zoom_step

Description:

[ CCode ( cname = "gimp_zoom_model_zoom_step" ) ]
public static double zoom_step (ZoomType zoom_type, double scale, double delta)

Utility function to calculate a new scale factor.

zoom_type	the zoom type
scale	ignored unless `zoom_type` == gimp_zoom_to
delta	the delta from a smooth zoom event

the new scale factor

Since GIMP 2.4