PDFWidget.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2010
   4 //     Stefan Bund <info@j32.de>
   5
   6 /** \file
   7     \brief PDFWidget non-inline non-template implementation */
   8
   9 #include "PDFWidget.hh"
  10 //#include "PDFWidget.ih"
  11
  12 // Custom includes
  13 #include <iostream>
  14 #include <QNetworkRequest>
  15 #include <QNetworkReply>
  16
  17 //#include "PDFWidget.mpp"
  18 #define prefix_
  19 ///////////////////////////////cc.p////////////////////////////////////////
  20
  21 prefix_ pykit::PDFWidget::PDFWidget(QNetworkAccessManager * manager, QWidget * parent)
  22     : QLabel(parent), manager_ (manager), currentPage_ (0)
  23 {}
  24
  25 prefix_ pykit::PDFWidget::PDFWidget(QString const & document, QNetworkAccessManager * manager,
  26                                     QWidget * parent)
  27     : QLabel(parent), manager_ (manager), currentPage_ (0)
  28 {
  29     document_.reset(Poppler::Document::load(document));
  30     showPage();
  31 }
  32
  33 prefix_ void pykit::PDFWidget::load(QUrl const & url)
  34 {
  35     QNetworkRequest request (url);
  36     QNetworkReply * reply (manager_->get(request));
  37     connect(reply, SIGNAL(finished()), this, SLOT(netLoadDocument()));
  38 }
  39
  40 prefix_ void pykit::PDFWidget::netLoadDocument()
  41 {
  42     QNetworkReply * reply = static_cast<QNetworkReply*>(sender());
  43     if (reply->error() != QNetworkReply::NoError)
  44         return;
  45     QByteArray data (reply->read(reply->size()));
  46     document_.reset(Poppler::Document::loadFromData(data));
  47     showPage();
  48     reply->deleteLater();
  49 }
  50
  51 prefix_ void pykit::PDFWidget::showPage()
  52 {
  53     if (! document_)
  54         return;
  55     QImage image (document_->page(currentPage_)->renderToImage(
  56                       physicalDpiX(), physicalDpiY()));
  57     setPixmap(QPixmap::fromImage(image));
  58 }
  59
  60 ///////////////////////////////cc.e////////////////////////////////////////
  61 #undef prefix_
  62 //#include "PDFWidget.mpp"
  63
  64 \f
  65 // Local Variables:
  66 // mode: c++
  67 // fill-column: 100
  68 // comment-column: 40
  69 // c-file-style: "j32"
  70 // indent-tabs-mode: nil
  71 // ispell-local-dictionary: "american"
  72 // compile-command: "scons -U"
  73 // End: