c77b945acd
* For better performance, we allow doing drawing mode changes (and thus, B_OP_COPY) again when inside an opaque layer which has only other opaque layers below it in the layer stack. As soon as the first non-opaque layer turns up in the stack, the drawing mode will be locked to alpha composite mode, until this layer stack is ended entirely. This allows using B_OP_COPY in many cases as used by WebKit. * In the long term it would be nice to get rid of the drawing-mode lock altogether, however that would need some larger refactoring work in Painter (i.e. remove the offsetting from renderer_region again and instead implement an "exit-level transform" (support for offsets is enough) in Painter which is applied after all other transforms).
Haiku
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Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.
Goals
- Sensible defaults with minimal configuration required.
- Clean, clear, concise code.
- Unified desktop environment.
Trying Haiku
Haiku provides pre-built nightly images and release images. Haiku is compatible with a large variety of hardware, but in case you don't want to "take the plunge" and install Haiku on bare metal, you can install it on a virtual machine (VM) instead. If you've never used a VM before, you can follow one of the "Emulating Haiku" guides.
Compiling Haiku
See ReadMe.Compiling.
Contributing
Haiku is a meritocratic open source project with a large variety of tasks. Even if you can't write code, you can still help! Haiku needs designers, (technical) writers, translators, testers... Get involved and help out!
Contributing code
If you're submitting a patch to us, please make sure you're following the patch submitting guidelines.
If you're having trouble finding something in the source tree, you can use one of our OpenGrok servers:
- http://xref.plausible.coop/ (provided by Landon Fuller)
- http://code.metager.de/source/xref/haiku (provided by MetaGer)
Contributing documentation
The main piece of documentation that still needs work are the API docs (found
in the tree at docs/user). Just find an undocumented class, write
documentation for it, and submit a patch.
Contributing translations
See wiki:i18n.
Contributing software ports
See HaikuPorts.