FB_ALLOC_CMAP(9) Frame Buffer Library FB_ALLOC_CMAP(9)NAME
fb_alloc_cmap - allocate a colormap
SYNOPSIS
int fb_alloc_cmap(struct fb_cmap * cmap, int len, int transp);
ARGUMENTS
cmap
frame buffer colormap structure
len
length of cmap
transp
boolean, 1 if there is transparency, 0 otherwise
DESCRIPTION
Allocates memory for a colormap cmap. len is the number of entries in the palette.
Returns negative errno on error, or zero on success.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 FB_ALLOC_CMAP(9)
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Gtk2::Gdk::Colormap(3) User Contributed Perl Documentation Gtk2::Gdk::Colormap(3)NAME
Gtk2::Gdk::Colormap
DESCRIPTION
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 "$colormap->free_colors" to release those spots in
the colormap allocated by "alloc_color" and "alloc_colors".
HIERARCHY
Glib::Object
+----Gtk2::Gdk::Colormap
METHODS
colormap = Gtk2::Gdk::Colormap->new ($visual, $allocate)
o $visual (Gtk2::Gdk::Visual)
o $allocate (boolean)
boolean = $colormap->alloc_color ($color, $writeable, $best_match)
o $color (Gtk2::Gdk::Color)
o $writeable (boolean)
o $best_match (boolean)
list = $colormap->alloc_colors ($writeable, $best_match, ...)
o $writeable (boolean)
o $best_match (boolean)
o ... (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 (...)
o ... (list) of Gtk2::Gdk::Color's to be freed
color = $colormap->query_color ($pixel)
o $pixel (unsigned)
$colormap->rgb_find_color ($color)
o $color (Gtk2::Gdk::Color)
screen = $cmap->get_screen
Since: gtk+ 2.2
colormap = Gtk2::Gdk::Colormap->get_system
visual = $colormap->get_visual
SEE ALSO
Gtk2, Glib::Object
COPYRIGHT
Copyright (C) 2003-2008 by the gtk2-perl team.
This software is licensed under the LGPL. See Gtk2 for a full notice.
perl v5.12.1 2010-07-05 Gtk2::Gdk::Colormap(3)
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