コード例 #1
0
ファイル: taskmanager.cpp プロジェクト: serghei/kde3-kdeutils
void Task::updateThumbnail()
{
  if ( !isOnCurrentDesktop() )
    return;
  if ( !isActive() )
    return;
  if ( !_grab.isNull() ) // We're already processing one...
    return;

   //
   // We do this as a two stage process to remove the delay caused
   // by the thumbnail generation. This makes things much smoother
   // on slower machines.
   //
  QWidget *rootWin = qApp->desktop();
#ifdef KDE_3_2
  QRect geom = _info.geometry();
#else
  QRect geom = _info.geometry;
#endif
   _grab = QPixmap::grabWindow( rootWin->winId(),
        geom.x(), geom.y(),
        geom.width(), geom.height() );

   if ( !_grab.isNull() )
     QTimer::singleShot( 200, this, SLOT( generateThumbnail() ) );
}
コード例 #2
0
QImage NemoThumbnailProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize)
{
    setupCache();

    // needed for stupid things like gallery model, which pass us a url
    if (id.startsWith("file://")) {
//        qWarning() << Q_FUNC_INFO << "Removing file:// prefix, before: " << id;
        QString &nid = const_cast<QString &>(id);
        nid = nid.remove(0, 7);
    }

    TDEBUG() << Q_FUNC_INFO << "Requested image: " << id << " with size " << requestedSize;

    // sourceSize should indicate what size thumbnail you want. i.e. if you want a 120x120px thumbnail,
    // set sourceSize: Qt.size(120, 120).
    if (!requestedSize.isValid())
        qFatal("You must request a sourceSize whenever you use nemoThumbnail");

    if (size)
        *size = requestedSize;

    QByteArray hashData = cacheKey(id, requestedSize);
    QImage img = attemptCachedServe(id, hashData);
    if (!img.isNull()) {
        TDEBUG() << Q_FUNC_INFO << "Read " << id << " from cache";
        return img;
    }

    return generateThumbnail(id, hashData, requestedSize);
}
コード例 #3
0
ファイル: thumbnail.c プロジェクト: 3v1n0/wxWidgets
int
main(int argc, char* argv[])
{
    TIFF* in;
    TIFF* out;
    int c;

    while ((c = getopt(argc, argv, "w:h:c:")) != -1) {
	switch (c) {
	case 'w':	tnw = strtoul(optarg, NULL, 0); break;
	case 'h':	tnh = strtoul(optarg, NULL, 0); break;
	case 'c':	contrast = streq(optarg, "exp50") ? EXP50 :
				   streq(optarg, "exp60") ? EXP60 :
				   streq(optarg, "exp70") ? EXP70 :
				   streq(optarg, "exp80") ? EXP80 :
				   streq(optarg, "exp90") ? EXP90 :
				   streq(optarg, "exp")   ? EXP :
				   streq(optarg, "linear")? LINEAR :
							    EXP;
			break;
	default:	usage();
	}
    }
    if (argc-optind != 2)
	usage();

    out = TIFFOpen(argv[optind+1], "w");
    if (out == NULL)
	return 2;
    in = TIFFOpen(argv[optind], "r");
    if( in == NULL )
        return 2;

    thumbnail = (uint8*) _TIFFmalloc(tnw * tnh);
    if (!thumbnail) {
	    TIFFError(TIFFFileName(in),
		      "Can't allocate space for thumbnail buffer.");
	    return 1;
    }

    if (in != NULL) {
	initScale();
	do {
	    if (!generateThumbnail(in, out))
		goto bad;
	    if (!cpIFD(in, out) || !TIFFWriteDirectory(out))
		goto bad;
	} while (TIFFReadDirectory(in));
	(void) TIFFClose(in);
    }
    (void) TIFFClose(out);
    return 0;
bad:
    (void) TIFFClose(out);
    return 1;
}
コード例 #4
0
ファイル: videoparser.cpp プロジェクト: dmore/sasquatch
// ## See if DELETE+INSERT is the best approach. Sqlite3 supports INSERT OR IGNORE which could aslo be used
// ## Also check other upsert methods
QList<QSqlRecord> VideoParser::updateMediaInfos(const QList<QFileInfo> &fis, const QString &searchPath, QSqlDatabase db)
{
    Q_UNUSED(searchPath);
    QList<QSqlRecord> records;
    QSqlQuery query(db);
    ScopedTransaction transaction(db);

    foreach(const QFileInfo &fi, fis) {
        DEBUG << "Updating " << fi.absoluteFilePath();
        query.prepare("DELETE FROM video WHERE filepath=:filepath");
        query.bindValue(":filepath", fi.absoluteFilePath());
        if (!query.exec())
            qWarning() << query.lastError().text();

        if (!query.prepare("INSERT INTO video (filepath, title, thumbnail, uri, directory, mtime, ctime, filesize, show, season) "
                           " VALUES (:filepath, :title, :thumbnail, :uri, :directory, :mtime, :ctime, :filesize, :show, :season)")) {
            qWarning() << query.lastError().text();
            return records;
        }

        query.bindValue(":filepath", fi.absoluteFilePath());
        query.bindValue(":title", determineTitle(fi));
        query.bindValue(":thumbnail", generateThumbnail(m_settings, fi));
        query.bindValue(":uri", QUrl::fromLocalFile(fi.absoluteFilePath()).toEncoded());

        query.bindValue(":directory", fi.absolutePath() + '/');
        query.bindValue(":mtime", fi.lastModified().toTime_t());
        query.bindValue(":ctime", fi.created().toTime_t());
        query.bindValue(":filesize", fi.size());

        QPair<QString, QString> showAndSeason = determineShowAndSeason(fi, searchPath);
        query.bindValue(":show", showAndSeason.first);
        query.bindValue(":season", showAndSeason.second);

        if (!query.exec())
            qWarning() << query.lastError().text();
        
        QSqlRecord record;
        record.append(QSqlField("id", QVariant::Int));
        record.setValue(0, query.lastInsertId());
        QMap<QString, QVariant> boundValues = query.boundValues();
        for (QMap<QString, QVariant>::const_iterator it = boundValues.constBegin(); it != boundValues.constEnd(); ++it) {
            QString key = it.key().mid(1); // remove the ':'
            record.append(QSqlField(key, (QVariant::Type) it.value().type()));
            record.setValue(key, it.value());
        }
        records.append(record);
    }
コード例 #5
0
ファイル: bladerunner.cpp プロジェクト: BenCastricum/scummvm
Common::Error BladeRunnerEngine::saveGameState(int slot, const Common::String &desc) {
	Common::OutSaveFile *saveFile = BladeRunner::SaveFileManager::openForSaving(_targetName, slot);
	if (saveFile == nullptr || saveFile->err()) {
		delete saveFile;
		return Common::kReadingFailed;
	}

	Graphics::Surface thumbnail = generateThumbnail();

	BladeRunner::SaveFileHeader header;
	header._name = desc;

	BladeRunner::SaveFileManager::writeHeader(*saveFile, header);

	saveGame(*saveFile, thumbnail);

	saveFile->finalize();

	thumbnail.free();

	delete saveFile;

	return Common::kNoError;
}
コード例 #6
0
void VideoThumbnailer::generateThumbnail(const QString& videoFile, QImage &image)
{
    ImageWriter* imageWriter = new  ImageWriter();
    generateThumbnail(videoFile, *imageWriter, image);
    delete imageWriter;
}