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#include "printer.h"
#include "templatelayout.h"
#include <QtWebKitWidgets>
#include <QPainter>
#define A4_300DPI_WIDTH 2480
#define A4_300DPI_HIGHT 3508
Printer::Printer(QPrinter *printer)
{
this->printer = printer;
//override these settings for now.
printer->setFullPage(true);
printer->setOrientation(QPrinter::Portrait);
printer->setPaperSize(QPrinter::A4);
printer->setPrintRange(QPrinter::AllPages);
printer->setResolution(300);
done = 0;
}
void Printer::render()
{
QPainter painter;
QSize size(A4_300DPI_WIDTH, A4_300DPI_HIGHT);
painter.begin(printer);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
webView->page()->setViewportSize(size);
int Pages = ceil((float)webView->page()->mainFrame()->contentsSize().rheight() / A4_300DPI_HIGHT);
for (int i = 0; i < Pages; i++) {
webView->page()->mainFrame()->render(&painter, QWebFrame::ContentsLayer);
webView->page()->mainFrame()->scroll(0, A4_300DPI_HIGHT);
//rendering progress is 4/5 of total work
emit(progessUpdated((i * 80.0 / Pages) + done));
if (i < Pages - 1)
printer->newPage();
}
painter.end();
}
//value: ranges from 0 : 100 and shows the progress of the templating engine
void Printer::templateProgessUpdated(int value)
{
done = value / 5; //template progess if 1/5 of total work
emit progessUpdated(done);
}
void Printer::print()
{
TemplateLayout t;
connect(&t, SIGNAL(progressUpdated(int)), this, SLOT(templateProgessUpdated(int)));
webView = new QWebView();
webView->setHtml(t.generate());
render();
}
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