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  Any reliable and free barcode generator plugins for gimp 2.10?
Posted by: eru777 - 05-28-2022, 12:55 PM - Forum: General questions - Replies (3)

I sometimes need to print barcodes at work, I was wondering if there are any good and free plugins for gimp.

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  problem pink background
Posted by: Aureelien83 - 05-27-2022, 06:32 PM - Forum: General questions - Replies (2)

Hi,

I have a problem when i saved my project on pdf, jpg or other.
All of my pages have a light pink background

[Image: zlcd.jpg]
I use  picture with white background but if it's on white background it's ok no ?

Someone have this prob ?

Ps: Sorry for my approximate English Big Grin


Thanks !

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  linking a image with its mask
Posted by: reena - 05-26-2022, 10:34 AM - Forum: Scripting questions - Replies (12)

I have tried script for linking a image with its mask but its not working. I need it to be worked urgently. Kindly help.


Code:
(define  (script-fu-auto-mask-image Mask InImage OutImage)
 (let* (
     Image (car (file-tiff-load RUN-NONINTERACTIVE InImage InImage)) ImgW (car (gimp-image-width Image)) ImgH (car (gimp-image-height Image))
     PrimeLayer (car (gimp-image-get-active-layer Image))
     (gimp-layer-add-alpha PrimeLayer))
     (gimp-layer-new Image ImgW ImgH RGB-IMAGE MaskLayer 0 LAYER-MODE-NORMAL)
     (gimp-file-load-layer RUN-NONINTERACTIVE Image Mask)
     (gimp-image-set-active-layer Image MaskLayer)
     (gimp-image-select-color mask CHANNEL-OP-ADD drawable (0 0 0))
     (gimp-image-set-active-layer Image PrimeLayer)
     ;(gimp-edit-clear drawable)
     (gimp-drawable-edit-clear drawable)
     (gimp-image-remove-layer Image MaskLayer)
     (file-png-save-defaults RUN-NONINTERACTIVE Image drawable OutImage OutImage)
   )
 (gimp-displays-flush)
 (gimp-quit TRUE)
)

I am trying to execute it through this command.
gimp -i -c -b '(script-fu-auto-mask-image  "Pictures/test/mask.png" "Pictures/test/DSC00805.tif" "test.png")' -b '(gimp-quit 0)

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  How to change the color of an object in a photo
Posted by: MaxPixel - 05-25-2022, 04:01 AM - Forum: General questions - Replies (5)

I'm new to Gimp and photo-editing. I took a photo, and there's an unpainted white panel that's distracting. Here's the photo: https://imgur.com/8xVe5Xv

Is there a way to add something to the panel?

Is there a way to change the color of the panel to black or grey?

Since the panel is a 3d object, it would not have uniform level of black or gray. Also, it would not be perfectly black since no real-life object is perfectly black.

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  Make background colors transparent in a special way
Posted by: dgoelid - 05-24-2022, 01:35 PM - Forum: General questions - Replies (2)

Dear community,

how can i make my background transparent in that way like shown in the picture?

Thank you for your help.



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  Filter to enhance the quality of image
Posted by: Stephen Liu - 05-24-2022, 06:11 AM - Forum: General questions - Replies (81)

GIMP 2.10.18

The image (.png) attached here was scanned on Smartphone without scan software.  Then I ran "mogrify" (IM command) converting it to positive image.

Code:
$ mogrify -negate image.jpeg

and then I cropped the image running Screenshot on "Image Viewer".

Please advise what filter shall I run to enhance the image quality and to remove its green color.

Thanks

Regards



Attached Files Image(s)
   
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  How can I put an image behind an object in the background?
Posted by: gods10rules - 05-23-2022, 07:58 PM - Forum: General questions - Replies (6)

I'm trying to figure out how to but the mermaid behind an object in the background image. I've tried watching YouTube videos, but can't really comprehend them, and they all seem like too much work for something that should be simple.

These two pics are separate layers, there should be and easier way to put an inserted picture, behind an object in the background

For example, I'm trying to put the mermaid behind the chair facing the wall, but a part of the tail is still covering the chair.

[Image: 283142489_10159960055216171_516203800332...e=6290F9F7]

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  Remove path after clicking selection from Path
Posted by: adam - 05-23-2022, 03:23 PM - Forum: General questions - Replies (3)

I was just wondering if there is a setting to automatically delete / remove the path after clicking "Selection from Path"

Most of the time I create one selection area and then move on to another immediately and the only way I have found to remove the path is to change tool and start again. I would prefer to stay within the path tool creating paths and selections one after the other. Maybe there is a keyboard shortcut I am missing to clear the path and start creating a new path without exiting the tool?

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  Batch processing of photos on post-editing
Posted by: Stephen Liu - 05-23-2022, 05:15 AM - Forum: General questions - Replies (13)

GIMP 2.10.18 on Ubuntu 20.04 desktop



Hi all,

I have hundreds of film negatives to be converted to digitized files.  I have no problem scanning them and saving them on Smartphone (with/without scan software installed) to negative photos.  After downloading them to computer I run following "mogrify" command lines (ImageMagick command) batch converting them to postive photos.

Code:
$ mogrify -negate *.* (convert negative photos to postive)

$ mogrify -negate -rotate 90 *.* (convert negative photos to postive and rotate 90 deg clockwise)

$ mogrify -negate -rotate -90 *.* (convert negative photos to postive and rotate 90 deg counter-clockwise)

$ mogrify -negate -rotate 180 *.* (convert negative photos to postive and rotate 180 deg)
They work for me seamlessly.  

Regarding Brightness, Contrast, Hue, Color etc. Can they be processed in batch?

ImageMagicks command;
Code:
$ morgify/convert -brightness-contrast 12x34 *.*
12x13 (value of -brightness-contrast, for example)
able to batch converting all photos but there is no preview.

I found BIMP/DBP plugins for GIMP.  They can perform batch process.  

Is there preview provided?
Can they perform batch processing on HUE Color, brightness, contrast, saturation etc. ?

It would be a tedious work to post-editing hundreds of photo, one by one.

OR is there a better solution for me?  Please advise.

Thanks in advance

Regards
SL

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  Scale drawing
Posted by: chris64 - 05-21-2022, 11:43 PM - Forum: General questions - Replies (2)

Sometimes I can't increase the scale of the drawing. Whenever I try, the scale gets bigger but the canvas size remains the same. Why is that? It wasn't always that way. Is there a setting so that the canvas size increases when I increase the scale of the drawing?

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