File indexing completed on 2024-05-05 04:43:22

 /* This file is part of the KDE project
  * Copyright (C) 2007-2008 by Adam Pigg (adam@piggz.co.uk)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "KReportPage.h"
 
 #include "KReportRendererBase.h"
 #include "KReportUnit.h"
 #include "KReportRenderObjects.h"
 #include "KReportUtils_p.h"
 #include "kreport_debug.h"
 
 #include <QPainter>
 #include <QPixmap>
 #include <QPointer>
 #include <QTimer>
 #include <QWidget>
 
 //! @internal
 class Q_DECL_HIDDEN KReportPage::Private
 {
 public:
     explicit Private(ORODocument *document)
         : reportDocument(document)
     {}
 
     ~Private()
     {
         delete renderer;
     }
 
     QPointer<ORODocument> reportDocument;
     int page;
     QPixmap pixmap;
     KReportRendererFactory factory;
     KReportRendererBase *renderer;
     QTimer renderTimer;
 };
 
 
 KReportPage::KReportPage(QWidget *parent, ORODocument *document)
         : QObject(parent), QGraphicsRectItem()
         , d(new Private(document))
 {
     Q_ASSERT(document);
     
     int pageWidth;
     int pageHeight;
 
     pageWidth = d->reportDocument->pageLayout().fullRectPixels(KReportPrivate::dpiX()).width();
     pageHeight = d->reportDocument->pageLayout().fullRectPixels(KReportPrivate::dpiX()).height();
 
     setRect(0, 0, pageWidth, pageHeight);
     //kreportDebug() << "PAGE IS " << pageWidth << "x" << pageHeight;
     d->pixmap = QPixmap(pageWidth, pageHeight);
     d->renderer = d->factory.createInstance(QLatin1String("screen"));
     connect(d->reportDocument, SIGNAL(updated(int)), this, SLOT(pageUpdated(int)));
 
     d->renderTimer.setSingleShot(true);
     connect(&d->renderTimer, SIGNAL(timeout()), this, SLOT(renderCurrentPage()));
 
     renderPage(1);
 }
 
 KReportPage::~KReportPage()
 {
     delete d;
 }
 
 void KReportPage::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
     Q_UNUSED(option);
     Q_UNUSED(widget);
     painter->drawPixmap(QPoint(0, 0), d->pixmap);
 }
 
 void KReportPage::renderPage(int page)
 {
     d->page = page - 1;
     d->pixmap.fill();
     QPainter qp(&d->pixmap);
     if (d->reportDocument) {
         KReportRendererContext cxt;
         cxt.setPainter(&qp);
         (void)d->renderer->render(cxt, d->reportDocument, d->page);
     }
     update();
 }
 
 void KReportPage::pageUpdated(int pageNo)
 {
     //kreportDebug() << pageNo << d->page;
     //Refresh this page if it changes
     if (pageNo == d->page) {
         //kreportDebug() << "Current page updated";
         d->renderTimer.start(100);
     }
 }
 
 void KReportPage::renderCurrentPage()
 {
     renderPage(d->page + 1);
 }