bourgesl / Marlin Renderer
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Marlin-renderer
Marlin is an open source (GPL2 + CP) Java2D RenderingEngine optimized for performance (improved memory usage (~ no GC) and footprint, better multi-threading) and better visual quality based on openjdk's pisces implementation.
It handles shape rendering (Graphics2D draw(Shape) / fill(Shape) with stroke & dash attributes only but it does it very well !
Release history
Latest release: https://github.com/bourgesl/marlin-renderer/releases/latest
| JDK | Default renderer | Available Marlin release |
|---|---|---|
| Oracle JDK 6 - 8 | Ductus | Marlin-renderer 0.9.4.3 |
| Open JDK 6 - 8 | Pisces | Marlin-renderer 0.9.4.3 |
| Azul Zulu 8.20+ | Marlin 0.7.4 / 0.9.1.1 | Marlin 0.9.1.1 integrated in 2018.12, Marlin-renderer 0.9.4.3 |
| Jetbrains JDK 8 | Marlin 0.7.4 / 0.9.3 | Marlin 0.9.3 integrated in 2018.09, Marlin-renderer 0.9.4.3 |
| Open JDK 9 | Marlin 0.7.4 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 10 | Marlin 0.8.2 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 11 | Marlin 0.9.1 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 11.0.2 | Marlin 0.9.1.1 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 12 | Marlin 0.9.1.1 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 13 | Marlin 0.9.1.1 | Marlin-renderer 0.9.4.2 for JDK9+ |
| Open JDK 14 (EA) | Marlin 0.9.1.3 | Marlin-renderer 0.9.4.2 for JDK9+ |
For JavaFX, see the Marlin-FX project
News
- aug 2019: Marlin 0.9.1.2 integrated in OpenJDK 14
- jul 2019: MarlinFX 0.9.3.1 integrated in OpenJFX 14, backported in OpenJFX 13
- oct 2018: MarlinFX 0.9.3 integrated in OpenJFX 12
- oct 2018: Marlin 0.9.1.1 backported to OpenJDK 11 updates (11.0.2)
- sep 2018: Marlin 0.9.1.1 integrated in OpenJDK 12
- jun 2018: MarlinFX 0.9.2 integrated in OpenJFX 11
- apr 2018: Marlin 0.9.1 integrated in OpenJDK 11
- dec 2017: Marlin & MarlinFX 0.8.2 integrated in OpenJDK & OpenJFX 10
- nov 2017: Marlin rocks on Geoserver benchmarks: see geoserver (including Marlin 0.8.2) vs geoserver-jai results: it boosts geoserver to achieve MapServer performance !!
- My personal point of view after javaone: it is your turn to contribute to OpenJDK & OpenJFX: see openjdk thread
- 4 oct 2017: JavaOne talk slides: Marlin, a JDK9 Success Story: Vector Graphics on Steroids for Java 2D and JavaFX
- may 2017: Marlin & MarlinFX 0.7.5 integrated in OpenJFX10 (enabled by default)
- feb 2017: Blog post comparing Oracle ductus vs OpenJDK Marlin renderers (latency) Performance Rendered Visual
- nov 2016: MarlinFX 0.7.5 integrated in OpenJFX9
- jul 2016: Marlin integrated in Jetbrains OpenJDK8 build and running in IntelliJ IDEA 2016.3
- feb 2016: FOSDEM talk slides Marlin renderer, a successful fork and join the OpenJDK 9 project
- dec 2015: Marlin 0.7.4 integrated in OpenJDK9
Build status
Continuous Integration by Travis CI (build + unit & integration tests):
- Branch unsafe-dev (jdk6-8):
* Branch use_Unsafe (jdk6-8):
* Branch jdk (jdk9+):
License
As marlin is a fork from OpenJDK 8 pisces, its license is the OpenJDK's license = GPL2 + ClassPath exception:
GNU General Public License, version 2, with the Classpath Exception
The GNU General Public License (GPL)
Version 2, June 1991
See License.md
Performance
See the Benchmarks
Documentation
Documentation on how to use and tune the Marlin renderer is available in the wiki
Help is needed to improve the wiki & documentation !
Getting in touch
Users and developers interested in the Marlin-renderer are kindly invited to join the marlin-renderer Google Group.
Contributing
Contributions are welcomed, get in touch with us on the marlin-renderer Google Group and share your improvements via pull requests. Since we contribute this renderer into OpenJDK, we accept contributions from people that have signed the Oracle Contribution Agreeement (very easy to do)
Support our work
To support my efforts on improving either Java2D or JavaFX rendering thanks to the Marlin & MarlinFX projects, please contribute to the gofundme campaign 'Marlin renderer 0.9 dev & FX port': https://www.gofundme.com/marlin-09 or for long-term support, you can become my patron: https://www.patreon.com/user?u=9339017
Please help if you appreciate the Marlin project:
- share your benchmark & test results (quality ?)
- improve test cases, quality & unit tests, submit bug reports
- documentation should be improved & updated
Related projects
- Mapbench provides testing & benchmarking tools based on real world map painted by the GeoServer
- Marlin-FX provides the Marlin renderer port into JavaFX Prism (shape rasterizer)
Acknowledgments:
The Marlin renderer project benefits from the following tools:
-
supports open source projects with its full-featured Java Profiler.
YourKit, LLC is the creator of YourKit Java Profiler
and YourKit .NET Profiler, innovative and intelligent tools for profiling Java and .NET applications.
