A cross-platform virtual tabletop for multiplayer card games https://cockatrice.github.io
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BruebachL 03229db0bd
Fix cn and ss flags losing stars and clamp svg render sizes (#7168)
cn.svg and ss.svg defined their star polygons with coordinates around
plus/minus 5e5 compensated by tiny scale transforms. Qt drops shapes whose
device space bounds exceed its rasterizer coordinate limit, so both flags
silently lost their stars when rendered wider than roughly 76px. That
threshold was always exceeded because loadSvg with expandOnly renders at
the declared 640x480 native size before scaling down to the icon size.

Fold the scale transforms into the polygon coordinates so the geometry is
unchanged while bounds stay small at every render size.

Also cap expandOnly and usericon render canvases at four times the
requested size to bound memory use and keep pathological theme svgs away
from the rasterizer limit.

Took 8 minutes

Took 57 seconds


Took 3 minutes

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
2026-08-23 20:13:14 +02:00
.ci Update & add arch/platform labels in release template (#7149) 2026-08-23 12:56:00 +02:00
.github Docker: Build ARM image natively (#7046) 2026-08-23 15:51:33 +02:00
.tx Remove webclient (extracted to Webatrice repo) (#6848) 2026-05-08 09:14:53 -04:00
cmake [CI] Remove Qt5 (#7071) 2026-08-08 22:04:50 +02:00
cockatrice Fix cn and ss flags losing stars and clamp svg render sizes (#7168) 2026-08-23 20:13:14 +02:00
doc [Networking] Doxygen (#7030) 2026-07-27 11:27:00 +02:00
libcockatrice_card [Cards] Artist attribution (#7092) 2026-08-21 02:54:36 +02:00
libcockatrice_deck_list [Game] Playmats (#7101) 2026-08-21 10:40:49 +02:00
libcockatrice_filters [CI] Remove Qt5 (#7071) 2026-08-08 22:04:50 +02:00
libcockatrice_interfaces [Server/Client/Protocol] Reporting users + moderation queue functionality (#7091) 2026-08-21 15:00:13 +02:00
libcockatrice_models [Refactor] Batch CardDatabaseModel enabled-sets rebuild into one model reset (#7113) 2026-08-14 09:03:24 +02:00
libcockatrice_network [Server] Add match result strategy hook (#7131) 2026-08-23 18:37:15 +02:00
libcockatrice_protocol [Network] Measure real server round-trip times (#7153) 2026-08-23 00:03:52 +02:00
libcockatrice_rng [CI] Remove Qt5 (#7071) 2026-08-08 22:04:50 +02:00
libcockatrice_settings [Server/Client/Protocol] Reporting users + moderation queue functionality (#7091) 2026-08-21 15:00:13 +02:00
libcockatrice_utility [Server/Client/Protocol] Reporting users + moderation queue functionality (#7091) 2026-08-21 15:00:13 +02:00
oracle [Cards] Artist attribution (#7092) 2026-08-21 02:54:36 +02:00
servatrice [Server/Client/Protocol] Reporting users + moderation queue functionality (#7091) 2026-08-21 15:00:13 +02:00
tests [Client] Detect main-thread event loop stalls (#7155) 2026-08-23 00:53:40 +02:00
vcpkg@9e593bb18e Update vcpkg submodule to 2026.07.29 release (+ add baseline) (#7067) 2026-08-05 22:00:06 +02:00
.clang-format Enable RemoveSemicolon & update format.sh (#6896) 2026-05-16 20:26:37 +02:00
.cmake-format.json rework formatting with cmake-format (#4627) 2022-06-08 21:14:26 -04:00
.dockerignore Update CONTRIBUTING and more travis removing (#4179) 2020-11-28 03:14:15 -05:00
.gitignore [Card Database] Improve loading times through binary cache (#7051) 2026-07-27 23:12:53 +02:00
.gitmodules Docs: Use doxygen-awesome-css theme (#6512) 2026-01-24 11:22:43 +01:00
CMakeLists.txt [CI] Remove Qt5 (#7071) 2026-08-08 22:04:50 +02:00
docker-compose.yml Docker compose: Link to our GHCR hosted servatrice image (#6728) 2026-03-22 10:28:24 +01:00
docker-compose.yml.windows Docker compose: Link to our GHCR hosted servatrice image (#6728) 2026-03-22 10:28:24 +01:00
Dockerfile Docker: Build ARM image natively (#7046) 2026-08-23 15:51:33 +02:00
Doxyfile [Networking] Doxygen (#7030) 2026-07-27 11:27:00 +02:00
format.sh Fix a bug with a symlink dir not resolving correctly. (#7148) 2026-08-18 21:50:12 +02:00
LICENSE update the address of the fsf in the license (#6113) 2025-09-10 18:18:34 -04:00
README.md [CI] Remove Qt5 (#7071) 2026-08-08 22:04:50 +02:00
shell.nix nix: Add development utilities to shell.nix (#5725) 2025-03-15 19:03:26 +00:00
vcpkg.json Update vcpkg submodule to 2026.07.29 release (+ add baseline) (#7067) 2026-08-05 22:00:06 +02:00


Cockatrice | Download | Related | Community | Contribute | Build | Run



To get started with Cockatrice ⇢ view our webpage
To get support, or suggest changes to the app ⇢ file an issue (How?) To help with development ⇢ learn how to contribute


Cockatrice

Cockatrice is an open-source, multiplatform application for playing tabletop card games over a network. The program's server design prevents users from manipulating the game for unfair advantage. The client also provides a single-player mode, which allows users to brew while offline.

This project uses C++ and the Qt libraries.

Download Cockatrice Eternal Download Count

Downloads are available for stable releases and the current beta version in development.
There is no strict release schedule for either of them.

Latest stable release:
Download Stable Release  
Latest beta version:
Download Beta Release   
While incorporating the latest fixes and features, beta builds may not be stable or contain new bugs!
Please report any findings and open new issues when testing them!

Related Repositories

Community Resources Discord

Join our Discord community to connect with other project contributors (#dev channel) or fellow users of the app. Come here to talk about the application, features, or just to hang out.

Important

For support regarding specific servers, please contact that server's admin/mods and use their dedicated communication channels rather than contacting the team building the software.

Contribute

Code | Documentation | Translation

Repository Activity

Cockatrice Repo Analytics

Kudos to all our amazing contributors ❤️

Made with contrib.rocks

Code

To contribute code to the project, please review our guidelines first.
We maintain two tags for contributors to easier find issues to potentially work on:

  • Good first issue
    Issues tagged in this way provide a simple way to get started. They don't require much experience to be worked on.
  • Help wanted
    This tag is used for issues that we are looking for somebody to pick up. Often this is for feature suggestions we support, but don't have the time to work on ourselves.

For both tags, we're willing to provide help to contributors in showing them where and how they can make changes, as well as code reviews for submitted changes.
We'll happily advice on how best to implement a feature, or we can show you where the codebase is doing something similar before you get too far along - put a note on an issue you want to discuss more on!

You can also have a look at our Todo List in our Code Documentation or search the repo for \todo comments.

Documentation CI Docs

There are various places where useful information for different needs are maintained:

Cockatrice tries to use the Google Developer Documentation Style Guide to ensure consistent documentation. We encourage you to improve the documentation by suggesting edits based on this guide.

Translation Transifex Project

Cockatrice uses Transifex to manage translations. You can help us bring Cockatrice and Oracle to your language and just adjust single wordings right from within your browser by visiting our Transifex project page. The Webatrice web client manages its own translations in its repo.

Check out our Translator FAQ for more information about getting involved, and join a group of hundreds of others!

Build CI Desktop CI Docker

Dependencies: (for minimum versions search our CMake file)

Oracle can optionally use some packages to load compressed card files:


Basic compilation steps:

mkdir build
cd build
cmake ..
make

You can then

  • Create a Cockatrice installation inside the release folder:
    make install
    
  • Or make an installation package specific to your system:
    make package
    

Note

Detailed compiling instructions can be found in the Cockatrice wiki at Compiling Cockatrice


The following flags (with their non-default values) can be passed to cmake:

Flag Description
-DWITH_SERVER=1 Build Servatrice server
-DWITH_CLIENT=0 Don't build Cockatrice client
-DWITH_ORACLE=0 Don't build Oracle card database tool
-DCMAKE_BUILD_TYPE=Debug Compile in debug mode
Enables extra logging output, debug symbols, and much more verbose compiler warnings
-DWARNING_AS_ERROR=0 Don't treat compilation warnings as errors in debug mode
-DUPDATE_TRANSLATIONS=1 Configure make to update the translation .ts files for new strings in the source code
Note: make clean will remove the .ts files
-DTEST=1 Enable regression tests
Note: make test to run tests, googletest will be downloaded if not available

Run

Cockatrice is the game client
Oracle fetches card data
Servatrice is the server

Docker

You can build an image & deploy a Servatrice (Cockatrice server) container using Docker and our Dockerfile yourself.

For more details, look into our wiki section on Setting up Servatrice.
You'll also find more hints on our pre-build image there, or the docker-compose file which will configure and run both a MySQL server and Servatrice.

License GPLv2 License

Cockatrice is free software, licensed under the GPLv2.