File indexing completed on 2025-01-05 03:58:14

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2018-10-25
  * Description : An unit-test to extract preview and patch with DMetadata.
  *               This stage is used by Export tools.
  *
  * SPDX-FileCopyrightText: 2019-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "patchpreview_utest.h"
 
 // Qt includes
 
 #include <QImage>
 #include <QByteArray>
 
 // Local includes
 
 #include "dpluginloader.h"
 #include "previewloadthread.h"
 
 QTEST_MAIN(PatchPreviewTest)
 
 PatchPreviewTest::PatchPreviewTest(QObject* const parent)
     : AbstractUnitTest(parent)
 {
 }
 
 void PatchPreviewTest::testExtractPreviewAndFixMetadata()
 {
     patchPreview(m_originalImageFolder + QLatin1String("IMG_2520.CR2"), true, 1024, 100); // See bug #400140
 }
 
 void PatchPreviewTest::patchPreview(const QString& file, bool rescale, int maxDim, int imageQuality)
 {
     qCDebug(DIGIKAM_TESTS_LOG) << "File to process:" << file;
 
     QString path = m_tempDir.filePath(QFileInfo(file).fileName().trimmed()) +
                    QLatin1String(".jpg");
 
     qCDebug(DIGIKAM_TESTS_LOG) << "Temporary target file:" << path;
 
     bool ret = !path.isNull();
     QVERIFY(ret);
 
     // Load preview from original image.
 
     QImage image = PreviewLoadThread::loadHighQualitySynchronously(file).copyQImage();
 
     if (image.isNull())
     {
         image.load(file);
     }
 
     ret = image.isNull();
     QVERIFY(!ret);
 
     if (rescale && (image.width() > maxDim || image.height() > maxDim))
     {
         image = image.scaled(maxDim, maxDim, Qt::KeepAspectRatio, Qt::SmoothTransformation);
     }
 
     // Save preview in temporary directory.
 
     ret = image.save(path, "JPEG", imageQuality);
     QVERIFY(ret);
 
     // Load metadata from original image.
     QScopedPointer<DMetadata> meta(new DMetadata);
     ret = meta->load(file);
     QVERIFY(ret);
 
     QByteArray exif = meta->getExifEncoded();
     QByteArray iptc = meta->getIptc();
     QByteArray xmp  = meta->getXmp();
 
     // Backport metadata to preview file.
 
     meta->load(path);
     QVERIFY(ret);
 
     meta->setExif(exif);
     meta->setIptc(iptc);
     meta->setXmp(xmp);
     meta->setItemDimensions(image.size());
     meta->setItemOrientation(MetaEngine::ORIENTATION_NORMAL);
     meta->setMetadataWritingMode((int)DMetadata::WRITE_TO_FILE_ONLY);
     ret = meta->applyChanges(true);
     QVERIFY(ret);
 }
 
 void PatchPreviewTest::initTestCase()
 {
     AbstractUnitTest::initTestCase();
 
     QDir dir(qApp->applicationDirPath());
     qputenv("DK_PLUGIN_PATH", dir.canonicalPath().toUtf8());
     DPluginLoader::instance()->init();
 }
 
 void PatchPreviewTest::cleanupTestCase()
 {
     AbstractUnitTest::cleanupTestCase();
 
     DPluginLoader::instance()->cleanUp();
 }
 
 #include "moc_patchpreview_utest.cpp"