File Coverage

blib/lib/Spreadsheet/WriteExcel/Chart/Pie.pm

Criterion	Covered	Total	%
statement	26	34	76.4
branch			n/a
condition			n/a
subroutine	5	6	83.3
pod	0	1	0.0
total	31	41	75.6

package Spreadsheet::WriteExcel::Chart::Pie;

###############################################################################
#
# Pie - A writer class for Excel Pie charts.
#
# Used in conjunction with Spreadsheet::WriteExcel::Chart.
#
# See formatting note in Spreadsheet::WriteExcel::Chart.
#
# Copyright 2000-2010, John McNamara, [e-mail]
#
# Documentation after __END__
#

require Exporter;

use strict;
use Spreadsheet::WriteExcel::Chart;


use vars qw($VERSION @ISA);
@ISA = qw(Spreadsheet::WriteExcel::Chart Exporter);

$VERSION = '2.40';

###############################################################################
#
# new()
#
#
sub new {

    my $class = shift;
    my $self  = Spreadsheet::WriteExcel::Chart->new( @_ );

    $self->{_vary_data_color} = 1;

    bless $self, $class;
    return $self;
}


###############################################################################
#
# _store_chart_type()
#
# Implementation of the abstract method from the specific chart class.
#
# Write the Pie chart BIFF record.
#
sub _store_chart_type {

    my $self = shift;

    my $record = 0x1019;    # Record identifier.
    my $length = 0x0006;    # Number of bytes to follow.
    my $angle  = 0x0000;    # Angle.
    my $donut  = 0x0000;    # Donut hole size.
    my $grbit  = 0x0002;    # Option flags.

    my $header = pack 'vv', $record, $length;
    my $data = '';
    $data .= pack 'v', $angle;
    $data .= pack 'v', $donut;
    $data .= pack 'v', $grbit;

    $self->_append( $header, $data );
}


###############################################################################
#
# _store_axisparent_stream(). Overridden.
#
# Write the AXISPARENT chart substream.
#
# A Pie chart has no X or Y axis so we override this method to remove them.
#
sub _store_axisparent_stream {

    my $self = shift;

    $self->_store_axisparent( @{ $self->{_config}->{_axisparent} } );

    $self->_store_begin();
    $self->_store_pos( @{ $self->{_config}->{_axisparent_pos} } );

    $self->_store_chartformat_stream();
    $self->_store_end();
}


1;


__END__