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From: Maurice Lombardi <Maurice DOT Lombardi AT ujf-grenoble DOT fr>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Graphics
Date: Thu, 14 Mar 2002 16:45:20 +0100
Organization: Universite Joseph Fourier - Grenoble 1
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Amish K. Munshi wrote:

> Hi,
> 
>  
> 
>     I am a newbie to graphics programming and wanting to use DJGPP for 
> my graphics programming. I want to know if someone can just help me and 
> write to me a simple program which can bascially plot a pixel on the 
> screen, I should be able to manage with the algorithms myself.
> 
>     I have done my programs in TC and used the following to plot points.
> 
>  
> 
> #include <graphics.h>
> 
>  
> 
> void main()
> 
>     {
> 
>         int gd,gm;
> 
>        
> 
>         detectgraph(&gd,&gm);
> 
>         initgraph(&gd,&gm,"d:\\tc\\bgi");
> 
>         putpixel(10,10,RED);
> 
>         closegraph();
> 
>     }
> 
>  
> 
>     I have done this sucessfully. I want to know which files need to be 
> included for DJGPP compiler. I have written the following program 
> refering to the documentation, but it is not compiling giving an error 
> c:\windows\temp\cccqjeyh(.text+0x13):temp.c: undefined reference to 
> 'detectgraph'
> 
> and similarly for initgraph putpixel __gr_INIT and __gr_restcecrtmode.
> 
>  
> 
>  
> 
> #include <stdio.h>
> 
> #include <libbcc.h>
> 
> int main()
> 
> {
> 
> int gd,gm;
> 
> detectgraph(&gd,&gm);
> 
> initgraph(&gd,&gm,"");
> 
> putpixel(100,100,55);
> 
> closegraph();
> 
> return 0;
> 
> }
> 
>     Plese let me know what am I doing wrong.
> 


You need an emulation for DJGPP of the TP graphics system.

One good is GRX (plug in replacement AFAIK).
you will find it at

http://www.gnu.de/software/GRX/

Maurice

-- 
        Maurice Lombardi
Laboratoire de  Spectrometrie Physique,
Universite Joseph Fourier de Grenoble, BP87
38402 Saint Martin d'Heres Cedex     FRANCE
Tel: 33 (0)4 76 51 47 51
Fax: 33 (0)4 76 63 54 95
mailto:Maurice DOT Lombardi AT ujf-grenoble DOT fr