From: "Chuck U. Farley" <c128 AT bellsouth DOT net>
Newsgroups: comp.os.msdos.djgpp
References: <372ABD26 DOT 5E0A3FC5 AT hotmail DOT com> <7geuvu$6ks$1 AT newssrv DOT otenet DOT gr>
Subject: Re: Bitmap Loading Problem
Lines: 82
Organization: SuperNova Software
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Date: Sun, 2 May 1999 15:52:55 -0400
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Pavlos is correct.

In your original code, you dont appear to be freeing the bitmap.

I bet you are running  out of ram.  Nice to know you can hold about 800
frames at once!
:)

-Chuck U. Farley



Pavlos wrote in message <7geuvu$6ks$1 AT newssrv DOT otenet DOT gr>...
>Well, first of all you shouldn't use create_bitmap()
>load_bitmap() allocates memory itself
>So, here's what you have to do for each .pcx
>
>'loop_start'
>
>buffer=load_bitmap(.....)
>blit(...)
>free(buffer);
>
>'loop_end'
>
>
>
>Denis Lamarche wrote in message <372ABD26 DOT 5E0A3FC5 AT hotmail DOT com>...
>>Ok...I've a big problem (but aren't they all).  I mage a myst type game
>>that just loads pcx
>>files from my hard drive to simulate motion.  Works fine, but if I load
>>a pcx into the same
>>buffer(BITMAP *buffer) then it stops loading the pcx.  The code below
>>should explain it all.
>>when the for loop gets to 800(or so) it doesnt load the pcx any more.
>>What am I doing wrong?
>>Do I have to close the pcx file or something?
>>
>>
>>Denis Lamarche
>>
>>
>>
>>#include <stdio.h>
>>#include <allegro.h>
>>
>>BITMAP *buffer;
>>PALETTE pal;
>>
>>int main()
>>{
>>allegro_init();
>>set_gfx_mode(GFX_VGA, 320, 200, 0, 0);
>>buffer=create_bitmap(320,200);
>>
>>for (int i=0;i<10000;i++)
>>    {
>>    buffer=load_bitmap("c:\\flc\\rm1t10.pcx", pal); //Or any 320x200x256
>>pcx file
>>    if (buffer==NULL)
>>       {
>>       textprintf(screen, font, 10, 40, 20, "cannot load pcx at %d
>>",i);
>>       }
>>    else
>>       {
>>       set_palette(pal);
>>       textprintf(buffer, font, 10, 10, 20, "%d ", i);
>>       blit(buffer, screen, 0, 0, 0, 0, 320, 200);
>>       }
>>    }
>>
>>
>>getchar();
>>destroy_bitmap(buffer);
>>allegro_exit();
>>return 69;
>>}
>
>