When designing a new keyboard layout, this is the page where the theme is created.
Insteed of defining properties for each key individually, Touch-It uses a library of images, fonts, and colors and then only refer to it with an index. This allows to change the theme in a snap.

Default page.

Preview

At the bottom of each page, stands the preview area to give an idea of what will be the result of the current settings.
The image is displayed from 50% to 150% of the Default key size (not the image size) to show the runtime result when different zoom are applied.

Preview of the key image selected. This view shows images from 50% to 150% of the default key size.

Preview options Caption: Text displayed on the key. Unicode is supported. Charcters can be inserted using the Unicode table. Background: Simulate an opaque keyboard of any color. Margins: Whether to draw a red rectangle of the inner margins rectangle. Image up/down or color: Index of images or color. Font: Index of a text option. Key size: Key size for a zoom of 100%. Images are stretched accordingly. Changing these values also alter the Default key size.