Lighter areas become more transparent, whereas darker areas remain more opaque. The reason why this happens is because by default, the Color field in the Color to Alpha menu is white (as indicated by the white stripe in the menu.) This means that the white portion of all of the colors in your image are reduced to transparency based on a scale of how much white the color contains. Once opened, you should notice that a large portion of the image on your canvas becomes partially transparent: Your image may look something like this when you first open the Color to Alpha menu. Result: notice how perfect that transparency is on a black background, and compare to your image on a black background.To access this menu, navigate to Colors > Color to Alpha. However those greenish shadows around the text might result in a subpar outcome.įor this particular image you need to select the circle with the Ellipse tool (slightly inside the circle if possible), then Invert the selection, then use Colors/Color to Alpha or fill the whole selection with white with Color Erase mode on. What you would usually do is to select the background, grow it by a few pixels and then fill the whole selection with Color erase, or do Color to Alpha on the selection.
Bucket Fill to transparent that you want is just Bucket fill in Color erase mode. Generally you want to use Color to Alpha/Color erase to remove a single-color background. You might notice there are still white/gray borders left on your final image. did fuzzy select then edit>clear on the white background 📷 īucket fill/magic wand selection are bad if you don't know what you're doing. bucket fill just makes sense (method: add alpha channel didnt work because there was already an alpha channel. Yet gimp doesnt seem to have an option for bucket fill transparent? color picker on transparent doesnt work for whatever reason.Įdit: i got it, but i still wish bucket fill to transparent existed. bucket fill would be extremely effecient and *simple* (trying to follow complex steps only leads to more things that can go wrong), as all her robe is inside the circle and all the white that i want transparent is outside the circle. This is the image here and im trying to make the white outside the circle transparent, but NOT make her robe transparent. when i try to add alpha channel, the "add alpha channel" is grayed out, i cant select it! r/FreeCAD FOSS Parametrical CAD/CAM /r/scribus Desktop Publishing Darktable FOSS tool for photographersĪll these tutorials on google say use add alpha channel, but a transparent bucket fill would be insanely more effecient for what i need.
Gimp erase to transparent all of one color software#
r/gmic FOSS image processing framework /r/inkscape Vector-based graphic editor /r/blender 3D modeling, animation, & rendering /r/mypaint painting for digital painters /r/darktable/ photo editing software /r/krita digital painting application /r/synfig FOSS 2D Animation /r/FOSSPhotography Folks who use all the above /r/libredesign changing the paradigm Other Links of Interest
CSS help provided by /u/Cheesydude All about the GNU Image Manipulation Program
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