DOKK / manpages / debian 10 / libgtk2-perl-doc / Gtk2::Gdk::Colormap.3pm.en
Gtk2::Gdk::Colormap(3pm) User Contributed Perl Documentation Gtk2::Gdk::Colormap(3pm)

Gtk2::Gdk::Colormap - wrapper for GdkColormap

Colormaps are used to store the mappings between the RGB values you ask for and the actual, hardware-dependent values used to display those colors. The "$colormap->alloc_color" and "$colormap->alloc_colors" methods do the necessary work to allocate a color within the visual; this actually has nothing to do with memory management, so it is important that you call "$colormap->free_colors" to release those spots in the colormap allocated by "alloc_color" and "alloc_colors".

  Glib::Object
  +----Gtk2::Gdk::Colormap

colormap = Gtk2::Gdk::Colormap->new ($visual, $allocate)

  • $visual (Gtk2::Gdk::Visual)
  • $allocate (boolean)

  • $color (Gtk2::Gdk::Color)
  • $writable (boolean)
  • $best_match (boolean)

  • $writable (boolean)
  • $best_match (boolean)
  • ... (list) of Gtk2::Gdk::Color's to be allocated

Returns a list of boolean values, telling whether the color at the corresponding spot in ... could be allocated.

$colormap->free_colors (...)

•
... (list) of Gtk2::Gdk::Color's to be freed

•
$pixel (unsigned)

$colormap->rgb_find_color ($color)

•
$color (Gtk2::Gdk::Color)

Since: gtk+ 2.2

colormap = Gtk2::Gdk::Colormap->get_system

Gtk2, Glib::Object

Copyright (C) 2003-2011 by the gtk2-perl team.

This software is licensed under the LGPL. See Gtk2 for a full notice.

2017-06-24 perl v5.24.1