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4

Easiest way to remove one color is: Colors > color to alpha select black (HTML: 000000) ok > ok done Then you can copy-paste the layer onto any other image.


3

First, let me begin by saying I'm less familiar with Gimp than I am with Photoshop, but the concept works the same way. This is the best method I've found to easily create detailed masks. Step 1: Prepare Mask Boost the contrast between lights and darks. Desaturate and adjust curves. Step 2: Create Mask Select all and paste layer into layer mask. ...


3

Alright I'll make this with limited screenshots since I don't use Gimp but I would hope this all exists in Gimp: Convert to Black and White If Gimp has it, tweak particularly the Yellow when converting to Black and White to remove a lot of it. (Update: Hue/Saturation... Yellow before we convert to B/W via Takkat in comments) Then adjust the levels to ...


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The easiest way is to click on the Layer Mask thumbnail, on the Layers Dialog, so that it is the active drawable, then copy and paste it to a new image (ctrl + c, ctrl + shift + v) , and just export this new image as usual. (the pasted image will be grayscale, as expected) Maybe it is the only way using the program's GUI - (there may be variants, but in ...


2

In GIMP or any other Image editing program, the easiest way is to use Layers for this kind of thing. Check GIMP's initial documentation on Layers here: http://docs.gimp.org/en/gimp-using-layers.html The basic concept is that each image, when open in GIMP behaves not only as a printed image on paper, but as a stack of several transparent films, the ...


2

When you're asking Firefox or any other browser to scale a page they render the text and other content at larger or smaller sizes. This is like you choosing a larger or smaller font size for your text in a word processor. The quality of the text is largely the same whatever the font size chosen. When you scale an image in the Gimp (or any other bitmap ...


1

Alternatively - you can just use the Select by color tool (just next to the magic wand on the tool box) - and click on any white part of the image. This will select the white areas - then, just copy and paste on the target image. The "color to alpha" as @PieBie put it, is more precise, and better to remove a solid background when you want to keep a lot of ...


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The first part is realy easy. Don't scale your image using any interpolation method. Choose None in the dialog box. Use exact multipliers.


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I don't know how gimp work, but talking about the concept. The two color seems to have the same average gray so when you convert it to grayscale it doesn't make any difference. all you need to do is some color equalizing before conversion. try to work on the colored version first, by equalizing the color and raise the blue a little this will ensure raising ...


1

So, indeed this can be considered a path-stroking bug - or at least missing feature. Even if GIMP developers can fix it, a new release with the feature implemented could take months. On the other hand, this kind of thing is more or less easy to do using the script-engines that come along with GIMP. The following 6 lines of code can be pasted as they are in ...


1

To make a colored bitmap black and white in Gimp follow these steps: Adjust Colors > Hue-Saturation to Saturation -100 Make grey tones black using the Colors > Levels tool by dragging the black point to the right until happy (here I used 150 for black): Make the white background transparent with Layer > Transparency > Color to Alpha choosing (default) ...


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Select and copy the image to put it on your clipboard, then use the bucket fill tool with the pattern option, selecting the clipboard pattern. If you want to keep the image around for further use, you can always save it as a pattern.


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You can actually try just layer->transparency->color to alpha and pick a medium color from the paper tone. This will make just that tone transparent, and preserve the texture noise, so that you can add other colors behind and still "feel" like it is paper. To further remove "whiteish" pixels, just repeat the process picking one of the remaining tones ...


1

My approach would be as follows: with the selection you have, toggle quick mask mode run the Erode filter as many times as necessary on that mask You'll notice that the clear, selected parts of the mask will become smaller. finally, toggle quick mask mode again to switch back to the selection You can now either invert the selection and cut the ...


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GIMP is quite good in PNG compression, but not the best. To get a basic idea about PNG optimization, read File size and optimization software chapter in "Portable Network Graphics" article on Wikipedia. I have optimized thousands of PNGs and I recommend these tools for a lossless optimization: PNGOUT, ZopfliPNG. If you want to make your files even ...



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