Diffstat (limited to 'noncore/graphics/drawpad/drawpadcanvas.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.cpp | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp index bcb6877..dcf0871 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.cpp +++ b/noncore/graphics/drawpad/drawpadcanvas.cpp @@ -38,28 +38,32 @@ public: QList<Page> pages(); bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts); bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName); bool characters(const QString& ch); private: enum State { Unknown, + InTitle, + InDate, InData }; State m_state; + QString m_title; + QDateTime m_date; ulong m_dataLenght; QString m_dataFormat; QList<Page> m_pages; }; DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler() { m_state = Unknown; } DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() { @@ -67,53 +71,68 @@ DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() QList<Page> DrawPadCanvasXmlHandler::pages() { return m_pages; } bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts) { Q_CONST_UNUSED(namespaceURI) Q_CONST_UNUSED(localName) - if (qName.compare("data") == 0) { + if (qName == "image") { + m_title = QString(); + m_date = QDateTime(QDate(1970, 1, 1)); + } else if (qName == "title") { + m_state = InTitle; + } else if (qName == "date") { + m_state = InDate; + } else if (qName == "data") { m_state = InData; m_dataLenght = atts.value("length").toULong(); m_dataFormat = atts.value("format"); if (m_dataFormat.isEmpty()) { m_dataFormat = "XPM"; } } return true; } bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName, const QString& qName) { Q_CONST_UNUSED(namespaceURI) Q_CONST_UNUSED(localName) - if (qName.compare("data") == 0) { + if (qName == "title") { + m_state = Unknown; + } else if (qName == "date") { + m_state = Unknown; + } else if (qName == "data") { m_state = Unknown; } return true; } -bool DrawPadCanvasXmlHandler::characters(const QString& ch) +bool DrawPadCanvasXmlHandler::characters(const QString& ch) { - if (m_state == InData) { + if (m_state == InTitle) { + m_title = ch; + } else if (m_state == InDate) { + m_date = m_date.addSecs(ch.toInt()); + } else if (m_state == InData) { QByteArray byteArray(ch.length() / 2); for (int i = 0; i < (int)ch.length() / 2; i++) { char h = ch[2 * i].latin1(); char l = ch[2 * i + 1].latin1(); uchar r = 0; if (h <= '9') { r += h - '0'; } else { r += h - 'a' + 10; } @@ -136,25 +155,26 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch) if (m_dataLenght < ch.length() * 5) { m_dataLenght = ch.length() * 5; } QByteArray byteArrayUnzipped(m_dataLenght); ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size()); image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat); } else { image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat); } - Page* page = new Page(image.width(), image.height()); + Page* page = new Page(m_title, image.width(), image.height()); + page->setLastModified(m_date); page->convertFromImage(image); m_pages.append(page); } return true; } DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) : QScrollView(parent, name) { m_pDrawPad = drawPad; m_pages.setAutoDelete(true); @@ -173,65 +193,69 @@ void DrawPadCanvas::load(QIODevice* ioDevice) textStream.setCodec(QTextCodec::codecForName("UTF-8")); QXmlInputSource xmlInputSource(textStream); QXmlSimpleReader xmlSimpleReader; DrawPadCanvasXmlHandler drawPadCanvasXmlHandler; xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler); xmlSimpleReader.parse(xmlInputSource); m_pages = drawPadCanvasXmlHandler.pages(); if (m_pages.isEmpty()) { - m_pages.append(new Page(contentsRect().size())); + m_pages.append(new Page("", contentsRect().size())); m_pages.current()->fill(Qt::white); } m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::initialPage() { - m_pages.append(new Page(236, 232)); + m_pages.append(new Page("", 236, 232)); m_pages.current()->fill(Qt::white); m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::save(QIODevice* ioDevice) { QTextStream textStream(ioDevice); textStream.setCodec(QTextCodec::codecForName("UTF-8")); textStream << "<drawpad>" << endl; textStream << " <images>" << endl; QListIterator<Page> bufferIterator(m_pages); for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { textStream << " <image>" << endl; + textStream << " <title>" << bufferIterator.current()->title() << "</title>" << endl; + + int intDate = QDateTime(QDate(1970, 1, 1)).secsTo(bufferIterator.current()->lastModified()); + textStream << " <date>" << intDate << "</date>" << endl; QImage image = bufferIterator.current()->convertToImage(); QByteArray byteArray; QBuffer buffer(byteArray); QImageIO imageIO(&buffer, "PNG"); buffer.open(IO_WriteOnly); imageIO.setImage(image); imageIO.write(); buffer.close(); textStream << " <data length=\"" << byteArray.size() << "\" format=\"PNG\">"; @@ -332,58 +356,60 @@ void DrawPadCanvas::selectPage(Page* page) m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::backupPage() { - QPixmap* currentBackup = m_pageBackups.current(); + m_pages.current()->setLastModified(QDateTime::currentDateTime()); + + Page* currentBackup = m_pageBackups.current(); while (m_pageBackups.last() != currentBackup) { m_pageBackups.removeLast(); } while (m_pageBackups.count() >= (5 + 1)) { m_pageBackups.removeFirst(); } m_pageBackups.append(new Page(*(m_pages.current()))); emit pageBackupsChanged(); } void DrawPadCanvas::deleteAll() { m_pages.clear(); - m_pages.append(new Page(contentsRect().size())); + m_pages.append(new Page("", contentsRect().size())); m_pages.current()->fill(Qt::white); m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } -void DrawPadCanvas::newPage(uint width, uint height, const QColor& color) +void DrawPadCanvas::newPage(QString title, uint width, uint height, const QColor& color) { - m_pages.insert(m_pages.at() + 1, new Page(width, height)); + m_pages.insert(m_pages.at() + 1, new Page(title, width, height)); m_pages.current()->fill(color); m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } @@ -396,25 +422,25 @@ void DrawPadCanvas::clearPage() resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pageBackupsChanged(); } void DrawPadCanvas::deletePage() { m_pages.remove(m_pages.current()); if (m_pages.isEmpty()) { - m_pages.append(new Page(contentsRect().size())); + m_pages.append(new Page("", contentsRect().size())); m_pages.current()->fill(Qt::white); } m_pageBackups.clear(); m_pageBackups.append(new Page(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } |