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  River Map
Posted by: SneakyAdder - 10-28-2017, 09:46 AM - Forum: General questions - Replies (10)

Ok.....shoot me down if this has already been covered.

Is there anyway of producing a River Map (Scottish River) via GIMP?

Thanks in advance.

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  Help: I can't save pictures
Posted by: Xinuque - 10-27-2017, 05:06 PM - Forum: General questions - Replies (5)

This is the problem I am facing: When I try to save a picture, I can't. The "save as" and "save" commands are irresponsive. When I click on them, the only thing that happens is that the Toobox disappears.
I am using Windows 10 and Gimp 2.8.22.

Thanks.


Never mind. Issued solved...

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  Problem editing GIMP icons
Posted by: crazyBaboon - 10-27-2017, 12:34 PM - Forum: Extending the GIMP - No Replies

Hi all,

I have been trying to add a bit of color to the Symbolic icons but I am unable to visualize them in inkscape 0.92 as it opens an empty document. When I try to open it, Inkscape does produce the following warning:

[Image: WAsMbXf.png]

How do I fix this? 

Thanks!



Ok just realized how to do it. Simply press ESC and you should be able to edit the icons!

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  Would someone be willing to make this plug-in for me? 15-bit color
Posted by: Marscaleb - 10-26-2017, 05:17 PM - Forum: Extending the GIMP - Replies (6)

Hello; I have not been to this forum before, so I don't know what the proper etiquette is for this sort of thing.  If asking for favors like this is a big no-no, then I apologize and won't ask why I don't have any responses.

I am looking for some functionality to help with my pixel art, but I am not familiar with the scripting and programming that GIMP uses.
I'd like a tool or command or something to help me convert my colors to 15-bit.  (Of course, the image itself would not be saved in this format, I just need to convert the colors I am using/making.)

Just so we're all on the same page of what I mean by 15-bit color, it is this:  Instead of the RGB channels having a range of 256 colors, they have a range of 32.
I don't need to redesign the fundamental way GIMP handles color data, I just need to conform the colors I am using to match those limitations.  Since GIMP operates in 24-bit color, this just means that the RGB value of any color needs to be a multiple of 8.

A color value of (104, 120, 160) is a 15-bit color, but a color value of (106, 120, 160) is not.
So what I want is a tool that would convert the color (106, 120, 160) into (104, 120, 160).

As for exactly how this tool should operate, I'm fairly open to a lot of implementations.  I don't know the inner working of GIMP, so I don't know what methods would be the easiest to create.  (And I am asking for this as a favor, after all.)

I could accept a tool that would convert a whole image (or whole layer) into 15-bit color.  Perhaps a script that separates the channels, converts each of those channels to a 32 color palette set to the correct multiple-of-eight values, (convert to an index of 32 values won't work right,) and then recombines them into a single image again.
I could accept a tool that goes through the colormap and converts each index to a a 15-bit color.  I don't commonly work within the indexed mode, but it is no hassle to convert to it just to get the colors correct.
I could accept a new layer mode that converts the colors to be 15-bit even though it would only change how it is displayed.  Actually that would be really useful for quickly making tests and iterations.  (Honestly the layer modes could stand to get some overhauls anyway; I've seen a number of pixel artists use photoshop because there they can set up layers to convert their art to custom stepped gradients, allowing them to use painting tools but still convert their images into a proper palette.)
I could even take a tool that just converts my currently selected foreground/background colors into 15-bit, if that's a thing.  It may take a little bit of time for me to go through all of the colors I am using, but it is still worlds faster than manually tweaking each color by checking its values one at a time.

Or if there is some other method that would make more sense to whoever would be doing me the favor of creating this tool, I probably could accept that too.  I just want to be able to convert the colors I am using into 15-bit.

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  Saving a font after you've created it (not downloading and saving)
Posted by: usmdesigner - 10-25-2017, 04:06 PM - Forum: General questions - Replies (3)

I find myself trying to recreate the font I used for my youtube thumbnails all the time.  Is there a way once I have the font edited that I can save it for later use? 

I have to resize every time, change it to the font I like, then apply affects.

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  Problem installing GIMP (make stage)
Posted by: crazyBaboon - 10-24-2017, 10:54 PM - Forum: Linux and other Unixen - Replies (2)

 I get the following error in the “make -j3 && make -j3 install” stage (link https://ninedegreesbelow.com/photography...tists.html):

Code:
make  all-recursive
make[1]: Entering directory '/home/xxx/code/gimpdefault/build/gimp'
Making all in m4macros
make[2]: Entering directory '/home/xxx/code/gimpdefault/build/gimp/m4macros'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/xxx/code/gimpdefault/build/gimp/m4macros'
Making all in cursors
make[2]: Entering directory '/home/xxx/code/gimpdefault/build/gimp/cursors'
 GEN      gimp-tool-cursors.c
 GEN      gimp-color-picker-cursors.c
failed to load "./cursor-color-picker.png": Couldn't recognize the image file format for file './cursor-color-picker.png'
failed to load "./cursor-bad.png": Couldn't recognize the image file format for file './cursor-bad.png'
gimp-color-picker-cursors.gresource.xml: Child process exited with code 1.
gimp-tool-cursors.gresource.xml: Child process exited with code 1.
make[2]: *** [Makefile:830: gimp-tool-cursors.c] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [Makefile:851: gimp-color-picker-cursors.c] Error 1
make[2]: Leaving directory '/home/xxx/code/gimpdefault/build/gimp/cursors'
make[1]: *** [Makefile:815: all-recursive] Error 1
make[1]: Leaving directory '/home/xxx/code/gimpdefault/build/gimp'
make: *** [Makefile:716: all] Error 2

I have checked and these .png files look like normal .png files. I have got libpng version 1.6.28 installed. Is this an issue with the version libpng installed? How do I fix this?

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  Error installing glib-networking
Posted by: crazyBaboon - 10-24-2017, 05:10 PM - Forum: Linux and other Unixen - Replies (2)

I was following the installation instructions to install GIMP GIT in https://ninedegreesbelow.com/photography...tists.html ' My system is Fedora 64 Cinnamon bit.

When I type:

Code:
./autogen.sh --prefix=$PREFIX --disable-gtk-doc --with-gimpdir=$HOME/code/gimpdefault/install/config


 I get the following error:

Code:
configure: error:

Extra Binaries:
 gimp-console:        yes

Optional Features:
 Language selection:  no (iso-codes package not found)
 Vector icons:        yes
 Dr. Mingw (Win32):   no

Optional Plug-Ins:
 Ascii Art:           no (AA library not found)
 Ghostscript:         no (Ghostscript library not found)
 Help Browser:        no (WebKit not found)
 JPEG 2000:           yes
 MNG:                 no (MNG header file not found)
 OpenEXR:             no (OpenEXR not found)
 WebP:                no (WebP not found)
 PDF (import):        Using PostScript plug-in (libpoppler-glib not found)
 PDF (export):        yes
 Print:               yes
 Python 2:            yes
 Script-Fu:           yes
 TWAIN (Win32):       no
 Webpage:             no (WebKit not found)
 WMF:                 no (libwmf not found)
 X11 Mouse Cursor:    yes
 XPM:                 no (XPM library not found)
 Email:               yes (xdg-email)

Optional Modules:
 ALSA (MIDI Input):   no (libasound not found or unusable)
 Linux Input:         yes (GUdev support: no (libgudev not found))
 DirectInput (Win32): no

Tests:
 Use xvfb-run         no (not found)
 Test appdata         no (appstream-util not found)


Error: GIMP configuration failed.

 - Error: missing dependency glib-networking
     *** Test for glib-networking failed. This is required.

See the file 'INSTALL' for more help.

Configure failed or did not finish!
What should I do to fix this error?

ps: When I do  
Code:
dnf install glib-networking

I get:
Code:
Package glib-networking-2.50.0-2.fc26.x86_64 is already installed, skipping.
Package glib-networking-2.50.0-2.fc26.i686 is already installed, skipping.
Dependencies resolved.
Nothing to do.
Complete!
There is no glib-networking-devel as far as I know.

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  Pspi and 8bf ?
Posted by: Bastien - 10-24-2017, 09:11 AM - Forum: Extending the GIMP - Replies (1)

Hi, I am new to this forum and have been using Gimp since it started on Windows.

I guess my question has already been asked several times.
I want to use some 8bf Photoshop plugins.
the pspi file that allows this use is no longer working since version 2.8 of Gimp. Do you know of any other solution?

---------------------------
Windows 10 x64 / Gimp 2.8
I3 / 8gb

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  Project image onto curve
Posted by: Akir - 10-23-2017, 02:13 PM - Forum: Extending the GIMP - Replies (7)

Hey all,
I'm looking for a way to project a picture onto a cylinder like here: http://gimpforums.com/thread-project-ima...tary-curve
- progressively shorten one axis while leaving the other axis unchanged. I get the idea of the displacement map, but I can't get the gradient right - I don't really get ofnut's formula, nor how to implement it into a gradient...
Thanks in advance,
Akir

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  Three Layers in One
Posted by: rich2005 - 10-23-2017, 09:35 AM - Forum: Tutorials and tips - Replies (1)

This came up in another section.
Three images divided up into equal(-ish) sections. A useful topic as it introduces some of the basic Gimp tools and editing aids.

   

Guides and Grids: https://docs.gimp.org/en/gimp-concepts-i...uides.html
Layer masks: https://docs.gimp.org/en/gimp-dialogs-st...layer-mask
Selection tools: https://docs.gimp.org/en/gimp-tools-selection.html

A bit of composition in the layer dialogue...and of course, it has all been done before in the documents https://docs.gimp.org/en/gimp-image-combining.html

For better or worse my take on the subject 5 minutes duration





Straight to youtube use https://youtu.be/2mSR-R2pslk

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