70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/*
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* Copyright (c) 2020-2022 Meltytech, LLC
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*
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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 "qimagejob.h"
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#include "util.h"
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#include <QImage>
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#include <QImageReader>
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#include <QRunnable>
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#include <QtConcurrent/QtConcurrent>
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QImageJob::QImageJob(const QString &destFilePath, const QString &srcFilePath, const int height)
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: AbstractJob(srcFilePath)
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, m_srcFilePath(srcFilePath)
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, m_destFilePath(destFilePath)
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, m_height(height)
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{
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setTarget(destFilePath);
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setLabel(tr("Make proxy for %1").arg(Util::baseName(srcFilePath)));
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}
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QImageJob::~QImageJob()
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{
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if (m_destFilePath.contains("proxies") && m_destFilePath.contains(".pending.")) {
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QFile::remove(m_destFilePath);
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}
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}
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void QImageJob::start()
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{
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AbstractJob::start();
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auto result = QtConcurrent::run([=]() {
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appendToLog(QStringLiteral("Reading source image \"%1\"\n").arg(m_srcFilePath));
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QImageReader reader;
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reader.setAutoTransform(true);
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reader.setDecideFormatFromContent(true);
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reader.setFileName(m_srcFilePath);
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QImage image(reader.read());
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if (!image.isNull()) {
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image = image.scaledToHeight(m_height, Qt::SmoothTransformation);
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if (image.save(m_destFilePath)) {
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appendToLog(
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QStringLiteral("Successfully saved image as \"%1\"\n").arg(m_destFilePath));
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QMetaObject::invokeMethod(this, "onFinished", Qt::QueuedConnection, Q_ARG(int, 0));
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} else {
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appendToLog(QStringLiteral("Failed to save image as \"%1\"\n").arg(m_destFilePath));
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QMetaObject::invokeMethod(this, "onFinished", Qt::QueuedConnection, Q_ARG(int, 1));
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}
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} else {
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appendToLog(QStringLiteral("Failed to read source image \"%1\"\n").arg(m_srcFilePath));
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QMetaObject::invokeMethod(this, "onFinished", Qt::QueuedConnection, Q_ARG(int, 1));
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}
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});
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}
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