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path: root/noncore/graphics/drawpad/drawpadcanvas.cpp
authorleseb <leseb>2002-06-06 20:51:27 (UTC)
committer leseb <leseb>2002-06-06 20:51:27 (UTC)
commit43bde653ce03f4c5202860f4e23c7612144a38f0 (patch) (unidiff)
treeaa89f01ade2667699e2d9ba69daabb9810e48c35 /noncore/graphics/drawpad/drawpadcanvas.cpp
parent38946b6ef966a154d979d7dd254cf463f6dadbe5 (diff)
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New page class, thumbnail view draft
Diffstat (limited to 'noncore/graphics/drawpad/drawpadcanvas.cpp') (more/less context) (show whitespace changes)
-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.cpp62
1 files changed, 31 insertions, 31 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 9f1e50b..79bef35 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -6,79 +6,79 @@
6 * * 6 * *
7 * This program is free software; you can redistribute it and/or modify * 7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by * 8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or * 9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. * 10 * (at your option) any later version. *
11 * * 11 * *
12 ***************************************************************************/ 12 ***************************************************************************/
13 13
14#include "drawpadcanvas.h" 14#include "drawpadcanvas.h"
15 15
16#include "drawpad.h" 16#include "drawpad.h"
17#include "newpagedialog.h" 17#include "newpagedialog.h"
18#include "page.h"
18#include "tool.h" 19#include "tool.h"
19 20
20#include <qpe/applnk.h> 21#include <qpe/applnk.h>
21#include <qpe/filemanager.h> 22#include <qpe/filemanager.h>
22#include <qpe/mimetype.h> 23#include <qpe/mimetype.h>
23 24
24#include <qbuffer.h> 25#include <qbuffer.h>
25#include <qimage.h> 26#include <qimage.h>
26#include <qmessagebox.h> 27#include <qmessagebox.h>
27#include <qpainter.h> 28#include <qpainter.h>
28#include <qpixmap.h>
29#include <qtextcodec.h> 29#include <qtextcodec.h>
30#include <qtextstream.h> 30#include <qtextstream.h>
31#include <qxml.h> 31#include <qxml.h>
32 32
33#include <zlib.h> 33#include <zlib.h>
34 34
35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler 35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler
36{ 36{
37public: 37public:
38 DrawPadCanvasXmlHandler(); 38 DrawPadCanvasXmlHandler();
39 ~DrawPadCanvasXmlHandler(); 39 ~DrawPadCanvasXmlHandler();
40 40
41 QList<QPixmap> pixmaps(); 41 QList<Page> pages();
42 42
43 bool startElement(const QString& namespaceURI, const QString& localName, 43 bool startElement(const QString& namespaceURI, const QString& localName,
44 const QString& qName, const QXmlAttributes& atts); 44 const QString& qName, const QXmlAttributes& atts);
45 bool endElement(const QString& namespaceURI, const QString& localName, 45 bool endElement(const QString& namespaceURI, const QString& localName,
46 const QString& qName); 46 const QString& qName);
47 bool characters(const QString& ch); 47 bool characters(const QString& ch);
48 48
49private: 49private:
50 enum State { 50 enum State {
51 Unknown, 51 Unknown,
52 InData 52 InData
53 }; 53 };
54 54
55 State m_state; 55 State m_state;
56 ulong m_dataLenght; 56 ulong m_dataLenght;
57 QString m_dataFormat; 57 QString m_dataFormat;
58 QList<QPixmap> m_pixmaps; 58 QList<Page> m_pages;
59}; 59};
60 60
61DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler() 61DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler()
62{ 62{
63 m_state = Unknown; 63 m_state = Unknown;
64} 64}
65 65
66DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() 66DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler()
67{ 67{
68} 68}
69 69
70QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps() 70QList<Page> DrawPadCanvasXmlHandler::pages()
71{ 71{
72 return m_pixmaps; 72 return m_pages;
73} 73}
74 74
75bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName, 75bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName,
76 const QString& qName, const QXmlAttributes& atts) 76 const QString& qName, const QXmlAttributes& atts)
77{ 77{
78 Q_CONST_UNUSED(namespaceURI) 78 Q_CONST_UNUSED(namespaceURI)
79 Q_CONST_UNUSED(localName) 79 Q_CONST_UNUSED(localName)
80 80
81 if (qName.compare("data") == 0) { 81 if (qName.compare("data") == 0) {
82 m_state = InData; 82 m_state = InData;
83 m_dataLenght = atts.value("length").toULong(); 83 m_dataLenght = atts.value("length").toULong();
84 m_dataFormat = atts.value("format"); 84 m_dataFormat = atts.value("format");
@@ -138,27 +138,27 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch)
138 if (m_dataLenght < ch.length() * 5) { 138 if (m_dataLenght < ch.length() * 5) {
139 m_dataLenght = ch.length() * 5; 139 m_dataLenght = ch.length() * 5;
140 } 140 }
141 141
142 QByteArray byteArrayUnzipped(m_dataLenght); 142 QByteArray byteArrayUnzipped(m_dataLenght);
143 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size()); 143 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size());
144 144
145 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat); 145 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat);
146 } else { 146 } else {
147 image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat); 147 image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat);
148 } 148 }
149 149
150 QPixmap* pixmap = new QPixmap(image.width(), image.height()); 150 Page* page = new Page(image.width(), image.height());
151 pixmap->convertFromImage(image); 151 page->convertFromImage(image);
152 m_pixmaps.append(pixmap); 152 m_pages.append(page);
153 } 153 }
154 154
155 return true; 155 return true;
156} 156}
157 157
158DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) 158DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name)
159 : QScrollView(parent, name) 159 : QScrollView(parent, name)
160{ 160{
161 m_pDrawPad = drawPad; 161 m_pDrawPad = drawPad;
162 m_pages.setAutoDelete(true); 162 m_pages.setAutoDelete(true);
163 m_pageBackups.setAutoDelete(true); 163 m_pageBackups.setAutoDelete(true);
164 164
@@ -172,65 +172,65 @@ DrawPadCanvas::~DrawPadCanvas()
172void DrawPadCanvas::load(QIODevice* ioDevice) 172void DrawPadCanvas::load(QIODevice* ioDevice)
173{ 173{
174 QTextStream textStream(ioDevice); 174 QTextStream textStream(ioDevice);
175 textStream.setCodec(QTextCodec::codecForName("UTF-8")); 175 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
176 176
177 QXmlInputSource xmlInputSource(textStream); 177 QXmlInputSource xmlInputSource(textStream);
178 QXmlSimpleReader xmlSimpleReader; 178 QXmlSimpleReader xmlSimpleReader;
179 DrawPadCanvasXmlHandler drawPadCanvasXmlHandler; 179 DrawPadCanvasXmlHandler drawPadCanvasXmlHandler;
180 180
181 xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler); 181 xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler);
182 xmlSimpleReader.parse(xmlInputSource); 182 xmlSimpleReader.parse(xmlInputSource);
183 183
184 m_pages = drawPadCanvasXmlHandler.pixmaps(); 184 m_pages = drawPadCanvasXmlHandler.pages();
185 185
186 if (m_pages.isEmpty()) { 186 if (m_pages.isEmpty()) {
187 m_pages.append(new QPixmap(contentsRect().size())); 187 m_pages.append(new Page(contentsRect().size()));
188 m_pages.current()->fill(Qt::white); 188 m_pages.current()->fill(Qt::white);
189 } 189 }
190 190
191 m_pageBackups.clear(); 191 m_pageBackups.clear();
192 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 192 m_pageBackups.append(new Page(*(m_pages.current())));
193 193
194 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 194 resizeContents(m_pages.current()->width(), m_pages.current()->height());
195 viewport()->update(); 195 viewport()->update();
196 196
197 emit pagesChanged(); 197 emit pagesChanged();
198 emit pageBackupsChanged(); 198 emit pageBackupsChanged();
199} 199}
200 200
201void DrawPadCanvas::initialPage() 201void DrawPadCanvas::initialPage()
202{ 202{
203 m_pages.append(new QPixmap(236, 232)); 203 m_pages.append(new Page(236, 232));
204 m_pages.current()->fill(Qt::white); 204 m_pages.current()->fill(Qt::white);
205 205
206 m_pageBackups.clear(); 206 m_pageBackups.clear();
207 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 207 m_pageBackups.append(new Page(*(m_pages.current())));
208 208
209 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 209 resizeContents(m_pages.current()->width(), m_pages.current()->height());
210 viewport()->update(); 210 viewport()->update();
211 211
212 emit pagesChanged(); 212 emit pagesChanged();
213 emit pageBackupsChanged(); 213 emit pageBackupsChanged();
214} 214}
215 215
216void DrawPadCanvas::save(QIODevice* ioDevice) 216void DrawPadCanvas::save(QIODevice* ioDevice)
217{ 217{
218 QTextStream textStream(ioDevice); 218 QTextStream textStream(ioDevice);
219 textStream.setCodec(QTextCodec::codecForName("UTF-8")); 219 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
220 220
221 textStream << "<drawpad>" << endl; 221 textStream << "<drawpad>" << endl;
222 textStream << " <images>" << endl; 222 textStream << " <images>" << endl;
223 223
224 QListIterator<QPixmap> bufferIterator(m_pages); 224 QListIterator<Page> bufferIterator(m_pages);
225 225
226 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { 226 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) {
227 textStream << " <image>" << endl; 227 textStream << " <image>" << endl;
228 228
229 QImage image = bufferIterator.current()->convertToImage(); 229 QImage image = bufferIterator.current()->convertToImage();
230 QByteArray byteArray; 230 QByteArray byteArray;
231 QBuffer buffer(byteArray); 231 QBuffer buffer(byteArray);
232 QImageIO imageIO(&buffer, "PNG"); 232 QImageIO imageIO(&buffer, "PNG");
233 233
234 buffer.open(IO_WriteOnly); 234 buffer.open(IO_WriteOnly);
235 imageIO.setImage(image); 235 imageIO.setImage(image);
236 imageIO.write(); 236 imageIO.write();
@@ -247,31 +247,31 @@ void DrawPadCanvas::save(QIODevice* ioDevice)
247 } 247 }
248 248
249 textStream << "</data>" << endl; 249 textStream << "</data>" << endl;
250 textStream << " </image>" << endl; 250 textStream << " </image>" << endl;
251 } 251 }
252 252
253 textStream << " </images>" << endl; 253 textStream << " </images>" << endl;
254 textStream << "</drawpad>"; 254 textStream << "</drawpad>";
255} 255}
256 256
257void DrawPadCanvas::importPage(const QString& fileName) 257void DrawPadCanvas::importPage(const QString& fileName)
258{ 258{
259 QPixmap* importedPixmap = new QPixmap(); 259 Page* importedPage = new Page();
260 260
261 importedPixmap->load(fileName); 261 importedPage->load(fileName);
262 m_pages.insert(m_pages.at() + 1, importedPixmap); 262 m_pages.insert(m_pages.at() + 1, importedPage);
263 263
264 m_pageBackups.clear(); 264 m_pageBackups.clear();
265 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 265 m_pageBackups.append(new Page(*(m_pages.current())));
266 266
267 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 267 resizeContents(m_pages.current()->width(), m_pages.current()->height());
268 viewport()->update(); 268 viewport()->update();
269 269
270 emit pagesChanged(); 270 emit pagesChanged();
271 emit pageBackupsChanged(); 271 emit pageBackupsChanged();
272} 272}
273 273
274void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format) 274void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format)
275{ 275{
276 if (fromPage == toPage) { 276 if (fromPage == toPage) {
277 DocLnk docLnk; 277 DocLnk docLnk;
@@ -299,30 +299,30 @@ void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,c
299 FileManager fileManager; 299 FileManager fileManager;
300 QIODevice* ioDevice = fileManager.saveFile(docLnk); 300 QIODevice* ioDevice = fileManager.saveFile(docLnk);
301 QImageIO imageIO(ioDevice, format); 301 QImageIO imageIO(ioDevice, format);
302 302
303 QImage image = m_pages.at(i - 1)->convertToImage(); 303 QImage image = m_pages.at(i - 1)->convertToImage();
304 imageIO.setImage(image); 304 imageIO.setImage(image);
305 imageIO.write(); 305 imageIO.write();
306 delete ioDevice; 306 delete ioDevice;
307 } 307 }
308 } 308 }
309} 309}
310 310
311QPixmap* DrawPadCanvas::currentPage() 311Page* DrawPadCanvas::currentPage()
312{ 312{
313 return m_pages.current(); 313 return m_pages.current();
314} 314}
315 315
316QList<QPixmap> DrawPadCanvas::pages() 316QList<Page> DrawPadCanvas::pages()
317{ 317{
318 return m_pages; 318 return m_pages;
319} 319}
320 320
321uint DrawPadCanvas::pagePosition() 321uint DrawPadCanvas::pagePosition()
322{ 322{
323 return (m_pages.at() + 1); 323 return (m_pages.at() + 1);
324} 324}
325 325
326uint DrawPadCanvas::pageCount() 326uint DrawPadCanvas::pageCount()
327{ 327{
328 return m_pages.count(); 328 return m_pages.count();
@@ -330,70 +330,70 @@ uint DrawPadCanvas::pageCount()
330 330
331void DrawPadCanvas::backupPage() 331void DrawPadCanvas::backupPage()
332{ 332{
333 QPixmap* currentBackup = m_pageBackups.current(); 333 QPixmap* currentBackup = m_pageBackups.current();
334 while (m_pageBackups.last() != currentBackup) { 334 while (m_pageBackups.last() != currentBackup) {
335 m_pageBackups.removeLast(); 335 m_pageBackups.removeLast();
336 } 336 }
337 337
338 while (m_pageBackups.count() >= (5 + 1)) { 338 while (m_pageBackups.count() >= (5 + 1)) {
339 m_pageBackups.removeFirst(); 339 m_pageBackups.removeFirst();
340 } 340 }
341 341
342 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 342 m_pageBackups.append(new Page(*(m_pages.current())));
343 343
344 emit pageBackupsChanged(); 344 emit pageBackupsChanged();
345} 345}
346 346
347void DrawPadCanvas::deleteAll() 347void DrawPadCanvas::deleteAll()
348{ 348{
349 QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"), 349 QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
350 QMessageBox::Information, QMessageBox::Yes, 350 QMessageBox::Information, QMessageBox::Yes,
351 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, 351 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
352 QMessageBox::NoButton, this); 352 QMessageBox::NoButton, this);
353 353
354 messageBox.setButtonText(QMessageBox::Yes, tr("Yes")); 354 messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
355 messageBox.setButtonText(QMessageBox::No, tr("No")); 355 messageBox.setButtonText(QMessageBox::No, tr("No"));
356 356
357 if (messageBox.exec() == QMessageBox::Yes) { 357 if (messageBox.exec() == QMessageBox::Yes) {
358 m_pages.clear(); 358 m_pages.clear();
359 359
360 m_pages.append(new QPixmap(contentsRect().size())); 360 m_pages.append(new Page(contentsRect().size()));
361 m_pages.current()->fill(Qt::white); 361 m_pages.current()->fill(Qt::white);
362 362
363 m_pageBackups.clear(); 363 m_pageBackups.clear();
364 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 364 m_pageBackups.append(new Page(*(m_pages.current())));
365 365
366 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 366 resizeContents(m_pages.current()->width(), m_pages.current()->height());
367 viewport()->update(); 367 viewport()->update();
368 368
369 emit pagesChanged(); 369 emit pagesChanged();
370 emit pageBackupsChanged(); 370 emit pageBackupsChanged();
371 } 371 }
372} 372}
373 373
374void DrawPadCanvas::newPage() 374void DrawPadCanvas::newPage()
375{ 375{
376 QRect rect = contentsRect(); 376 QRect rect = contentsRect();
377 377
378 NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(), 378 NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(),
379 m_pDrawPad->brush().color(), this); 379 m_pDrawPad->brush().color(), this);
380 380
381 if (newPageDialog.exec() == QDialog::Accepted) { 381 if (newPageDialog.exec() == QDialog::Accepted) {
382 m_pages.insert(m_pages.at() + 1, new QPixmap(newPageDialog.selectedWidth(), 382 m_pages.insert(m_pages.at() + 1, new Page(newPageDialog.selectedWidth(),
383 newPageDialog.selectedHeight())); 383 newPageDialog.selectedHeight()));
384 m_pages.current()->fill(newPageDialog.selectedColor()); 384 m_pages.current()->fill(newPageDialog.selectedColor());
385 385
386 m_pageBackups.clear(); 386 m_pageBackups.clear();
387 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 387 m_pageBackups.append(new Page(*(m_pages.current())));
388 388
389 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 389 resizeContents(m_pages.current()->width(), m_pages.current()->height());
390 viewport()->update(); 390 viewport()->update();
391 391
392 emit pagesChanged(); 392 emit pagesChanged();
393 emit pageBackupsChanged(); 393 emit pageBackupsChanged();
394 } 394 }
395} 395}
396 396
397void DrawPadCanvas::clearPage() 397void DrawPadCanvas::clearPage()
398{ 398{
399 QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current page?"), 399 QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current page?"),
@@ -416,30 +416,30 @@ void DrawPadCanvas::deletePage()
416 QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current page?"), 416 QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current page?"),
417 QMessageBox::Information, QMessageBox::Yes, 417 QMessageBox::Information, QMessageBox::Yes,
418 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, 418 QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
419 QMessageBox::NoButton, this); 419 QMessageBox::NoButton, this);
420 420
421 messageBox.setButtonText(QMessageBox::Yes, tr("Yes")); 421 messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
422 messageBox.setButtonText(QMessageBox::No, tr("No")); 422 messageBox.setButtonText(QMessageBox::No, tr("No"));
423 423
424 if (messageBox.exec() == QMessageBox::Yes) { 424 if (messageBox.exec() == QMessageBox::Yes) {
425 m_pages.remove(m_pages.current()); 425 m_pages.remove(m_pages.current());
426 426
427 if (m_pages.isEmpty()) { 427 if (m_pages.isEmpty()) {
428 m_pages.append(new QPixmap(contentsRect().size())); 428 m_pages.append(new Page(contentsRect().size()));
429 m_pages.current()->fill(Qt::white); 429 m_pages.current()->fill(Qt::white);
430 } 430 }
431 431
432 m_pageBackups.clear(); 432 m_pageBackups.clear();
433 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 433 m_pageBackups.append(new Page(*(m_pages.current())));
434 434
435 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 435 resizeContents(m_pages.current()->width(), m_pages.current()->height());
436 viewport()->update(); 436 viewport()->update();
437 437
438 emit pagesChanged(); 438 emit pagesChanged();
439 emit pageBackupsChanged(); 439 emit pageBackupsChanged();
440 } 440 }
441} 441}
442 442
443bool DrawPadCanvas::undoEnabled() 443bool DrawPadCanvas::undoEnabled()
444{ 444{
445 return (m_pageBackups.current() != m_pageBackups.getFirst()); 445 return (m_pageBackups.current() != m_pageBackups.getFirst());
@@ -473,64 +473,64 @@ void DrawPadCanvas::redo()
473{ 473{
474 *(m_pages.current()) = *(m_pageBackups.next()); 474 *(m_pages.current()) = *(m_pageBackups.next());
475 475
476 viewport()->update(); 476 viewport()->update();
477 477
478 emit pageBackupsChanged(); 478 emit pageBackupsChanged();
479} 479}
480 480
481void DrawPadCanvas::goFirstPage() 481void DrawPadCanvas::goFirstPage()
482{ 482{
483 m_pages.first(); 483 m_pages.first();
484 m_pageBackups.clear(); 484 m_pageBackups.clear();
485 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 485 m_pageBackups.append(new Page(*(m_pages.current())));
486 486
487 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 487 resizeContents(m_pages.current()->width(), m_pages.current()->height());
488 viewport()->update(); 488 viewport()->update();
489 489
490 emit pagesChanged(); 490 emit pagesChanged();
491 emit pageBackupsChanged(); 491 emit pageBackupsChanged();
492} 492}
493 493
494void DrawPadCanvas::goPreviousPage() 494void DrawPadCanvas::goPreviousPage()
495{ 495{
496 m_pages.prev(); 496 m_pages.prev();
497 m_pageBackups.clear(); 497 m_pageBackups.clear();
498 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 498 m_pageBackups.append(new Page(*(m_pages.current())));
499 499
500 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 500 resizeContents(m_pages.current()->width(), m_pages.current()->height());
501 viewport()->update(); 501 viewport()->update();
502 502
503 emit pagesChanged(); 503 emit pagesChanged();
504 emit pageBackupsChanged(); 504 emit pageBackupsChanged();
505} 505}
506 506
507void DrawPadCanvas::goNextPage() 507void DrawPadCanvas::goNextPage()
508{ 508{
509 m_pages.next(); 509 m_pages.next();
510 m_pageBackups.clear(); 510 m_pageBackups.clear();
511 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 511 m_pageBackups.append(new Page(*(m_pages.current())));
512 512
513 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 513 resizeContents(m_pages.current()->width(), m_pages.current()->height());
514 viewport()->update(); 514 viewport()->update();
515 515
516 emit pagesChanged(); 516 emit pagesChanged();
517 emit pageBackupsChanged(); 517 emit pageBackupsChanged();
518} 518}
519 519
520void DrawPadCanvas::goLastPage() 520void DrawPadCanvas::goLastPage()
521{ 521{
522 m_pages.last(); 522 m_pages.last();
523 m_pageBackups.clear(); 523 m_pageBackups.clear();
524 m_pageBackups.append(new QPixmap(*(m_pages.current()))); 524 m_pageBackups.append(new Page(*(m_pages.current())));
525 525
526 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 526 resizeContents(m_pages.current()->width(), m_pages.current()->height());
527 viewport()->update(); 527 viewport()->update();
528 528
529 emit pagesChanged(); 529 emit pagesChanged();
530 emit pageBackupsChanged(); 530 emit pageBackupsChanged();
531} 531}
532 532
533void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e) 533void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e)
534{ 534{
535 m_pDrawPad->tool()->mousePressEvent(e); 535 m_pDrawPad->tool()->mousePressEvent(e);
536} 536}