1Gtk2::ImageView::Zoom(3U)ser Contributed Perl DocumentatiGotnk2::ImageView::Zoom(3)
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6 Gtk2::ImageView::Zoom - Functions for dealing with zoom factors
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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.
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14 double = Gtk2::ImageView::Zoom->clamp_zoom ($zoom)
15 · $zoom (double)
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17 Returns the zoom factor clamped to the minumum and maximum allowed
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20 double = Gtk2::ImageView::Zoom->get_max_zoom
21 Returns the maximum allowed zoom factor.
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23 double = Gtk2::ImageView::Zoom->get_min_zoom
24 Returns the minimum allowed zoom factor.
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26 double = Gtk2::ImageView::Zoom->get_zoom_in ($zoom)
27 · $zoom (double)
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29 Returns the zoom factor that is one step larger than the supplied zoom
30 factor.
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32 double = Gtk2::ImageView::Zoom->get_zoom_out ($zoom)
33 · $zoom (double)
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35 Returns the zoom factor that is one step smaller than the supplied zoom
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39 Gtk2::ImageView
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42 Copyright (C) 2007 by Jeffrey Ratcliffe.
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44 This software is licensed under the GPL-3; see Gtk2::ImageView for a
45 full notice.
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49perl v5.32.0 2020-07-28 Gtk2::ImageView::Zoom(3)