source: gs3-extensions/html-to-expeditee/trunk/src/perllib/CssStyleToExpAttr.pm@ 26729

Last change on this file since 26729 was 26729, checked in by davidb, 11 years ago

Now correctly accounts for bold, italic and bold-italic text.
File size: 11.7 KB
Line 
1###########################################################################
2#
3# CssStyleToExpAttr.pm --
4# A component of the Greenstone digital library software
5# from the New Zealand Digital Library Project at the
6# University of Waikato, New Zealand.
7#
8# Copyright (C) 2009 New Zealand Digital Library Project
9#
10# This program is free software; you can redistr te it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program; if not, write to the Free Software
22# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23#
24###########################################################################
25
26package CssStyleToExpAttr;
27
28my $font_generic_family_lookup = {
29 'serif' => "t", # (e.g., Times)
30 'sans-serif' => "s", # (e.g., Helvetica)
31 'cursive', => "s", # (e.g., Zapf-Chancery)
32 'fantasy' => "s", # (e.g., Western)
33 'monospace' => "m" # (e.g., Courier)
34};
35
36
37my $font_specific_family_lookup = {
38 "arial" => "sans-serif",
39 "arial black" => "sans-serif",
40 "gadget" => "sans-serif",
41 "comic sans ms" => "cursive",
42 "comic sans" => "cursive",
43 "courier" => "monospace",
44 "courier new" => "monospace",
45 "georgia" => "serif",
46 "impact" => "sans-serif",
47 "charcoal" => "sans-serif",
48 "lucida console" => "monospace",
49 "monaco" => "monospace",
50 "lucida sans unicode" => "sans-serif",
51 "lucida grande" => "sans-serif",
52 "palatino linotype" => "serif",
53 "book antiqua" => "serif",
54 "palatino" => "serif",
55 "tahoma" => "sans-serif",
56 "geneva" => "sans-serif",
57 "georgia" => "serif",
58 "times" => "serif",
59 "times new roman" => "serif",
60 "trebuchet ms" => "sans-serif",
61 "trebuchet" => "sans-serif",
62 "verdana" => "sans-serif",
63 "geneva" => "sans-serif",
64 #symbol => "symbol",
65 #webdings => "symbol",
66 #wingdings => "symbol",
67 #zapf dingbats => "symbol",
68 "ms sans serif" => "sans-serif",
69 "sans serif => sans-serif,
70 geneva" => "sans-serif",
71 "ms serif" => "serif",
72 "new york" => "serif"
73};
74
75my $UNUSED_font_specific_family_mapping = {
76 'serif' => [
77 "Times New Roman",
78 "Bodoni",
79 "Garamond",
80 "Minion Web",
81 "ITC Stone Serif",
82 "MS Georgia",
83 "Bitstream Cyberbit",
84 "Adobe Minion Cyrillic",
85 "Excelsior Cyrillic Upright",
86 "Monotype Albion 70",
87 "ER Bukinist",
88 "New Peninim",
89 "Raanana",
90 "Ryumin Light-KL",
91 "Kyokasho ICA",
92 "Futo Min A101",
93 "Lo Cicero Cherokee"
94 ],
95
96 'sans-serif' => [
97 "MS Trebuchet",
98 "ITC Avant Garde Gothic",
99 "MS Arial",
100 "MS Verdana",
101 "Univers",
102 "Futura",
103 "ITC Stone Sans",
104 "Gill Sans",
105 "Akzidenz Grotesk",
106 "Helvetica",
107 "Attika",
108 "Typiko New Era",
109 "MS Tahoma",
110 "Monotype Gill Sans 571",
111 "Helvetica Greek",
112 "Helvetica Cyrillic",
113 "ER Univers",
114 "Lucida Sans Unicode",
115 "Bastion",
116 "Arial Hebrew",
117 "Shin Go",
118 "Heisei Kaku Gothic W5"
119 ],
120 'cursive' => [
121 "Caflisch Script",
122 "Adobe Poetica",
123 "Sanvito",
124 "Ex Ponto",
125 "Snell Roundhand",
126 "Zapf-Chancery",
127 "ER Architekt",
128 "Corsiva",
129 "DecoType Naskh",
130 "Monotype Urdu 507"
131 ],
132
133 'fantasy' => [
134 "Alpha Geometrique",
135 "Critter",
136 "Cottonwood",
137 "FB Reactor",
138 "Studz"
139 ],
140
141 'monospace' => [
142 "Courier",
143 "MS Courier New",
144 "Prestige",
145 "Everson Mono",
146 "ER Kurier",
147 "Osaka Monospaced",
148 ]
149};
150
151
152
153my $font_style_lookup = {
154 'normal' => "n",
155 'italic' => "i",
156 'oblique' => 'i'
157};
158
159# Nothing that can currently be done for small-caps
160my $font_varient_lookup = {
161 'normal' => "",
162 'small-caps' => ""
163};
164
165
166my $font_weight_lookup = {
167 'normal' => "n",
168 'bold' => "n",
169 'bolder' => "b", # filler for now
170 'lighter' => "n", # filler for now
171 '100' => "n",
172 '200' => "n",
173 '300' => "b",
174 '400' => "b",
175 '500' => "b",
176 '600' => "b",
177 '700' => "b",
178 '800' => "b",
179 '900' => "b"
180};
181
182
183my $font_size_absolute = {
184 'xx-small' => 8,
185 'x-small' =>10,
186 'small' =>12,
187 'medium' =>14,
188 'large' =>16,
189 'x-large' =>18,
190 'xx-large' =>20
191};
192
193# px, em, percentage, and relative, such as larger
194
195## color, background-color
196
197my $color_name_lookup = {
198 "aliceblue" => [240,248,255],
199 "antiquewhite" => [250,235,215],
200 "aqua" => [0,255,255],
201 "aquamarine" => [127,255,212],
202 "azure" => [240,255,255],
203 "beige" => [245,245,220],
204 "bisque" => [255,228,196],
205 "black" => [0,0,0],
206 "blanchedalmond" => [255,235,205],
207 "blue" => [0,0,255],
208 "blueviolet" => [138,43,226],
209 "brown" => [165,42,42],
210 "burlywood" => [222,184,135],
211 "cadetblue" => [95,158,160],
212 "chartreuse" => [127,255,0],
213 "chocolate" => [210,105,30],
214 "coral" => [255,127,80],
215 "cornflowerblue" => [100,149,237],
216 "cornsilk" => [255,248,220],
217 "crimson" => [220,20,60],
218 "cyan" => [0,255,255],
219 "darkblue" => [0,0,139],
220 "darkcyan" => [0,139,139],
221 "darkgoldenrod" => [184,134,11],
222 "darkgray" => [169,169,169],
223 "darkgreen" => [0,100,0],
224 "darkgrey" => [169,169,169],
225 "darkkhaki" => [189,183,107],
226 "darkmagenta" => [139,0,139],
227 "darkolivegreen" => [85,107,47],
228 "darkorange" => [255,140,0],
229 "darkorchid" => [153,50,204],
230 "darkred" => [139,0,0],
231 "darksalmon" => [233,150,122],
232 "darkseagreen" => [143,188,143],
233 "darkslateblue" => [72,61,139],
234 "darkslategray" => [47,79,79],
235 "darkslategrey" => [47,79,79],
236 "darkturquoise" => [0,206,209],
237 "darkviolet" => [148,0,211],
238 "deeppink" => [255,20,147],
239 "deepskyblue" => [0,191,255],
240 "dimgray" => [105,105,105],
241 "dimgrey" => [105,105,105],
242 "dodgerblue" => [30,144,255],
243 "firebrick" => [178,34,34],
244 "floralwhite" => [255,250,240],
245 "forestgreen" => [34,139,34],
246 "fuchsia" => [255,0,255],
247 "gainsboro" => [220,220,220],
248 "ghostwhite" => [248,248,255],
249 "gold" => [255,215,0],
250 "goldenrod" => [218,165,32],
251 "gray" => [128,128,128],
252 "green" => [0,128,0],
253 "greenyellow" => [173,255,47],
254 "grey" => [128,128,128],
255 "honeydew" => [240,255,240],
256 "hotpink" => [255,105,180],
257 "indianred" => [205,92,92],
258 "indigo" => [75,0,130],
259 "ivory" => [255,255,240],
260 "khaki" => [240,230,140],
261 "lavender" => [230,230,250],
262 "lavenderblush" => [255,240,245],
263 "lawngreen" => [124,252,0],
264 "lemonchiffon" => [255,250,205],
265 "lightblue" => [173,216,230],
266 "lightcoral" => [240,128,128],
267 "lightcyan" => [224,255,255],
268 "lightgoldenrodyellow" => [250,250,210],
269 "lightgray" => [211,211,211],
270 "lightgreen" => [144,238,144],
271 "lightgrey" => [211,211,211],
272 "lightpink" => [255,182,193],
273 "lightsalmon" => [255,160,122],
274 "lightseagreen" => [32,178,170],
275 "lightskyblue" => [135,206,250],
276 "lightslategray" => [119,136,153],
277 "lightslategrey" => [119,136,153],
278 "lightsteelblue" => [176,196,222],
279 "lightyellow" => [255,255,224],
280 "lime" => [0,255,0],
281 "limegreen" => [50,205,50],
282 "linen" => [250,240,230],
283 "magenta" => [255,0,255],
284 "maroon" => [128,0,0],
285 "mediumaquamarine" => [102,205,170],
286 "mediumblue" => [0,0,205],
287 "mediumorchid" => [186,85,211],
288 "mediumpurple" => [147,112,219],
289 "mediumseagreen" => [60,179,113],
290 "mediumslateblue" => [123,104,238],
291 "mediumspringgreen" => [0,250,154],
292 "mediumturquoise" => [72,209,204],
293 "mediumvioletred" => [199,21,133],
294 "midnightblue" => [25,25,112],
295 "mintcream" => [245,255,250],
296 "mistyrose" => [255,228,225],
297 "moccasin" => [255,228,181],
298 "navajowhite" => [255,222,173],
299 "navy" => [0,0,128],
300 "oldlace" => [253,245,230],
301 "olive" => [128,128,0],
302 "olivedrab" => [107,142,35],
303 "orange" => [255,165,0],
304 "orangered" => [255,69,0],
305 "orchid" => [218,112,214],
306 "palegoldenrod" => [238,232,170],
307 "palegreen" => [152,251,152],
308 "paleturquoise" => [175,238,238],
309 "palevioletred" => [219,112,147],
310 "papayawhip" => [255,239,213],
311 "peachpuff" => [255,218,185],
312 "peru" => [205,133,63],
313 "pink" => [255,192,203],
314 "plum" => [221,160,221],
315 "powderblue" => [176,224,230],
316 "purple" => [128,0,128],
317 "red" => [255,0,0],
318 "rosybrown" => [188,143,143],
319 "royalblue" => [65,105,225],
320 "saddlebrown" => [139,69,19],
321 "salmon" => [250,128,114],
322 "sandybrown" => [244,164,96],
323 "seagreen" => [46,139,87],
324 "seashell" => [255,245,238],
325 "sienna" => [160,82,45],
326 "silver" => [192,192,192],
327 "skyblue" => [135,206,235],
328 "slateblue" => [106,90,205],
329 "slategray" => [112,128,144],
330 "slategrey" => [112,128,144],
331 "snow" => [255,250,250],
332 "springgreen" => [0,255,127],
333 "steelblue" => [70,130,180],
334 "tan" => [210,180,140],
335 "teal" => [0,128,128],
336 "thistle" => [216,191,216],
337 "tomato" => [255,99,71],
338 "turquoise" => [64,224,208],
339 "violet" => [238,130,238],
340 "wheat" => [245,222,179],
341 "white" => [255,255,255],
342 "whitesmoke" => [245,245,245],
343 "yellow" => [255,255,0],
344 "yellowgreen" => [154,205,50 ]
345};
346
347
348sub convert_font_size
349{
350 my ($css_font_size) = @_;
351
352 my $exp_font_size = undef;
353
354
355 if ($css_font_size =~ m/^(\d+(?:\.\d*))px$/) {
356 $exp_font_size = int($1);
357 }
358
359 return $exp_font_size;
360}
361
362sub convert_font_face
363{
364 my ($css_font_face) = @_;
365 my $exp_font_face = undef;
366
367 if(lc($css_font_face) eq "bold"){
368 $exp_font_face = "b";
369 }elsif(lc($css_font_face) eq "italic"){ #for now - also need to take into account italic and italic bold.
370 $exp_font_face = "i";
371 }elsif(lc($css_font_face) eq "bold-italic"){
372 $exp_font_face = "p";
373 }else{
374 $exp_font_face = "r";
375 }
376
377 return $exp_font_face;
378}
379
380
381sub convert_color
382{
383 my ($css_color) = @_;
384
385 my $exp_color;
386
387 if ($css_color =~ m/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/) {
388
389 my $r = int(100*$1/255);
390 my $g = int(100*$2/255);
391 my $b = int(100*$3/255);
392
393 print STDERR "*** r = $r, g = $g, b = $b\n";
394
395 $exp_color = "$r $g $b";
396
397 print STDERR "*** exp color = $exp_color\n";
398
399 }
400 elsif ($css_color =~ m/^transparent/i) {
401 $exp_color = undef;
402 }
403
404 return $exp_color;
405}
406
407sub convert_font_family
408{
409 my ($css_font_family) = @_;
410
411 print STDERR "*** PASSING PARAMETER css font family: ".$css_font_family."\n";
412
413 my $exp_font_family;
414
415 #use $font_specific_family_lookup and $font_generic_family_lookup
416 #to find the appropriate font family tag to output to expeditee.
417 if(defined $font_specific_family_lookup->{lc($css_font_family)}){
418 $exp_font_family = $css_font_family."_";
419 }else{
420
421 #to account for instances where a list of fonts is stored as the font family, e.g. "Arial,Segoe...Sans-Serif".
422 #just extract the first font name from this list.
423 my @font_family_vals = split(',',$css_font_family);
424
425 if(scalar(@font_family_vals) > 0){
426 $exp_font_family = $font_family_vals[0]."_";
427 }
428
429 }
430
431 return $exp_font_family;
432}
433
434sub convert_font_style
435{
436 my ($css_font_style) = @_;
437
438 my $exp_font_style;
439
440 return $exp_font_style;
441}
442
4431;
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