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# Color.pm
#
# A package for manipulating SDL_Color *
#
# Copyright (C) 2003 David J. Goehrig
package SDL::Color;
use strict;
use SDL;
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $self;
my (%options) = @_;
verify (%options, qw/ -color -surface -pixel -r -g -b /) if $SDL::DEBUG;
if ($options{-color}) {
$self = \$options{-color};
} elsif ($options{-pixel} && $options{-surface}) {
die "SDL::Color::new requires an SDL::Surface"
unless !$SDL::DEBUG || $options{-surface}->isa("SDL::Surface");
$self = \SDL::NewColor(SDL::GetRGB(${$options{-surface}}, $options{-pixel}));
} else {
my @color;
push @color, $options{-red} || $options{-r} || 0;
push @color, $options{-green} || $options{-g} || 0;
push @color, $options{-blue} || $options{-b} || 0;
$self = \SDL::NewColor(@color);
}
die "Could not create color, ", SDL::GetError(), "\n"
unless ($$self);
bless $self,$class;
return $self;
}
sub DESTROY {
SDL::FreeColor(${$_[0]});
}
sub r {
my $self = shift;
SDL::ColorR($$self,@_);
}
sub g {
my $self = shift;
SDL::ColorG($$self,@_);
}
sub b {
my $self = shift;
SDL::ColorB($$self,@_);
}
sub pixel {
die "SDL::Color::pixel requires an SDL::Surface"
unless !$SDL::DEBUG || $_[1]->isa("SDL::Surface");
SDL::MapRGB(${$_[1]},$_[0]->r(),$_[0]->g(),$_[0]->b());
}
$SDL::Color::black = new SDL::Color -r => 0, -g => 0, -b => 0;
$SDL::Color::white = new SDL::Color -r => 255, -g => 255, -b => 255;
$SDL::Color::red = new SDL::Color -r => 255, -g => 0, -b => 0;
$SDL::Color::blue = new SDL::Color -r => 0, -g => 0, -b => 255;
$SDL::Color::green = new SDL::Color -r => 0, -g => 255, -b => 0;
$SDL::Color::purple = new SDL::Color -r => 255, -g => 0, -b => 255;
$SDL::Color::yellow = new SDL::Color -r => 255, -g => 255, -b => 0;
1;
__END__;
=pod
=head1 NAME
SDL::Color - a SDL perl extension
=head1 SYNOPSIS
$color = new SDL::Color ( -r => 0xde, -g => 0xad, -b =>c0 );
$color = new SDL::Color -surface => $app, -pixel => $app->pixel($x,$y);
$color = new SDL::Color -color => SDL::NewColor(0xff,0xaa,0xdd);
=head1 DESCRIPTION
C<SDL::Color> is a wrapper for display format independent color
representations, with the same interface as L<SDL::Color>.
=head1 AUTHOR
David J. Goehrig
=head1 SEE ALSO
L<perl> L<SDL::Surface>
=cut
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