Display image in c

Posted on June 10, 2019 by Paul

In this article I will show you how to read and write images with the stb_image libraries. In order to exemplify the usage of the library I’ll demo how to convert an image to gray and how to apply a sepia filter to the image.

As a side note, the C code from this article is compatible with any modern C compilers like GCC, Clang and MSVC.

You can find the source files and image examples used here on the GitHub repo for this article.

The article consists of two parts:

stb_image basic usage

Let’s start by getting the libraries from GitHub:

if you don’t have git installed on your computer you can use the Download ZIP option.

Next, copy the three files prefixed with stb_image from the stb folder in a new folder named stb_image that, from now on, I will assume it is present in your project folder.

Optionally, you can remove the stb folder from your machine.

There is also a video version of this part of the tutorial:

We’ll start with an example of basic usage of the library functions.

We’ll read a

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