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Truly independent web browser
45698 commits 1 branch 0 tags 424 MiB
C++ 73.5%
HTML 14.6%
JavaScript 9.3%
CMake 0.8%
Objective-C++ 0.6%
Other 1.1%
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Liav A 2f2d808869 LibGfx: Add support for RLE compressed TGA images 
RLE is an old technique being used for decades, as is known as
Run-Length-Encoding, which means that for repeating sequence of bytes,
we keep an indicator for the length of the sequence and only one sample
of it, to save storage space.

GIMP can generate lossless-compressed TGA images, with RLE compression
being used. It means that for a compressed image, the data is no longer
arranged in sequence of pixels, but a sequence of pixel packets.
There are two possible pixel packets:
- RLE packets, which are encoded with one byte for indicating the
  run-length and another one pixel (3 bytes for TrueColor pixel), so
  essentially in runtime, the TGA decoder will use the length to plot
  the same pixel in multiple pixels of the output pixel bitmap.
- Raw packets, which are encoded with one byte as indicator for the
  length of the whole pixel sequence and N-length pixel sequence
  afterwards.
  This is not used for any sort of compression by the TGA format, but
  still needed to be supported for full compatibility with TGA images
  that uses the RLE compression.
2023-01-15 12:43:03 +01:00
.devcontainer Meta: Add libssl-dev as a dependency to the devcontainer 2022-12-16 01:04:11 -07:00
.github Meta: Add GMTA to CODEOWNERS 2023-01-09 07:07:47 -05:00
AK AK: Add String::to_number 2023-01-15 01:00:20 +00:00
Base Tests/LibGfx: Add tests for top-left and bottom-left TGA images 2023-01-15 12:43:03 +01:00
Documentation Documentation: Remove references to the removed NE2000 driver 2023-01-08 21:51:59 +01:00
Kernel Everywhere: Fully qualify IsLvalueReference in TRY() macros 2023-01-15 00:56:31 +00:00
Ladybird LibWebView+Ladybird: Move preferred color scheme to ViewImplementation 2023-01-12 23:39:36 +01:00
Meta LibJS+Everywhere: Rename Value::to_string to to_deprecated_string 2023-01-15 01:00:20 +00:00
Ports Ports: Make sed work on macOS 2023-01-09 22:36:50 +00:00
Tests Tests/LibGfx: Add tests for top-left and bottom-left TGA images 2023-01-15 12:43:03 +01:00
Toolchain Toolchain: Do not use install -D in BuildIt.sh 2023-01-09 19:23:20 -07:00
Userland LibGfx: Add support for RLE compressed TGA images 2023-01-15 12:43:03 +01:00
.clang-format Meta: Switch to clang-format-15 as the standard formatter 2022-12-03 23:52:23 +00:00
.clang-tidy Meta: Disable readability-use-anyofallof clang-tidy check 2022-01-09 23:29:57 -08:00
.editorconfig Meta: Add .editorconfig 2022-09-10 17:32:55 +01:00
.gitattributes Repository: Protect port patches from CRLF/LF normalization 2022-01-12 01:08:38 +01:00
.gitignore Meta: Ignore vim's .exrc config 2022-10-06 16:06:50 +01:00
.mailmap Meta: Add mattco98's full name to mailmap 2022-11-23 17:13:49 +00:00
.pre-commit-config.yaml Meta: Add a post-commit commit message linter hook 2021-05-02 16:28:01 +02:00
.prettierignore LibJS: Handle empty named export 2022-09-02 02:07:37 +01:00
.prettierrc Meta: Move prettier config files to the root of the repository 2020-08-24 18:21:33 +02:00
.ycm_extra_conf.py Meta: Remove i686 references in YCM configuration 2022-12-28 11:53:41 +01:00
azure-pipelines.yml CI: Remove extraneous toolchain job from Azure CI 2022-12-28 15:26:12 -05:00
CMakeLists.txt Meta+CMake: Extract Wasm spec tests into the binary directory 2022-12-14 20:29:43 +03:30
CONTRIBUTING.md Meta: Add Jelle Raaijmakers to list of project maintainers :^) 2023-01-05 00:32:05 +01:00
LICENSE Meta: Update the year range in LICENSE :^) 2023-01-01 09:38:07 +00:00
README.md Meta: Remove i686 target 2022-12-28 11:53:41 +01:00
SECURITY.md Meta: Add a security policy 2022-06-29 03:29:27 +00:00

README.md

SerenityOS

Graphical Unix-like operating system for x86-64 computers.

GitHub Actions Status Azure DevOps Status Fuzzing Status Sonar Cube Static Analysis Discord

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

You can watch videos of the system being developed on YouTube:

FAQ: Frequently Asked Questions

Screenshot

Screenshot as of b36968c.png

Features

  • Modern x86 64-bit kernel with pre-emptive multi-threading
  • Browser with JavaScript, WebAssembly, and more (check the spec compliance for JS, CSS, and WASM)
  • Security features (hardware protections, limited userland capabilities, W^X memory, pledge & unveil, (K)ASLR, OOM-resistance, web-content isolation, state-of-the-art TLS algorithms, ...)
  • System services (WindowServer, LoginServer, AudioServer, WebServer, RequestServer, CrashServer, ...) and modern IPC
  • Good POSIX compatibility (LibC, Shell, syscalls, signals, pseudoterminals, filesystem notifications, standard Unix utilities, ...)
  • POSIX-like virtual file systems (/proc, /dev, /sys, /tmp, ...) and ext2 file system
  • Network stack and applications with support for IPv4, TCP, UDP; DNS, HTTP, Gemini, IMAP, NTP
  • Profiling, debugging and other development tools (Kernel-supported profiling, detailed program analysis with software emulation in UserspaceEmulator, CrashReporter, interactive GUI playground, HexEditor, HackStudio IDE for C++ and more)
  • Libraries for everything from cryptography to OpenGL, audio, JavaScript, GUI, playing chess, ...
  • Support for many common and uncommon file formats (PNG, JPEG, GIF, MP3, WAV, FLAC, ZIP, TAR, PDF, QOI, Gemini, ...)
  • Unified style and design philosophy, flexible theming system, custom (bitmap and vector) fonts
  • Games (Solitaire, Minesweeper, 2048, chess, Conway's Game of Life, ...) and demos (CatDog, Starfield, Eyes, mandelbrot set, WidgetGallery, ...)
  • Every-day GUI programs and utilities (Spreadsheet with JavaScript, TextEditor, Terminal, PixelPaint, various multimedia viewers and players, Mail, Assistant, Calculator, ...)

... and all of the above are right in this repository, no extra dependencies, built from-scratch by us :^)

Additionally, there are over two hundred ports of popular open-source software, including games, compilers, Unix tools, multimedia apps and more.

How do I read the documentation?

Man pages are available online at man.serenityos.org. These pages are generated from the Markdown source files in Base/usr/share/man and updated automatically.

When running SerenityOS you can use man for the terminal interface, or help for the GUI.

Code-related documentation can be found in the documentation folder.

How do I build and run this?

See the SerenityOS build instructions. Serenity runs on Linux, macOS (aarch64 might be a challenge), Windows (with WSL2) and many other *Nixes with hardware or software virtualization.

Get in touch and participate!

Join our Discord server: SerenityOS Discord

Before opening an issue, please see the issue policy.

A general guide for contributing can be found in CONTRIBUTING.md.

Authors

And many more! See here for a full contributor list. The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.