mirror of https://github.com/JakubMelka/PDF4QT.git
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Copyright (C) 2020-2021 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#include "pdftooloptimize.h"
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#include "pdfdocumentwriter.h"
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namespace pdftool
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{
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static PDFToolOptimize s_optimizeApplication;
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QString PDFToolOptimize::getStandardString(PDFToolAbstractApplication::StandardString standardString) const
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{
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switch (standardString)
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{
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case Command:
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return "optimize";
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case Name:
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return PDFToolTranslationContext::tr("Optimize");
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case Description:
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return PDFToolTranslationContext::tr("Optimize document size using various algorithms.");
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default:
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Q_ASSERT(false);
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break;
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}
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return QString();
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}
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int PDFToolOptimize::execute(const PDFToolOptions& options)
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{
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if (!options.optimizeFlags)
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{
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PDFConsole::writeError(PDFToolTranslationContext::tr("No optimization option has been set."), options.outputCodec);
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return ErrorInvalidArguments;
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}
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pdf::PDFDocument document;
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QByteArray sourceData;
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if (!readDocument(options, document, &sourceData, false))
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{
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return ErrorDocumentReading;
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}
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pdf::PDFOptimizer optimizer(options.optimizeFlags, nullptr);
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QObject::connect(&optimizer, &pdf::PDFOptimizer::optimizationProgress, &optimizer, [&options](QString text) { PDFConsole::writeError(text, options.outputCodec); }, Qt::DirectConnection);
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optimizer.setDocument(&document);
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optimizer.optimize();
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document = optimizer.takeOptimizedDocument();
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pdf::PDFDocumentWriter writer(nullptr);
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pdf::PDFOperationResult result = writer.write(options.document, &document, true);
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if (!result)
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{
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PDFConsole::writeError(PDFToolTranslationContext::tr("Failed to write optimize document. %1").arg(result.getErrorMessage()), options.outputCodec);
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return ErrorFailedWriteToFile;
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}
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return ExitSuccess;
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}
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PDFToolAbstractApplication::Options PDFToolOptimize::getOptionsFlags() const
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{
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return ConsoleFormat | OpenDocument | Optimize;
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}
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} // namespace pdftool
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