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thumbnail/opendocumentcreator.cpp
| 1 | /* | 1 | /* | ||
|---|---|---|---|---|---|
| 2 | * Copyright (c) 2018 Kai Uwe Broulik <kde@broulik.de> | 2 | * Copyright (c) 2018-2019 Kai Uwe Broulik <kde@broulik.de> | ||
| 3 | * | 3 | * | ||
| 4 | * This library is free software; you can redistribute it and/or | 4 | * This library is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) version 3, or any | 7 | * version 2.1 of the License, or (at your option) version 3, or any | ||
| 8 | * later version accepted by the membership of KDE e.V. (or its | 8 | * later version accepted by the membership of KDE e.V. (or its | ||
| 9 | * successor approved by the membership of KDE e.V.), which shall | 9 | * successor approved by the membership of KDE e.V.), which shall | ||
| 10 | * act as a proxy defined in Section 6 of version 3 of the license. | 10 | * act as a proxy defined in Section 6 of version 3 of the license. | ||
| Show All 30 Lines | 40 | { | |||
| 41 | Q_UNUSED(width); | 41 | Q_UNUSED(width); | ||
| 42 | Q_UNUSED(height); | 42 | Q_UNUSED(height); | ||
| 43 | 43 | | |||
| 44 | KZip zip(path); | 44 | KZip zip(path); | ||
| 45 | if (!zip.open(QIODevice::ReadOnly)) { | 45 | if (!zip.open(QIODevice::ReadOnly)) { | ||
| 46 | return false; | 46 | return false; | ||
| 47 | } | 47 | } | ||
| 48 | 48 | | |||
| 49 | // Open Document | ||||
| 49 | const KArchiveEntry *entry = zip.directory()->entry(QStringLiteral("Thumbnails/thumbnail.png")); | 50 | const KArchiveEntry *entry = zip.directory()->entry(QStringLiteral("Thumbnails/thumbnail.png")); | ||
| 50 | 51 | | |||
| 52 | if (entry && entry->isFile()) { | ||||
| 53 | const KZipFileEntry *zipFileEntry = static_cast<const KZipFileEntry *>(entry); | ||||
| 54 | | ||||
| 55 | if (image.loadFromData(zipFileEntry->data(), "PNG")) { | ||||
| 56 | return true; | ||||
| 57 | } | ||||
| 58 | } | ||||
| 59 | | ||||
| 60 | // Office "Open" XML | ||||
| 61 | const KArchiveEntry *docPropsEntry = zip.directory()->entry(QStringLiteral("docProps")); | ||||
| 62 | | ||||
| 63 | if (docPropsEntry && docPropsEntry->isDirectory()) { | ||||
| 64 | const auto *docsPropsDir = static_cast<const KArchiveDirectory *>(docPropsEntry); | ||||
| 65 | | ||||
| 66 | const QStringList files = docsPropsDir->entries(); | ||||
| 67 | | ||||
| 68 | for (const QString &file : files) { | ||||
| 69 | // can be any format (usually .jpeg, but also .jpg, or .emf for templates) | ||||
| 70 | if (!file.startsWith(QLatin1String("thumbnail"), Qt::CaseInsensitive)) { | ||||
| 71 | continue; | ||||
| 72 | } | ||||
| 73 | | ||||
| 74 | entry = docsPropsDir->entry(file); | ||||
| 51 | if (!entry || !entry->isFile()) { | 75 | if (!entry || !entry->isFile()) { | ||
| 52 | return false; | 76 | continue; | ||
| 53 | } | 77 | } | ||
| 54 | 78 | | |||
| 55 | const KZipFileEntry *zipFileEntry = static_cast<const KZipFileEntry *>(entry); | 79 | const KZipFileEntry *zipFileEntry = static_cast<const KZipFileEntry *>(entry); | ||
| 56 | return image.loadFromData(zipFileEntry->data(), "PNG"); | 80 | return image.loadFromData(zipFileEntry->data()); | ||
| 81 | } | ||||
| 82 | } | ||||
| 83 | | ||||
| 84 | return false; | ||||
| 57 | } | 85 | } | ||