02-03-2011
hi zaxxon,
no luck.even now it is not picking the value.
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LEARN ABOUT DEBIAN
chart::clicker::drawing::colorallocator
Chart::Clicker::Drawing::ColorAllocator(3pm) User Contributed Perl Documentation Chart::Clicker::Drawing::ColorAllocator(3pm)
NAME
Chart::Clicker::Drawing::ColorAllocator - Color picker
VERSION
version 2.83
SYNOPSIS
use Graphics::Color::RGB;
use Chart::Clicker::Drawing::ColorAllocator;
my $ca = Chart::Clicker::Drawing::ColorAllocator->new({
colors => [
Graphics::Color::RGB->new(
red => 1.0, green => 0, blue => 0, alpha => 1.0
),
#...
]
});
my $red = $ca->get(0);
#or let Chart::Clicker autmatically pick complementing colors for you
my $ca2 = Chart::Clicker::Drawing::ColorAllocator->new({
seed_hue => 0, #red
});
DESCRIPTION
Allocates colors for use in the chart. The position in the color allocator corresponds to the series that will be colored.
AUTOMATIC COLOR ALLOCATION
This module has the capacity to automatically allocate 96 individual colors using Color::Scheme. It does so by picking 4 hues equally
spaced in the color wheel from the "seed_hue" (0 (red) would be complimented by 270 (blue), 180 (green) and 90 (yellow)). After those
colors are allocated it moves on to picking from the colors between those ( 45, 135, 215, 305 ) etc. Once all values of "hues" have been
utilized, it repeats them using a different shade. This has the effect of generating evenly spaced complementing colors to ensure colors
are well ditinguishable from one another and have appropriate contrast.
position
Gets the current position.
ATTRIBUTES
colors
An arrayref of colors that will be used for series that Clicker draws.
color_scheme
A lazy-building Color::Scheme object used to generate the color scheme of the chart;
seed_hue
The interger value of the first hue used when computing the tetrade color scheme. Setting this will affect the hue of the first color
allocated. Subsequent colors will be allocated based on their distance from this color to maintain sifficient contrast between colors. If
not specified the seed_hue will default to 270, blue.
hues
An array reference of evenly spaced seed hues for color allocation. By default it will use the seed hue plus 0, 45, 75, 15, 60 and 30 which
is enough to cover all web-safe colors when using a tetrade color scheme.
shade_order
An array reference of the order in which the different shades of each color will be used for every color scheme generated. It defaults to
1, 3, 0, 2 for optimum color spacing.
METHODS
add_to_colors
Add a color to this allocator.
clear_colors
Clear this allocator's colors
color_count
Get the number of colors in this allocator.
get_color ($index)
Gets the color at the specified index. Returns undef if that position has no color.
next
Returns the next color. Each call to next increments the position, so subsequent calls will return different colors.
allocate_color
Determines what the next color should be.
reset
Resets this allocator back to the beginning.
AUTHOR
Cory G Watson <gphat@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Cold Hard Code, LLC.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
perl v5.14.2 2012-06-22 Chart::Clicker::Drawing::ColorAllocator(3pm)