##[zoom]

[The base zoom factor before zooming in or out.]
D:base_zoom_factor = '0.25';
[How much to zoom out per scroll.]
D:zoom_out_per_scroll = '0.05';
[If the zoom factor should reset to the base zoom factor when stop zooming.]
B:reset_zoom_factor = 'false';
[How much to zoom in per scroll.]
D:zoom_in_per_scroll = '0.05';