1 /**
2 *
3 * IEC16022 bar code generation
4 * Adrian Kennard, Andrews & Arnold Ltd
5 * with help from Cliff Hones on the RS coding
6 *
7 * (c) 2004 Adrian Kennard, Andrews & Arnold Ltd
8 * (c) 2006-2007 Stefan Schmidt <stefan@datenfreihafen.org>
9 *
10 * This program is free software; you can redistribute 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <ctype.h>
29 #include <string.h>
30 #include <time.h>
31 #include <popt.h>
32 #include <stdlib.h>
33 #include "image.h"
34 #include "iec16022ecc200.h"
35 #include "config.h"
36
37 // simple checked response malloc
safemalloc(int n)38 static void *safemalloc(int n)
39 {
40 void *p = malloc(n);
41 if (!p) {
42 fprintf(stderr, "Malloc(%d) failed\n", n);
43 exit(1);
44 }
45 return p;
46 }
47
48 // hex dump - bottom left pixel first
dumphex(const unsigned char * grid,int W,int H,unsigned char p)49 static void dumphex(const unsigned char *grid, int W, int H, unsigned char p)
50 {
51 int c = 0, y;
52 for (y = 0; y < H; y++) {
53 int v = 0, x, b = 128;
54 for (x = 0; x < W; x++) {
55 if (grid[y * W + x])
56 v |= b;
57 b >>= 1;
58 if (!b) {
59 printf("%02X", v ^ p);
60 v = 0;
61 b = 128;
62 c++;
63 }
64 }
65 if (b != 128) {
66 printf("%02X", v ^ p);
67 c++;
68 }
69 printf(" ");
70 c++;
71 if (c >= 80) {
72 printf("\n");
73 c = 0;
74 }
75 }
76 if (c)
77 printf("\n");
78 }
79
main(int argc,const char * argv[])80 int main(int argc, const char *argv[])
81 {
82 int flags = 0;
83 int gs1 = 0;
84 int popt_err = 0;
85 int W = 0, H = 0;
86 int ecc = 0;
87 int barcodelen = 0;
88 char *encoding = 0;
89 const char *outfile = 0;
90 const char *infile = 0;
91 char *barcode = 0;
92 const char *format = "Text";
93 const char *size = 0;
94 const char *eccstr = 0;
95 int len = 0, maxlen = 0, ecclen = 0;
96 unsigned char *grid = 0;
97 poptContext optCon; // context for parsing command-line options
98 const struct poptOption optionsTable[] = {
99 {
100 "size", 's', POPT_ARG_STRING, &size, 0, "Size", "WxH"},
101 {
102 "barcode", 'c', POPT_ARG_STRING, &barcode, 0, "Barcode",
103 "text"},
104 {
105 "ecc", 0, POPT_ARG_STRING, &eccstr, 0, "ECC",
106 "000/050/080/100/140/200"},
107 {
108 "infile", 'i', POPT_ARG_STRING, &infile, 0, "Barcode file",
109 "filename"},
110 {
111 "outfile", 'o', POPT_ARG_STRING, &outfile, 0,
112 "Output filename",
113 "filename"},
114 {
115 "encoding", 'e', POPT_ARG_STRING, &encoding, 0,
116 "Encoding template",
117 "[CTXEAB]* for ecc200 or 11/27/41/37/128/256"},
118 {
119 "format", 'f', POPT_ARGFLAG_SHOW_DEFAULT | POPT_ARG_STRING,
120 &format, 0,
121 "Output format", "Text/UTF-8/EPS/PNG/Bin/Hex/Stamp"},
122 {"gs1", 0, POPT_ARG_NONE, &gs1, 0, "Enable GS1 mode, start with FNC1", 0},
123 POPT_AUTOHELP {
124 NULL, 0, 0, NULL, 0, NULL, NULL}
125 };
126 optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
127 poptSetOtherOptionHelp(optCon, "[barcode]");
128 if ((popt_err = poptGetNextOpt(optCon)) < -1) {
129 /* an error occurred during option processing */
130 fprintf(stderr, "%s: %s\n", poptBadOption(optCon,
131 POPT_BADOPTION_NOALIAS),
132 poptStrerror(popt_err));
133 return 1;
134 }
135
136 if (poptPeekArg(optCon) && !barcode && !infile)
137 barcode = (char *)poptGetArg(optCon);
138 if (poptPeekArg(optCon) || !barcode && !infile || barcode && infile) {
139 fprintf(stderr, "Version: %s\n", PACKAGE_VERSION);
140 poptPrintUsage(optCon, stderr, 0);
141 return -1;
142 }
143 flags |= gs1 ? IEC16022_FLAG_GS1 : 0;
144 if (outfile && !freopen(outfile, "wb", stdout)) {
145 perror(outfile);
146 return 1;
147 }
148
149 if (infile) { // read from file
150 FILE *f = fopen(infile, "rb");
151 barcode = safemalloc(4001);
152 if (!f) {
153 perror(infile);
154 return 1;
155 }
156 barcodelen = fread(barcode, 1, 4000, f);
157 if (barcodelen < 0) {
158 perror(infile);
159 return 1;
160 }
161 barcode[barcodelen] = 0; // null terminate anyway
162 fclose(f);
163 } else
164 barcodelen = strlen(barcode);
165 // check parameters
166 if (size) {
167 char *x = strchr(size, 'x');
168 W = atoi(size);
169 if (x)
170 H = atoi(x + 1);
171 if (!H)
172 W = H;
173 }
174 if (eccstr)
175 ecc = atoi(eccstr);
176 if (W & 1) { // odd size
177 if (W != H || W < 9 || W > 49) {
178 fprintf(stderr, "Invalid size %dx%d\n", W, H);
179 return 1;
180 }
181 if (!eccstr) {
182 if (W >= 17)
183 ecc = 140;
184 else if (W >= 13)
185 ecc = 100;
186 else if (W >= 11)
187 ecc = 80;
188 else
189 ecc = 0;
190 }
191 if (ecc && ecc != 50 && ecc != 80 && ecc != 100 && ecc != 140 ||
192 ecc == 50 && W < 11 || ecc == 80 && W < 13 || ecc == 100
193 && W < 13 || ecc == 140 && W < 17) {
194 fprintf(stderr, "ECC%03d invalid for %dx%d\n", ecc, W,
195 H);
196 return 1;
197 }
198
199 } else if (W) { // even size
200 if (W < H) {
201 int t = W;
202 W = H;
203 H = t;
204 }
205 if (!eccstr)
206 ecc = 200;
207 if (ecc != 200) {
208 fprintf(stderr, "ECC%03d invalid for %dx%d\n", ecc, W,
209 H);
210 return 1;
211 }
212 }
213
214 else { // auto size
215 if (!eccstr)
216 // default is even sizes only unless explicit ecc set to force odd
217 // sizes
218 ecc = 200;
219 }
220
221 if (tolower(*format) == 's') { // special stamp format checks & defaults
222 if (!W)
223 W = H = 32;
224 if (ecc != 200 || W != 32 || H != 32)
225 fprintf(stderr, "Stamps must be 32x32\n");
226 if (encoding)
227 fprintf(stderr, "Stamps should use auto encoding\n");
228 else {
229 int n;
230 for (n = 0; n < barcodelen && (barcode[n] == ' ' ||
231 isdigit(barcode[n])
232 || isupper(barcode[n]));
233 n++) ;
234 if (n < barcodelen)
235 fprintf(stderr,
236 "Has invalid characters for a stamp\n");
237 else {
238 // Generate simplistic encoding rules as used by the windows app
239 // TBA - does not always match the windows app...
240 n = 0;
241 encoding = safemalloc(barcodelen + 1);
242 while (n < barcodelen) {
243 // ASCII
244 while (1) {
245 if (n == barcodelen
246 || n + 3 <= barcodelen
247 && (!isdigit(barcode[n])
248 ||
249 !isdigit(barcode
250 [n + 1])))
251 break;
252 encoding[n++] = 'A';
253 if (n < barcodelen
254 && isdigit(barcode[n - 1])
255 && isdigit(barcode[n]))
256 encoding[n++] = 'A';
257 }
258 // C40
259 while (1) {
260 int r = 0;
261 while (n + r < barcodelen
262 &&
263 isdigit(barcode[n + r]))
264 r++;
265 if (n + 3 > barcodelen
266 || r >= 6)
267 break;
268 encoding[n++] = 'C';
269 encoding[n++] = 'C';
270 encoding[n++] = 'C';
271 }
272 }
273 encoding[n] = 0;
274 //fprintf (stderr, "%s\n%s\n", barcode, encoding);
275 }
276 }
277 }
278 // processing stamps
279 if ((W & 1) || ecc < 200) { // odd sizes
280 fprintf(stderr, "Not done odd sizes yet, sorry\n");
281 } else { // even sizes
282 grid =
283 iec16022ecc200f(&W, &H, &encoding, barcodelen, barcode, &len,
284 &maxlen, &ecclen, flags);
285 }
286
287 // output
288 if (!grid || !W) {
289 fprintf(stderr, "No barcode produced\n");
290 return 1;
291 }
292 switch (tolower(*format)) {
293 case 'i': // info
294 printf("Size : %dx%d\n", W, H);
295 printf("Encoded : %d of %d bytes with %d bytes of ecc\n", len,
296 maxlen, ecclen);
297 printf("Barcode : %s\n", barcode);
298 printf("Encoding: %s\n", encoding);
299 break;
300 case 'h': // hex
301 dumphex(grid, W, H, 0);
302 break;
303 case 'b': // bin
304 {
305 int y;
306 for (y = 0; y < H; y++) {
307 int v = 0, x, b = 128;
308 for (x = 0; x < W; x++) {
309 if (grid[y * W + x])
310 v |= b;
311 b >>= 1;
312 if (!b) {
313 putchar(v);
314 v = 0;
315 b = 128;
316 }
317 }
318 if (b != 128)
319 putchar(v);
320 }
321 }
322 break;
323 case 't': // text
324 {
325 int y;
326 for (y = H - 1; y >= 0; y--) {
327 int x;
328 for (x = 0; x < W; x++)
329 printf("%c",
330 grid[W * y + x] ? '*' : ' ');
331 printf("\n");
332 }
333 }
334 break;
335 case 'u': // UTF-8
336 {
337 int y;
338 for (y = H; y >= 0; y -= 2) {
339 int x;
340 printf(" ");
341 for (x = 0; x < W; x++) {
342 static const char * const map[] = {" ", "\xe2\x96\x80", "\xe2\x96\x84", "\xe2\x96\x88" };
343 int top = 0;
344 int bottom = 0;
345 if (y < H) top = grid[W * y + x];
346 if (y > 0) bottom = grid[W * (y - 1) + x];
347 printf("%s", map[top + 2*bottom]);
348 }
349 printf("\n");
350 }
351 }
352 break;
353 case 'e': // EPS
354 printf("%%!PS-Adobe-3.0 EPSF-3.0\n"
355 "%%%%Creator: IEC16022 barcode/stamp generator\n"
356 "%%%%BarcodeData: %s\n" "%%%%BarcodeSize: %dx%d\n"
357 "%%%%BarcodeFormat: ECC200\n"
358 "%%%%DocumentData: Clean7Bit\n" "%%%%LanguageLevel: 1\n"
359 "%%%%Pages: 1\n" "%%%%BoundingBox: 0 0 %d %d\n"
360 "%%%%EndComments\n" "%%%%Page: 1 1\n"
361 "%d %d 1[1 0 0 1 -1 -1]{<\n", barcode, W, H, W + 2,
362 H + 2, W, H);
363 dumphex(grid, W, H, 0xFF);
364 printf(">}image\n");
365 break;
366 case 's': // Stamp
367 {
368 char temp[74], c;
369 time_t now;
370 struct tm t = {
371 0
372 };
373 int v;
374 if (barcodelen < 74) {
375 fprintf(stderr,
376 "Does not look like a stamp barcode\n");
377 return 1;
378 }
379 memcpy(temp, barcode, 74);
380 c = temp[5];
381 temp[56] = 0;
382 t.tm_year = atoi(temp + 54) + 100;
383 t.tm_mday = 1;
384 now = mktime(&t);
385 temp[54] = 0;
386 now += 86400 * (atoi(temp + 51) - 1);
387 t = *gmtime(&now);
388 temp[46] = 0;
389 v = atoi(temp + 36);
390 printf("%%!PS-Adobe-3.0 EPSF-3.0\n"
391 "%%%%Creator: IEC16022 barcode/stamp generator\n"
392 "%%%%BarcodeData: %s\n" "%%%%BarcodeSize: %dx%d\n" "%%%%DocumentData: Clean7Bit\n" "%%%%LanguageLevel: 1\n" "%%%%Pages: 1\n" "%%%%BoundingBox: 0 0 190 80\n" "%%%%EndComments\n" "%%%%Page: 1 1\n" "10 dict begin/f{findfont exch scalefont \
393 setfont}bind def/rm/rmoveto load def/m/moveto load \
394 def/rl/rlineto load def\n" "/l/lineto load def/cp/closepath load def/c{dup stringwidth \
395 pop -2 div 0 rmoveto show}bind def\n" "gsave 72 25.4 div dup scale 0 0 m 67 0 rl 0 28 rl -67 0 rl \
396 cp clip 1 setgray fill 0 setgray 0.5 0 translate 0.3 \
397 setlinewidth\n" "32 32 1[2 0 0 2 0 -11]{<\n", barcode, W, H);
398 dumphex(grid, W, H, 0xFF);
399 printf(">}image\n"
400 "3.25/Helvetica-Bold f 8 25.3 m(\\243%d.%02d)c\n"
401 "2.6/Helvetica f 8 22.3 m(%.4s %.4s)c\n"
402 "1.5/Helvetica f 8 3.3 m(POST BY)c\n"
403 "3.3/Helvetica f 8 0.25 m(%02d.%02d.%02d)c\n",
404 v / 100, v % 100, temp + 6, temp + 10, t.tm_mday,
405 t.tm_mon + 1, t.tm_year % 100);
406 if (c == '1' || c == '2' || c == 'A' || c == 'S') {
407 if (c == '2')
408 printf
409 ("42 0 m 10 0 rl 0 28 rl -10 0 rl cp 57 0 m 5 0 rl 0 \
410 28 rl -5 0 rl cp");
411 else
412 printf
413 ("42 0 m 5 0 rl 0 28 rl -5 0 rl cp 52 0 m 10 0 rl 0 \
414 28 rl -10 0 rl cp");
415 printf
416 (" 21 0 m 16 0 rl 0 28 rl -16 0 rl cp fill\n"
417 "21.3 0.3 m 15.4 0 rl 0 13 rl -15.4 0 rl cp 1 setgray \
418 fill gsave 21.3 0.3 15.4 27.4 rectclip newpath\n");
419 switch (c) {
420 case '1':
421 printf
422 ("27/Helvetica-Bold f 27 8.7 m(1)show grestore 0 setgray \
423 1.5/Helvetica-Bold f 22 3.3 m(POSTAGE PAID GB)show \
424 1.7/Helvetica f 29 1.5 m(DumbStamp.co.uk)c\n");
425 break;
426 case '2':
427 printf
428 ("21/Helvetica-Bold f 23.5 13 m(2)1.25 1 scale show grestore \
429 0 setgray 1.5/Helvetica-Bold f 22 3.3 \
430 m(POSTAGE PAID GB)show 1.7/Helvetica f 29 1.5 \
431 m(DumbStamp.co.uk)c\n");
432 break;
433 case 'A':
434 printf
435 ("16/Helvetica-Bold f 29 14.75 m 1.1 1 scale(A)c grestore 0 \
436 setgray 1.5/Helvetica-Bold f 22 3.3 m(POSTAGE PAID GB)show \
437 1.7/Helvetica f 22 1.5 m(Par Avion)show\n");
438 break;
439 case 'S':
440 printf
441 ("10/Helvetica-Bold f 29 17 m(SU)c grestore 0 setgray \
442 1.5/Helvetica-Bold f 22 1.5 m(POSTAGE PAID GB)show\n");
443 break;
444 }
445 printf
446 ("2.3/Helvetica-Bold f 29 10 m(LOYAL MAIL)c\n");
447 } else if (c == 'P') { // Standard Parcels
448 printf("21 0 m 41 0 rl 0 28 rl -41 0 rl cp fill\n" "37.7 0.3 m 24 0 rl 0 27.4 rl -24 0 rl cp 1 setgray fill \
449 gsave 21.3 0.3 16.4 27.4 rectclip newpath\n" "22.5/Helvetica-Bold f 37.75 -1.25 m 90 rotate(SP)show \
450 grestore 0 setgray\n"
451 "3.5/Helvetica-Bold f 49.7 21.5 m(LOYAL MAIL)c\n" "2.3/Helvetica-Bold f 49.7 7 m(POSTAGE PAID GB)c\n" "2.6/Helveica f 49.7 4.25 m(DumbStamp.co.uk)c\n");
452 } else if (c == '3')
453 printf("21.15 0.15 40.7 27.7 rectstroke\n"
454 "21 0 m 41 0 rl 0 5 rl -41 0 rl cp fill\n"
455 "0 1 2{0 1 18{dup 1.525 mul 22.9 add 24 3 index 1.525 mul \
456 add 3 -1 roll 9 add 29 div 0 360 arc fill}for pop}for\n" "50.5 23.07 m 11.5 0 rl 0 5 rl -11.5 0 rl cp fill\n"
457 "5.85/Helvetica f 23.7 15.6 m(Loyal Mail)show\n" "4.75/Helvetica-Bold f 24 11 m(special)show 4.9/Helvetica \
458 f(delivery)show\n" "gsave 1 setgray 3.2/Helvetica-Bold f 24 1.6 \
459 m(next day)show 26 10.15 m 2 0 rl stroke grestore\n" "21.15 9.9 m 53.8 9.9 l stroke 53.8 9.9 0.4 0 360 \
460 arc fill\n");
461 printf("end grestore\n");
462 }
463 break;
464 case 'p': // png
465 {
466 int x, y;
467 Image *i = ImageNew(W + 2, H + 2, 2);
468 i->Colour[0] = 0xFFFFFF;
469 i->Colour[1] = 0;
470 for (y = 0; y < H; y++)
471 for (x = 0; x < W; x++)
472 if (grid[y * W + x])
473 ImagePixel(i, x + 1, H - y) = 1;
474 ImageWritePNG(i, fileno(stdout), 0, -1, barcode);
475 ImageFree(i);
476 }
477 break;
478 default:
479 fprintf(stderr, "Unknown output format %s\n", format);
480 break;
481 }
482 return 0;
483 }
484