# Megapixels

> GTK4 camera software for mobile phones

**Wikidata**: [Q107407373](https://www.wikidata.org/wiki/Q107407373)  
**Source**: https://4ort.xyz/entity/megapixels

## Summary
Megapixels is a free and open-source camera application designed for mobile phones. Built using the GTK4 graphical toolkit, it provides a software interface for digital cameras on mobile devices. The application is distributed under the GNU General Public License version 3.0.

## Key Facts
- **Description:** GTK4 camera software specifically designed for mobile phones.
- **License:** GNU General Public License, version 3.0 (GPLv3).
- **Software Type:** Classified as both free software and an end-user application.
- **Initial Release:** The project inception date is January 23, 2020.
- **Latest Stable Version:** Version 1.1.0, released on June 13, 2021.
- **Technology Stack:** Written in the C programming language (Q15777) and utilizes the GTK framework (specifically GTK4).
- **Source Code Repositories:** Hosted on SourceHut and GitLab (specifically within the postmarketOS group).
- **Target Platform:** Mobile phones (operating on system Q3251801).
- **Website:** https://gitlab.com/postmarketOS/megapixels

## FAQs
### Q: What is Megapixels used for?
A: Megapixels is a camera application used to operate digital cameras on mobile phones. It serves as the interface for capturing photographs on supported devices.

### Q: Is Megapixels free to use?
A: Yes, Megapixels is free software distributed under the GNU General Public License, version 3.0. This allows users to freely run, study, change, and distribute the software.

### Q: When was Megapixels created?
A: The project inception date for Megapixels is recorded as January 23, 2020.

### Q: Where can the source code for Megapixels be found?
A: The source code is maintained in repositories on SourceHut and GitLab.

## Why It Matters
Megapixels addresses a critical need in the mobile Linux ecosystem by providing a native, functional camera interface for mobile phones. In the context of Linux-based mobile operating systems (suggested by the postmarketOS repository link), hardware support—particularly for cameras—is often a significant challenge due to proprietary drivers and complex pipelines.

By utilizing the modern GTK4 toolkit, Megapixels offers a contemporary user interface that aligns with the development standards of the GNOME ecosystem. Its existence as free software under the GPLv3 license is significant for open-source mobile development; it ensures that users have control over their device's functionality without relying on proprietary "black box" binaries. It facilitates the use of mobile phone hardware as digital cameras within the free software community, acting as a key utility for users operating Linux on mobile devices.

## Notable For
- **GTK4 Implementation:** It is a camera application built specifically using GTK4, a modern open-source widget toolkit.
- **Mobile Linux Focus:** Unlike many generic camera apps, it is tailored for the specific constraints and architectures of mobile phones running Linux-based OS (Q3251801).
- **Free Software Licensing:** It stands out as a fully free software solution for camera hardware, adhering to the definition of allowing users to study and modify the code.
- **postmarketOS Association:** The software is notably integrated or associated with postmarketOS, as indicated by its primary website and repository paths.

## Body

### Development and History
The Megapixels project was initiated on January 23, 2020. It is maintained as free software, classified structurally as an application designed for end-users. Development has been active, with the codebase accessible via multiple repositories. The project timeline indicates a stable release cycle, with version 1.1.0 marked as a stable release on June 13, 2021.

### Technical Architecture
Megapixels is engineered using the C programming language (identified in sources as Q15777). The application relies on the GTK framework, specifically version 4 (GTK4), for its graphical user interface. This choice of framework suggests an emphasis on modern rendering capabilities and compatibility with contemporary Linux desktop and mobile environments.

The software is designed to operate on Linux-based systems (Q3251801) and interfaces directly with digital camera hardware.

### Distribution and Licensing
The application is copyrighted but freely distributed under the GNU General Public License, version 3.0. This licensing ensures that the software remains free for public use, modification, and redistribution.

Source code is available through two primary channels:
1.  **SourceHut:** `https://git.sr.ht/~martijnbraam/megapixels/`
2.  **GitLab:** `https://gitlab.com/postmarketOS/megapixels` (listed as the preferred website).

## References

1. [Source](https://git.sr.ht/~martijnbraam/megapixels/tree/master/item/LICENSE)
2. [Source](https://git.sr.ht/~martijnbraam/megapixels/refs/1.1.0)
3. [Source](https://git.sr.ht/~martijnbraam/megapixels/commit/f40f17a588d372e1659aeb7aeb4321578c4536d9)