Add book background

An image can be placed behind a Mz3 book.
Depending on the used variant (Javascript, mz3Viewer) and the size/aspect ratio of the window, the background image behaves differently:

  • Javascript
    Javascript Portrait
    Javascript Landscape

    The image is enlarged to fill the entire window.
    If the page proportions do not match, the background image will be cropped on the too wide / high side (right or bottom).

  • mz3Viewer
    Flash Portrait
    Flash Landscape

    The background image is always scaled to match the window in which the Mz3 book is displayed.
    If the aspect ratio of the window and the background image do not match, the background image will be distorted.
    The background image should, therefore, have as much of a similar aspect ratio as the typical window in which the Mz3 book is opened,

Therefore, a background image should be chosen that tolerates such distortions.

Background color

As an alternative to a background image, the background can also be filled with a selectable color.
The color actually is used only in the Javascript variant,

Background Color

Selection and Add

Choosing a book background image works the same as selecting any other element: Via the browse button! in the Add Book Background window

The background image must and cannot be positioned.


The background image can be deleted by calling Commands - Add Book Background again.

Last modified: 21 March 2020


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