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How to use graphics.h in ubuntu

Follow following steps to run graphics programs in ubuntu

Step 1: You need to install the dependencies so that all the required compiler tools gets installed. For that you need to run the given command on the terminal:

sudo apt-get install build-essential

      If you are getting error after executing above command run following command else goto step 2.
         It might give an error in ubuntu 14.04 line package not found. In that case you need to add repository for that execute following command:

 sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main universe"

 sudo apt-get update

 sudo apt-get install build-essential

Step 2: You need to install some packages. They are: libsdl-image1.2, libsdl-image1.2-dev, guile-1.8 and guile-2.0-dev. For that run the given command at the terminal one by one :

sudo apt-get install guile-2.0-dev

sudo cp -r /usr/include/guile/2.0/* /usr/include/ 

sudo apt-get install libsdl1.2-dev

sudo apt-get install libsdl-image1.2-dev

sudo apt-get install libsdl2-dev

sudo apt-get install libsdl2-image-dev

 

Step 3: Now, download and install libgraph-1.0.2.tar.gz from the [Official link]  [Mirror]:

Download this file in any folder and extract it in the home folder or on the desktop wherever you want.

Open the terminal and navigate to the folder where you have extracted libgraph-1.0.2 with the help of cd command. Install this using the commands given below:

./configure

sudo make

sudo make install

Step 4: At last run following command in terminal :

sudo cp /usr/local/lib/libgraph.* /usr/lib

Step 5: Now you able to run your graphics program in ubuntu

 to run your graphics program use following commands:

gcc filename.c -lgraph

./a.out 

Sample graphics Code :

1 2 3 4 5 6 7 8 9 10 11 12 13

#include<stdio.h> #include<graphics.h> void main() { int gd=DETECT,gm; detectgraph(&gd,&gm); initgraph(&gd,&gm,""); line(10,10,150,150); delay(5000); closegraph(); }