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  Can we use a photo we take as fill pattern?
Posted by: snowforest - 06-17-2021, 08:16 AM - Forum: General questions - Replies (5)

I understand how to use one of those given fill patterns to fill an area. How about if I take a photo and want to use that image as fill pattern? Can I do it? How?

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  PNG vs JPG color off by 1
Posted by: af_luther - 06-16-2021, 11:08 PM - Forum: General questions - Replies (7)

I am automating a process in Python and I am loading a PSD into GIMP, changing a fill layer's color, and then exporting the result to JPG and PNG.
I am setting the fill layer to a light grey #3F3F3F (63,63,63). e.g. with

Quote:gimp_color = gimpcolor.RGB(int(rgb[0]), int(rgb[1]), int(rgb[2]))
pdb.gimp_context_set_foreground(gimp_color)
mylayer.fill(FILL_FOREGROUND)

The JPG output has that same color as expected (#3F3F3F).
The PNG output has changed that area to #3E3E3E (62,62,62).
Some other color areas I set are also off by 1 in the PNG, but not the JPG. Out of 6 different fill layers, 4 are correct and 2 are off.
I would like to correct this. In fact, I was thinking PNG would be better because I do have some artifacts in the JPG where the compression changes things a bit and the PNG should be lossless.

I noticed these messages in the output which I thought might be related:

Quote:gimp_color_transform_new: using babl for 'sRGB IEC61966-2.1' -> 'GIMP built-in sRGB'
gimp_color_transform_new: using babl for 'GIMP built-in sRGB' -> 'sRGB IEC61966-2.1'
gimp_color_transform_new: using babl for 'sRGB IEC61966-2.1' -> 'GIMP built-in sRGB'
gimp_color_transform_new: using babl for 'GIMP built-in sRGB' -> 'sRGB IEC61966-2.1'
gimp_color_transform_new: using babl for 'GIMP built-in sRGB' -> 'sRGB IEC61966-2.1'
void gimp_gegl_convert_color_profile(GeglBuffer*, const GeglRectangle*, GimpColorProfile*, GeglBuffer*, const GeglRectangle*, GimpColorProfile*, GimpColorRenderingIntent, gboolean, GimpProgress*): converting buffer took 0.0109 seconds
Any tips on how I can avoid this issue of the color values in the PNG export being slightly off from what I set?
The two places I am seeing the "wrong" value in the PNG is (1) loading it into Paint.net and (2) in a WebGL shader that uses it as a texture. In both of those programs the values I am seeing are the same.

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  How to select edge/ black lines in an image only?
Posted by: Swyzy - 06-16-2021, 12:20 PM - Forum: General questions - Replies (4)

I want to select edge line or black lines from the image and then remove all other details from the image. I only need black line for coloring page
Link of image :

https://ibb.co/Dzg0x3p[Image: Dzg0x3p]

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  muted colors after PSD conversion
Posted by: LyalC52 - 06-15-2021, 10:40 PM - Forum: General questions - Replies (3)

Hello,
Its been a few months since I've used GIMP (I have the latest version) and never had this problem before.
when I convert a PSD file then try to add color with the bucket or brush the colors are muted.
I can open a previous file and the colors are correct.

pic 2 is supposed to be pure white, pic three the blue is muddy and lighter

[Image: ptjh60R.png]


[Image: O69niU6.png]
[Image: DzppUBJ.png]

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  Moving text to a new page
Posted by: nicholves - 06-15-2021, 09:51 PM - Forum: General questions - Replies (1)

I am trying to add text on top of a pdf, the text keeps moving to its own page when I export. How do I fix? (does this even when text is in a layer group with the background)

https://imgur.com/a/Ybx3FBV

https://imgur.com/a/A3edWSK

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  Fore-/Background Color tool very small
Posted by: Ced_ - 06-15-2021, 09:28 PM - Forum: General questions - Replies (1)

Hello, newbie here,

I was setting up Gimp and noticed that the Foreground- and Background Color tool (beneath the toolbox icons) is incredibly small for me.
Is there any way to increase it's size? I found nothing on google about that, just about the size of the toolbox icons.

I use an 1440p monitor. Could it have anything to do with that resolution? Altough, on my second monitor (1080p) the tool is even smaller.

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  Layer curve/bend
Posted by: creative_aj - 06-14-2021, 06:04 PM - Forum: General questions - Replies (2)

Hi can someone help me recreate this bend (in blue). I tried distort -> curve bend but that doesnt product this effect.


https://www.dropbox.com/s/2a8wa8cj03vaud...e.png?dl=0


Thanks!!



Attached Files Image(s)
   
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  Layers being moved when exporting to PDF
Posted by: Deanna - 06-14-2021, 03:46 PM - Forum: Older Gimp versions (2.8, 2.6....) - Replies (2)

Hello,

This word is 3 layers. Brownish on top, white for a bit of a 'shadow' (low opacity) and black to set off the white.

I haven't had this mess up like this before and don't know what to do to fix it and export it as I would like it.

Suggestions?  Ideas?   

Thanks!
Deanna

   
   

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  How to adjust filling pattern
Posted by: snowforest - 06-14-2021, 11:50 AM - Forum: General questions - Replies (2)

If I want to apply gradient filling, it automatically starts from black and goes to white. But I do not want it to start from that dark. How can I adjust the start and finish colors of gradient fill? I see the box but it looks very complex and nothing happens no matter what I do and first of all the escape button doesnt work in gimp.

Once I am done with filling how do I get rid of dashed lines around the selected area? Escape button doesnt work

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  Some XCF and PNG exports are bloated
Posted by: GMP - 06-14-2021, 01:47 AM - Forum: General questions - Replies (4)

I'm using 2.10.24 Yesterday after importing 73 meg PNG file into GIMP the XCF file became really bloated -  698 meg and the PNG I exported from this was 397 meg. I think the reason this is occurring is sometimes some pics are too small so I need to scale the layer much higher, sometimes over 100,000 px. Does scaling increase the file size quite a bit? 

When this occurs GIMP is super slow at saving the file or exporting a file.  Recently when this happened I noticed that most of the files I've been creating lately, which are all similar faces swaps, are fairly small XCF files (5-100 meg) and small PNG's (1-35 meg)  are created from the export.

I use Photo Gallery to view my pics and want them to be about the same size for a slide show. After I make changes in GIMP I always open the pic in PhotoWorks, which is a program with some time saving photo correction and altering tools. I then save as a PNG and I open it again in GIMP for final fixes.

As a temporary fix I used the Snipping Tool to create a new PNG file from the  397 meg and it's a small 682 KB PNG file - 500x smaller

I think the PNG file somehow got corrupted. Is there a way to fix a file that opens in GIMP but is corrupted in some way?  or do I just need to use the Snipping Tool? Or can the export the scale the pic larger?

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