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Help:Theme designer/gradients

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Linear-gradient

A linear gradient

A lot of users visit Wikia, and their screen resolutions all differ. What might look like a nice background to you, may look bad for a user with a larger resolution. Therefore, it's important to add gradients to your background before you upload it through the theme designer so the image will blend in with the background.

What are gradients?

Background gradient step 1

The background used

Gradients are smooth transitions from one color to another. There are two types of gradients: linear ones, which is specified by two points, and a color at each point, and radial gradients, which is specified as a circle that has one color and a focus (the center of the circle) that has another. In this tutorial, we'll use linear gradients.

Applying gradients

Background gradient step 2

(Step 1) Notice the hard-edges

For this tutorial, we'll be using the image shown on the right, the well-known Windows background. You'll also need a program which supports gradients. In this case, we'll be using the free GIMP program.

Step 1

Have a look at the right image, as you can see the blue background doesn't fit at all with the image background, and there's no transition at all between the two. To fix this, we'll first have to detect the background color of the wikia. Take a screenshot of the page you're currently on and paste (CTRL+V) the image into GIMP.

Step 2

In GIMP, select the "Color Picker" from the toolbox on the left (GIMP color picker). Now, click on the background color of the wikia (not the background image). Now you've got the right color to apply the gradient with.

Step 3

Next, open the original background in GIMP (the windows desktop one). Choose the gradient tool (GIMP gradient). Next, on the toolbox menu left, choose "FG to transparent" from the dropdown which appears by clicking on the image next to "Gradient:" (Gradient image). Now you'll be able to apply the gradient.

Step 4

Background gradient step 3

(Step 4) Center, left. Click to enlarge.

Put your mouse on the left edge of the image, in the center (see image). Now hold the mouse button and pull to the very center of the image, and release the button. Now there's a gradient on the image. Do the same for the bottom and the right.

Step 5

Now save the image, (File --> Save as...), and save the image as a .jpg file. In the dialogue menu that shows up, choose "Export". A new dialogue appears. There, check the "show example" checkbox. The filesize of the image will appear. Make sure it's below 300kB or you won't be able to save the background.

Step 6

Background gradient step 4

No more hard edges!

Go to Special:ThemeDesigner on your wikia and upload the image. Voilà, a nice looking background! Which blends in with the background!

See also

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