Gimp why cant i color to alpha

One was like a swirl of colors on a white background. The person's clipboard just showed the swirl. I tried the same thing I am using GIMP 2. Is the function broken? Transparencies may not seem like much fun until you discover the exciting visual affects you can create using them.

Grab a copy of the free GIMP image-editing program and you can learn to turn blue skies red and apples blue at the click of a button. By using GIMP to manipulate transparency information, you can make a color transparent in one of your business graphics and replace it with another. Click "Color" from the menu bar and select "Color to Alpha. The Color to Alpha feature allows you to choose a color in your image and make it transparent.

This window has a "From" box below the preview image. This text box holds a color that you would like to make transparent. There are several ways to get a color into that text box. The background and foreground colors are the ones you see at the bottom of the Toolbox window.

This window, which displays colors, allows you to click the color that you would like to make transparent. You should now be able to see through the pink lines, thus giving the impression that they are more integrated with the blue ones. Color to transparency We have seen that superimposing the two images implies that we cannot see both at the same time. Changing the colors Now that we can see both graphs, it would be nice to work on color.

Layer global transparency Now to more subtle detail : how to make both sets of curves look more integrated? GIMP layers transparency. L'outil de cartographie ChronoFab. Les ressources documentaires sur PSL-Explore. Choosing the right software. I searched online for this problem, and found several people who had the same problem, but did not find an answer. Next I searched again using a slightly different approach and ended up reading a thread that talked about changes to GIMP 2.

Now I found a post by Elle that suggests the problem has to do with new default blend modes for layers. See adjacent image for the full post I thought was the most useful.

And here is a link to the actual post where I found it:. It seems to me the behavior of Color to Alpha that I am accustomed to is more correct. I mainly want to get this answer out there so people can find it.