![]() ![]() But if a pixel can be transparent, we do not know about what is visible - it depends on the background that we do not have. The basic idea of lossy compression is to store information that is more visible in a more detailed way, and leave out information that is less visible. ![]() I have not been able to do this since installing 2.10. If that's right, exporting to PNG instead should help.Īs a side note, it's interesting that the handling of transparency was not "just left out" from JPEG - it's more like the whole concept of lossy compressing does not go together with the idea of transparency. Using GIMP 2.10.4 I have need to duplicate objects in GIMP, changing only the colors in each duplication. The problem could be that the image was exported to JPG, and lost the transparency while exporting. The most common image file format supporting transparency is PNG,Īnd the most common format not supporting it is JPG. Otherwise, the export process has to find a way to save the image without the transparency - asking you, or just pretending the background is white, for example. It needs to be exported to an image format that supports saving the transparency information to the file. Also, since you mentione file-size, these are actually bigger than the original, colored one, which is interesting.You do not write which way you export the image, but this is important. The problem is, the dithering tool in GIMP is inferior to what Photoshop (or other programs) can do and your gifs can end up looking kind of crappy (depending on the color pallete). Go to Image>Mode>Grayscale (I think that’s what it’s called in english, not a 100 % sure, but it should at least be something in that vein).Īs the bottom line, I’d suggest gradient map, but there are a lot of different ways to go about it. ![]() Then go to Filters>Animation>Process Animstack tags. Use the bucket tool and fill it with grey, then set the layer mode as saturation and color. Create a new layer on top of all the frames, call it. Use the Colour Picker tool and click on colour to be retained. 2) Replace one colour in the image with another from the map. This one does not require GAP, but Animstack. Use selection tools and do it directly on the image. The whole cancel, ctrl+F is so that you don’t have to put in the value, -100, twice.Ĥ. Go to Filters>Filter all layers>plug-in-wr-huesat (it’s at the bottom), then apply constant, cancel, ctrl+F and put the saturation as -100. Put this:Ī bit over-exposed, right? You can play around with the settings, the sliders you see above, but this doesn’t seem to be the best method.ģ. Go to Filters>Filter all layers>plug-in-colors-channel-mixer, apply varying, cancel and ctrl+F. Then, assuming you have GAP (otherwise go here), go to Filters>Filter all layers>plug-in-gradmap, click apply constant and then ok and ok.Ģ. ![]() The colors shall look like this:Īnd clicking on the gradient icon in the left window, on the settings part that’s in the bottom of the left window, make it look like this (it’s the default): I’d start by basic coloring, making it black and white, and then some final adjustments.ġ. In your workaround, you start with a new image which by default is already in RGB mode. Use Image>Mode>RGB on the first image before importing the others. Disclaimer: This software or service is provided by a third. 2 Answers Sorted by: 8 The PNGs are color-indexed (the title bar states this in your screenshot), in which case imported images are coerced into the color map of the first image. There are five ways to go about this, IDK which one’s the best. Created by: Aaron iker Problems Report a problem Share this. ![]()
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