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133 lines
4.0 KiB
133 lines
4.0 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBExportPDF.h"
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#include <QtCore>
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#include <QtSvg>
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#include "core/UBApplication.h"
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#include "core/UBSettings.h"
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#include "core/UBSetting.h"
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#include "core/UBPersistenceManager.h"
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#include "domain/UBGraphicsScene.h"
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#include "domain/UBGraphicsSvgItem.h"
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#include "document/UBDocumentProxy.h"
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#include "pdf/GraphicsPDFItem.h"
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#include "core/memcheck.h"
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UBExportPDF::UBExportPDF(QObject *parent)
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: UBExportAdaptor(parent)
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{
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// NOOP
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}
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UBExportPDF::~UBExportPDF()
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{
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// NOOP
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}
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void UBExportPDF::persist(UBDocumentProxy* pDocumentProxy)
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{
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if (!pDocumentProxy)
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return;
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QString filename = askForFileName(pDocumentProxy, tr("Export as PDF File"));
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if (filename.length() > 0)
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{
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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UBApplication::showMessage(tr("Exporting document..."));
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persistsDocument(pDocumentProxy, filename);
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UBApplication::showMessage(tr("Export successful."));
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QApplication::restoreOverrideCursor();
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}
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}
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void UBExportPDF::persistsDocument(UBDocumentProxy* pDocumentProxy, QString filename)
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{
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//PDF
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QPrinter pdfPrinter;
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qDebug() << "exporting document to PDF" << filename;
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pdfPrinter.setOutputFormat(QPrinter::PdfFormat);
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pdfPrinter.setResolution(UBSettings::settings()->pdfResolution->get().toInt());
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pdfPrinter.setOutputFileName(filename);
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if (UBSettings::settings()->pdfPageFormat->get().toString() == "Letter")
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pdfPrinter.setPageSize(QPrinter::Letter);
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else
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pdfPrinter.setPageSize(QPrinter::A4);
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// pdfMargin is in mm, but margin should be in px
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qreal margin = UBSettings::settings()->pdfMargin->get().toDouble() * pdfPrinter.resolution() / 25.4;
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pdfPrinter.setOrientation(QPrinter::Landscape);
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pdfPrinter.setFullPage(true);
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QPainter pdfPainter(&pdfPrinter);
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int existingPageCount = pDocumentProxy->pageCount();
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for(int pageIndex = 0 ; pageIndex < existingPageCount; pageIndex++)
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{
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UBGraphicsScene* scene = UBPersistenceManager::persistenceManager()->loadDocumentScene(pDocumentProxy, pageIndex);
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UBApplication::showMessage(tr("Exporting page %1 of %2").arg(pageIndex + 1).arg(existingPageCount));
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// set background to white, no crossing for PDF output
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bool isDark = scene->isDarkBackground();
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bool isCrossed = scene->isCrossedBackground();
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scene->setBackground(false, false);
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QRectF paperRect = pdfPrinter.paperRect();
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paperRect = paperRect.adjusted(margin, margin, -margin, -margin);
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QRectF normalized = scene->normalizedSceneRect(paperRect.width() / paperRect.height());
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// set high res rendering
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scene->setRenderingQuality(UBItem::RenderingQualityHigh);
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scene->setRenderingContext(UBGraphicsScene::NonScreen);
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//render to PDF
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scene->render(&pdfPainter, paperRect, normalized);
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if (pageIndex < existingPageCount - 1)
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pdfPrinter.newPage();
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//restore screen rendering quality
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scene->setRenderingContext(UBGraphicsScene::Screen);
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scene->setRenderingQuality(UBItem::RenderingQualityNormal);
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//restore background state
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scene->setBackground(isDark, isCrossed);
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}
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}
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QString UBExportPDF::exportExtention()
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{
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return QString(".pdf");
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}
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QString UBExportPDF::exportName()
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{
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return tr("Export to PDF");
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}
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