Unable to install on MacOS Mojave. I'm trying to install GIMP on my mac, but the progress bar won't finish. It just stays like this (I attached a picture). It is not a problem with it being from an identified developer (I deal with that pop up message on a daily basis). I originally had GIMP installed on my computer, but it wouldn't open (it. Some styles failed to load. đ” Please try reloading this page Help Create Join Login. Open Source Software. Accounting; CRM; Business Intelligence.
- General questions
- Releases
- Features
- Tips
- Troubleshooting
- Contributing
General questions¶
Is there a company or a foundation behind GIMP?¶
No. We are a diverse group of volunteers from around the world who work on thisproject in their spare time. Code-wise most of project contributions come fromEurope where the current GIMP maintainers live. Our translators are an evenmore diverse group of contributors, since GIMP is available in80 languages/locales.
Can I use GIMP commercially?¶
Yes, you can. GIMP is free software, it doesnât put restrictions on the kindof work you produce with it.
Whatâs the GIMPâs license, and how do I comply with it?¶
GIMP is distributed under terms of General Public License v3 and later. In anutshell, this means:
- You are free to use GIMP, for any purpose
- You are free to distribute GIMP
- You can study how GIMP works and change it
- You can distribute changed versions of GIMP
Note that once you distribute modified version of GIMP, you also must publishyour changes to the source code under GPLv3+ as well.
Someone sold or tried to sell me GIMP on a 3rd party website. Is this legal?¶
Yes, under terms of the General Public License this is perfectly legal,provided that the seller also gave you the source code of GIMP and anymodifications he/she introduced. Please seethis page for more information.
Are you trying to develop a Photoshop killer app?¶
No. Most generic image editors look like Photoshop simply because Adobeâsapplication was among the first image editors as we know them now, sodevelopers tend to stick to what people know â in general terms.
What we aim to do is to create a high-end image manipulation application thatis free to use and modify by everyone, ever.
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Feature-wise, the proposed âhigh-endâ status does automatically put GIMP intodirect comparison against Photoshop, but we donât think about competitionmuch. We have too many ideas of our own to implement, and too many things toimprove before the notion of competition begins to make the slightest sense.
We do, however, acknowledge the fact that people will treat GIMP as Photoshopreplacement no matter what we tell them, and thatâs all right with us. Youown this software, itâs up to you to decide how you make use of it.
I donât like GIMPâs user interface. Why canât you just copy Adobe Photoshop?¶
In the past, the development in the project was somewhat erratic with regardsto taking usability into consideration, which is rather typical for freesoftware projects, but inexcusable for a high-end image editor that GIMP aims to become.
Between 2006 and 2013, we worked with Peter Sikking of Man+Machine Works, aprofessional usability architect, who helped us shape the project vision forGIMP, interviews professional users to better understand their workflows anddemands, and wrote functional specifications for various GIMP features.
This collaboration resulted in major improvements ofGIMPâs usability, in particular: the rectangular-based selection/croppingtools, the unified free/polyline selection tool, the single-window mode, theupcoming unified transformation tool etc.
While working on functional specifications, Peter researched how variousfeatures are implemented in applications with a partially matching feature set(such as Adobe Photoshop), but the final design was made to help actual userscomplete their tasks as fast as possible. This is exactly the kind of approachto designing interfaces that we consider to be superior to merely copying userinteraction decisions.
I donât like the name GIMP. Will you change it?¶
With all due respect, no.
Weâve been using the name GIMP for more than 20 years and itâs widely known.
The name was originally (and remains) an acronym; although the word âgimpâ canbe used offensively in some cultures, that is not our intent.
On top of that, we feel that in the long run, sterilization of language willdo more harm than good. GIMP has been quite popular for a long time in searchengine results compared to the use of the word âgimpâ. So we think we are onthe right track to make a positive change and make âgimpâ something peopleactually feel good about. Especially if we add all the features weâve beenmeaning to implement and fix the user interface.
Finally, if you still have strong feelings about the name âGIMPâ, you shouldfeel free to promote the use of the long form GNU Image Manipulation Programor exercise your software freedom to fork and rebrand GIMP.
Releases¶
When do you release the next version of GIMP?¶
We release both updates to the current stable version and development versions.
We cut new updates of the stable version in two cases: 1) some newly introducedbug is knowingly affecting a lot of users; 2) the amount of improvements andbug fixes is large enough to justify an update â typically, a fewdozens of each, but there is no rule.
Currently, we are working on GIMP 3.0 that will be using the GTK+3 userinterface toolkit and feature a lot of under-the-hood work. We also backport asmany changes as possible to the 2.10.x branch so that you would get them as partof bugfix releases. We make 2.10.x releases on a regular basis, usually oncein one or two months.
Why canât you announce dates of future releases?¶
We are a team of volunteers with day jobs, families, and personal interestsbeyond development of software. Given that, we try to avoid the situation whenwe cannot deliver a release, because something else at work/in family came up.
Instead we provide a feature-based roadmapthat roughly outlines, in what order we will be implementing various popularrequests made by users.
Arenât you interested in doing paid development of GIMP via crowdfunding?¶
We already have jobs we love. However we actively encourage personalfundraisers by trusted contributors. There are two such campaigns running atthe moment. You can learn more about them on theDonate page.
If you are willing to launch a campaign and develop some features for GIMP,talk to us about changes you are about to propose. Weâll help you to fleshout your idea and promote it to a larger community.
Will you release GIMP for Android or iOS devices?¶
Apps for mobile devices imply a different approach to designing interfaces.Since most of GIMPâs source code is related to the user interface one way oranother, it means that we would have to design and then develop a whole newapplication. Given the current manpower, weâd rather focus on delivering agreat image manipulation program for desktop users.
However, we are interested to consult 3rd party developers willing to make afree/libre GIMP-branded image manipulation program for Android. As for iOS,please note that GIMP is licensed under GNUGPL v3+ which conflicts withAppleâs Terms of Service. For a full story, please readthis articleby Richard Gaywood.
Features¶
I do not recognize GIMPâs user interface. Itâs different from what I see in all tutorials. What do I do?¶
We switched to a dark user interface theme and a symbolic icon theme by defaultin version 2.10. If you absolutely want to revert it, here is what you do:
Go to Edit > Preferences > Interface > Theme and change the theme from Darkto System.
Then go to Edit > Preferences > Interface > Icon Theme and change the themefrom Symbolic to Legacy.
Changes will apply immediately. Click OK to confirm.
When will GIMP support HDR imaging and processing with 16bit per color channel precision?¶
GIMP 2.10 was released in April 2018 and is the first version of the programto feature processing with precision of 16-bit and 32-bit per color channel.
When will GIMP support any kind of non-destructive editing like adjustment layers, layer filters, and/or full-blown node-based editing?¶
Currently the plan is to introduce non-destructive editing in GIMP 3.2. Thisis a huge change that will require rethinking the workflow and parts of the user interface.
Will GIMP open raw (.NEF, .CR2 etc.) files from my camera?¶
Starting with version 2.10, GIMP features plug-ins for usingdarktable andRawTherapee to process raw images, as well as apreference for a default raw processing plug-in.
I do a lot of desktop publishing related work. Will you ever support CMYK?¶
Yes, better support for CMYK has been on our roadmap for a long time. One of theideas, how we want to make this work, was introduced by user interactionarchitect Peter Sikking at Libre Graphics Meeting 2009 and later âin his two-part article in his companyâs blog:1,2. Pleasetake some time to read up on that.
We needed to finalize transition to the new image processing engine, GEGL,before attemtping to introduce features like CMYK support. Now that it iscomplete, initial work on CMYK support has been done in the babl and GEGLlibraries that GIMP relies on. This is partiallyfunded by the GIMP community,you can join in, too.
Once we finish some more work on color management in GIMP, it will be a goodidea to start exposing CMYK in the user interface. We have no timeline on this.Also, please note that we are not planning advanced features such as GCR supportfor now. This will most likely require a new dedicated developer in the team.
Should a new developer join the team to specifically work onCMYK-related features, we will do our best to help him/her to complete thisproject and get it to our users as soon as possible.
I donât like some changes you introduced in recent GIMP versions, like the Save/Export separation. Why canât you add a checkbox to disable them?¶
We realize that some changes are disruptive to some groups of users,especially those who got used to GIMP as an image editor for doing quick fixesto lossy files such as JPEG, PNG etc. (i.e. files that cannot store layers,masks, custom channels, paths).
However, adding a switch for every change we make adds numerous levels ofcomplexity that weâd rather avoid. Additionally, it would lead to dramaticallychanging the way we mean GIMP to work. Hence we respectfully disagree to makeextra behaviour switches.
At the same time, if you donât wish to abandon GIMP completely, we recommendhaving a look at theSaver and Save/export clean plug-insby Akkana Peck, as well as at various GIMP forks on GitHub, although typicallythey arenât maintained up to date with regards to bugfixes.
Why doesnât GIMP use GTK+3?¶
A GTK+3 based version of GIMP is currently in the works and will be releasedas v3.0 (see the roadmap for reference).
Tips¶
How do I draw a straight line?¶
In any of the drawing tools (Pen, Pencil, etc.), click on one endpoint of theline. Then hold the shift key and click on the other endpoint.
How do I draw a circle or square?¶
In the Rectangular or Elliptical selection tool, click in one corner of yoursquare or circle, then press Shift while dragging toward the other corner. Orenable the checkbox for Fixed: Aspect Ratio in tool options and make sure theaspect ratio is set to 1:1 before starting your square or circular selection.
Once you have a selection, Edit->Stroke Selection⊠will draw a line theshape of the selection you just made.
For curved selections, like circles, stroking with the Paintbrush paint toolwill usually give a smoother looking line. You can get an even smoother lineby converting the selection to a path (Select->To Path), then usingEdit->Stroke Path⊠instead of Stroke SelectionâŠ
Troubleshooting¶
My graphic tablet doesnât work on Windows/Mac. Does GIMP support advanced input devices such as Wacom?¶
Yes, GIMP does support graphic tablets and maps pressure, stroke speed, andother events to its advanced brush engine properties. However, the version ofthe user interface toolkit that GIMP currently relies on (GTK+ 2.x) is brokenbeyond repair on Windows and Mac with regards to supporting some advanced inputdevices such as Wacomâs.
To fix this, we need to port GIMP to GTK+3 where everything mostly works asexpected. This is a work in progress.
My macOS system doesnât let me open GIMP. What do I do?¶
We havenât yet joined the Apple Developer Program, so the DMG files we provideare unsigned, hence the âunidentified developerâ warning. Please follow theprocedure described in Appleâs knowledge base.
Contributing¶
Iâm a developer. How do I help you?¶
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Great! Please check the wikifor introduction on GIMP development and talk to us onIRC.
Iâm not a developer. Can I still help you somehow?¶
Absolutely! Here are some of the ways you can help us:
- Post awesome art online and tell people you made it with GIMP.
- Help new GIMP users in an online forum you visit.
- Write a great tutorial on getting something done with GIMP and post itonline or submit to GIMP Magazine.
- Do a GIMP workshop in your local community.
- Improve translation of GIMP and/or itsuser manual into your native language (readthis page to find out, how).