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125 lines
4 KiB
C++
125 lines
4 KiB
C++
#include "printer.h"
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#include "templatelayout.h"
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#include <QtWebKitWidgets>
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#include <QPainter>
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#include <QWebElementCollection>
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#include <QWebElement>
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Printer::Printer(QPrinter *printer, print_options *printOptions)
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{
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this->printer = printer;
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this->printOptions = printOptions;
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dpi = 0;
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done = 0;
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}
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void Printer::putProfileImage(QRect profilePlaceholder, QRect viewPort, QPainter *painter, struct dive *dive, QPointer<ProfileWidget2> profile)
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{
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int x = profilePlaceholder.x() - viewPort.x();
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int y = profilePlaceholder.y() - viewPort.y();
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// use the placeHolder and the viewPort position to calculate the relative position of the dive profile.
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QRect pos(x, y, profilePlaceholder.width(), profilePlaceholder.height());
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profile->plotDive(dive, true);
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profile->render(painter, pos);
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}
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void Printer::render()
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{
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QPointer<ProfileWidget2> profile = MainWindow::instance()->graphics();
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// keep original preferences
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int profileFrameStyle = profile->frameStyle();
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int animationOriginal = prefs.animation_speed;
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double fontScale = profile->getFontPrintScale();
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// apply printing settings to profile
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profile->setFrameStyle(QFrame::NoFrame);
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profile->setPrintMode(true, !printOptions->color_selected);
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profile->setFontPrintScale(0.6);
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profile->setToolTipVisibile(false);
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prefs.animation_speed = 0;
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// render the Qwebview
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QPainter painter;
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QRect viewPort(0, 0, pageSize.width(), pageSize.height());
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painter.begin(printer);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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int divesPerPage;
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switch (printOptions->p_template) {
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case print_options::ONE_DIVE:
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divesPerPage = 1;
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break;
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case print_options::TWO_DIVE:
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divesPerPage = 2;
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break;
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}
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int Pages = ceil(getTotalWork() / (float)divesPerPage);
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// get all refereces to diveprofile class in the Html template
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QWebElementCollection collection = webView->page()->mainFrame()->findAllElements(".diveprofile");
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QSize originalSize = profile->size();
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if (collection.count() > 0) {
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profile->resize(collection.at(0).geometry().size());
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}
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int elemNo = 0;
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for (int i = 0; i < Pages; i++) {
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// render the base Html template
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webView->page()->mainFrame()->render(&painter, QWebFrame::ContentsLayer);
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// render all the dive profiles in the current page
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while (elemNo < collection.count() && collection.at(elemNo).geometry().y() < viewPort.y() + viewPort.height()) {
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// dive id field should be dive_{{dive_no}} se we remove the first 5 characters
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int diveNo = collection.at(elemNo).attribute("id").remove(0, 5).toInt(0, 10);
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putProfileImage(collection.at(elemNo).geometry(), viewPort, &painter, get_dive(diveNo - 1), profile);
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elemNo++;
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}
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// scroll the webview to the next page
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webView->page()->mainFrame()->scroll(0, pageSize.height());
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viewPort.adjust(0, pageSize.height(), 0, pageSize.height());
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// rendering progress is 4/5 of total work
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emit(progessUpdated((i * 80.0 / Pages) + done));
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if (i < Pages - 1)
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printer->newPage();
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}
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painter.end();
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// return profle settings
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profile->setFrameStyle(profileFrameStyle);
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profile->setPrintMode(false);
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profile->setFontPrintScale(fontScale);
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profile->setToolTipVisibile(true);
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profile->resize(originalSize);
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prefs.animation_speed = animationOriginal;
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//replot the dive after returning the settings
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profile->plotDive(0, true);
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}
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//value: ranges from 0 : 100 and shows the progress of the templating engine
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void Printer::templateProgessUpdated(int value)
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{
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done = value / 5; //template progess if 1/5 of total work
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emit progessUpdated(done);
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}
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void Printer::print()
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{
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TemplateLayout t(printOptions);
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webView = new QWebView();
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connect(&t, SIGNAL(progressUpdated(int)), this, SLOT(templateProgessUpdated(int)));
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dpi = printer->resolution();
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//rendering resolution = selected paper size in inchs * printer dpi
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pageSize.setHeight(printer->pageLayout().paintRect(QPageLayout::Inch).height() * dpi);
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pageSize.setWidth(printer->pageLayout().paintRect(QPageLayout::Inch).width() * dpi);
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webView->page()->setViewportSize(pageSize);
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webView->setHtml(t.generate());
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render();
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}
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