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PDF4QT/PdfTool/pdftooloptimize.cpp
2025-04-27 12:39:06 +02:00

91 lines
3.1 KiB
C++

// MIT License
//
// Copyright (c) 2018-2025 Jakub Melka and Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "pdftooloptimize.h"
#include "pdfdocumentwriter.h"
namespace pdftool
{
static PDFToolOptimize s_optimizeApplication;
QString PDFToolOptimize::getStandardString(PDFToolAbstractApplication::StandardString standardString) const
{
switch (standardString)
{
case Command:
return "optimize";
case Name:
return PDFToolTranslationContext::tr("Optimize");
case Description:
return PDFToolTranslationContext::tr("Optimize document size using various algorithms.");
default:
Q_ASSERT(false);
break;
}
return QString();
}
int PDFToolOptimize::execute(const PDFToolOptions& options)
{
if (!options.optimizeFlags)
{
PDFConsole::writeError(PDFToolTranslationContext::tr("No optimization option has been set."), options.outputCodec);
return ErrorInvalidArguments;
}
pdf::PDFDocument document;
QByteArray sourceData;
if (!readDocument(options, document, &sourceData, false))
{
return ErrorDocumentReading;
}
pdf::PDFOptimizer optimizer(options.optimizeFlags, nullptr);
QObject::connect(&optimizer, &pdf::PDFOptimizer::optimizationProgress, &optimizer, [&options](QString text) { PDFConsole::writeError(text, options.outputCodec); }, Qt::DirectConnection);
optimizer.setDocument(&document);
optimizer.optimize();
document = optimizer.takeOptimizedDocument();
pdf::PDFDocumentWriter writer(nullptr);
pdf::PDFOperationResult result = writer.write(options.document, &document, true);
if (!result)
{
PDFConsole::writeError(PDFToolTranslationContext::tr("Failed to write optimize document. %1").arg(result.getErrorMessage()), options.outputCodec);
return ErrorFailedWriteToFile;
}
return ExitSuccess;
}
PDFToolAbstractApplication::Options PDFToolOptimize::getOptionsFlags() const
{
return ConsoleFormat | OpenDocument | Optimize;
}
} // namespace pdftool