KReport

codeean.cpp
1/* This file is part of the KDE project
2 * Copyright (C) 2001-2007 by OpenMFG, LLC (info@openmfg.com)
3 * Copyright (C) 2007-2008 by Adam Pigg (adam@piggz.co.uk)
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19/*
20 * This file contains the implementation of the Code EAN and similar
21 * formats for rendering purposes. All this code assumes a 100dpi
22 * rendering surface for it's calculations.
23 */
24
25#include <QString>
26#include <QRect>
27#include <QPen>
28#include <QBrush>
29
30#include "KReportRenderObjects.h"
31
32static const int LEFTHAND_ODD = 0;
33static const int LEFTHAND_EVEN = 1;
34static const int RIGHTHAND = 2;
35
36static const int _encodings[10][3][7] = {
37 /* LEFTHAND_ODD */ /* LEFTHAND_EVEN */ /* RIGHTHAND */
38 { { 0, 0, 0, 1, 1, 0, 1}, { 0, 1, 0, 0, 1, 1, 1 }, { 1, 1, 1, 0, 0, 1, 0 } }, // 0
39 { { 0, 0, 1, 1, 0, 0, 1}, { 0, 1, 1, 0, 0, 1, 1 }, { 1, 1, 0, 0, 1, 1, 0 } }, // 1
40 { { 0, 0, 1, 0, 0, 1, 1}, { 0, 0, 1, 1, 0, 1, 1 }, { 1, 1, 0, 1, 1, 0, 0 } }, // 2
41 { { 0, 1, 1, 1, 1, 0, 1}, { 0, 1, 0, 0, 0, 0, 1 }, { 1, 0, 0, 0, 0, 1, 0 } }, // 3
42 { { 0, 1, 0, 0, 0, 1, 1}, { 0, 0, 1, 1, 1, 0, 1 }, { 1, 0, 1, 1, 1, 0, 0 } }, // 4
43 { { 0, 1, 1, 0, 0, 0, 1}, { 0, 1, 1, 1, 0, 0, 1 }, { 1, 0, 0, 1, 1, 1, 0 } }, // 5
44 { { 0, 1, 0, 1, 1, 1, 1}, { 0, 0, 0, 0, 1, 0, 1 }, { 1, 0, 1, 0, 0, 0, 0 } }, // 6
45 { { 0, 1, 1, 1, 0, 1, 1}, { 0, 0, 1, 0, 0, 0, 1 }, { 1, 0, 0, 0, 1, 0, 0 } }, // 7
46 { { 0, 1, 1, 0, 1, 1, 1}, { 0, 0, 0, 1, 0, 0, 1 }, { 1, 0, 0, 1, 0, 0, 0 } }, // 8
47 { { 0, 0, 0, 1, 0, 1, 1}, { 0, 0, 1, 0, 1, 1, 1 }, { 1, 1, 1, 0, 1, 0, 0 } } // 9
48};
49
50static const int odd = LEFTHAND_ODD;
51static const int even = LEFTHAND_EVEN;
52
53static const int _parity[10][6] = {
54 { odd, odd, odd, odd, odd, odd }, // 0
55 { odd, odd, even, odd, even, even }, // 1
56 { odd, odd, even, even, odd, even }, // 2
57 { odd, odd, even, even, even, odd }, // 3
58 { odd, even, odd, odd, even, even }, // 4
59 { odd, even, even, odd, odd, even }, // 5
60 { odd, even, even, even, odd, odd }, // 6
61 { odd, even, odd, even, odd, even }, // 7
62 { odd, even, odd, even, even, odd }, // 8
63 { odd, even, even, odd, even, odd } // 9
64};
65
66static const int _upcparenc[10][2][6] = {
67 /* PARITY 0 */ /* PARITY 1 */
68 { { even, even, even, odd, odd, odd }, { odd, odd, odd, even, even, even } }, // 0
69 { { even, even, odd, even, odd, odd }, { odd, odd, even, odd, even, even } }, // 1
70 { { even, even, odd, odd, even, odd }, { odd, odd, even, even, odd, even } }, // 2
71 { { even, even, odd, odd, odd, even }, { odd, odd, even, even, even, odd } }, // 3
72 { { even, odd, even, even, odd, odd }, { odd, even, odd, odd, even, even } }, // 4
73 { { even, odd, odd, even, even, odd }, { odd, even, even, odd, odd, even } }, // 5
74 { { even, odd, odd, odd, even, even }, { odd, even, even, even, odd, odd } }, // 6
75 { { even, odd, even, odd, even, odd }, { odd, even, odd, even, odd, even } }, // 7
76 { { even, odd, even, odd, odd, even }, { odd, even, odd, even, even, odd } }, // 8
77 { { even, odd, odd, even, odd, even }, { odd, even, even, odd, even, odd } } // 9
78};
79
80
81
82//
83//! @todo New Renderer Functions
84////////////////////////////////////////////////////////
85
86void renderCodeEAN13(OROPage * page, const QRectF & r, const QString & _str, Qt::Alignment align)
87{
88 int val[13];
89
90 // initialize all the values just so we can be predictable
91 for (int i = 0; i < 13; ++i)
92 val[i] = -1;
93
94 // verify that the passed in string is valid
95 // if it's not either twelve or thirteen characters
96 // then it must be invalid to begin with
97 if (_str.length() != 12 && _str.length() != 13)
98 return;
99 // loop through and convert each char to a digit.
100 // if we can't convert all characters then this is
101 // an invalid number
102 for (int i = 0; i < _str.length(); ++i) {
103 val[i] = ((QChar)_str.at(i)).digitValue();
104 if (val[i] == -1)
105 return;
106 }
107
108 // calculate and append the checksum value
109 int old_sum = val[12]; // get the old check sum value (-1 if none was set)
110 int checksum = 0;
111 for (int i = 0; i < 12; ++i) {
112 checksum += val[i] * ((i % 2) ? 3 : 1);
113 }
114 checksum = (checksum % 10);
115 if (checksum) checksum = 10 - checksum;
116 val[12] = checksum;
117
118 // if we had an old checksum value and if it doesn't match what we came
119 // up with then the string must be invalid so we will bail
120 if (old_sum != -1 && old_sum != checksum)
121 return;
122
123
124 // lets determine some core attributes about this barcode
125 qreal bar_width = 1; // the width of the base unit bar 1/100 inch
126
127 // this is are mandatory minimum quiet zone
128 qreal quiet_zone = bar_width * 10;
129 if (quiet_zone < 10)
130 quiet_zone = 10;
131
132 // what kind of area do we have to work with
133 qreal draw_width = r.width();
134 qreal draw_height = r.height() - 2;
135
136 // L = 95X
137 // L length of barcode (excluding quite zone) in units same as X and I
138 // X the width of a bar (pixels in our case)
139 qreal L;
140
141 qreal X = bar_width;
142
143 L = (95.0 * X);
144
145 // now we have the actual width the barcode will be so can determine the actual
146 // size of the quiet zone (we assume we center the barcode in the given area
147 // what should we do if the area is too small????
148 // At the moment the way the code is written is we will always start at the minimum
149 // required quiet zone if we don't have enough space.... I guess we'll just have over-run
150 // to the right
151 //
152 // calculate the starting position based on the alignment option
153 // for left align we don't need to do anything as the values are already setup for it
154 if (align == Qt::AlignHCenter) {
155 qreal nqz = (draw_width - L) / 2;
156 if (nqz > quiet_zone)
157 quiet_zone = nqz;
158 } else if (align == Qt::AlignRight) {
159 quiet_zone = draw_width - (L + quiet_zone);
160 }
161 // left : do nothing
162
163 qreal pos = r.left() + quiet_zone;
164 qreal top = r.top();
165
166
167 QPen pen(Qt::NoPen);
168 QBrush brush(QColor("black"));
169
170 // render open guard
171 ORORect * rect = new ORORect();
172 rect->setPen(pen);
173 rect->setBrush(brush);
174 rect->setRect(QRectF(pos, top, bar_width, draw_height));
175 page->insertPrimitive(rect);
176
177 pos += (bar_width * 2.0);
178
179 rect = new ORORect();
180 rect->setPen(pen);
181 rect->setBrush(brush);
182 rect->setRect(QRectF(pos, top, bar_width, draw_height));
183 page->insertPrimitive(rect);
184
185 pos += bar_width;
186
187 // render first set
188 for (int i = 0; i < 6; ++i) {
189 int b = val[i+1];
190 for (int w = 0; w < 7; ++w) {
191 if (_encodings[b][_parity[val[0]][i]][w]) {
192 rect = new ORORect();
193 rect->setPen(pen);
194 rect->setBrush(brush);
195 rect->setRect(QRectF(pos, top, bar_width, draw_height - 0.07));
196 page->insertPrimitive(rect);
197 }
198 pos += bar_width;
199 }
200 }
201
202 // render center guard
203 pos += bar_width;
204
205 rect = new ORORect();
206 rect->setPen(pen);
207 rect->setBrush(brush);
208 rect->setRect(QRectF(pos, top, bar_width, draw_height));
209 page->insertPrimitive(rect);
210
211 pos += (bar_width * 2.0);
212
213 rect = new ORORect();
214 rect->setPen(pen);
215 rect->setBrush(brush);
216 rect->setRect(QRectF(pos, top, bar_width, draw_height));
217 page->insertPrimitive(rect);
218
219 pos += (bar_width * 2.0);
220
221 // render last set
222 for (int i = 0; i < 6; ++i) {
223 int b = val[i+7];
224 for (int w = 0; w < 7; ++w) {
225 if (_encodings[b][RIGHTHAND][w]) {
226 rect = new ORORect();
227 rect->setPen(pen);
228 rect->setBrush(brush);
229 rect->setRect(QRectF(pos, top, bar_width, draw_height - 0.07));
230 page->insertPrimitive(rect);
231 }
232 pos += bar_width;
233 }
234 }
235
236 // render close guard
237 rect = new ORORect();
238 rect->setPen(pen);
239 rect->setBrush(brush);
240 rect->setRect(QRectF(pos, top, bar_width, draw_height));
241 page->insertPrimitive(rect);
242
243 pos += (bar_width * 2.0);
244
245 rect = new ORORect();
246 rect->setPen(pen);
247 rect->setBrush(brush);
248 rect->setRect(QRectF(pos, top, bar_width, draw_height));
249 page->insertPrimitive(rect);
250
251 QString parstr = QString::fromLatin1("%1").arg(val[0]);
252 QString leftstr = QString().sprintf("%d%d%d%d%d%d",
253 val[1], val[2], val[3], val[4], val[5], val[6]);
254 QString rightstr = QString().sprintf("%d%d%d%d%d%d",
255 val[7], val[8], val[9], val[10], val[11], val[12]);
256 QFont font(QLatin1String("Arial"), 6);
257
258 OROTextBox * tb = new OROTextBox();
259 tb->setPosition(QPointF(r.left(), r.top() + draw_height - 0.12));
260 tb->setSize(QSizeF(quiet_zone - 0.02, 0.12));
261 tb->setFont(font);
262 tb->setText(parstr);
263 tb->setFlags(Qt::AlignRight | Qt::AlignTop);
264 page->insertPrimitive(tb);
265
266 tb = new OROTextBox();
267 tb->setPosition(QPointF(r.left() + quiet_zone + 0.03, (r.top() + draw_height) - 0.07));
268 tb->setSize(QSizeF(0.42, 0.1));
269 tb->setFont(font);
270 tb->setText(leftstr);
271 tb->setFlags(Qt::AlignHCenter | Qt::AlignTop);
272 page->insertPrimitive(tb);
273
274 tb = new OROTextBox();
275 tb->setPosition(QPointF(r.left() + quiet_zone + 0.5, (r.top() + draw_height) - 0.07));
276 tb->setSize(QSizeF(0.42, 0.1));
277 tb->setFont(font);
278 tb->setText(rightstr);
279 tb->setFlags(Qt::AlignHCenter | Qt::AlignTop);
280 page->insertPrimitive(tb);
281}
282
283void renderCodeUPCA(OROPage * page, const QRectF & r, const QString & _str, Qt::Alignment align)
284{
285 int val[13];
286
287 // initialize all the values just so we can be predictable
288 for (int i = 0; i < 13; ++i) {
289 val[i] = -1;
290 }
291
292 // verify that the passed in string is valid
293 // if it's not either twelve or thirteen characters
294 // then it must be invalid to begin with
295 if (_str.length() != 11 && _str.length() != 12)
296 return;
297 // loop through and convert each char to a digit.
298 // if we can't convert all characters then this is
299 // an invalid number
300 val[0] = 0;
301 for (int i = 0; i < _str.length(); ++i) {
302 val[i+1] = ((QChar)_str.at(i)).digitValue();
303 if (val[i+1] == -1)
304 return;
305 }
306
307 // calculate and append the checksum value
308 int old_sum = val[12]; // get the old check sum value (-1 if none was set)
309 int checksum = 0;
310 for (int i = 0; i < 12; ++i) {
311 checksum += val[i] * ((i % 2) ? 3 : 1);
312 }
313 checksum = (checksum % 10);
314 if (checksum) checksum = 10 - checksum;
315 val[12] = checksum;
316
317 // if we had an old checksum value and if it doesn't match what we came
318 // up with then the string must be invalid so we will bail
319 if (old_sum != -1 && old_sum != checksum)
320 return;
321
322 // lets determine some core attributes about this barcode
323 qreal bar_width = 1; // the width of the base unit bar
324
325 // this is are mandatory minimum quiet zone
326 qreal quiet_zone = bar_width * 10;
327 //if (quiet_zone < 10) quiet_zone = 10;
328
329 // what kind of area do we have to work with
330 qreal draw_width = r.width();
331 qreal draw_height = r.height() - 2;
332
333 // L = 95X
334 // L length of barcode (excluding quite zone) in units same as X and I
335 // X the width of a bar (pixels in our case)
336 qreal L;
337
338 qreal X = bar_width;
339
340 L = (95.0 * X);
341
342 // now we have the actual width the barcode will be so can determine the actual
343 // size of the quiet zone (we assume we center the barcode in the given area
344 // what should we do if the area is too small????
345 // At the moment the way the code is written is we will always start at the minimum
346 // required quiet zone if we don't have enough space.... I guess we'll just have over-run
347 // to the right
348 //
349 // calculate the starting position based on the alignment option
350 // for left align we don't need to do anything as the values are already setup for it
351 if (align == Qt::AlignHCenter) {
352 qreal nqz = (draw_width - L) / 2;
353 if (nqz > quiet_zone)
354 quiet_zone = nqz;
355 } else if (align == Qt::AlignRight) {
356 quiet_zone = draw_width - (L + quiet_zone);
357 }
358 // left : do nothing
359
360 qreal pos = r.left() + quiet_zone;
361 qreal top = r.top();
362
363 QPen pen(Qt::NoPen);
364 QBrush brush(QColor("black"));
365
366 // render open guard
367 ORORect * rect = new ORORect();
368 rect->setPen(pen);
369 rect->setBrush(brush);
370 rect->setRect(QRectF(pos, top, bar_width, draw_height));
371 page->insertPrimitive(rect);
372
373 pos += (bar_width * 2.0);
374
375 rect = new ORORect();
376 rect->setPen(pen);
377 rect->setBrush(brush);
378 rect->setRect(QRectF(pos, top, bar_width, draw_height));
379 page->insertPrimitive(rect);
380
381 pos += bar_width;
382
383 // render first set
384 for (int i = 0; i < 6; ++i) {
385 int b = val[i+1];
386 for (int w = 0; w < 7; ++w) {
387 if (_encodings[b][_parity[val[0]][i]][w]) {
388 rect = new ORORect();
389 rect->setPen(pen);
390 rect->setBrush(brush);
391 rect->setRect(QRectF(pos, top, bar_width, draw_height - (i == 0 ? 0 : 0.07)));
392 page->insertPrimitive(rect);
393 }
394 pos += bar_width;
395 }
396 }
397
398 // render center guard
399 pos += bar_width;
400 rect = new ORORect();
401 rect->setPen(pen);
402 rect->setBrush(brush);
403 rect->setRect(QRectF(pos, top, bar_width, draw_height));
404 page->insertPrimitive(rect);
405
406 pos += (bar_width * 2.0);
407
408 rect = new ORORect();
409 rect->setPen(pen);
410 rect->setBrush(brush);
411 rect->setRect(QRectF(pos, top, bar_width, draw_height));
412 page->insertPrimitive(rect);
413
414 pos += (bar_width * 2.0);
415
416 // render last set
417 for (int i = 0; i < 6; ++i) {
418 int b = val[i+7];
419 for (int w = 0; w < 7; ++w) {
420 if (_encodings[b][RIGHTHAND][w]) {
421 rect = new ORORect();
422 rect->setPen(pen);
423 rect->setBrush(brush);
424 rect->setRect(QRectF(pos, top, bar_width, draw_height - (i == 5 ? 0 : 0.07)));
425 page->insertPrimitive(rect);
426 }
427 pos += bar_width;
428 }
429 }
430
431 // render close guard
432 rect = new ORORect();
433 rect->setPen(pen);
434 rect->setBrush(brush);
435 rect->setRect(QRectF(pos, top, bar_width, draw_height));
436 page->insertPrimitive(rect);
437
438 pos += (bar_width * 2.0);
439
440 rect = new ORORect();
441 rect->setPen(pen);
442 rect->setBrush(brush);
443 rect->setRect(QRectF(pos, top, bar_width, draw_height));
444 page->insertPrimitive(rect);
445
446 QString parstr = QString::number(val[1]);
447 QString chkstr = QString::number(val[12]);
448 QString leftstr = QString().sprintf("%d%d%d%d%d",
449 val[2], val[3], val[4], val[5], val[6]);
450 QString rightstr = QString().sprintf("%d%d%d%d%d",
451 val[7], val[8], val[9], val[10], val[11]);
452
453 QFont font(QLatin1String("Arial"), 6);
454 KReportTextStyleData ts;
455 ts.backgroundColor = Qt::white;
456 ts.font = font;
457 ts.foregroundColor = Qt::black;
458 ts.backgroundOpacity = 100;
459 ts.alignment = Qt::AlignRight | Qt::AlignTop;
460
461 OROTextBox * tb = new OROTextBox();
462 tb->setPosition(QPointF(r.left(), r.top() + draw_height - 12));
463 tb->setSize(QSizeF(quiet_zone - 2, 12));
464 tb->setTextStyle(ts);
465 tb->setText(parstr);
466
467 page->insertPrimitive(tb);
468
469 tb = new OROTextBox();
470 tb->setPosition(QPointF(r.left() + quiet_zone + 10, (r.top() + draw_height) - 7));
471 tb->setSize(QSizeF(35, 10));
472 tb->setTextStyle(ts);
473 tb->setText(leftstr);
474 page->insertPrimitive(tb);
475
476 tb = new OROTextBox();
477 tb->setPosition(QPointF(r.left() + quiet_zone + 50, (r.top() + draw_height) - 7));
478 tb->setSize(QSizeF(35, 10));
479 tb->setTextStyle(ts);
480 tb->setText(rightstr);
481 page->insertPrimitive(tb);
482
483 tb = new OROTextBox();
484 tb->setPosition(QPointF(r.left() + quiet_zone + L + 2, (r.top() + draw_height) - 12));
485 tb->setSize(QSizeF(8, 12));
486 tb->setTextStyle(ts);
487 tb->setText(chkstr);
488 page->insertPrimitive(tb);
489}
490
491void renderCodeEAN8(OROPage * page, const QRectF & r, const QString & _str, Qt::Alignment align)
492{
493 int val[8];
494
495 // initialize all the values just so we can be predictable
496 for (int i = 0; i < 8; ++i) {
497 val[i] = -1;
498 }
499
500 // verify that the passed in string is valid
501 // if it's not either twelve or thirteen characters
502 // then it must be invalid to begin with
503 if (_str.length() != 7 && _str.length() != 8)
504 return;
505 // loop through and convert each char to a digit.
506 // if we can't convert all characters then this is
507 // an invalid number
508 for (int i = 0; i < _str.length(); ++i) {
509 val[i] = ((QChar)_str.at(i)).digitValue();
510 if (val[i] == -1)
511 return;
512 }
513
514 // calculate and append the checksum value
515 int old_sum = val[7]; // get the old check sum value (-1 if none was set)
516 int checksum = 0;
517 for (int i = 0; i < 7; ++i) {
518 checksum += val[i] * ((i % 2) ? 1 : 3);
519 }
520 checksum = (checksum % 10);
521 if (checksum) checksum = 10 - checksum;
522 val[7] = checksum;
523
524 // if we had an old checksum value and if it doesn't match what we came
525 // up with then the string must be invalid so we will bail
526 if (old_sum != -1 && old_sum != checksum)
527 return;
528
529
530 // lets determine some core attributes about this barcode
531 qreal bar_width = 1; // the width of the base unit bar
532
533 // this is are mandatory minimum quiet zone
534 qreal quiet_zone = bar_width * 10;
535 if (quiet_zone < 10)
536 quiet_zone = 10;
537
538 // what kind of area do we have to work with
539 qreal draw_width = r.width();
540 qreal draw_height = r.height() - 0.02;
541
542 // L = 60X
543 // L length of barcode (excluding quite zone) in units same as X and I
544 // X the width of a bar (pixels in our case)
545 qreal L;
546
547 qreal X = bar_width;
548
549 L = (67.0 * X);
550
551 // now we have the actual width the barcode will be so can determine the actual
552 // size of the quiet zone (we assume we center the barcode in the given area
553 // what should we do if the area is too small????
554 // At the moment the way the code is written is we will always start at the minimum
555 // required quiet zone if we don't have enough space.... I guess we'll just have over-run
556 // to the right
557 //
558 // calculate the starting position based on the alignment option
559 // for left align we don't need to do anything as the values are already setup for it
560 if (align == Qt::AlignHCenter) {
561 qreal nqz = (draw_width - L) / 2;
562 if (nqz > quiet_zone)
563 quiet_zone = nqz;
564 } else if (align == Qt::AlignRight) {
565 quiet_zone = draw_width - (L + quiet_zone);
566 }
567 // left : do nothing
568
569 qreal pos = r.left() + quiet_zone;
570 qreal top = r.top();
571
572 QPen pen(Qt::NoPen);
573 QBrush brush(QColor("black"));
574
575 // render open guard
576 ORORect * rect = new ORORect();
577 rect->setPen(pen);
578 rect->setBrush(brush);
579 rect->setRect(QRectF(pos, top, bar_width, draw_height));
580 page->insertPrimitive(rect);
581
582 pos += (bar_width * 2.0);
583
584 rect = new ORORect();
585 rect->setPen(pen);
586 rect->setBrush(brush);
587 rect->setRect(QRectF(pos, top, bar_width, draw_height));
588 page->insertPrimitive(rect);
589
590 pos += bar_width;
591
592 // render first set
593 for (int i = 0; i < 4; ++i) {
594 int b = val[i];
595 for (int w = 0; w < 7; ++w) {
596 if (_encodings[b][LEFTHAND_ODD][w]) {
597 ORORect * rect = new ORORect();
598 rect->setPen(pen);
599 rect->setBrush(brush);
600 rect->setRect(QRectF(pos, top, bar_width, draw_height - 0.06));
601 page->insertPrimitive(rect);
602 }
603 pos += bar_width;
604 }
605 }
606
607 // render center guard
608 pos += bar_width;
609
610 rect = new ORORect();
611 rect->setPen(pen);
612 rect->setBrush(brush);
613 rect->setRect(QRectF(pos, top, bar_width, draw_height));
614 page->insertPrimitive(rect);
615
616 pos += (bar_width * 2.0);
617
618 rect = new ORORect();
619 rect->setPen(pen);
620 rect->setBrush(brush);
621 rect->setRect(QRectF(pos, top, bar_width, draw_height));
622 page->insertPrimitive(rect);
623
624 pos += (bar_width * 2.0);
625
626 // render last set
627 for (int i = 0; i < 4; ++i) {
628 int b = val[i+4];
629 for (int w = 0; w < 7; ++w) {
630 if (_encodings[b][RIGHTHAND][w]) {
631 ORORect * rect = new ORORect();
632 rect->setPen(pen);
633 rect->setBrush(brush);
634 rect->setRect(QRectF(pos, top, bar_width, draw_height - 0.06));
635 page->insertPrimitive(rect);
636 }
637 pos += bar_width;
638 }
639 }
640
641 // render close guard
642 rect = new ORORect();
643 rect->setPen(pen);
644 rect->setBrush(brush);
645 rect->setRect(QRectF(pos, top, bar_width, draw_height));
646 page->insertPrimitive(rect);
647
648 pos += (bar_width * 2.0);
649
650 rect = new ORORect();
651 rect->setPen(pen);
652 rect->setBrush(brush);
653 rect->setRect(QRectF(pos, top, bar_width, draw_height));
654 page->insertPrimitive(rect);
655
656 QString leftstr = QString().sprintf("%d%d%d%d",
657 val[0], val[1], val[2], val[3]);
658 QString rightstr = QString().sprintf("%d%d%d%d",
659 val[4], val[5], val[6], val[7]);
660 QFont font(QLatin1String("Arial"), 6);
661 OROTextBox * tb = new OROTextBox();
662
663 tb->setPosition(QPointF(r.left() + quiet_zone + 0.03, (r.top() + draw_height) - 0.06));
664 tb->setSize(QSizeF(0.28, 0.10));
665 tb->setFont(font);
666 tb->setText(leftstr);
667 tb->setFlags(Qt::AlignHCenter | Qt::AlignTop);
668 page->insertPrimitive(tb);
669
670 tb = new OROTextBox();
671 tb->setPosition(QPointF(r.left() + quiet_zone + 0.36, (r.top() + draw_height) - 0.06));
672 tb->setSize(QSizeF(0.28, 0.10));
673 tb->setFont(font);
674 tb->setText(rightstr);
675 tb->setFlags(Qt::AlignHCenter | Qt::AlignTop);
676 page->insertPrimitive(tb);
677}
678
679void renderCodeUPCE(OROPage * page, const QRectF & r, const QString & _str, Qt::Alignment align)
680{
681 int val[8];
682
683 // initialize all the values just so we can be predictable
684 for (int i = 0; i < 8; ++i) {
685 val[i] = -1;
686 }
687
688 // verify that the passed in string is valid
689 // if it's not either twelve or thirteen characters
690 // then it must be invalid to begin with
691 if (_str.length() != 8)
692 return;
693 // loop through and convert each char to a digit.
694 // if we can't convert all characters then this is
695 // an invalid number
696 for (int i = 0; i < _str.length(); ++i) {
697 val[i] = ((QChar)_str.at(i)).digitValue();
698 if (val[i] == -1)
699 return;
700 }
701
702 // calculate and append the checksum value
703 // because everything is so messed up we don't calculate
704 // the checksum and require that it be passed in already
705 // however we do have to verify that the first digit is
706 // either 0 or 1 as that is our parity
707 if (val[0] != 0 && val[0] != 1)
708 return;
709
710 // lets determine some core attributes about this barcode
711 qreal bar_width = 1; // the width of the base unit bar
712
713 // this is are mandatory minimum quiet zone
714 qreal quiet_zone = bar_width * 0.10;
715 if (quiet_zone < 0.10)
716 quiet_zone = 0.10;
717
718 // what kind of area do we have to work with
719 qreal draw_width = r.width();
720 qreal draw_height = r.height() - 2;
721
722 // L = 51X
723 // L length of barcode (excluding quite zone) in units same as X and I
724 // X the width of a bar (pixels in our case)
725 qreal L;
726
727 qreal X = bar_width;
728
729 L = (51.0 * X);
730
731 // now we have the actual width the barcode will be so can determine the actual
732 // size of the quiet zone (we assume we center the barcode in the given area
733 // what should we do if the area is too small????
734 // At the moment the way the code is written is we will always start at the minimum
735 // required quiet zone if we don't have enough space.... I guess we'll just have over-run
736 // to the right
737 //
738 // calculate the starting position based on the alignment option
739 // for left align we don't need to do anything as the values are already setup for it
740 if (align == Qt::AlignHCenter) {
741 qreal nqz = (draw_width - L) / 2;
742 if (nqz > quiet_zone)
743 quiet_zone = nqz;
744 } else if (align == Qt::AlignRight) {
745 quiet_zone = draw_width - (L + quiet_zone);
746 }
747 // left : do nothing
748
749 qreal pos = r.left() + quiet_zone;
750 qreal top = r.top();
751
752 QPen pen(Qt::NoPen);
753 QBrush brush(QColor("black"));
754
755 // render open guard
756 ORORect * rect = new ORORect();
757 rect->setPen(pen);
758 rect->setBrush(brush);
759 rect->setRect(QRectF(pos, top, bar_width, draw_height));
760 page->insertPrimitive(rect);
761
762 pos += (bar_width * 2.0);
763
764 rect = new ORORect();
765 rect->setPen(pen);
766 rect->setBrush(brush);
767 rect->setRect(QRectF(pos, top, bar_width, draw_height));
768 page->insertPrimitive(rect);
769
770 pos += bar_width;
771
772 // render first set
773 for (int i = 0; i < 6; ++i) {
774 int b = val[i+1];
775 for (int w = 0; w < 7; ++w) {
776 if (_encodings[b][_upcparenc[val[7]][val[0]][i]][w]) {
777 rect = new ORORect();
778 rect->setPen(pen);
779 rect->setBrush(brush);
780 rect->setRect(QRectF(pos, top, bar_width, draw_height - 7));
781 page->insertPrimitive(rect);
782 }
783 pos += bar_width;
784 }
785 }
786
787 // render center guard
788 pos += bar_width;
789
790 rect = new ORORect();
791 rect->setPen(pen);
792 rect->setBrush(brush);
793 rect->setRect(QRectF(pos, top, bar_width, draw_height));
794 page->insertPrimitive(rect);
795
796 pos += (bar_width * 2.0);
797
798 rect = new ORORect();
799 rect->setPen(pen);
800 rect->setBrush(brush);
801 rect->setRect(QRectF(pos, top, bar_width, draw_height));
802 page->insertPrimitive(rect);
803
804 pos += (bar_width * 2.0);
805
806 // render close guard
807
808 rect = new ORORect();
809 rect->setPen(pen);
810 rect->setBrush(brush);
811 rect->setRect(QRectF(pos, top, bar_width, draw_height));
812 page->insertPrimitive(rect);
813
814 QString parstr = QString::number(val[0]);
815 QString chkstr = QString::number(val[7]);
816 QString leftstr = QString().sprintf("%d%d%d%d%d%d",
817 val[1], val[2], val[3], val[4], val[5], val[6]);
818 QFont font(QLatin1String("Arial"), 6);
819 KReportTextStyleData ts;
820 ts.backgroundColor = Qt::white;
821 ts.font = font;
822 ts.foregroundColor = Qt::black;
823 ts.backgroundOpacity = 100;
824 ts.alignment = Qt::AlignRight | Qt::AlignTop;
825
826 OROTextBox * tb = new OROTextBox();
827 tb->setPosition(QPointF(r.left(), r.top() + draw_height - 12));
828 tb->setSize(QSizeF(quiet_zone - 2, 12));
829 tb->setTextStyle(ts);
830 tb->setText(parstr);
831 page->insertPrimitive(tb);
832
833 tb = new OROTextBox();
834 tb->setPosition(QPointF(r.left() + quiet_zone + 3, (r.top() + draw_height) - 7));
835 tb->setSize(QSizeF(42, 10));
836 tb->setTextStyle(ts);
837 tb->setText(leftstr);
838 page->insertPrimitive(tb);
839
840 tb = new OROTextBox();
841 tb->setPosition(QPointF(r.left() + quiet_zone + L + 2, r.top() + draw_height - 12));
842 tb->setSize(QSizeF(8, 12));
843 tb->setTextStyle(ts);
844 tb->setText(chkstr);
845 page->insertPrimitive(tb);
846}
OROPage
Represents a single page in a document and may contain zero or more OROPrimitive objects all of which...
Definition KReportRenderObjects.h:168
ORORect
Defines a rectangle.
Definition KReportRenderObjects.h:380
OROTextBox
A text box primitive it defines a box region and text that will be rendered inside that region,...
Definition KReportRenderObjects.h:264
QRectF::height
qreal height() const const
QRectF::left
qreal left() const const
QRectF::top
qreal top() const const
QRectF::width
qreal width() const const
QString::arg
QString arg(Args &&... args) const const
QString::at
const QChar at(qsizetype position) const const
QString::fromLatin1
QString fromLatin1(QByteArrayView str)
QString::length
qsizetype length() const const
QString::number
QString number(double n, char format, int precision)
Qt::Alignment
typedef Alignment
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