boost/gil

mirror of https://github.com/boostorg/gil.git synced 2026-01-19 04:12:11 +00:00

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Nicolas Herry 0b24f4cdbf Ensure all examples build without error (#628 )

* Added all missing examples, dodgy Jamfile still
* Fixed attributions and Jamfile indent
* One readme per example: synopsis, build and exec reqs
* Cleaned up example/convolve2d.cpp
* Added example target to root Jamfile

Closes #436

2021-11-10 18:21:02 +01:00

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Histogram computation

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

Synopsis

tutorial_histogram

The program expects to find an image in the JPEG format in the current directory named input.jpg, and produces a text file named out-histogram.txt, in the current direction, where the histogram has been calculated..

The program doesn't take any command line arguments.

Specific requirements

Build requirements

A C++ compiler compliant with C++11 or above
The JPEG library installed and configured.

Execution requirements

tutorial_histogram expects to find an image in the JPEG format in the current directory.

751 B Raw Blame History