File indexing completed on 2025-04-27 04:08:16
0001 /* This file is part of the KDE project 0002 * SPDX-FileCopyrightText: 2012 Boudewijn Rempt <boud@valdyas.org> 0003 * 0004 * SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 #include "RecentImageImageProvider.h" 0008 #include <QFile> 0009 #include <QImage> 0010 0011 #include <KoStore.h> 0012 #include <KisDocument.h> 0013 0014 RecentImageImageProvider::RecentImageImageProvider() 0015 : QQuickImageProvider(QQuickImageProvider::Image) 0016 { 0017 } 0018 0019 QImage RecentImageImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize) 0020 { 0021 int width = 38; 0022 int height = 38; 0023 0024 if (size) { 0025 *size = QSize(width, height); 0026 } 0027 0028 QSize sz(requestedSize.width() > 0 ? requestedSize.width() : width, 0029 requestedSize.height() > 0 ? requestedSize.height() : height); 0030 0031 QFile f(id); 0032 QImage thumbnail; 0033 0034 if (f.exists()) { 0035 if (f.fileName().endsWith(".kra", Qt::CaseInsensitive)) { 0036 // try to use any embedded thumbnail 0037 KoStore *store = KoStore::createStore(id, KoStore::Read); 0038 KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(store, QImage()); 0039 0040 QString thumbnailPath = QLatin1String("Thumbnails/thumbnail.png"); 0041 QString previewPath = QLatin1String("preview.png"); 0042 bool thumbnailExists = store->hasFile(thumbnailPath); 0043 bool previewExists = store->hasFile(previewPath); 0044 QString pathToUse = thumbnailExists ? thumbnailPath : (previewExists ? previewPath : ""); 0045 0046 if (!pathToUse.isEmpty() && store->open(pathToUse)) { 0047 // Hooray! No long delay for the user... 0048 const QByteArray thumbnailData = store->read(store->size()); 0049 0050 if (thumbnail.loadFromData(thumbnailData) && 0051 (thumbnail.width() >= width || thumbnail.height() >= height)) { 0052 thumbnail = thumbnail.scaled(sz, Qt::KeepAspectRatio, Qt::SmoothTransformation); 0053 } 0054 } 0055 delete store; 0056 0057 } 0058 else { 0059 QImage img(id); 0060 if (img.width() >= sz.width() || img.height() >= sz.height()) { 0061 thumbnail = img.scaled(sz, Qt::KeepAspectRatio, Qt::SmoothTransformation); 0062 } 0063 } 0064 } 0065 return thumbnail; 0066 }