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.\" ========================================================================
.\"
.IX Title "Color::Library::Color 3pm"
.TH Color::Library::Color 3pm "2013-06-11" "perl v5.14.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Color::Library::Color \- Color entry for a Color::Library color dictionary
.SH "METHODS"
.IX Header "METHODS"
.ie n .IP "$id = $color\->id" 4
.el .IP "\f(CW$id\fR = \f(CW$color\fR\->id" 4
.IX Item "$id = $color->id"
Returns the id of the color
.Sp
A color id is in the format of <dictionary_id:color_name>, e.g.
.Sp
.Vb 4
\&    svg:aliceblue
\&    x11:bisque2
\&    nbs\-iscc\-f:chromeyellow.66
\&    vaccc:darkspringyellow
.Ve
.ie n .IP "$name = $color\->name" 4
.el .IP "\f(CW$name\fR = \f(CW$color\fR\->name" 4
.IX Item "$name = $color->name"
Returns the name of the color, e.g.
.Sp
.Vb 4
\&    aliceblue
\&    bisque2
\&    chromeyellow
\&    darkspringyellow
.Ve
.ie n .IP "$title = $color\->title" 4
.el .IP "\f(CW$title\fR = \f(CW$color\fR\->title" 4
.IX Item "$title = $color->title"
Returns the title of the color, e.g.
.Sp
.Vb 4
\&    aliceblue
\&    bisque2
\&    chrome yellow
\&    Dark Spring\-Yellow
.Ve
.ie n .IP "$dictionary = $color\->dictionary" 4
.el .IP "\f(CW$dictionary\fR = \f(CW$color\fR\->dictionary" 4
.IX Item "$dictionary = $color->dictionary"
Returns the Color::Library::Dictionary object that the color belongs to
.ie n .IP "$hex = $color\->hex" 4
.el .IP "\f(CW$hex\fR = \f(CW$color\fR\->hex" 4
.IX Item "$hex = $color->hex"
Returns the hex value of the color, e.g.
.Sp
.Vb 4
\&    ff08ff
\&    eed5b7
\&    eaa221
\&    669900
.Ve
.Sp
Note that \f(CW$hex\fR does \s-1NOT\s0 include the leading #, for that use \f(CW$color\fR\->html, \f(CW$color\fR\->css, or \f(CW$color\fR\->svg
.ie n .IP "$html = $color\->html" 4
.el .IP "\f(CW$html\fR = \f(CW$color\fR\->html" 4
.IX Item "$html = $color->html"
.PD 0
.ie n .IP "$css = $color\->css" 4
.el .IP "\f(CW$css\fR = \f(CW$color\fR\->css" 4
.IX Item "$css = $color->css"
.ie n .IP "$svg = $color\->svg" 4
.el .IP "\f(CW$svg\fR = \f(CW$color\fR\->svg" 4
.IX Item "$svg = $color->svg"
.PD
Returns the hex value of the color with a leading #, suitable for use in \s-1HTML\s0, \s-1CSS\s0, or \s-1SVG\s0 documents, e.g.
.Sp
.Vb 4
\&    #ff08ff
\&    #eed5b7
\&    #eaa221
\&    #669900
.Ve
.ie n .IP "$value = $color\->value" 4
.el .IP "\f(CW$value\fR = \f(CW$color\fR\->value" 4
.IX Item "$value = $color->value"
Returns the numeric value of the color, e.g.
.Sp
.Vb 4
\&    15792383
\&    15652279
\&    15376929
\&    6723840
.Ve
.ie n .IP "($r, $g, $b) = $color\->rgb" 4
.el .IP "($r, \f(CW$g\fR, \f(CW$b\fR) = \f(CW$color\fR\->rgb" 4
.IX Item "($r, $g, $b) = $color->rgb"
Returns r, g, and b values of the color as a 3 element list (list context), e.g.
.Sp
.Vb 1
\&    (240, 248, 255)
.Ve
.ie n .IP "$rgb = $color\->rgb" 4
.el .IP "\f(CW$rgb\fR = \f(CW$color\fR\->rgb" 4
.IX Item "$rgb = $color->rgb"
Returns r, g, and b values of the color in a 3 element array (scalar context), e.g.
.Sp
.Vb 1
\&    [ 240, 248, 255 ]
.Ve
.ie n .IP "$color = Color::Library::Color\->new( id => $id, name => $name, title => $title, value => $value )" 4
.el .IP "\f(CW$color\fR = Color::Library::Color\->new( id => \f(CW$id\fR, name => \f(CW$name\fR, title => \f(CW$title\fR, value => \f(CW$value\fR )" 4
.IX Item "$color = Color::Library::Color->new( id => $id, name => $name, title => $title, value => $value )"
.PD 0
.ie n .IP "$color = Color::Library::Color\->new( { id => $id, name => $name, title => $title, value => $value } )" 4
.el .IP "\f(CW$color\fR = Color::Library::Color\->new( { id => \f(CW$id\fR, name => \f(CW$name\fR, title => \f(CW$title\fR, value => \f(CW$value\fR } )" 4
.IX Item "$color = Color::Library::Color->new( { id => $id, name => $name, title => $title, value => $value } )"
.ie n .IP "$color = Color::Library::Color\->new( [[ $id, $name, $title, $rgb, $hex, $value ]] )" 4
.el .IP "\f(CW$color\fR = Color::Library::Color\->new( [[ \f(CW$id\fR, \f(CW$name\fR, \f(CW$title\fR, \f(CW$rgb\fR, \f(CW$hex\fR, \f(CW$value\fR ]] )" 4
.IX Item "$color = Color::Library::Color->new( [[ $id, $name, $title, $rgb, $hex, $value ]] )"
.PD
Returns a new Color::Library::Color object representing the specified color
.Sp
You probably don't want/need to call this yourself
.SS "\s-1FUNCTIONS\s0"
.IX Subsection "FUNCTIONS"
.ie n .IP "$hex = Color::Library::Color::rgb2hex( $rgb )" 4
.el .IP "\f(CW$hex\fR = Color::Library::Color::rgb2hex( \f(CW$rgb\fR )" 4
.IX Item "$hex = Color::Library::Color::rgb2hex( $rgb )"
.PD 0
.ie n .IP "$hex = Color::Library::Color::rgb2hex( $r, $g, $b )" 4
.el .IP "\f(CW$hex\fR = Color::Library::Color::rgb2hex( \f(CW$r\fR, \f(CW$g\fR, \f(CW$b\fR )" 4
.IX Item "$hex = Color::Library::Color::rgb2hex( $r, $g, $b )"
.PD
Converts an rgb value to its hex representation
.ie n .IP "$value = Color::Library::Color::rgb2value( $rgb )" 4
.el .IP "\f(CW$value\fR = Color::Library::Color::rgb2value( \f(CW$rgb\fR )" 4
.IX Item "$value = Color::Library::Color::rgb2value( $rgb )"
.PD 0
.ie n .IP "$value = Color::Library::Color::rgb2value( $r, $g, $b )" 4
.el .IP "\f(CW$value\fR = Color::Library::Color::rgb2value( \f(CW$r\fR, \f(CW$g\fR, \f(CW$b\fR )" 4
.IX Item "$value = Color::Library::Color::rgb2value( $r, $g, $b )"
.PD
Converts an rgb value to its numeric representation
.ie n .IP "$rgb = Color::Library::Color::value2rgb( $value )" 4
.el .IP "\f(CW$rgb\fR = Color::Library::Color::value2rgb( \f(CW$value\fR )" 4
.IX Item "$rgb = Color::Library::Color::value2rgb( $value )"
.PD 0
.ie n .IP "($r, $g, $b) = Color::Library::Color::value2rgb( $value )" 4
.el .IP "($r, \f(CW$g\fR, \f(CW$b\fR) = Color::Library::Color::value2rgb( \f(CW$value\fR )" 4
.IX Item "($r, $g, $b) = Color::Library::Color::value2rgb( $value )"
.PD
Converts a numeric color value to its rgb representation
.ie n .IP "($r, $g, $b) = Color::Library::Color::parse_rgb_color( $hex )" 4
.el .IP "($r, \f(CW$g\fR, \f(CW$b\fR) = Color::Library::Color::parse_rgb_color( \f(CW$hex\fR )" 4
.IX Item "($r, $g, $b) = Color::Library::Color::parse_rgb_color( $hex )"
.PD 0
.ie n .IP "($r, $g, $b) = Color::Library::Color::parse_rgb_color( $value )" 4
.el .IP "($r, \f(CW$g\fR, \f(CW$b\fR) = Color::Library::Color::parse_rgb_color( \f(CW$value\fR )" 4
.IX Item "($r, $g, $b) = Color::Library::Color::parse_rgb_color( $value )"
.PD
Makes a best effort to convert a hex or numeric color value to its rgb representation
.PP
# Partly taken from Imager/Color.pm
sub parse_rgb_color {
    return (@_) if \f(CW@_\fR == 3 && ! grep /[^\ed.+eE\-]/, \f(CW@_\fR;
    if ($_[0] =~ /^\e#?([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])$/i) {
        return (hex($1), hex($2), hex($3));
    }
    if ($_[0] =~ /^\e#?([\eda\-f])([\eda\-f])([\eda\-f])$/i) {
        return (hex($1) * 17, hex($2) * 17, hex($3) * 17);
    }
    return value2rgb \f(CW$_\fR[0] if 1 == \f(CW@_\fR && \f(CW$_\fR[0] =~ m/^\ed+$/;
}
.PP
1;
.PP
_\|_END_\|_
.PP
sub parse_rgbs_color {
    return (@_) if \f(CW@_\fR == 3 && ! grep /[^\ed.+eE\-]/, \f(CW@_\fR;
    if ($_[0] =~ /^\e#?([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])/i) {
        return (hex($1), hex($2), hex($3), hex($4));
    }
    if ($_[0] =~ /^\e#?([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])([\eda\-f][\eda\-f])/i) {
        return (hex($1), hex($2), hex($3), 255);
    }
    if ($_[0] =~ /^\e#([\eda\-f])([\eda\-f])([\eda\-f])$/i) {
        return (hex($1) * 17, hex($2) * 17, hex($3) * 17, 255);
    }
    return value2rgb \f(CW$_\fR[0] if 1 == \f(CW@_\fR;
}