it will align resulting image according to type. Possible values are :
1: - align to the right of the screen
2: - align to the bottom of the screen
3: - align to the bottom-right of the screen
0 or 4: - align to the center of the screen This option works only in conjunction with the following Pad option.
will cut piece with specified geometry from the source image.
Specifies the beginning of a background definition. The background can be referred to later by background_name. ~MyBackground ends a root background definition.
will pad image if it is smaller then screen with specified color. Possible type values are :
1: - pad horizontally and tile vertically
2: - pad vertically and tile horizontally
3: - pad both vertically and horizontally to make the image the size of the screen.
scale image to specified geometry. If geometry is omitted the image will be scaled to the screen size.
Specifies what to use as the root background. Possible type values are :
0: load image from the file. In that case "data" should specify filename.
1: Use MyStyle definition to fill root. In that case "data" should specify one of the MyStyle names defined in your look file.
2: Use external application to set root background. "data" should specify command line options to this external app. If you wish to use another application to display the root background, you need to set the "--with-imageloader" flag to use that application then recompile AfterStep.)
Note: remaining Background options are valid only for type of 0 !!!
The remaining options will perform transformations on the source image, in this order:
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AfterStep version 2.2.12