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-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.cpp25
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
@@ -132,113 +132,136 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch)
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];