mirror of https://github.com/GNOME/gimp.git
128 lines
5.8 KiB
Plaintext
128 lines
5.8 KiB
Plaintext
------------------------------
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GNU Image Manipulation Program
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Development Branch
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------------------------------
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This is the unstable branch of GIMP.
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Overview of Changes from GIMP 2.10.x to GIMP 2.99.2
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===================================================
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Core:
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- Improved "space invasion".
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- New extension format support (.gex a.k.a. GIMP Extension) which is
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an archive containing various supported data. So far, it can
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package: brushes, MyPaint brushes, dynamics, patterns, gradients,
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palettes, tool presets, plug-ins, splash images and themes.
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- New extension manager allowing to enable, disable or uninstall
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installed extensions, with a dialog available in `Edit > Manage
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Extensions`.
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- Multi selection of layers now possible. Various tools and features
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are now multi-selection aware.
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- XCF format bumped to version 14 with awareness of multiple layer
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selection.
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- All code is year-2038-safe with deprecated time API replaced.
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- "Alpha to Selection" various actions warn when the result selection
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is empty.
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User Interface:
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- Whole interface ported to GTK+3:
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* Proper HiDPI support, which will follow the system's scale factor
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for all widgets. This is a core toolkit support, unlike the basic
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better-than-nothing hacks from GIMP 2.10.x.
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* GTK+3 CSS-like support. All themes for former versions are
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therefore not working anymore.
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* GTK+3 themes have the concept of "dark variant", so a same theme
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may propose both a light and a dark versions. Preference for dark
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variants can now be checked in `Preferences > Themes > Use dark
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theme variant if available` checkbox, allowing for instance to use
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your system theme in its light variant everywhere except in GIMP.
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This option is checked by default as graphics software are often
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prefered in dark modes.
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* Symbolic icon themes are now recolored automatically according to
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the theme colors (no theme and icon theme tweaking anymore to end
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up with dark on dark or light on light interfaces), except for
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color elements whose SVG style is marked as "!important".
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* Native Wayland support.
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* Various dialogs now use Client-Side decorations and modern GTK+
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widgets are being used when relevant.
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- Image display rendered faster with a render cache that keeps the
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result of scaling, color management, display filters and shell mask
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(for tools like fuzzy select).
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- Shift-click on layer GimpContainerTreeView (typically the Layers
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dockable) allows to expand/collapse all item groups but the clicked
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one.
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- Compact GimpSpinScale is now the only available version.
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Devices:
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- Device hotplug supported (thanks to GTK+3). In particular:
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* you don't need to have your tablets and other devices plugged
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before you start GIMP anymore;
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* enabling your devices in the "Configure Input Devices" dialog is
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not needed anymore. Tablets will work out-of-the box;
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* you can safely unplug and replug the same or other input devices
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while GIMP is running.
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Plug-ins:
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- Major rewrite of the API. So GIMP 2.10.x plug-ins and below must be
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ported to the new API.
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- Various objects are now proper GObject in the plug-in API, and not
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just ID integers.
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- The API is GObject Introspected, which means plug-ins can be written
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in various non-C languages. So far the following languages have been
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tested and work well: Python 3, Lua, Javascript and Vala.
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(Note: Python 2 is also still working, but considering that this
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language is end-of-life since 2020, we don't really care).
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- Every introspected binding which we test comes with a "Goat
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Exercise", which is a demo plug-in popping a dialog and showing its
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own source code. It processes a simple "gegl:invert" operation on a
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drawable. All "Goat Exercises" must do the same thing in the same
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way, simply in their respective languages, as documentation/example
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code for a language binding.
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- Plug-ins must be installed in their own subdirectory in
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`$XDG_CONFIG_HOME/GIMP/2.99/plug-ins/`, thus preventing data mess
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(with plug-ins coming with data and installing it all in the root
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plug-ins/ directory) and DLL hell. The main plug-in executable must
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be named the same as the directory (possibly with an added
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extension).
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E.g.: `plug-ins/my-cool-plug-in/my-cool-plug-in.py`
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Documentation:
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- `devel-docs/xcf.txt` updated to handle XCF 14.
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Build:
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- New meson build system. Still deemed "experimental" for the time
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being. Packagers are recommended to continue using the autotools
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build system in order to avoid specific bugs.
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- Continuous integration in Gitlab with:
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- an autotools build with GCC on a Debian/testing runner
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- a meson build with GCC on a Debian/testing runner
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- a meson build with Clang on a Debian/testing runner
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- a meson cross-build with Mingw-w64 for Windows 32-bit
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- a meson cross-build with Mingw-w64 for Windows 64-bit
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- static code analysis with cppcheck
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Known blocker issues:
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- GTK+3 port is functional but not complete as some deprecated APIs
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are still being used.
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- Space invasion is still a work-in-progress.
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- Plug-ins API update is still a work-in-progress.
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- GIMP extensions are still a work-in-progress.
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- Multiple layer selection is still work-in-progress. Some issues are
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expected, and possibly even some crashes in code paths which were
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not updated yet.
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- No custom theme yet, in particular we want a neutral gray theme with
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light/dark variants, and a middle-gray theme too.
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- We probably want to revive a "Small" theme as well with smaller
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icons (useful on smaller displays, or mid-high density displays or
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simply depending on tastes).
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- Various blocking bugs happen on Wayland only.
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