| Reference Manual - 1.4.3 | ||
| |||
| DFBResult GetLevel ( | ||||
| IDirectFBDisplayLayer | * | thiz, | ||
| int | * | ret_level | ||
| ); | ||||
The level describes the z axis position of a layer. The primary layer is always on level zero unless a special driver adds support for level adjustment on the primary layer. Layers above have a positive level, e.g. video overlays. Layers below have a negative level, e.g. video underlays or background layers.
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