gil/example/histogram.md

Histogram

Histogram capabilities in GIL are demonstrated by the program histogram, compiled from the sources example/histogram.cpp.

Synopsis

histogram

The program doesn't take any argument on the command line.

histogram expects to find an image called test_adaptive.png in the current directory. The program doesn't produce any output.

Specific requirements

Build requirements

• A C++ compiler compliant with C++14 or above
• The PNG library installed and configured.

Execution requirements

• histogram expects to find an image called test_adaptive.png in the current directory.