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fcde03e849
We can have color printouts only if the printer supports color prints, the user selected 'print in colors' from the print dialog and the default printer settings (Operating system wise) is to print in colors, Otherwise the prints will be in greyscale. Signed-off-by: Gehad elrobey <gehadelrobey@gmail.com> Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
130 lines
4.3 KiB
C++
130 lines
4.3 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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// apply user settings
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int divesPerPage;
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if (printOptions->color_selected && printer->colorMode()) {
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printer->setColorMode(QPrinter::Color);
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} else {
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printer->setColorMode(QPrinter::GrayScale);
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}
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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(printOptions) / (float)divesPerPage);
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// keep original preferences
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QPointer<ProfileWidget2> profile = MainWindow::instance()->graphics();
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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(printer->pageLayout().paintRect(QPageLayout::Inch).width() * dpi * 0.001);
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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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// 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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