| -rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.cpp | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp index 5d0c6e4..5b1aa7e 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.cpp +++ b/noncore/graphics/drawpad/drawpadcanvas.cpp @@ -84,209 +84,232 @@ bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QS } 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"); } return true; } bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName, const QString& qName) { Q_CONST_UNUSED(namespaceURI) Q_CONST_UNUSED(localName) 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) { if (m_state == InTitle) { m_title = ch; } else if (m_state == InDate) { m_date = QDateTime(QDate(1970, 1, 1)).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; } r = r << 4; if (l <= '9') { r += l - '0'; } else { r += l - 'a' + 10; } byteArray[i] = r; } QImage image; image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat); Page* page = new Page(m_title, image.width(), image.height()); page->setLastModified(m_date); page->pixmap()->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); viewport()->setBackgroundMode(QWidget::NoBackground); } DrawPadCanvas::~DrawPadCanvas() { } void DrawPadCanvas::load(QIODevice* ioDevice) { QTextStream textStream(ioDevice); textStream.setCodec(QTextCodec::codecForName("UTF-8")); QXmlInputSource xmlInputSource(textStream); QXmlSimpleReader xmlSimpleReader; DrawPadCanvasXmlHandler drawPadCanvasXmlHandler; xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler); xmlSimpleReader.parse(xmlInputSource); - m_pages = drawPadCanvasXmlHandler.pages(); + /* + * we could have loaded something from setDocument already + * due the delayed loading we need to make sure we do + * not lose pages + */ + if ( !m_pages.isEmpty() ) { + QList<Page> pages = drawPadCanvasXmlHandler.pages(); + QListIterator<Page> it( pages ); + Page *p; + while ( ( p = it.current() ) ) { + ++it; + m_pages.append( p ); + } + }else + m_pages = drawPadCanvasXmlHandler.pages(); + + if (m_pages.isEmpty()) { m_pages.append(new Page("", clipper()->width()+(verticalScrollBar()->isVisible()?verticalScrollBar()->width():0), clipper()->height()+(horizontalScrollBar()->isVisible()?horizontalScrollBar()->height():0))); m_pages.current()->pixmap()->fill(Qt::white); } resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); } void DrawPadCanvas::initialPage() { + /* + * by setDocument we've set a page already so + * don't add an empty one. This comes due the delayed initialisation + */ + if (!m_pages.isEmpty() ) + return; + m_pages.append(new Page("", clipper()->width()+(verticalScrollBar()->isVisible()?verticalScrollBar()->width():0), clipper()->height()+(horizontalScrollBar()->isVisible()?horizontalScrollBar()->height():0))); //236, 232)); no more fixed sizes m_pages.current()->pixmap()->fill(Qt::white); resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); } 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()->pixmap()->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\">"; static const char hexchars[] = "0123456789abcdef"; for (int i = 0; i < (int)byteArray.size(); i++ ) { uchar s = (uchar)byteArray[i]; textStream << hexchars[s >> 4]; textStream << hexchars[s & 0x0f]; } textStream << "</data>" << endl; textStream << " </image>" << endl; } textStream << " </images>" << endl; textStream << "</drawpad>"; } void DrawPadCanvas::importPage(const QString& fileName) { Page* importedPage = new Page(); importedPage->pixmap()->load(fileName); m_pages.insert(m_pages.at() + 1, importedPage); resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height()); viewport()->update(); emit pagesChanged(); } void DrawPadCanvas::importPixmap( const QPixmap& pix ) { Page* importedPage = new Page(); (*importedPage->pixmap()) = pix; m_pages.insert(m_pages.at()+1, importedPage ); resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height() ); viewport()->update(); emit pagesChanged(); } void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format) { if (fromPage == toPage) { DocLnk docLnk; MimeType mimeType(format); docLnk.setName(name); docLnk.setType(mimeType.id()); FileManager fileManager; QIODevice* ioDevice = fileManager.saveFile(docLnk); QImageIO imageIO(ioDevice, format); |