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Alt 12.12.2017, 23:50   #1
Wilber
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Standard [GIMP News] - GIMP 2.9.8█Released

Newly released GIMP 2.9.8 introduces on-canvas gradient editing and variousenhancements while focusing on bugfixing and stability. For a complete list ofchanges please see NEWS.

On-Canvas Gradient Editing¶

One of the most user-visible changes in 2.9.8 is the updated Blend tool.Here’s what’s new about it.

First of all, it pretty much eliminates the need for the old Gradient Editordialog, as all of the dialog’s features are now available directly on thecanvas. You can create and delete color stops, select and shift them, assigncolors to color stops, change blending and coloring for segments between colorstops, create new color stops from midpoints.

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Secondly, default gradients are now “editable”. As you probably know, thereason most resources such as brushes, painting dynamics, and gradients are notdireclty editable is that they are typically installed into a system directorywhere non-privileged user can’t make any changes.

Now when you try to change an existing gradient from a system folder, GIMP willcreate a copy of it, call it a Custom Gradient and preserve it acrosssessions. Unless, of course, you edit another ‘system’ gradient, in which caseit will become the new custom gradient.

Since this feature is useful for more than just gradients, it was made genericenough to be used for brushes and other types of resources in the future.We expect to revisit this in the future releases of GIMP.

Now that 2.9.8 is out with the updated Blend tool, we are interested in yourfeedback, as we still expect some cleanup and enhancements to be done there.

Most of the programming was done by Ell, however we also want to acknowledgetwo other people who contributed to that effort one way or another.

Michael Henning improved the Blend tool for 2.9.2, making the position of itsendpoints editable before applying the gradient fill.

Michael Natterer refactored source code of GIMP’s tools to make them reuse oneanother’s on-canvas handles. That greatly simplified adding on-canvas handlesfor color stops. He also added the generic on-canvas dialog with the mostimportant options for tools.

Clip Warning¶

Ell also implemented a feature request made in our public mailing list,where Elle Stone asked for some way to visualize underexposed and overexposedareas of a photo, which is a common feature in digital photography tools such asdarktable and RawTherapee.

The new Clip Warning display filter targets that use case and fillsunderexposed and overexposed areas with user-configurable colors. For now,it’s mostly geared towards images where colors are stored with floating pointprecision. You will mostly benefit from this, if you work on 16/32 bit perchannel float images such as EXR and TIFF.

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Implementing this feature as a display filter has certain disadvantages suchas having to go through the whole routine of adding a display filter for everyimage. We are thinking of better ways to do this.

Color Management¶

GIMP now uses the babl library for doing conversion of images between colorspaces when matrix-based ICC profiles are used. This leads to completingtransforms ca. 5 times faster in comparison to LittleCMS v2 on a few testimages we tried this on. We expect to make further use of babl for doing colortransforms once the library supports ICC profiles based on lookup tables.

Wayland support¶

While we already had the screenshot plug-in working under GNOME/Wayland,we now implemented screenshots for KDE/Wayland (though it misses rectangulararea selection).

The Color Picker widget will now also work in KDE/Wayland.Note that there is still no color-picking interface in GNOME forWayland, so as a workaround,color picking will only work inside GIMP windows for this platform.

Color-picked and screenshot pixels are not color-managed yet in Wayland.

Paste in Place¶

Michael Natterer implemented another small feature request from a user whoasked for an Inkscape-like Paste in Place command. The idea is that GIMPshould be able to paste contents of the clipboard at exact coordinates thecontents was originally copied from. This feature is available for both theregular clipboard and named buffers.

Paste in Place complements the usual Paste command which places contentsof the clipboard into the center of the viewport.

GUI and Usability¶

The spinscale widget now highlights vertical parts of the slider sectiondifferently to hint that position of cursor above the widget matters.When changing values in the lower step section, the pointer will be wrappedaround the screen so that you could continue adjusting the value without interruptions.

When using transform tools, you can now press a modifier key before or afterpressing/releasing a mouse button.

The Info window for the color picker now remembers the modes across session.So if you prefer seeing LAB values, that’s what you will see every time untilyou choose something else.

Canvas rotation and flip information is now visible in the status bar, as anglevalue and flip icon. Clicking on these canvas statuses will respectively raisethe Select Rotation Angle dialog or unflip the canvas.

Help Manuals¶

Upon detection of locally installed manuals in several languages, GIMP will nowallow selection of the preferred manual language in the Preferences dialog(Interface > Help System).

Manual localization settings in GIMP’s preferencesThis is especially useful since GIMP’s interface is available in 80 languages,while its manual is translated to only 17languages. You may therefore not have a choice of viewing the manual in yourpreferred language.

Moreover, some people choose English over their native language for userinterfaces, while sticking to their native language for reading documentation.This is another case where choosing preferred language for the user manualmight come in handy.

Improved Wavelet Decompose Filter¶

The much demanded Wavelet Decompose filter got a small round of updatesand gained a couple of new options: placing decomposition stack into its ownlayer group and adding a layer mask to each scales layers. It also producesmore expected results now.

File Formats¶

The PSD plug-in was fixed to properly handle Photoshop files with deeplynested layer groups and preserve expanded state of groups for both importingand exporting. Additional changes fix mask position and improve layer opacityfor importing/exporting.

The PDF plug-in now supports loading password-protected files by promtingthe user for password.

HGT files can now be imported. HGT is the format for Digital Elevation Modeldata by the NASA and other space agencies.GIMP now supports both the SRTM-1 and SRTM-3 types (as far as we know, theonly two variants) which will be imported as grayscale RGB images.

NASA HGT file import followed by appropriate “Gradient Map” filteringIn order to obtain more visible relief information, you will want to mapaltitudes to colors, for instance with the “Gradient Map” filter as we didin the example image above (see also this explicative post on theprocess).

Translations¶

Translation of GIMP was updated for 13 languages: Catalan, Croatian, Galician,German, Greek, Hungarian, Icelandic, Indonesian, Italian, Polish, Russian,Spanish, and Swedish.

What’s Next¶

We’ll enter strings freeze soon so that translators could safely finalize theirwork for 2.10. Following that we expect to start making release candidatesof GIMP 2.10.



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