9 if (display) display->
updateZ(*
this);
17 , originalCoverage(layer.getCoverage())
virtual void updateZ(Layer &layer) noexcept=0
Interface for display layers.
@ COVER_NONE
Layer is not visible, that is completely transparent.
void setZ(ZIndex z)
Changes the current Z-index of this layer.
ZIndex
Determines stacking order of layers: layers with higher Z-indices are closer to the viewer.
void setCoverage(Coverage coverage_)
Changes the current coverage of this layer.
ScopedLayerHider(Layer &layer)
This file implemented 3 utility functions: