1Gtk2::ImageView::Zoom(3U)ser Contributed Perl DocumentatiGotnk2::ImageView::Zoom(3)
2
3
4
6 Gtk2::ImageView::Zoom - Functions for dealing with zoom factors
7
9 GtkImageView uses a discrete amount of zoom factors for determining
10 which zoom to set. Using these functions, it is possible to retrieve
11 information and manipulate a zoom factor.
12
14 double = Gtk2::ImageView::Zoom->clamp_zoom ($zoom)
15 • $zoom (double)
16
17 Returns the zoom factor clamped to the minumum and maximum allowed
18 values.
19
20 double = Gtk2::ImageView::Zoom->get_max_zoom
21 Returns the maximum allowed zoom factor.
22
23 double = Gtk2::ImageView::Zoom->get_min_zoom
24 Returns the minimum allowed zoom factor.
25
26 double = Gtk2::ImageView::Zoom->get_zoom_in ($zoom)
27 • $zoom (double)
28
29 Returns the zoom factor that is one step larger than the supplied zoom
30 factor.
31
32 double = Gtk2::ImageView::Zoom->get_zoom_out ($zoom)
33 • $zoom (double)
34
35 Returns the zoom factor that is one step smaller than the supplied zoom
36 factor.
37
39 Gtk2::ImageView
40
42 Copyright (C) 2007 by Jeffrey Ratcliffe.
43
44 This software is licensed under the GPL-3; see Gtk2::ImageView for a
45 full notice.
46
47
48
49perl v5.32.1 2021-01-27 Gtk2::ImageView::Zoom(3)