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IFF was a generic container fileformat that was popular on the Amiga since it was the only file format supported by Deluxe Paint. ILBM is an image format popular in the late eighties/nineties that uses the IFF container. This is a very first version of the decoder that only supports (byterun) compressed files with bpp <= 8. Only the minimal chunks are decoded: CMAP, BODY, BMHD. I am planning to add support for the following variants: - EHB (32 colours + lighter 32 colours) - HAM6 / HAM8 (special mode that allowed to display the whole Amiga 4096 colours / 262 144 colours palette) - TrueColor (24bit) Things that could be fun to do: - Still images could be animated using color cycle information |
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| README.md | ||
gn build for SerenityOS and Ladybird
Warning! The GN build is experimental and best-effort. It might not work, and if you use it you're expected to feel comfortable to unbreak it if necessary. Serenity's official build system is CMake, if in doubt use that. If you add files, you're expected to update the CMake build but you don't need to update GN build files. Reviewers should not ask authors to update GN build files. Keeping the GN build files up-to-date is on the people who use the GN build.
GN is a metabuild system. It always creates ninja files, but it can create some IDE projects (MSVC, Xcode, ...) which then shell out to ninja for the actual build.
This is a good overview of GN.
For more information, motivation, philosophy, and inspriation, see the LLVM documentation on its GN build
Typical gn args
On macOS, the default args should work out of the box. For compiling Ladybird there won't be any tailoring needed if you have Qt6 installed via homebrew and the Xcode tools installed.
On Ubuntu, it's likely that the default cc and cxx will not be able to compile the project. For compiling Ladybird, a typical args.gn might look like the below:
args.gn
# Set build arguments here. See `gn help buildargs`.
# Chosen clang must be >= version 15.0.0
host_cc="clang"
host_cxx="clang++"
is_clang=true
use_lld=true
qt_install_headers="/usr/include/x86_64-linux-gnu/qt6/"
qt_install_lib="/usr/lib/x86_64-linux-gnu"
qt_install_libexec="/usr/lib/qt6/libexec/"
As with any gn project, gn args <build dir> --list is your best friend.