The C++ Template Image Processing Library.
Initially developped in the Odyssée Lab, at the INRIA-Sophia Antipolis.

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Environment variables.

The CImg library is a multiplatform library, working on a wide variety of systems. This implies the existence of some environment variables that must be correctly defined depending on your current system. Fortunately, the CImg Library defines these variables automatically most of the time (for standart systems). Anyway, it may happens that some systems are not recognized, and then, you have to set the environment variables by hand.

Setting the environment variables is done with the #define keyword. This setting must be done before including the file CImg.h in your source code. For instance, defining the environment variable cimg_display_type would be done like this :

#define cimg_display_type 0
#include "CImg.h"
...

Here are the different environment variables used by the CImg Library :

Finally, these compilation variables can be checked, using the function cimg::info(), which displays on the standart error output a list of the different configuration variables and their values.


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