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NEWS
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------------------------------
GNU Image Manipulation Program
Development Branch
------------------------------
This is the unstable branch of GIMP.
Overview of Changes from GIMP 2.99.18 to GIMP 3.0.0-RC1
=======================================================
Core:
- Conversion to Indexed:
* color precision increased;
* error diffusion in linear RGB while keeping palette generation as
CIE Lab.
- GIMP's GEGL operations:
* Posterize operates with a perceptual gamma;
* Threshold: processing with non-linear RGB;
* Hue-Saturation: using HSLA float as processing space which should be
quicker than previous implementation.
- Welcome dialog:
* Multiple images can be selected and opened at once with Enter key.
* "Show on Start" is now displayed specifically in the "Create" tab.
- Non-destructive layer effects:
* can now be applied on group layers;
* cannot be reordered anymore while being edited.
- More GimpRGB code replaced by GeglColor (space invasion).
- New official software logo!
See: https://gitlab.gnome.org/GNOME/gimp-data/-/blob/main/images/logo/README.md
- Internal procedures are not shown as search actions.
- Non-destructive layer effects are copied together with the layer they belong
to.
- Accessibility: if the "Reduced Motion" (or other names for the same
feature depending on OS/desktop) is checked in macOS, Windows, GNOME
or KDE, then the following animations are disabled: animated credits
in About dialog and some easter eggs.
Tools:
- Gradient tool: the "Repeat" mode "Truncate" has been renamed "None
(truncate)" and reordered to be second in the list, just after "None
(extend)".
- Measure tool: guides can now be created off-canvas.
Graphical User Interface:
- New "gimp-effects" icon (used in the Layers dockable for non-destructive
layer effects).
- GimpSpinScale text area height is now reduced to improve usability (it is
now easier to find the area to *grab* the scale vs. area to edit the text;
the cursor changing helping to make out one from the other).
- Some cleanups done with test plug-ins and scripts in menus.
Plug-ins:
- Plug-ins ported to GimpProcedureDialog: Warp, decompose,
file-pdf-save-multi, qbist, file-xmc, file-tiff-load.
- PSD: unsupported layers are not dropped anymore (they will usually show
empty instead).
- Script-Fu:
* "Refresh Scripts" (Filters > Development > Script-Fu) is now hidden. It
was broken and anyway not an ideal design choice.
* New call-with-output-string, call-with-input-string and any->string
functions.
- All "file-*-save" (and "file-*-save-internal) plug-in procedures have been
renamed to "file-*-export" (respectively "file-*-export-internal").
- Ported to GimpVectorLoadProcedure: file-pdf-load, file-ps, file-svg
and file-wmf-load.
- Arguments ported to GimpChoice in the following plug-ins:
file-raw-data, file-jpeg, file-ps, decompose.
- New file-plug-in testing framework. It comes with Gitlab junit reports.
- JPEG XL: half-float import support.
- file-darktable: use the new API which darktable developed from us
since version 4.6 (a new `--gimp` flag on command line). Fallback to
old usage for older versions.
- guides-new: guides can now be created off-canvas.
API:
- Changes in libgimp:
* gimp_procedure_run_config() can run with no config objects (equivalent to
run the prodcedure with default arguments).
* New GimpParamColor type (obsoleting GeglParamColor within GIMP) which has
the additional setting `has_alpha` to advertize whether your plug-in
argument accepts only opaque colors or transparent ones (hence generated
GUI can be set accordingly).
* GimpSaveProcedure renamed to GimpExportProcedure.
* GimpSaveProcedureDialog renamed to GimpExportProcedureDialog.
* GimpExportProcedure does not have "drawables" and "num-drawables"
arguments anymore: after much reflection, these arguments were
mostly confusing and many plug-ins were already just using
gimp_image_list_layers() instead. For future advanced usage which
may come in the future, we will add a `GimpExportOptions` argument
instead.
* gimp_export_image() was simplified by removing the interactive
case (which was already hidden hence unused anyway).
* New GimpVectorLoadProcedure class: to be used specifically for
vector-based formats. It will allow to share a common graphical
interface (through the new GimpVectorLoadProcedureDialog), and
will also allow the core application to know which export
procedure is for a vector format, hence special-casing vector
file handling.
* GimpProcedureDialog: new fill_start() and fill_end() class methods
which are ensured to be run exactly once, unlike fill_list().
* gimp_image_add_(h|v)guide() functions can now creates off-canvas
guides (same as we can in GUI, now).
* GimpChoice arguments can now generate a GimpIntRadioFrame as
alternative widget in a GimpProcedureDialog (combo box is still
the default widget).
* All GIMP_PROC_ARG_*() macros are now proper gimp_procedure_add_*_argument()
functions (same for aux argument and return value macros).
* gimp_procedure_add_*_from_property() functions were removed.
* gimp_procedure_add_argument(), gimp_procedure_add_aux_argument()
and gimp_procedure_add_return_value() were removed from public API.
- Changes in libgimpwidgets:
* GimpColorArea: dropped colors are now passed as GeglColor.
* New functions:
- gimp_prop_choice_radio_frame_new()
- gimp_int_radio_frame_set_title()
- gimp_widget_animation_enabled()
- Changes in libgimpbase:
* GimpRGB and GimpRGB arrays are not supported anymore in the PDB and GIMP
Protocol (only GeglColor and GimpColorArray).
- Changes in libgimpcolor:
* All gimp_rgb_parse_*() functions now become gimp_color_parse_*() functions
(GeglColor based rather than GimpRGB).
* GimpCMYK type and all usage was removed.
Build:
- Minimum dependency version bumps:
* babl 0.1.108
- Started a skeleton for unit testing framework for libgimp (only a few tests
so far but we eventually target exhaustivity).
- CI:
* Main CI jobs are now compiled with Clang, as well as Windows installer and
Nightly Flatpak builds. Some benchmarks run by Øyvind show we can gain a bit
of performance in some situations in babl/GEGL/ctx codepaths, thanks to
better auto-vectorization support.
* x86 (32-bit) cross-build job for Windows removed.
* "packaging" stage merged back with "build" stage.
* "gimp-debian-x64" job now also generates an AppImage for every commit.
* LLD linker now used in Debian and flatpak jobs.
- New gimp-data repository used as a git submodule:
* Various data were moved to gimp-data: icons, cursors, patterns, brushes
and application icon/logo.
* Various files are generated from the source logo: wilber.ico (for Windows
installer), gimp.icns (macOS), desktop application icons for Unix-like
systems, Wilber icons of the "Default" icon theme within the application.
* Splash image and Windows installer's BMP images are generated from the
splash image contributed as XCF.
- Support for .pdb debug symbol files (Visual Studio) was added for
Windows.
- Windows installer: new option to launch GIMP after install.
- Nightly flatpak: HEIC support is now an extension as in our beta
flatpak.
Overview of Changes from GIMP 2.99.16 to GIMP 2.99.18
=====================================================
Core:
- New snapping options:
* "Snap to Bounding Boxes": allows on-canvas snapping to either layer
borders or center.
* "Snap to Equidistance": allows to snap a layer to be at the same distance
from a second one that this second one is to a third one, either
horizontally or vertically.
- GIMP is now able to use fonts with custom styles, which Pango is unable to
work with.
- Font names are not unique anymore, which means that GIMP doesn't rename
identically named fonts with #1 or #2, etc. as it used to do. These fonts
with same name are now properly working despite the name clash.
- GimpData now have a concept of collection, which is either a controlled name
for internal data, or a string constructed from the local file path for
external data. This will be used to serialize data objects hence easily
retrieve the proper data even when some data may have duplicate names.
- New palette import support: SwatchBooker.
- Artificially set PANGOCAIRO_BACKEND=fc when running on Windows to use the
fontconfig backend, which enables anti-aliasing on Windows, unlike the
default pangocairo backend.
- XCF:
* Font information are more accurately stored (not only the font name, but
also storing various other attributes and even a file hash in the ideal
case where the exact same font file is available), allowing to find the
right font (if installed) on load with less errors.
* As a consequence of the previous point, new files with text layers will be
saved as a bumped XCF 19 version.
* Older XCF versions with text layers can still be saved using older XCF
versions as long as the text layers are untouched in an edit session.
- "view-zoom-*" actions are not radio actions anymore.
- Improve thumbnail loading algorithm:
1. If there is a GimpThumbnailProcedure, it is run first.
2. Otherwise we check if a thumbnail is in the metadata.
3. As last resort, we just load the full image.
- Generic inter-process transient window reimplemented using opaque GBytes
window identifiers instead of guint32. The goal is to have windows created
by plug-ins be transient to the calling core image window, but also the
other way around: some core dialogs are generated through PDB calls (in
particular resource and drawable chooser dialogs created by gimp_*_popup()
functions) and should be transient to plug-in dialogs.
This works on X11 and Wayland (the Wayland implementation is new, previous
code was X11-only). It should work on Windows too (code exists) but this was
left disabled as it leads to core process hanging (as described in
https://bugzilla.gnome.org/show_bug.cgi?id=359538) and is pending debugging.
There is no macOS implementation yet, and it seems to be missing from GDK as
well.
- Indexed images' colormap:
* Now possible to delete colors if unused.
- Updates for floating data's actions:
* New actions "edit-paste-float" and "edit-paste-float-in-place" for pasting
the contents of the clipboard as floating data with default positioning
algorithm or in-place respectively;
* renames "select-float" to "select-cut-float" which does a cut and paste as
float in one action;
* adds "select-copy-float" which does a copy and paste as float in one
action;
* reorganize a bit the `Edit > Paste as` submenu with sections for the
floating data variants;
* add a "Float" submenu in "Select" root menu, containing the 2 variant
actions "select-cut-float" and "select-copy-float".
- GEGL operation filters are now non-destructive by default: running these
filters create layer effects. The UI is still basic and will be improved
through iterations after GIMP 3 release.
- FG/BG color action code (e.g. "Increase the red channel") are made
contextual, relatively to the active image, working relatively to the
correct color space and TRC.
- Device Status dockable shows context-sensitive colors (the color profile's
name is displayed as tooltip when hovering a fg/bg color status).
- Palettes are now GeglColor-based and are stored with a lot more precision.
Older low-precision palettes are still loaded fine. A single palette can
contain mixed formats (different models and space). A concept of format
restriction was added, yet is currently only used for indexed images'
palettes (whose colors are always and only in the image's format).
- Color History is now space-invaded (colors are stored in their original
format and space).
- Various color selectors (core or modules) are now space-invaded when
relevant. For instance, they show colors in the active image space (not just
sRGB) and display the profile's name when relevant. Also when simulation is
active, some of the color selectors will update their out-of-gamut zone, not
only to be within the image's gamut, but also the soft-proof gamut.
Graphical User Interface:
- "Merge menu and title bar" option is not shown on macOS as it is not usable
there (the main menu is anyway out of the window from the start).
- Top menu has been special-cased for macOS (some items are removed with
"hidden-when" attribute set to "macos-menubar" value) for items which are
also available in the application menu.
- Menu section can now be named with the "section-name" attribute in
GtkBuilder ".ui" files. This can be used as a replacement of the former
"Placeholder" concept which we used to have (and has now been completely
removed).
Plug-ins or GEGL operations which want to make use of sections can use the
"[Section]" syntax. For instance installing a plug-in in the menu path
"<Image>/File/[Open]" will install the menu item at the end of the Open
section (i.e. after the various other open-file actions at the top of the
File menu).
- Some string or naming consistencies were fixed in source strings.
- GimpContainerEntry don't have inline completion anymore. Instead the result
pop-up always appear, even for one result. This is because a limitation of
GtkEntryCompletion: we cannot remove the case sensitivity search (see
gtk#275) which was very bad usage experience because when we reached a
single result, suddenly nothing happened anymore (no popup, no completion)
if case was different on any letter. It's just better to always have popup
with case insensitivity.
This widget is used for instance for on-canvas font selection.
- Some icons were modified with an added light border to make them better
visible on dark themes: gimp-tool-text icons in Color and Legacy icon themes
and gimp-tool-dodge in Color theme.
- Help menu rearranged to be better organized and also to move "About GIMP" as
the last item, which is its more conventional position.
- Many fixes to the default themes (including several cases of CSS rules
leaking from system themes).
- New settings in Preferences to set the interface base font size (this won't
work as well, or at all, for themes which would set absolute font sizes).
- "gimp-wilber-eek" icon is now reused as generic "image-missing" icon too.
- In dockables' grid view, the hovered icon is now highlighted with a
contrasted border.
- GimpPdbDialog (e.g. resource chooser dialogs) are now set to system defaults
for whether or not they use a header bar.
- Shift+Number-row default shortcuts are now transformed into the actual key
in the currently used layout (reciprocally, if numbers are direct access
key, their counterpart shortcuts are similarly updated).
- Colormap dockable:
* New "Delete" button available and sensitive only when selecting an unused
color in the palette.
- Windows: title bar will be switched to light or dark mode based on the
current theme.
- The quit dialog now adjusts its size relatively to monitor height.
- The heuristic to set a cursor when single or multi-selecting items in a tree
view got reviewed in order to avoid unnecessary scroll. As a general rule,
the cursor is always set to one of the selected elements, ideally the last
clicked element unless it is not selected (e.g. removed with Ctrl-click),
then a closest selected element is chosen to avoid unnecessarily scroll of
the item list.
- Pad buttons can now be configured in the "Input Devices" configuration dialog
to run any actions directly (without mapping shortcut key combinations as
intermediate). This only works on Wayland for the time being (yet may work on
more platforms in the future, depending on GTK evolution).
- Themes can now be proposed with up to 3 variants: dark, light and middle
gray, through gimp-dark.css, gimp-light.css and gimp-gray.css CSS files
respectively.
- As a consequence of the previous point, our Default and Gray themes are
merged as one with 3 possible variants.
- Our Color and Symbolic icon themes are merged as a single icon theme named
"Default".
- The "prefer-symbolic-icons" property which can be set in Preferences is only
used when the selected icon theme has both Color and Symbolic styles.
Otherwise the chosen icon theme style prevails. The presence of a style is
determined by the presence of the "gimp-wilber" icon (which becomes
therefore a de-facto mandatory icon in an icon theme) and/or its symbolic
variant.
- When "Override icon sizes" is checked, a few padding values are also
overridden by code in the loaded CSS.
- As a consequence of the previous point, we removed the "Compact" theme which
is now simply possible by overriding sizes to "Small" in Preferences (when
the theme is "Default", it will display the same as the former "Compact"
theme, though it will also work with any other theme).
- "Darker" theme is removed for lack of contributors actually caring for it.
It could be revived in the future as a "Contrast" theme with both a dark and
light variants at the very least.
- The search function in Layers dockable was moved over the Layers list (with
headers), the "link" icon replaced by "search" icon, and is now available
for both Layers, Channels and Vectors dockables (though unsaved for Vectors
because of lack in XCF support).
- The Welcome dialog was improved and its cases extended:
* A new "Personalize" tab contains duplicate settings taken from the
Preferences, in particular the more controversial settings, such as theme
or icon themes, HiPPI support (icon/font sizing), merged menu and title
bar, tool groups or update check.
* A new "Contribute" tab displays a few of the main links for people to
contribute to GIMP.
* A new "Create" tab proposes buttons to create new images or open existing
ones, as well as displaying a list of the last 8 opened images for easy
re-opening.
* A new checkbox (checked by default) allows the welcome dialog to be shown
at each and every startup. Except on new installations or version updates,
the first shown tab will be the new "Create" tab, which is probably the
most useful for day-to-day first dialog shown at startup (on updates, the
"Welcome" tab featuring the new splash screen and a small welcome text is
shown).
Tools:
- Text tool:
* improve markup creation logic when replacing selected text in
order not to create useless styling markup interfering with other
features.
* Alignment for RTL languages is now more consistent with how it works in
other software (such as LibreOffice or Scribus).
* Text layers can now be rendered in the full image's gamut (not sRGB only
anymore), though colors are trimmed to the gamut and are always 8-bit.
* Text outline colors are now rendered in float in the full image's gamut,
without precision loss.
- Paint tools: all painting tools now have an "Expand Layers" option
allowing to auto-expand layers when painting across layer
boundaries. A few additional sub-options customize how this
expansion happens (by how many pixels, filling with transparency,
color, pattern).
Expansion does not grow over canvas boundaries, unless "Show All" is
checked too.
- Color Picker:
* Picked color is internally kept as a GeglColor, doing only last-minute
conversion to the output model/space, hence with better precision.
* RGB, Grayscale and Pixel modes display the profile name of the output
color space (the active image's color space if relevant).
- The Gradient tool now uses GeglColor internally, though GIMP's gradient
format (GGR) still uses old RGB format.
Plug-ins:
- Farbfeld: new image format import/export support.
- OpenEXR:
* Files with single channels are always treated as grayscale, even when
they use non-conventional channel names. A notice message is also
presented to the user in a dialog for information.
- Metadata Editor:
* Various code cleanups and improvements;
* GUI improvements;
* Xmp.plus.ImageSupplierName can now only have one value;
* Improved Creation date handling;
* Synchronization (both for reading and writing) added between some Exif,
Xmp and Iptc equivalent tags. On reading, when equivalent tags have
different values at load, a terminal warning is now outputted.
- Script-fu:
* Generated dialog's titles are not prefixed with "Script-Fu: " anymore.
* Several scripts were removed and moved to gimp-data-extras: erase-rows,
grid-system, select-to-brush, select-to-image, select-to-pattern.
* script-fu-copy-visible was removed (and not moved to gimp-data-extras).
* New test scripts.
- New gimp-help-main script to link to the "Table of Contents" of the manual,
added to the "Help > User Manual" submenu.
- PSP:
* added support to load PSP ICC Profile data.
* fixed vulnerabilities: ZDI-CAN-22096, ZDI-CAN-22097.
* load active selection from PSP file.
* Load guides and grid info.
- Image Map: two new fields to the HTML Link tab and one new field to the
Javascript tab for area properties:
* accesskey: The same as the mnemonic key shortcuts in GTK, to activate an
area of the image map. Depending on the OS, you either hold ALT or
ALT+SHIFT and this key.
* tabindex: What order to select the area when the user presses Tab.
* onClick: Run a Javascript function when the user clicks on the area.
- Esm Software PIX: new import support.
- All plug-ins were ported to the new Gimp*Procedure API using
GimpProcedureConfig instead of GimpValueArray arguments.
- Add Border (script-fu): add a 'Allow resizing' toggle.
- Plug-ins ported to GimpProcedureDialog: van-gogh-lic, dds-write, flame,
histogram-export, lighting, fractal-explorer, map-object, sample-colorize,
compose, curve-bend, depth-merge, selection-to-path, pagecurl, file-cel,
file-svg, file-wmf, smooth-palette, small-tile, film, gradient-flare, tile,
web-page, screenshot.
- JPEG-XL:
* Load metadata via libjxl exclusively.
* Disable GIMP EXIF orientation support, using orientation stored in
codestream instead.
- HEIF:
* Load metadata via libheif exclusively.
* Disable GIMP EXIF orientation support.
- PDF:
* "Layers as Pages" works now for a single layer group with multiple
sub-layers.
- DDS:
* Add support for loading DDS 16- and 32-bit per channel RGBA. Loading is
supported for 16-bit half float, 32-bit float, 16 and 32-bit unsigned and
signed int.
This supports both the DX10 formats and the D3D FOURCC versions.
16- and 32-bit per channel images with less than 4 channels are not yet
supported.
* Add DDS support for loading R8G8, R16 and R16G16 formats.
GIMP can load DXGI variants as well as the older D3DF versions, including
handling of the signed versions.
We also set signed when the pixelformat flag DDPF_BUMPDUDV is set.
* New option to vertically flip dds image on import. This is needed by some
game engines.
* All mipmap generation is done at 32-bit floating-point precision.
* A new cubic filter has also been added (Catmull-Rom) which
rounds-out the existing lineup of cubic filters.
* Better handling of DX10+ files in ddsread.
* Always interpret BC1 cutout pixels as black pixels with 0 alpha,
per the official format specification.
* Import code was rewritten and improved for maintainability and
readability. Importer now supports nearly all non-video
uncompressed formats.
- GIF:
* Remember when a file was stored as a GIF animation to be reused when
overwriting.
- PNG:
* Import/export safe-to-copy PNG chunks.
- HEJ2: new import support. HEJ2 is JPEG 2000 image coded images in HEIF
containers.
- PSD: better wording of the export warning for the path of less surprise.
- Python Console uses theme colors for font colors instead of hardcoded
colors which don't work well on darker themes.
Data:
- Clarified our capitalization rule for data titles: part of titles
inside parentheses also follow title casing.
- "(Hardedge)" generated gradients got renamed "(Hard Edge)".
Translations:
- Many non-translatable strings were made translatable. Various other
localization bugs were handled.
- New Belarusian translation in the Windows installer.
API:
- Changes in libgimpconfig:
* GimpConfig serialization doesn't break anymore if one property
serialization fails. GIMP will now continue to serialize the rest. In
particular, it will allow to retrieve as many arguments as possible
between plug-in runs.
* GBytes (de)serialization support added. It supports gracefully a NULL
GBytes value.
* GeglColor (de)serialization support added. Former GimpRGB properties can
be gracefully converted to GeglColor properties when needed (e.g. to be
able to convert old property or resource files, containing GimpRGB values,
to newer GeglColor).
- Changes in libgimp:
* GimpResource can now be (de)serialized using the data name and collection
so that we are now able to retrieve a used resource quite reliably between
runs.
* For GimpProcedure with no run-mode parameter, the run-mode is considered
non-interactive (e.g. for decision algorithm about whether to reuse
previous settings or not).
* Arguments of type GimpResource and its subtypes are now supported and
GimpProcedureDialog will generate appropriate chooser widgets.
* Arguments of type GimpLayer and GimpChannel will have a proper widget
generated (GimpDrawableChooser) by GimpProcedureDialog, limited to only
the proper drawable subtype.
* All GimpProcedure and its subtypes now have a run() method using a
GimpConfig instead of a GimpValueArray. In particular, the type of the run
argument changed in gimp_procedure_new(), gimp_batch_procedure_new(),
gimp_image_procedure_new(), gimp_load_procedure_new(),
gimp_save_procedure_new() and gimp_thumbnail_procedure_new().
The following 2 run function types had further evolutions:
+ GimpRunLoadFunc: by default, a GimpLoadProcedure will try and load
metadata from a file (if Exiv2 knows the format). The run() function
will be allowed to edit the GimpMetadata object but also the load flags
before it is actually attached to the image, allowing plug-ins to have
custom metadata handling code when needed.
+ GimpRunSaveFunc: metadata handling is integrated in this new version of
the API, since the run() function will pass a prepared metadata object,
which can be modified by plug-in code (if needed). This GimpMetadata
object will be stored automatically by the GimpSaveProcedure
infrastructure if the mimetype argument is set in
gimp_save_procedure_new().
* On plug-in exit, we do not display memory reference hold warnings for Lua,
Javascript and Python plug-ins anymore. The GObject-Introspection bindings
for these languages seem to hold references of their own in some
conditions and anyway plug-in developers don't have any memory management
capabilities available in the chosen languages. It's not like they can do
anything.
* New functions:
+ gimp_procedure_dialog_set_sensitive_if_in()
+ gimp_procedure_dialog_set_ok_label()
+ gimp_procedure_dialog_fill_notebook()
+ gimp_procedure_dialog_fill_notebook_list()
+ gimp_procedure_dialog_fill_paned()
+ gimp_procedure_config_get_choice_id()
+ gimp_prop_brush_chooser_new()
+ gimp_prop_font_chooser_new()
+ gimp_prop_gradient_chooser_new()
+ gimp_prop_palette_chooser_new()
+ gimp_prop_pattern_chooser_new()
+ gimp_resource_select_button_get_label()
+ gimp_pattern_get_buffer()
+ gimp_drawables_close_popup()
+ gimp_drawables_popup()
+ gimp_drawables_set_popup()
+ gimp_prop_drawable_chooser_new()
+ gimp_font_get_pango_font_description()
+ gimp_fonts_get_by_name()
+ gimp_image_get_palette()
+ gimp_procedure_run_config()
+ gimp_procedure_run_valist()
+ gimp_procedure_dialog_get_drawable_preview()
* Removed functions:
+ gimp_procedure_config_begin_run()
+ gimp_procedure_config_end_run()
+ gimp_procedure_config_begin_export()
+ gimp_procedure_config_end_export()
+ gimp_procedure_config_get_values()
+ gimp_procedure_config_set_values()
+ gimp_pdb_run_procedure_argv()
+ gimp_pdb_run_procedure()
+ gimp_pdb_run_procedure_valist()
+ gimp_pdb_run_procedure_array()
+ gimp_pdb_run_procedure_config()
+ gimp_procedure_new_arguments()
+ gimp_pdb_set_data() a.k.a. gimp_set_data()
+ gimp_pdb_get_data() a.k.a. gimp_get_data()
+ gimp_pdb_get_data_size() a.k.a. gimp_get_data_size()
* Modified functions:
+ gimp_procedure_dialog_get_label():
1. Added `is_markup` and `with_mnemonic` boolean arguments.
2. `label_id` argument can be a string property to sync to, or a new
widget ID to create, using `text` as initialization contents.
+ gimp_label_spin_set_increments(): made more generic and robust to handle
integer spin or modifiable min/max.
+ gimp_param_spec_get_desc():
- Also handles new GimpChoice arguments by listing all valid string
values for a given argument.
- Returned string is now pango-markup formatted.
+ gimp_display_get_window_handle() and gimp_progress_get_window_handle():
the return value is now an opaque GBytes which is to be interpreted
differently depending on the running platform.
+ All gimp_*_popup() functions now have a `parent_window` argument which
is the opaque window handle of the calling plug-in dialog, such as can
be returned by gimp_dialog_get_native_handle().
+ gimp_brush_get_pixels() replaced by gimp_brush_get_buffer() and
gimp_brush_get_mask().
+ gimp_text_layer_set_font() now uses a GimpFont.
+ gimp_text_layer_get_font() now returns a GimpFont.
+ gimp_text_layer_new() now uses a GimpFont.
+ gimp_text_fontname() renamed gimp_text_font().
+ gimp_text_get_extents_fontname() renamed gimp_text_get_extents_font().
+ gimp_ui_init() now implies a gegl_init().
+ gimp_procedure_run() now uses a variable argument list of (name, value)
pairs.
* New classes:
+ GimpPickableSelect
+ GimpDrawableChooser
* Modified classes or structure:
+ GimpProgress:
- GimpProgressVtableGetWindowFunc function type now returns GBytes.
- get_window() abstract method is renamed get_window_handle().
+ GimpResourceSelectButton:
- Class made abstract.
- It now has a label which is used in the size group in
GimpProcedureDialog.
+ GimpBrushSelectButton: big UX improvements.
+ GimpPatternSelectButton: big UX improvements.
+ All Gimp*SelectButton widgets were renamed to Gimp*Chooser.
* New GimpProcedure argument types:
+ GimpChoice: this will replace cases when we used to use int arguments to
represent custom enum types, which was particularly non-usable when the
list of valid choices was long and the string docs was not kept
up-to-date.
It comes with GIMP_PROC_ARG_CHOICE(), GIMP_PROC_AUX_ARG_CHOICE(),
GIMP_PROC_VAL_CHOICE(), GIMP_VALUES_GET_CHOICE() and
GIMP_VALUES_SET_CHOICE() macros.
The advantages of this new type:
- No need to keep the list of valid choices up-to-date anymore within
the docs string.
- Since the docs string doesn't contain long list of arguments, we don't
have long opaque and non-understandable tooltips assigned to graphical
interface widgets.
- Calling a PDB procedure with a human-readable string is much more
understandable than with an opaque int.
- This type handles invalid input for generic error handling.
- We can easily generate a list of the valid string values. E.g. this is
now used in the Procedure Browser through gimp_param_spec_get_desc().
- Choices can be made insensitive if needed.
- A proper widget (GimpStringComboBox) will be generated by
GimpProcedureDialog by default.
* PDB: the big change in the PDB is that we decided not to warrant argument
orders anymore. In particular, it means that the libgimp functions to run
PDB procedures are not based on an ordered array of arguments anymore but
on named arguments only.
+ The first consequence is that it will be possible to add arguments, and
even order them however we want in the list of arguments. For
backward-compatibility, what will matter is only that the procedure
using the default values for the new arguments will behave the same way
it did when it used not to have said arguments. Then scripts won't break
as we add new arguments and we won't have to create alternative v2 or v3
PDB procedures each time we wish to add a new feature.
+ The second consequence is that calling PDB procedures is now much more
semantic. Firstly we can ignore arguments for which we keep the default
values; secondly every argument will be accompanied by a name instead of
being a long list of int or boolean values.
Typically while we used to call a PDB like this:
```C
gimp_pdb_run_procedure (gimp_get_pdb (),
"file-png-save",
GIMP_TYPE_RUN_MODE, GIMP_RUN_NONINTERACTIVE,
GIMP_TYPE_IMAGE, image,
G_TYPE_INT, 1,
GIMP_TYPE_OBJECT_ARRAY, args,
G_TYPE_FILE, file,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_INT, 9,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_BOOLEAN, FALSE,
G_TYPE_NONE);
```
We can now call it like this (with a shorter list of arguments, ignoring
all the ones which we keep default, not bothering about arg order and
tagging each arg with a semantic name):
```C
gimp_procedure_run (gimp_pdb_lookup_procedure (gimp_get_pdb (),
"file-png-save"),
"run-mode", GIMP_RUN_NONINTERACTIVE,
"image", image,
"num-drawables", 1,
"drawables", drawables,
"file", file,
"bkgd", FALSE,
"phys", FALSE,
"time", FALSE,
NULL);
```
+ The few libgimp functions of the form `gimp_pdb_run_procedure*()` were
removed and moved directly to `gimp_procedure_run*()` variant. The
presence of both interfaces was making it confusing.
+ For bindings not able to replicate variable arguments functions, the
bindable function will be gimp_procedure_run_config() only, which will
be renamed to gimp_procedure_run() in bindings.
+ Note that internally the argument order is still relevant for any system
which interfaces directly with the PDB instead of libgimp. In other
words, it is still relevant for script-fu which generates functions out
of PDB procedures directly (not libgimp).
+ GimpObjectArray arguments now allow NULL through the pipe as meaning an
empty array.
- Changes in libgimpbase:
* New classes:
+ GimpChoice: meant to represent a list of allowed strings values.
* GimpRotationType values were changed by prepending "DEGREES" without
hyphen before the numeric value (e.g.: GIMP_ROTATE_90 becomes
GIMP_ROTATE_DEGREES90), because the older naming breaks introspection for
some languages, such as Python where Gimp.RotationType.90 syntax would be
forbidden.
* GIMP Protocol can now exchange GeglColor values across the wire.
- Changes in libgimpwidgets:
* New functions:
+ gimp_widget_set_native_handle()
+ gimp_dialog_get_native_handle()
+ gimp_preview_area_reset()
+ gimp_cairo_set_source_color()
+ gimp_color_selection_set_format()
* New classes:
+ GimpLabelStringWidget: makes any widget with a "value" string property
into a GimpLabeled.
* Modified classes:
+ GimpStringComboBox:
- add a "value" string property to GimpStringComboBox (which makes it
usable by GimpLabelStringWidget).
- New method gimp_string_combo_box_set_sensitivity()
* Several widgets are now space-invaded, using GeglColor instead of GimpRGB:
+ GimpColorArea
+ GimpColorScale
+ GimpColorScales
+ GimpColorSelect
+ GimpLabelColor
+ GimpPreviewArea
+ GimpColorButton
+ GimpColorHexEntry
+ GimpColorSelection
+ GimpColorNotebook
+ GimpColorSelect
+ GimpColorSelector
+ GimpColorNotebook
- Changes in libgimpui:
* Modified functions:
+ gimp_window_set_transient_for_display() and gimp_window_set_transient()
now use an internal implementation similar to core
gimp_window_set_transient_for(), with the same improvements (works even
at construction when the window is not visible yet + works for Wayland
too).
* Removed functions:
- gimp_ui_get_progress_window()
- gimp_ui_get_display_window()
- Changes in libgimpcolor:
* New functions:
+ gimp_color_set_alpha()
+ gimp_color_is_perceptually_identical()
+ gimp_color_is_out_of_gamut()
+ gimp_color_is_out_of_self_gamut()
+ gimp_color_parse_hex()
+ gimp_color_parse_name()
Build:
- Windows 10 becomes the new minimal support for the 3.0 stable series on
Windows. This bump happens because of end-of-support by Microsoft itself,
and also by MSYS2 project which is our base for the official installers.
- CI now generates babl and GEGL API reference HTML as artifact tarballs.
- New meson options -Dfits and -Dopenmp to enable/disable respectively FITS or
OpenMP support more explicitly (allowing to bypass auto-detection).
- Pango 1.50 or higher is now required as a result of using
pango_attribute_as_font_desc(). Also pango, pangocairo and pangoft2 now use
the same minimum version requirement.
- New Aarch64/Windows build jobs in CI.
- The universal Windows installer generated by the CI now detects and installs
a native Aarch64 build on ARM 64-bit architecture.
- Meson: alternatively to luajit, we now search also lua5.1, then 5.2 and 5.3
(5.1 first, because apart luajit, it is the only one with lua-lgi support in
MSYS2 right now).
- CI: unify jobs naming and order.
- Windows builds: various cleanups, code factorization and more.
- Windows installer: the desktop shortcut option is now checked by default
because of the fact too many people could not find GIMP after installation.
- New .vscode/ config folder for Visual Studio Code settings to follow our
coding style.
- 'gegl.exe' binary is now installed by the Windows installer.
- Minimum libheif requirement bumped: libheif >= 1.15.1.
- GEGL requirement bumped to GEGL 0.4.48.
Overview of Changes from GIMP 2.99.14 to GIMP 2.99.16
=====================================================
Core:
- "Anchor" tooltip changing depending on whether we are floating over a layer
or layer mask.
- GIMP_TIMER_START|END are no-op on release builds.
- Ctrl-F overridden in our item dockables to trigger our item search popover
(multi-item selection, ability to use regexp or glob search by enabling these
in Preferences, etc.) rather than the default GTK selection popup for tree
views.
- All code is now multi-item aware (even though it might mean specifically
forbidding using some features on multiple items).
- Better support of non-ASCII characters in paths on Windows and other fixes
for Windows: API un-deprecation, unicode variants of functions…
- Copy|Cut-Paste code reworked further.
- Action "Crop to Selection" renamed to "Resize Layers to Selection".
- Action "Crop to Content" renamed to "Crop Layers to Content".
- If any opened image (with a display) is dirty, then GIMP will now inhibit the
log-out event on OSes which support it.
- Port from GtkAction/GtkUIManager to GAction/GMenu finished.
- The action search now shows the top menu path for actions when available.
- Actions can now be attributed multiple shortcuts. The duplicate actions
ending in `-accel` were removed in favor of multiple shortcuts and a few
secondary (semantic) shortcuts were added such as `Copy`/`Cut`/`Paste`
buttons for relevant actions, or `ZoomIn`/`ZoomOut` for canvas zoom,
`Forward`/`Back` to navigate through image tabs, but also some numpad
shortcuts like the `/` divide from the numpad for the action search
(additionally to the base keyboard `/` key).
It is not possible to attribute several shortcuts from GUI yet.
- An action is automatically generated for all GEGL operations which would
normally appear in the GEGL Operation tool. This includes in particular
third-party GEGL operations which might be user-installed. It makes these
filters also searchable in the action search, usable in menus and shortcuts
can be assigned as well.
- If present, the GEGL key "gimp:menu-label" will be used to set the short
label of the generated action (short labels are typically used in menus since
the menu path can serve as context). Otherwise the "title" with appended
"..." is used.
- GimpAction now have a concept of short vs. long labels, which can be used in
different places. In particular, in action search, we usually want the long
label, whereas in menus, we usually want the short label as we have context
(though the latter can be tweaked by a custom "label-variant" attribute in
.ui files).
- New "Middle Gray (CIELAB)" fill option (new image or new layer).
- Stroke Selection: "Line" and "Paint tool" styles are now in a stack
switcher instead of radio buttons. More advanced options are not "hidden"
anymore in a foldable widget.
- New grayscale color picking mode.
- .aco palettes are now imported with babl. As a result, it is now possible to
import CIE Lab palettes (colorspace 7)
- Action search now displays a "help" icon which can be clicked to show the
currently selected action's manual page (or the action search manual page if
no actions are selected). Alternatively the F1 shortcut will do the same.
- Basic matrix operations code was optimized.
- Fill/Stroke Path/Selection split the "Solid color" option into a "Foreground
color" and "Background color".
- Standardize to "X-bit" wording (e.g. "32-bit floating point" rather "32 bit
floating point").
Tools:
- GEGL Operation: auto-activate when enabled.
- Transform tools and GEGL operation don't auto-activate when opening a new
image or changing the active image.
- Align tool: "use extents of layer contents" also applies to the alignment
reference (not only the target objects).
- Color picker: pick in the image's RGB space.
- Text tool: new tool option "Show on-canvas editor" to toggle the visibility
of the on-canvas dialog.
- Unified Transform tool: the transform matrix is now selectable in the
on-canvas dialog (for instance to be easily re-usable in other software).
Graphical User Interface:
- Default, Compact and Gray themes now display a three-dot handle to paned
separators to improve accessibility and discoverability of the drag ability.
- The paned separator width is also increased a bit for accessibility (though
the Compact theme keeps a smaller separator width).
- Consistently use "Soft-proofing" wording instead of "Softproofing" or "Soft
proofing"
- The "GEGL Operation…" item was moved out of the "Filters > Generic" menu and
into the "Tools" menu.
- If present, the GEGL key "gimp:menu-path" will now be used by GIMP to create
a menu item for an operation in a given menu path.
- Default theme is less dark and the previous Default theme is renamed
"Darker".
- "Default" theme does not use smaller font size (than system theme) anymore;
but the "Compact" theme now does.
- New option "Merge menu and title bar" in Preferences > Image Windows: this
is basically an option to switch to Client Side Decoration for the image
windows (menu will be inside the title bar). It is OFF by default.
Actions:
- "tools-rotate-arbitrary" and "tools-rotate-image-arbitrary" are now disabled
when no image is opened.
Plug-ins:
- JPEG-XL:
* Initial support for CMYK/A JPEGXL export: Key and Alpha data is saved in
extra channels, and the simulation profile is saved as well.
Per the specification developers, the format does not support 'naive' CMYK
conversion, so a profile is required for export. The option will be
disabled if not set.
* Support libjxl 0.9: some API were removed which would have broken
the plug-in build. Now it should work both with old and new
version.
- Script-fu:
* Byte support: add a new type 'byte' to be able to handle binary data while
still retaining the utf8 char and string behavior.
* Enum values are now generated from GIR.
- Script-fu console: command history now persists across GIMP sessions.
- PSD:
* PSD clipping paths: import and export support.
* Unsupported features are now listed in a dialog on import.
* Add compatibility notice on export: some people have noted that legacy
layer modes have better compatibility when exporting PSDs and reopening
them in Photoshop.
* New "file-psd-load-metadata" procedure to be used by other plug-ins in
order to load Photoshop-format metadata. Some formats in particular allow
PSD style metadata (e.g. see TIFF and JPEG).
- TIFF:
* PSD metadata (both in image or layer level) can now be loaded by calling
the new "file-psd-load-metadata" PDB procedure.
* IBM PC Formatted TIFF layers are now supported on import.
- JPEG:
* PSD metadata (image level only, e.g. paths) can now be loaded by calling
the new "file-psd-load-metadata" PDB procedure.
* Clipping path import added.
* Option "4:2:2 horizontal (chroma halved)" renamed to "4:2:2 (chroma halved
horizontally)" and "4:2:2 vertical (chroma halved)" renamed to "4:4:0
(chroma halved vertically)". Research indicates it to be the most usual
notation for these options.
- DDS:
* OpenMP support enabled when available on the build machine.
- All Python 3 plug-ins whose Python 2 variants used to have a GUI now also
have one.
- Script "Predator" removed.
- PAM: import and export (formats: GRAYSCALE, GRAYSCALE_ALPHA, RGB, RGB_ALPHA)
support added. PAM files are essentially PPM files with a different header
format and alpha/16 bit support.
- GIF:
* Load error message handling improved.
* Keep GIF's full palette on import (sometimes needed for consistency when
used in a specific pipeline, e.g. a videogame engine with fixed palette).
- PCX:
* new radio option "override-palette" to override PCX 1 bit palette.
* 8bpp with 4 planes in PCX/DC import support added (we were only supporting
3 planes).
- QOI: new format support (import and export).
- Amiga IFF/ILBM: initial support for importing indexed ILBM, Amiga PBM, and
ACBM images.
- DCX: new import support (DCX files are containers that store up to 1023 PCX
files).
- Plug-ins ported to GAction: animation-play, colormap-remap, ifs-compose,
gfig, ImageMap.
- Plug-ins ported to GimpProcedureConfig and GimpProcedureDialog:
align-layers, hot, wavelet-decompose, file-sunras, file-heif, file-tga,
file-pat, file-xpm, file-csource, file-jp2-load, file-dds (import),
file-sgi, file-fli, file-pnm, file-gbr, file-psp, file-aa, bmp-save,
despeckle, blinds, contrast-retinex, jigsaw, nl-filter, destripe, file-mng,
file-html-table, file-xbm, file-pdf-load, file-gif-save, file-ps,
border-average, mail, checkerboard.
- metadata-viewer and metadata-editor: graphical interfaces are not built from
GtkBuilder .ui files anymore. These were the last instances of using this
format (except for our new menus!) for creating full GUIs as we don't want
to go this way anymore!
- FITS:
* Ported to cfitsio library for loading/exporting. This allows us to
import compressed FITS files (GZIP, HCOMP, PLIO, RICE) in 8/16/32
bit and float/double precision.
* As a result of the port, this plug-in is now optional.
- ILBM: "Hold and Modify" (HAM) mode use control bits to increase the
palette beyond what's stored in the CMAP chunk. We now check if HAM
mode is set and then interprets the plane bits accordingly.
API:
- Changes in libgimpwidgets:
* New functions:
+ gimp_int_store_new_array(): variant of gimp_int_store_new() which will
work in bindings.
+ gimp_spin_scale_get_mnemonic_keyval()
* Improved annotations or usage:
+ gimp_procedure_dialog_get_spin_scale(): factor must be 1.0 for integer
properties.
- Changes in libgimp:
* New classes:
+ GimpResource: with unique int ID, instead of data name. Actual data will
be one of the following subclasses:
+ GimpBrush
+ GimpFont
+ GimpGradient
+ GimpPalette
+ GimpPattern
* New functions:
+ gimp_procedure_dialog_fill_scrolled_window()
+ gimp_procedure_dialog_get_size_entry()
* Improved annotations or usage:
+ set_i18n() method of GimpPlugIn expects a UTF-8 catalog directory.
+ clarify gimp_image_set_file() usage (only for XCF files).
+ gimp_image_add_sample_point()
+ gimp_image_get_sample_point_position()
- Changes in libgimpbase:
* New functions:
+ gimp_bind_text_domain()
+ gimp_value_array_copy()
* Improved annotations or usage:
+ gimp_locale_directory() returns a string in the OS encoding for all but
Windows (UTF-8), i.e. GLib "filename" encoding.
+ Metadata "Exif.Image.ImageResources" and "Exif.Image.0x935c" are not
exported anymore. These are specific to Photoshop, and while we cannot
modify them, they can contain sensitive information (e.g. a thumbnail).
+ Exif.Photo.PixelXDimension and Exif.Photo.PixelYDimension metadata tags
will now be updated (if they already exist in the image) when resizing
and exporting.
- Changes in libgimpconfig:
GStrv config properties are now properly serialized and deserialized for use
as plug-ins arguments.
* New functions:
+ gimp_config_serialize_strv()
+ gimp_config_deserialize_strv()
- PDB:
* Remove GimpUint8Array in favor of GBytes.
Build: