NAME¶
Gtk2::ImageView::Zoom - Functions for dealing with zoom factors
DESCRIPTION¶
GtkImageView uses a discrete amount of zoom factors for determining which zoom
to set. Using these functions, it is possible to retrieve information and
manipulate a zoom factor.
METHODS¶
double = Gtk2::ImageView::Zoom-> clamp_zoom ($zoom)¶
- •
- $zoom (double)
Returns the zoom factor clamped to the minumum and maximum allowed values.
double = Gtk2::ImageView::Zoom-> get_max_zoom¶
Returns the maximum allowed zoom factor.
double = Gtk2::ImageView::Zoom-> get_min_zoom¶
Returns the minimum allowed zoom factor.
double = Gtk2::ImageView::Zoom-> get_zoom_in ($zoom)¶
- •
- $zoom (double)
Returns the zoom factor that is one step larger than the supplied zoom factor.
double = Gtk2::ImageView::Zoom-> get_zoom_out ($zoom)¶
- •
- $zoom (double)
Returns the zoom factor that is one step smaller than the supplied zoom factor.
SEE ALSO¶
Gtk2::ImageView
COPYRIGHT¶
Copyright (C) 2007 by Jeffrey Ratcliffe.
This software is licensed under the GPL-3; see Gtk2::ImageView for a full
notice.