This file is indexed.

/usr/share/perl5/Chart/Pareto.pm is in libchart-perl 2.4.4-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
## @file
# Implementation of Chart::Pareto
#
# written and maintained by
# @author Chart Group at Geodetic Fundamental Station Wettzell (Chart@fs.wettzell.de)
# @date 2012-01-06
# @version 2.4.4
#

## @class Chart::Pareto
# @brief Pareto class derived class for Chart to implement
#
package Chart::Pareto;

use Chart::Base '2.4.4';
use GD;
use Carp;
use strict;

@Chart::Pareto::ISA     = qw(Chart::Base);
$Chart::Pareto::VERSION = '2.4.4';

#>>>>>>>>>>>>>>>>>>>>>>>>>>#
#  public methods go here  #
#<<<<<<<<<<<<<<<<<<<<<<<<<<#

#>>>>>>>>>>>>>>>>>>>>>>>>>>>#
#  private methods go here  #
#<<<<<<<<<<<<<<<<<<<<<<<<<<<#

## @fn private _find_y_scale
#calculate the range with the sum dataset1. all datas has to be positiv
sub _find_y_range
{
    my $self = shift;
    my $data = $self->{'dataref'};
    my $sum  = 0;

    for ( my $i = 0 ; $i < $self->{'num_datapoints'} ; $i++ )
    {
        if ( $data->[1][$i] >= 0 )
        {
            $sum += $data->[1][$i];
        }
        else
        {
            carp "We need positiv data, if we want to draw a pareto graph!!";
            return 0;
        }
    }

    #store the sum
    $self->{'sum'} = $sum;

    #return the range
    ( 0, $sum );
}

## @fn private _sort_data
# sort the data
sub _sort_data
{
    my $self   = shift;
    my $data   = $self->{'dataref'};
    my @labels = @{ $data->[0] };
    my @values = @{ $data->[1] };

    # sort the values and their labels
    @labels = @labels[ sort { $values[$b] <=> $values[$a] } 0 .. $#labels ];
    @values = sort { $b <=> $a } @values;

    #save the sorted values and their labels
    @{ $data->[0] } = @labels;
    @{ $data->[1] } = @values;

    #finally return
    return 1;
}

## @fn private _draw_legend
#  let them know what all the pretty colors mean
sub _draw_legend
{
    my $self = shift;
    my ($length);
    my $num_dataset;

    # check to see if legend type is none..
    if ( $self->{'legend'} =~ /^none$/ )
    {
        return 1;
    }

    # check to see if they have as many labels as datasets,
    # warn them if not
    if (   ( $#{ $self->{'legend_labels'} } >= 0 )
        && ( ( scalar( @{ $self->{'legend_labels'} } ) ) != 2 ) )
    {
        carp "I need two legend labels. One for the data and one for the sum.";
    }

    # init a field to store the length of the longest legend label
    unless ( $self->{'max_legend_label'} )
    {
        $self->{'max_legend_label'} = 0;
    }

    # fill in the legend labels, find the longest one
    unless ( $self->{'legend_labels'}[0] )
    {
        $self->{'legend_labels'}[0] = "Dataset";
    }
    unless ( $self->{'legend_labels'}[1] )
    {
        $self->{'legend_labels'}[1] = "Running sum";
    }

    if ( length( $self->{'legend_labels'}[0] ) > length( $self->{'legend_labels'}[1] ) )
    {
        $self->{'max_legend_label'} = length( $self->{'legend_labels'}[0] );
    }
    else
    {
        $self->{'max_legend_label'} = length( $self->{'legend_labels'}[1] );
    }

    #set the number of datasets to 2, and store it
    $num_dataset = $self->{'num_datasets'};
    $self->{'num_datasets'} = 2;

    # different legend types
    if ( $self->{'legend'} eq 'bottom' )
    {
        $self->_draw_bottom_legend;
    }
    elsif ( $self->{'legend'} eq 'right' )
    {
        $self->_draw_right_legend;
    }
    elsif ( $self->{'legend'} eq 'left' )
    {
        $self->_draw_left_legend;
    }
    elsif ( $self->{'legend'} eq 'top' )
    {
        $self->_draw_top_legend;
    }
    else
    {
        carp "I can't put a legend there (at " . $self->{'legend'} . ")\n";
    }

    #reload the number of datasets
    $self->{'num_datasets'} = $num_dataset;

    # and return
    return 1;
}

## @fn private _draw_data
# finally get around to plotting the data
sub _draw_data
{
    my $self      = shift;
    my $data      = $self->{'dataref'};
    my $misccolor = $self->_color_role_to_index('misc');
    my ( $x1, $x2, $x3, $y1, $y2, $y3, $y1_line, $y2_line, $x1_line, $x2_line, $h, $w );
    my ( $width, $height, $delta1, $delta2,     $map,     $mod,       $cut );
    my ( $i,     $j,      $color,  $line_color, $percent, $per_label, $per_label_len );
    my $sum      = $self->{'sum'};
    my $curr_sum = 0;
    my $font     = $self->{'legend_font'};
    my $pink     = $self->{'gd_obj'}->colorAllocate( 255, 0, 255 );
    my $diff;

    # make sure we're using a real font
    unless ( ( ref($font) ) eq 'GD::Font' )
    {
        croak "The subtitle font you specified isn\'t a GD Font object";
    }

    # get the size of the font
    ( $h, $w ) = ( $font->height, $font->width );

    # init the imagemap data field if they wanted it
    if ( $self->true( $self->{'imagemap'} ) )
    {
        $self->{'imagemap_data'} = [];
    }

    # find both delta values ($delta1 for stepping between different
    # datapoint names, $delta2 for setpping between datasets for that
    # point) and the mapping constant
    $width  = $self->{'curr_x_max'} - $self->{'curr_x_min'};
    $height = $self->{'curr_y_max'} - $self->{'curr_y_min'};
    $delta1 = $width / ( $self->{'num_datapoints'} > 0 ? $self->{'num_datapoints'} : 1 );
    $diff   = ( $self->{'max_val'} - $self->{'min_val'} );
    $diff   = 1 if $diff == 0;
    $map    = $height / $diff;
    if ( $self->true( $self->{'spaced_bars'} ) )
    {
        $delta2 = $delta1 / 3;
    }
    else
    {
        $delta2 = $delta1;
    }

    # get the base x-y values
    $x1      = $self->{'curr_x_min'};
    $y1      = $self->{'curr_y_max'};
    $y1_line = $y1;
    $mod     = $self->{'min_val'};
    $x1_line = $self->{'curr_x_min'};

    # draw the bars and the lines
    $color      = $self->_color_role_to_index('dataset0');
    $line_color = $self->_color_role_to_index('dataset1');

    # draw every bar for this dataset
    for $j ( 0 .. $self->{'num_datapoints'} )
    {

        # don't try to draw anything if there's no data
        if ( defined( $data->[1][$j] ) )
        {

            #calculate the percent value for this data and the actual sum;
            $curr_sum += $data->[1][$j];
            $percent = int( $curr_sum / ( $sum || 1 ) * 100 );

            # find the bounds of the rectangle
            if ( $self->true( $self->{'spaced_bars'} ) )
            {
                $x2 = $x1 + ( $j * $delta1 ) + $delta2;
            }
            else
            {
                $x2 = $x1 + ( $j * $delta1 );
            }
            $y2 = $y1;
            $x3 = $x2 + $delta2;
            $y3 = $y1 - ( ( $data->[1][$j] - $mod ) * $map );

            #cut the bars off, if needed
            if ( $data->[1][$j] > $self->{'max_val'} )
            {
                $y3 = $y1 - ( ( $self->{'max_val'} - $mod ) * $map );
                $cut = 1;
            }
            elsif ( $data->[1][$j] < $self->{'min_val'} )
            {
                $y3 = $y1 - ( ( $self->{'min_val'} - $mod ) * $map );
                $cut = 1;
            }
            else
            {
                $cut = 0;
            }

            # draw the bar
            ## y2 and y3 are reversed in some cases because GD's fill
            ## algorithm is lame
            $self->{'gd_obj'}->filledRectangle( $x2, $y3, $x3, $y2, $color );
            if ( $self->true( $self->{'imagemap'} ) )
            {
                $self->{'imagemap_data'}->[1][$j] = [ $x2, $y3, $x3, $y2 ];
            }

            # now outline it. outline red if the bar had been cut off
            unless ($cut)
            {
                $self->{'gd_obj'}->rectangle( $x2, $y3, $x3, $y2, $misccolor );
            }
            else
            {

                $self->{'gd_obj'}->rectangle( $x2, $y3, $x3, $y2, $pink );
            }
            $x2_line = $x3;
            if ( $self->{'max_val'} >= $curr_sum )
            {

                #get the y value
                $y2_line = $y1 - ( ( $curr_sum - $mod ) * $map );

                #draw the line
                $self->{'gd_obj'}->line( $x1_line, $y1_line, $x2_line, $y2_line, $line_color );

                #draw a little rectangle at the end of the line
                $self->{'gd_obj'}->filledRectangle( $x2_line - 2, $y2_line - 2, $x2_line + 2, $y2_line + 2, $line_color );

                #draw the label for the percent value
                $per_label     = $percent . '%';
                $per_label_len = length($per_label) * $w;
                $self->{'gd_obj'}->string( $font, $x2_line - $per_label_len - 1, $y2_line - $h - 1, $per_label, $line_color );

                #update the values for next the line
                $y1_line = $y2_line;
                $x1_line = $x2_line;
            }
            else
            {

                #get the y value
                $y2_line = $y1 - ( ( $self->{'max_val'} - $mod ) * $map );

                #draw the line
                $self->{'gd_obj'}->line( $x1_line, $y1_line, $x2_line, $y2_line, $pink );

                #draw a little rectangle at the end of the line
                $self->{'gd_obj'}->filledRectangle( $x2_line - 2, $y2_line - 2, $x2_line + 2, $y2_line + 2, $pink );

                #draw the label for the percent value
                $per_label     = $percent . '%';
                $per_label_len = length($per_label) * $w;
                $self->{'gd_obj'}->string( $font, $x2_line - $per_label_len - 1, $y2_line - $h - 1, $per_label, $pink );

                #update the values for the next line
                $y1_line = $y2_line;
                $x1_line = $x2_line;
            }

        }
        else
        {
            if ( $self->true( $self->{'imagemap'} ) )
            {
                $self->{'imagemap_data'}->[1][$j] = [ undef(), undef(), undef(), undef() ];
            }
        }
    }

    # and finaly box it off
    $self->{'gd_obj'}
      ->rectangle( $self->{'curr_x_min'}, $self->{'curr_y_min'}, $self->{'curr_x_max'}, $self->{'curr_y_max'}, $misccolor );
    return;

}

## be a good module and return 1
1;