Commit | Line | Data |
37503827 |
1 | package SQL::Translator::Producer::Diagram; |
2 | |
44659089 |
3 | # ------------------------------------------------------------------- |
4 | # Copyright (C) 2002-2009 SQLFairy Authors |
5 | # |
6 | # This program is free software; you can redistribute it and/or |
7 | # modify it under the terms of the GNU General Public License as |
8 | # published by the Free Software Foundation; version 2. |
9 | # |
10 | # This program is distributed in the hope that it will be useful, but |
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | # General Public License for more details. |
14 | # |
15 | # You should have received a copy of the GNU General Public License |
16 | # along with this program; if not, write to the Free Software |
17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
18 | # 02111-1307 USA |
19 | # ------------------------------------------------------------------- |
20 | |
e966b2b0 |
21 | =head1 NAME |
22 | |
23 | SQL::Translator::Producer::Diagram - ER diagram producer for SQL::Translator |
24 | |
25 | =head1 SYNOPSIS |
26 | |
27 | Use via SQL::Translator: |
28 | |
29 | use SQL::Translator; |
30 | |
9d4a26be |
31 | my $t = SQL::Translator->new( |
32 | from => 'MySQL', |
33 | to => 'GraphViz', |
34 | producer_args => { |
35 | # All args are optional |
36 | out_file => 'schema.png',# if not provided will go to STDOUT |
37 | output_type => 'png', # is default or 'jpeg' |
38 | title => 'My Schema', # default is filename |
39 | font_size => 'medium', # is default or 'small,' 'large' |
40 | imap_file => '', # filename to write image map coords |
41 | imap_url => '', # base URL for image map |
42 | gutter => 30 # is default, px distance b/w cols |
43 | num_columns => 5, # the number of columns |
44 | no_lines => 1, # do not draw lines to show FKs |
45 | add_color => 1, # give it some color |
46 | show_fk_only => 1, # show only fields used in FKs |
47 | join_pk_only => 1, # use only primary keys to figure PKs |
48 | natural_join => 1, # intuit FKs if not defined |
49 | skip_fields => [...], # list* of field names to exclude |
50 | skip_tables => [...], # list* of table names to exclude |
51 | skip_tables_like => [...], # list* of regexen to exclude tables |
52 | } |
53 | ) or die SQL::Translator->error; |
e966b2b0 |
54 | $t->translate; |
55 | |
9d4a26be |
56 | * "list" can be either an array-ref or a comma-separated string |
57 | |
e966b2b0 |
58 | =cut |
59 | |
37503827 |
60 | use strict; |
61 | use GD; |
62 | use Data::Dumper; |
761fa621 |
63 | use SQL::Translator::Schema::Constants; |
37503827 |
64 | use SQL::Translator::Utils qw(debug); |
65 | |
da06ac74 |
66 | use vars qw[ $VERSION $DEBUG ]; |
11ad2df9 |
67 | $VERSION = '1.59'; |
37503827 |
68 | $DEBUG = 0 unless defined $DEBUG; |
69 | |
70 | use constant VALID_FONT_SIZE => { |
71 | small => 1, |
72 | medium => 1, |
73 | large => 1, |
74 | huge => 1, |
75 | }; |
76 | |
77 | use constant VALID_IMAGE_TYPE => { |
78 | png => 1, |
79 | jpeg => 1, |
80 | }; |
81 | |
82 | sub produce { |
761fa621 |
83 | my $t = shift; |
84 | my $schema = $t->schema; |
37503827 |
85 | my $args = $t->producer_args; |
86 | local $DEBUG = $t->debug; |
761fa621 |
87 | debug("Schema =\n", Dumper( $schema )); |
37503827 |
88 | debug("Producer args =\n", Dumper( $args )); |
89 | |
6a20798b |
90 | my $out_file = $args->{'out_file'} || ''; |
9d4a26be |
91 | my $output_type = $args->{'output_type'} || 'png'; |
6a20798b |
92 | my $title = $args->{'title'} || $t->filename; |
93 | my $font_size = $args->{'font_size'} || 'medium'; |
94 | my $imap_file = $args->{'imap_file'} || ''; |
95 | my $imap_url = $args->{'imap_url'} || ''; |
01a182ab |
96 | my $gutter = $args->{'gutter'} || 30; # distance b/w columns |
9d4a26be |
97 | my $num_columns = $args->{'num_columns'} || $args->{'no_columns'} || ''; |
37503827 |
98 | my $no_lines = $args->{'no_lines'}; |
99 | my $add_color = $args->{'add_color'}; |
100 | my $show_fk_only = $args->{'show_fk_only'}; |
101 | my $join_pk_only = $args->{'join_pk_only'}; |
102 | my $natural_join = $args->{'natural_join'} || $join_pk_only; |
9d4a26be |
103 | my %skip_field = map { $_, 1 } ( |
104 | ref $args->{'skip_fields'} eq 'ARRAY' |
105 | ? @{ $args->{'skip_fields'} } |
106 | : split ( /\s*,\s*/, $args->{'skip_fields'} ) |
107 | ); |
108 | |
109 | my %skip_table = map { $_, 1 } ( |
110 | ref $args->{'skip_tables'} eq 'ARRAY' |
111 | ? @{ $args->{'skip_tables'} } |
112 | : split ( /\s*,\s*/, $args->{'skip_tables'} ) |
113 | ); |
114 | |
115 | my @skip_tables_like = map { qr/$_/ } ( |
116 | ref $args->{'skip_tables_like'} eq 'ARRAY' |
117 | ? @{ $args->{'skip_tables_like'} } |
118 | : split ( /\s*,\s*/, $args->{'skip_tables_like'} ) |
119 | ); |
761fa621 |
120 | |
dcac44eb |
121 | my @table_names; |
122 | if ( $natural_join ) { |
123 | $schema->make_natural_joins( |
124 | join_pk_only => $join_pk_only, |
125 | skip_fields => $args->{'skip_fields'}, |
126 | ); |
127 | |
128 | my $g = $schema->as_graph_pm; |
129 | my $d = Graph::Traversal::DFS->new( $g, next_alphabetic => 1 ); |
130 | $d->preorder; |
131 | |
132 | @table_names = $d->dfs; |
133 | } |
134 | else { |
135 | @table_names = map { $_->name } $schema->get_tables; |
136 | } |
37503827 |
137 | |
7652721a |
138 | die "Invalid image type '$output_type'" |
9d4a26be |
139 | unless VALID_IMAGE_TYPE->{ $output_type }; |
37503827 |
140 | die "Invalid font size '$font_size'" |
141 | unless VALID_FONT_SIZE->{ $font_size }; |
142 | |
143 | # |
144 | # Layout the image. |
145 | # |
dcac44eb |
146 | my $font |
147 | = $font_size eq 'small' ? gdTinyFont |
148 | : $font_size eq 'medium' ? gdSmallFont |
149 | : $font_size eq 'large' ? gdLargeFont |
150 | : gdGiantFont; |
151 | |
9d4a26be |
152 | my $num_tables = scalar @table_names; |
153 | $num_columns = 0 unless $num_columns =~ /^\d+$/; |
154 | $num_columns ||= sprintf( "%.0f", sqrt( $num_tables ) + .5 ); |
155 | $num_columns ||= .5; |
156 | my $no_per_col = sprintf( "%.0f", $num_tables/$num_columns + .5 ); |
37503827 |
157 | |
158 | my @shapes; |
159 | my ( $max_x, $max_y ); # the furthest x and y used |
160 | my $orig_y = 40; # used to reset y for each column |
161 | my ( $x, $y ) = (30,$orig_y); # where to start |
162 | my $cur_col = 1; # the current column |
163 | my $no_this_col = 0; # number of tables in current column |
164 | my $this_col_x = $x; # current column's x |
37503827 |
165 | my %nj_registry; # for locations of fields for natural joins |
166 | my @fk_registry; # for locations of fields for foreign keys |
167 | my %table_x; # for max x of each table |
168 | my $field_no; # counter to give distinct no. to each field |
761fa621 |
169 | my %coords; # holds fields coordinates |
6a20798b |
170 | my @imap_coords; # for making clickable image map |
37503827 |
171 | my %legend; |
172 | |
9d4a26be |
173 | TABLE: |
dcac44eb |
174 | for my $table_name ( @table_names ) { |
175 | my $table = $schema->get_table( $table_name ); |
9d4a26be |
176 | |
177 | if ( @skip_tables_like or keys %skip_table ) { |
178 | next TABLE if $skip_table{ $table_name }; |
179 | for my $regex ( @skip_tables_like ) { |
180 | next TABLE if $table_name =~ $regex; |
181 | } |
182 | } |
183 | |
dcac44eb |
184 | my $top = $y; |
37503827 |
185 | push @shapes, |
186 | [ 'string', $font, $this_col_x, $y, $table_name, 'black' ]; |
37503827 |
187 | $y += $font->height + 2; |
188 | my $below_table_name = $y; |
189 | $y += 2; |
190 | my $this_max_x = |
191 | $this_col_x + ($font->width * length($table_name)); |
192 | |
193 | debug("Processing table '$table_name'"); |
194 | |
761fa621 |
195 | my @fields = $table->get_fields; |
196 | debug("Fields = ", join(', ', map { $_->name } @fields)); |
37503827 |
197 | |
60dcc980 |
198 | my ( @fld_desc, $max_name, $max_desc ); |
37503827 |
199 | for my $f ( @fields ) { |
761fa621 |
200 | my $name = $f->name or next; |
201 | my $is_pk = $f->is_primary_key; |
37503827 |
202 | |
60dcc980 |
203 | my @attr; |
204 | |
37503827 |
205 | # |
206 | # Decide if we should skip this field. |
207 | # |
208 | if ( $show_fk_only ) { |
761fa621 |
209 | next unless $is_pk || $f->is_foreign_key; |
37503827 |
210 | } |
211 | |
212 | if ( $is_pk ) { |
60dcc980 |
213 | push @attr, 'PK'; |
214 | $legend{'Primary key'} = '[PK]'; |
37503827 |
215 | } |
cd9ccb3e |
216 | |
217 | if ( $f->is_unique ) { |
60dcc980 |
218 | push @attr, 'U'; |
37503827 |
219 | $legend{'Unique constraint'} = '[U]'; |
220 | } |
221 | |
60dcc980 |
222 | if ( $f->is_foreign_key ) { |
223 | push @attr, 'FK'; |
224 | $legend{'Foreign Key'} = '[FK]'; |
225 | } |
226 | |
227 | my $attr = ''; |
228 | if ( @attr ) { |
229 | $attr .= '[' . join(', ', @attr) . ']'; |
230 | } |
231 | |
761fa621 |
232 | my $desc = $f->data_type; |
60dcc980 |
233 | $desc .= '('.$f->size.')' if $f->size && |
234 | $f->data_type =~ /^(VAR)?CHAR2?$/i; |
37503827 |
235 | |
236 | my $nlen = length $name; |
60dcc980 |
237 | my $dlen = length $desc; |
37503827 |
238 | $max_name = $nlen if $nlen > $max_name; |
60dcc980 |
239 | $max_desc = $dlen if $dlen > $max_desc; |
240 | push @fld_desc, [ $name, $desc, $f->{'name'}, $is_pk, $attr ]; |
37503827 |
241 | } |
242 | |
60dcc980 |
243 | $max_name += 2; |
244 | $max_desc += 2; |
37503827 |
245 | for my $fld_desc ( @fld_desc ) { |
60dcc980 |
246 | my ( $name, $desc, $orig_name, $is_pk, $attr ) = @$fld_desc; |
247 | my $diff1 = $max_name - length $name; |
248 | my $diff2 = $max_desc - length $desc; |
249 | $name .= ' ' x $diff1; |
250 | $desc .= ' ' x $diff2; |
251 | $desc = $name . $desc . $attr; |
37503827 |
252 | |
253 | push @shapes, [ 'string', $font, $this_col_x, $y, $desc, 'black' ]; |
254 | $y += $font->height + 2; |
255 | my $length = $this_col_x + ( $font->width * length( $desc ) ); |
256 | $this_max_x = $length if $length > $this_max_x; |
257 | |
258 | my $constraints = $table->{'fields'}{ $orig_name }{'constraints'}; |
259 | |
9d4a26be |
260 | if ( $natural_join && !$skip_field{ $orig_name } ) { |
37503827 |
261 | push @{ $nj_registry{ $orig_name } }, $table_name; |
262 | } |
37503827 |
263 | |
264 | my $y_link = $y - $font->height/2; |
761fa621 |
265 | $coords{ $table_name }{ $orig_name }{'coords'} = { |
37503827 |
266 | left => [ $this_col_x - 6, $y_link ], |
267 | right => [ $length + 2 , $y_link ], |
268 | table => $table_name, |
269 | field_no => ++$field_no, |
270 | is_pk => $is_pk, |
271 | fld_name => $orig_name, |
272 | }; |
6a20798b |
273 | |
274 | push @imap_coords, [ |
275 | $imap_url."#$table_name-$orig_name", |
276 | $this_col_x, $y - $font->height, $length, $y_link, |
277 | ]; |
37503827 |
278 | } |
279 | |
761fa621 |
280 | unless ( $natural_join ) { |
281 | for my $c ( $table->get_constraints ) { |
282 | next unless $c->type eq FOREIGN_KEY; |
283 | my $fk_table = $c->reference_table or next; |
284 | |
285 | for my $field_name ( $c->fields ) { |
286 | for my $fk_field ( $c->reference_fields ) { |
287 | next unless defined $schema->get_table( $fk_table ); |
288 | push @fk_registry, [ |
761fa621 |
289 | [ $fk_table , $fk_field ], |
761a28bb |
290 | [ $table_name, $field_name ], |
761fa621 |
291 | ]; |
292 | } |
293 | } |
294 | } |
295 | } |
296 | |
37503827 |
297 | $this_max_x += 5; |
298 | $table_x{ $table_name } = $this_max_x + 5; |
299 | push @shapes, [ 'line', $this_col_x - 5, $below_table_name, |
300 | $this_max_x, $below_table_name, 'black' ]; |
301 | my @bounds = ( $this_col_x - 5, $top - 5, $this_max_x, $y + 5 ); |
302 | if ( $add_color ) { |
303 | unshift @shapes, [ |
304 | 'filledRectangle', |
305 | $bounds[0], $bounds[1], |
306 | $this_max_x, $below_table_name, |
307 | 'khaki' |
308 | ]; |
309 | unshift @shapes, [ 'filledRectangle', @bounds, 'white' ]; |
310 | } |
6a20798b |
311 | |
312 | push @imap_coords, [ |
313 | $imap_url."#$table_name", |
314 | $bounds[0], $bounds[1], $this_max_x, $below_table_name, |
315 | ]; |
316 | |
37503827 |
317 | push @shapes, [ 'rectangle', @bounds, 'black' ]; |
318 | $max_x = $this_max_x if $this_max_x > $max_x; |
319 | $y += 25; |
320 | |
321 | if ( ++$no_this_col == $no_per_col ) {# if we've filled up this column |
322 | $cur_col++; # up the column number |
323 | $no_this_col = 0; # reset the number of tables |
324 | $max_x += $gutter; # push the x over for next column |
325 | $this_col_x = $max_x; # remember the max x for this col |
326 | $max_y = $y if $y > $max_y; # note the max y |
327 | $y = $orig_y; # reset the y for next column |
328 | } |
329 | } |
330 | |
331 | # |
332 | # Connect the lines. |
333 | # |
334 | my %horz_taken; |
335 | my %done; |
336 | unless ( $no_lines ) { |
337 | my @position_bunches; |
338 | |
339 | if ( $natural_join ) { |
340 | for my $field_name ( keys %nj_registry ) { |
341 | my @positions; |
342 | my @table_names = |
343 | @{ $nj_registry{ $field_name } || [] } or next; |
344 | next if scalar @table_names == 1; |
345 | |
346 | for my $table_name ( @table_names ) { |
347 | push @positions, |
761fa621 |
348 | $coords{ $table_name }{ $field_name }{'coords'}; |
37503827 |
349 | } |
350 | |
351 | push @position_bunches, [ @positions ]; |
352 | } |
353 | } |
354 | else { |
355 | for my $pair ( @fk_registry ) { |
356 | push @position_bunches, [ |
761fa621 |
357 | $coords{$pair->[0][0]}{ $pair->[0][1] }{'coords'}, |
358 | $coords{$pair->[1][0]}{ $pair->[1][1] }{'coords'}, |
37503827 |
359 | ]; |
360 | } |
361 | } |
362 | |
363 | my $is_directed = $natural_join ? 0 : 1; |
364 | |
365 | for my $bunch ( @position_bunches ) { |
366 | my @positions = @$bunch; |
367 | |
368 | for my $i ( 0 .. $#positions ) { |
369 | my $pos1 = $positions[ $i ]; |
370 | my ( $ax, $ay ) = @{ $pos1->{'left'} || [] } or next; |
371 | my ( $bx, $by ) = @{ $pos1->{'right'} || [] } or next; |
372 | my $table1 = $pos1->{'table'}; |
373 | my $fno1 = $pos1->{'field_no'}; |
374 | my $is_pk = $pos1->{'is_pk'}; |
375 | next if $join_pk_only and !$is_pk; |
376 | |
377 | for my $j ( 0 .. $#positions ) { |
378 | my $pos2 = $positions[ $j ]; |
379 | my ( $cx, $cy ) = @{ $pos2->{'left'} || [] } or next; |
380 | my ( $dx, $dy ) = @{ $pos2->{'right'} || [] } or next; |
381 | my $table2 = $pos2->{'table'}; |
382 | my $fno2 = $pos2->{'field_no'}; |
383 | next if $table1 eq $table2; |
384 | next if $done{ $fno1 }{ $fno2 }; |
385 | next if $fno1 == $fno2; |
386 | |
387 | my @distances = (); |
388 | push @distances, [ |
389 | abs ( $ax - $cx ) + abs ( $ay - $cy ), |
390 | [ $ax, $ay, $cx, $cy ], |
391 | [ 'left', 'left' ] |
392 | ]; |
393 | push @distances, [ |
394 | abs ( $ax - $dx ) + abs ( $ay - $dy ), |
395 | [ $ax, $ay, $dx, $dy ], |
396 | [ 'left', 'right' ], |
397 | ]; |
398 | push @distances, [ |
399 | abs ( $bx - $cx ) + abs ( $by - $cy ), |
400 | [ $bx, $by, $cx, $cy ], |
401 | [ 'right', 'left' ], |
402 | ]; |
403 | push @distances, [ |
404 | abs ( $bx - $dx ) + abs ( $by - $dy ), |
405 | [ $bx, $by, $dx, $dy ], |
406 | [ 'right', 'right' ], |
407 | ]; |
408 | @distances = sort { $a->[0] <=> $b->[0] } @distances; |
409 | my $shortest = $distances[0]; |
410 | my ( $x1, $y1, $x2, $y2 ) = @{ $shortest->[1] }; |
411 | my ( $side1, $side2 ) = @{ $shortest->[2] }; |
412 | my ( $start, $end ); |
413 | my $offset = 9; |
414 | my $col1_right = $table_x{ $table1 }; |
415 | my $col2_right = $table_x{ $table2 }; |
416 | |
417 | my $diff = 0; |
418 | if ( $x1 == $x2 ) { |
419 | while ( $horz_taken{ $x1 + $diff } ) { |
420 | $diff = $side1 eq 'left' ? $diff - 2 : $diff + 2; |
421 | } |
422 | $horz_taken{ $x1 + $diff } = 1; |
423 | } |
424 | |
425 | if ( $side1 eq 'left' ) { |
426 | $start = $x1 - $offset + $diff; |
427 | } |
428 | else { |
429 | $start = $col1_right + $diff; |
430 | } |
431 | |
432 | if ( $side2 eq 'left' ) { |
433 | $end = $x2 - $offset + $diff; |
434 | } |
435 | else { |
436 | $end = $col2_right + $diff; |
437 | } |
438 | |
439 | push @shapes, |
440 | [ 'line', $x1, $y1, $start, $y1, 'cadetblue' ]; |
441 | push @shapes, |
442 | [ 'line', $start, $y1, $end, $y2, 'cadetblue' ]; |
443 | push @shapes, |
444 | [ 'line', $end, $y2, $x2, $y2, 'cadetblue' ]; |
445 | |
446 | if ( $is_directed ) { |
447 | if ( |
448 | $side1 eq 'right' && $side2 eq 'left' |
449 | || |
450 | $side1 eq 'left' && $side2 eq 'left' |
451 | ) { |
452 | push @shapes, [ |
453 | 'line', $x2 - 3, $y2 - 3, $x2, $y2, 'cadetblue' |
454 | ]; |
455 | push @shapes, [ |
456 | 'line', $x2 - 3, $y2 + 3, $x2, $y2, 'cadetblue' |
457 | ]; |
458 | push @shapes, [ |
459 | 'line', $x2 - 3, $y2 - 3, $x2 - 3, $y2 +3, |
460 | 'cadetblue' |
461 | ]; |
462 | } |
463 | else { |
464 | push @shapes, [ |
465 | 'line', $x2 + 3, $y2 - 3, $x2, $y2, 'cadetblue' |
466 | ]; |
467 | push @shapes, [ |
468 | 'line', $x2 + 3, $y2 + 3, $x2, $y2, 'cadetblue' |
469 | ]; |
470 | push @shapes, [ |
471 | 'line', $x2 + 3, $y2 - 3, $x2 + 3, $y2 +3, |
472 | 'cadetblue' |
473 | ]; |
474 | } |
475 | } |
476 | |
477 | $done{ $fno1 }{ $fno2 } = 1; |
478 | $done{ $fno2 }{ $fno1 } = 1; |
479 | } |
480 | } |
481 | } |
482 | } |
483 | |
484 | # |
485 | # Add the title, legend and signature. |
486 | # |
487 | my $large_font = gdLargeFont; |
488 | my $title_len = $large_font->width * length $title; |
489 | push @shapes, [ |
490 | 'string', $large_font, $max_x/2 - $title_len/2, 10, $title, 'black' |
491 | ]; |
492 | |
493 | if ( %legend ) { |
494 | $max_y += 5; |
495 | push @shapes, [ |
496 | 'string', $font, $x, $max_y - $font->height - 4, 'Legend', 'black' |
497 | ]; |
498 | $max_y += $font->height + 4; |
499 | |
500 | my $longest; |
501 | for my $len ( map { length $_ } values %legend ) { |
502 | $longest = $len if $len > $longest; |
503 | } |
504 | $longest += 2; |
505 | |
506 | while ( my ( $key, $shape ) = each %legend ) { |
507 | my $space = $longest - length $shape; |
508 | push @shapes, [ |
509 | 'string', $font, $x, $max_y - $font->height - 4, |
510 | join( '', $shape, ' ' x $space, $key ), 'black' |
511 | ]; |
512 | |
513 | $max_y += $font->height + 4; |
514 | } |
515 | } |
516 | |
60dcc980 |
517 | my $sig = 'Created by SQL::Translator ' . $t->version; |
37503827 |
518 | my $sig_len = $font->width * length $sig; |
519 | push @shapes, [ |
520 | 'string', $font, $max_x - $sig_len, $max_y - $font->height - 4, |
521 | $sig, 'black' |
522 | ]; |
523 | |
524 | # |
525 | # Render the image. |
526 | # |
527 | my $gd = GD::Image->new( $max_x + 30, $max_y ); |
7652721a |
528 | unless ( $gd->can( $output_type ) ) { |
529 | die "GD can't create images of type '$output_type'\n"; |
37503827 |
530 | } |
531 | my %colors = map { $_->[0], $gd->colorAllocate( @{$_->[1]} ) } ( |
532 | [ white => [ 255, 255, 255 ] ], |
533 | [ beige => [ 245, 245, 220 ] ], |
534 | [ black => [ 0, 0, 0 ] ], |
535 | [ lightblue => [ 173, 216, 230 ] ], |
536 | [ cadetblue => [ 95, 158, 160 ] ], |
537 | [ lightgoldenrodyellow => [ 250, 250, 210 ] ], |
538 | [ khaki => [ 240, 230, 140 ] ], |
539 | [ red => [ 255, 0, 0 ] ], |
540 | ); |
541 | $gd->interlaced( 'true' ); |
542 | my $background_color = $add_color ? 'lightgoldenrodyellow' : 'white'; |
543 | $gd->fill( 0, 0, $colors{ $background_color } ); |
544 | for my $shape ( @shapes ) { |
545 | my $method = shift @$shape; |
546 | my $color = pop @$shape; |
547 | $gd->$method( @$shape, $colors{ $color } ); |
548 | } |
549 | |
550 | # |
6a20798b |
551 | # Make image map. |
552 | # |
553 | debug("imap file = '$imap_file'"); |
554 | if ( $imap_file && @imap_coords ) { |
d4924f25 |
555 | open my $fh, '>', $imap_file or die "Can't write '$imap_file': $!\n"; |
6a20798b |
556 | print $fh qq[<html><body><img src="" usemap="#imap" border="0">\n]. |
557 | qq[<map name="imap">\n]; |
558 | for my $rec ( @imap_coords ) { |
559 | my $href = shift @$rec; |
560 | print $fh q[<area coords="].join(',', @$rec).qq[" href="$href">\n]; |
561 | } |
562 | print $fh qq[</body></html>]; |
563 | close $fh; |
564 | } |
565 | |
566 | # |
37503827 |
567 | # Print the image. |
568 | # |
569 | if ( $out_file ) { |
d4924f25 |
570 | open my $fh, '>', $out_file or die "Can't write '$out_file': $!\n"; |
54c61e72 |
571 | binmode $fh; |
7652721a |
572 | print $fh $gd->$output_type; |
37503827 |
573 | close $fh; |
574 | } |
575 | else { |
7652721a |
576 | return $gd->$output_type; |
37503827 |
577 | } |
578 | } |
579 | |
580 | 1; |
581 | |
977651a5 |
582 | # ------------------------------------------------------------------- |
583 | |
37503827 |
584 | =pod |
585 | |
37503827 |
586 | =head1 AUTHOR |
587 | |
d4924f25 |
588 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>. |
37503827 |
589 | |
590 | =cut |