>
> 
> #define PICTURE 0x80110000
> 
> void main(void)
> {
>    GsIMAGE Image;
>    GsGetTimInfo((u_long *)PICTURE,&Image);

Nelson,
If you loaded a standard TIM file at 0x80110000, you want to point 4
bytes past that address when you pass it to GsGetTimInfo. You need to
skip the file size that is in the first 4 bytes (a 32 bit integer). See
page 113 in the Library Reference.

Your call should be:
GsGetTimInfo( (u_long *)(PICTURE+4), &Image );

The stuff below is bogus because the address you passed wasn't right.

Try the right address and the numbers you get should make more sense..

Jack Copper

>    printf("Pixel Mode: %u\n",Image.pmode);
>    printf("   Pixel X: %u\n",Image.px);
>    printf("   Pixel Y: %u\n",Image.py);
>    printf("   Pixel *: %x\n",Image.pixel);
>    printf("   CLUT CX: %u\n",Image.cx);
>    printf("   CLUT CY: %u\n",Image.cy);
>    printf("   CLUT CW: %u\n",Image.cw);
>    printf("   CLUT CH: %u\n",Image.ch);
>    printf("    CLUT *: %x\n",Image.clut);
> }
> //-----------------------------------------
> 
> This is the output produced:
> 
>    Pixel Mode: 16
>       Pixel X: 22540
>       Pixel Y: 2
>       Pixel *: 80110010
>       CLUT CX: 17
>       CLUT CY: 4294963200
>       CLUT CW: 8192
>       CLUT CH: 0
>        CLUT *: 2000
> 
> Aside from "Pixel Mode" and "Pixel *", the rest of these values make NO
> SENSE to me.  "Pixel Mode", according to the Library Reference Page 30,
> should be between 0 and 4.  I'm getting 16.  I'm assuming this means 16 bit
> and there is an error in the Library Reference.
> 
> HELP!  Please clarify the rest of these numbers for me!  Thanks!
> 
> Nelson.