diff options
| -rw-r--r-- | printer.cpp | 44 | ||||
| -rw-r--r-- | printer.h | 1 |
2 files changed, 43 insertions, 2 deletions
diff --git a/printer.cpp b/printer.cpp index 115b17526..5d7adcacc 100644 --- a/printer.cpp +++ b/printer.cpp @@ -57,6 +57,46 @@ void Printer::putProfileImage(QRect profilePlaceholder, QRect viewPort, QPainter } } +void Printer::flowRender() +{ + // render the Qwebview + QPainter painter; + QRect viewPort(0, 0, 0, 0); + painter.begin(paintDevice); + painter.setRenderHint(QPainter::Antialiasing); + painter.setRenderHint(QPainter::SmoothPixmapTransform); + + // get all references to dontbreak divs + int start = 0, end = 0; + int fullPageResolution = webView->page()->mainFrame()->contentsSize().height(); + QWebElementCollection dontbreak = webView->page()->mainFrame()->findAllElements(".dontbreak"); + foreach (QWebElement dontbreakElement, dontbreak) { + if ((dontbreakElement.geometry().y() + dontbreakElement.geometry().height()) - start < pageSize.height()) { + // One more element can be placed + end = dontbreakElement.geometry().y() + dontbreakElement.geometry().height(); + } else { + QRegion reigon(0, 0, pageSize.width(), end - start); + viewPort.setRect(0, start, pageSize.width(), end - start); + + // render the base Html template + webView->page()->mainFrame()->render(&painter, QWebFrame::ContentsLayer, reigon); + + // scroll the webview to the next page + webView->page()->mainFrame()->scroll(0, dontbreakElement.geometry().y() - start); + + // rendering progress is 4/5 of total work + emit(progessUpdated((end * 80.0 / fullPageResolution) + done)); + static_cast<QPrinter*>(paintDevice)->newPage(); + start = dontbreakElement.geometry().y(); + } + } + // render the remianing page + QRegion reigon(0, 0, pageSize.width(), end - start); + webView->page()->mainFrame()->render(&painter, QWebFrame::ContentsLayer, reigon); + + painter.end(); +} + void Printer::render(int Pages = 0) { // keep original preferences @@ -175,11 +215,11 @@ void Printer::print() int paddingBottom = pageSize.height() - (webView->page()->mainFrame()->contentsSize().height() % pageSize.height()); QString styleString = QString::fromUtf8("padding-bottom: ") + QString::number(paddingBottom) + "px;"; webView->page()->mainFrame()->findFirstElement("body").setAttribute("style", styleString); - Pages = ceil(webView->page()->mainFrame()->contentsSize().height() / (float)pageSize.height()); + flowRender(); } else { Pages = ceil(getTotalWork(printOptions) / (float)divesPerPage); + render(Pages); } - render(Pages); } void Printer::print_statistics() @@ -29,6 +29,7 @@ private: int done; int dpi; void render(int Pages); + void flowRender(); void putProfileImage(QRect box, QRect viewPort, QPainter *painter, struct dive *dive, QPointer<ProfileWidget2> profile); private slots: |