-rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp index 3ddd7b7..58192d3 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.cpp +++ b/noncore/graphics/drawpad/drawpadcanvas.cpp @@ -68,192 +68,194 @@ DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() } QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps() { return m_pixmaps; } 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) { 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) { m_state = Unknown; } return true; } bool DrawPadCanvasXmlHandler::characters(const QString& ch) { 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; if (m_dataFormat == "XPM") { 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); } QPixmap* pixmap = new QPixmap(image.width(), image.height()); pixmap->convertFromImage(image); m_pixmaps.append(pixmap); } return true; } DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) : QScrollView(parent, name) { m_pDrawPad = drawPad; m_pages.setAutoDelete(true); m_pageBackups.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.pixmaps(); if (m_pages.isEmpty()) { m_pages.append(new QPixmap(contentsRect().size())); m_pages.current()->fill(Qt::white); } m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(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 QPixmap(236, 232)); m_pages.current()->fill(Qt::white); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(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<QPixmap> bufferIterator(m_pages); for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { textStream << " <image>" << 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\">"; 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) { QPixmap* importedPixmap = new QPixmap(); importedPixmap->load(fileName); |