Google Summer of Code/2018/Project Ideas

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This page lists a number of ideas for potential Google Summer of Code 2018 projects. Also check existing bugs for more problems to solve.

This page's primary purpose is to help to give potential applicants ideas that they can build on to turn into applications for the program. Members of the community are encouraged to identify ideas for projects here, and whether they would be willing to act as a mentor for a student attempting the project.

Students can base their application on one of these ideas, or on an idea of their own if they prefer.

Processes

If you are thinking of applying for GSoC, please see our Google Summer of Code/Processes page which describes the way that we manage GSoC within Qt, so you know what we expect of students and Mentors.

Project Ideas

This is the list of projects. Please add projects using the GSoC idea template.

General

Port Qt to IncludeOS
Suggested By
Summary
Create a port of Qt to IncludeOS
Skills Required
C++
Difficulty
Hard
Possible Mentors
Notes
IncludeOS allows you to run your application in the cloud without an operating system. IncludeOS adds operating system functionality to your application allowing you to create performant, secure and resource efficient virtual machines. IncludeOS applications boot in tens of milliseconds and require only a few megabytes of disk and memory.
Comments

Qt Location

QtLocation is Qt's own mapping module. It has positioning and location modules for integrating maps into applications. For more information see http://doc.qt.io/qt-5/qtlocation-index.html.


OpenGL-based Map Items
Suggested By
Summary
Implement the rendering of geometric map items (circles, rectangles, polygons, polyline) in GLSL
Skills Required
C++, OpenGL
Difficulty
Medium
Possible Mentors
Notes
Comments
Geometric map items in QtLocation currently require considerable preprocessing, and even projection to screen is performed in CPU. Applying GPU-acceleration to the items rendering stack can be performed at multiple stages.


MapPolygons with holes and GeoJSON interoperability
Suggested By
Summary
Support MapPolygons with holes
Skills Required
C++, 3D Graphics
Difficulty
Medium
Possible Mentors
Notes
Comments
QtLocation's MapPolygon currently does not support polygons containing holes. Adding this support would allow a 1:1 feature matching with GeoJSON geometries. The scope of this project is therefore to implement the necessary enabler and the GeoJSON conversion API to produce GeoJSON from Map Items and vice versa, possibly allowing to feed GeoJSON to a MapItemView, and populate the map in that way.


3D Map Item
Suggested By
Summary
Add a Map Item to render 3D models
Skills Required
C++, 3D Graphics/OpenGL
Difficulty
Medium
Possible Mentors
Notes
Comments
To realize this project, a QtLite feature and a dependency on assimp could be added.


Indoor Maps support
Suggested By
Summary
Support indoor maps both from API and implementation perspective
Skills Required
C++
Difficulty
Medium
Possible Mentors
Notes
Comments
QtLocation currently offers no support for indoor maps. This project involves defining new tech preview API to deal with indoor maps, and the necessary adaptation to the renderer(s) to display the maps.

Qt Creator

Qt Creator is a powerful IDE for C/C++ development with and without Qt.

Language Server
Suggested By
TobiasHunger
Summary
Visual Studio Code introduced support for Language Servers. These are stand-alone programs that implement a interface for IDEs to interact with, so that features like Go to Definition can be implemented there. It would be great if these language servers could also be used by Qt Creator.
Skills Required
C++ and Qt development skills
Difficulty
medium
Possible Mentors
Qt Creator Team
Notes
Comments


Meson Support
Suggested By
TobiasHunger
Summary
Meson is a build system that has become popular with open source projects in the last couple of years. Qt Creator should be able to open meson projects natively.
Skills Required
C++/Qt and Python
Difficulty
medium
Possible Mentors
TobiasHunger
Notes
http://mesonbuild.com/ has details on meson. This will probably involve some work in meson to enable a fast IDE integration.
Comments


Bazel Support
Suggested By
TobiasHunger
Summary
Bazel is a fast build system by Google. Qt Creator should support projects using this build system natively.
Skills Required
C++/Qt
Difficulty
medium
Possible Mentors
TobiasHunger
Notes
https://bazel.build/ has details on bazel.
Comments

Qt Wayland platform plugin

Implement support for various protocol extensions
Suggested By
Johan Helsing
Summary
Some of these are easily implemented, other require more work. Pick as many as you think you can manage:
Skills Required
C++/Qt
Difficulty
medium
Possible Mentors
Johan Helsing
Notes
Comments

Qt Quick

The Qt Quick module is the standard library for writing QML applications. While the Qt QML module provides the QML engine and language infrastructure, the Qt Quick module provides all the basic types necessary for creating user interfaces with QML.


QML photosphere/360 video viewer
Suggested By
Summary
Create a new QML element (or two separate ones) to display and interact with 360 photos and videos
Skills Required
C++, OpenGL
Difficulty
Medium
Possible Mentors
Notes
This project is intended to fully support 360 photos and videos in QML. This includes reading metadata, support for partial photospheres, blitting frame crops to zoom, etc. A starting point can be https://github.com/paoletto/qphotosphere
Comments


Qt Quick Controls 2 Silica Style
Suggested By
Summary
Implement Sailfish OS Silica Controls as Qt Quick Controls 2 Style
Skills Required
QML/JS, C++, OpenGL
Difficulty
Medium
Possible Mentors
None yet
Notes
Sailfish Silica controls is based on Qt Quick not Qt Quick Controls (neither first not second). The idea is no rewrite them with QQC2 to provide efficiency of C++ for compex code and simplify cross-platform development for Sailfish OS. Blog note describing problem: http://aa13q.ru/qqc2-silica-style-en/
Comments

Qt Android Extras

Remotely Display Qt Applications on Google Chromecast
Suggested By
Summary
Integrate "Google Remote Display" API into Qt framework. https://developers.google.com/cast/docs/remote
Skills Required
C++, Android SDK/NDK
Difficulty
Medium
Possible Mentors
Notes
The remote display on the Chromecast (receiver) can present information that is entirely different than the information presented in the display on the Qt device (sender device).
Comments
Ideally, Qt examples can be displayed on the big screen connected with Chromecast without extra effort. This project is also useful for headless devices to report internal content.

Qt PDF

PDF support in Qt
Suggested By
Summary
Skills Required
C++
Difficulty
Medium
Possible Mentors
Notes
Comments

Qt 3D

Support for Virtual Reality APIs
Suggested By
Summary
There is a proof of concept for adding VR support to Qt3D. This needs a lot of love to support proper input, lower latency and more functionality.
Skills Required
C++, QML, Qt3D
Difficulty
Hard
Possible Mentors
None yet
Notes
Proof of Concept: https://github.com/dabulla/qt3d-vr-example. A lot of conceptual work has been done and there is support for multiple popular VR APIs. The task consists of implementation and a concept to interface VR input devices and 3D Models of OpenVR (and optionally Oculus VR directly). The challenge for VR support in Qt3D is to achieve great performance/low latency while providing an easy-to-use (QML-) interface. I already used the current implementation in a project and I'm confident that this implementation could add great value to Qt3D. On the other hand side parts of the working prototype use function calls from QML and Timers. It would be the student's job to create a concept with proper property bindings for these cases. The vendors VR APIs are mostly C and need wrapping in harmony with Qt Coding Style.
Comments