mirror of
https://invent.kde.org/graphics/okular
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104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
/*
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SPDX-FileCopyrightText: 2008 Tobias Koenig <tokoe@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "generator_fax.h"
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#include <QPainter>
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#include <QPrinter>
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#include <KAboutData>
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#include <KLocalizedString>
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#include <core/document.h>
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#include <core/page.h>
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OKULAR_EXPORT_PLUGIN(FaxGenerator, "libokularGenerator_fax.json")
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FaxGenerator::FaxGenerator(QObject *parent, const QVariantList &args)
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: Generator(parent, args)
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{
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setFeature(Threaded);
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setFeature(PrintNative);
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setFeature(PrintToFile);
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}
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FaxGenerator::~FaxGenerator()
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{
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}
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bool FaxGenerator::loadDocument(const QString &fileName, QVector<Okular::Page *> &pagesVector)
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{
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if (fileName.endsWith(QLatin1String(".g3"), Qt::CaseInsensitive)) {
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m_type = FaxDocument::G3;
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} else {
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m_type = FaxDocument::G4;
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}
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FaxDocument faxDocument(fileName, m_type);
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if (!faxDocument.load()) {
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Q_EMIT error(i18n("Unable to load document"), -1);
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return false;
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}
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m_img = faxDocument.image();
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pagesVector.resize(1);
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Okular::Page *page = new Okular::Page(0, m_img.width(), m_img.height(), Okular::Rotation0);
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pagesVector[0] = page;
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return true;
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}
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bool FaxGenerator::doCloseDocument()
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{
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m_img = QImage();
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return true;
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}
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QImage FaxGenerator::image(Okular::PixmapRequest *request)
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{
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// perform a smooth scaled generation
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int width = request->width();
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int height = request->height();
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if (request->page()->rotation() % 2 == 1) {
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qSwap(width, height);
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}
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return m_img.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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}
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Okular::DocumentInfo FaxGenerator::generateDocumentInfo(const QSet<Okular::DocumentInfo::Key> &keys) const
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{
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Okular::DocumentInfo docInfo;
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if (keys.contains(Okular::DocumentInfo::MimeType)) {
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if (m_type == FaxDocument::G3) {
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docInfo.set(Okular::DocumentInfo::MimeType, QStringLiteral("image/fax-g3"));
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} else {
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docInfo.set(Okular::DocumentInfo::MimeType, QStringLiteral("image/fax-g4"));
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}
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}
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return docInfo;
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}
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Okular::Document::PrintError FaxGenerator::print(QPrinter &printer)
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{
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QPainter p(&printer);
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QImage image(m_img);
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if ((image.width() > printer.width()) || (image.height() > printer.height())) {
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image = image.scaled(printer.width(), printer.height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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p.drawImage(0, 0, image);
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return Okular::Document::NoPrintError;
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}
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#include "generator_fax.moc"
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