/**
* This tests the decompression using kfilterdev, basically.
* To debug KTarPrivate::fillTempFile().
*
* @dataProvider setupData
*/
void KArchiveTest::testUncompress()
{
QFETCH(QString, fileName);
QFETCH(QString, mimeType);
// testCreateTar must have been run first.
QVERIFY(QFile::exists(fileName));
KFilterDev filterDev(fileName);
QByteArray buffer;
buffer.resize(8 * 1024);
//qDebug() << "buffer.size()=" << buffer.size();
QVERIFY(filterDev.open(QIODevice::ReadOnly));
qint64 totalSize = 0;
qint64 len = -1;
while (!filterDev.atEnd() && len != 0) {
len = filterDev.read(buffer.data(), buffer.size());
QVERIFY(len >= 0);
totalSize += len;
// qDebug() << "read len=" << len << " totalSize=" << totalSize;
}
filterDev.close();
// qDebug() << "totalSize=" << totalSize;
QVERIFY(totalSize > 26000); // 27648 here when using gunzip
}
void imagesequence::selectFilter()
{
INDI_P * filterProp(NULL);
INDI_E * filterElem(NULL);
INDI_D * filterDev(NULL);
INDIMenu *devMenu = ksw->getINDIMenu();
// Let's select a new filter in acoord with the settings
// We need to take into consideration the following conditions:
// A. The device has been disconnected.
// B. The device has been lost.
// C. The property is still busy.
// D. The property has been lost.
// We have a filter, let's check if it's valid
if (!verifyFilterIntegrity())
return;
filterDev = devMenu->findDeviceByLabel(currentFilter);
filterProp = filterDev->findProp("FILTER_SLOT");
filterElem = filterProp->findElement("SLOT");
// Do we need to change the filter position??
if (filterPosCombo->currentItem() == filterElem->read_w->text().toInt())
{
captureImage();
return;
}
if (filterProp->perm == PP_RW || filterProp->perm == PP_WO)
{
filterElem->targetValue = filterPosCombo->currentItem();
if (filterElem->spin_w)
{
filterElem->spin_w->setValue(filterElem->targetValue);
filterElem->spinChanged(filterElem->targetValue);
}
else
filterElem->write_w->setText(QString("%1").arg(filterElem->targetValue));
// We're done! Send it to the driver
filterProp->newText();
}
}
/*
* If we have created a temporary file, we have
* to decompress the original file now and write
* the contents to the temporary file.
*/
bool KTar::KTarPrivate::fillTempFile( const QString & fileName) {
if ( ! tmpFile )
return true;
//qDebug() << "filling tmpFile of mimetype" << mimetype;
KCompressionDevice::CompressionType compressionType = KFilterDev::compressionTypeForMimeType(mimetype);
KCompressionDevice filterDev(fileName, compressionType);
QFile* file = tmpFile;
Q_ASSERT(file->isOpen());
Q_ASSERT(file->openMode() & QIODevice::WriteOnly);
file->seek(0);
QByteArray buffer;
buffer.resize(8*1024);
if ( ! filterDev.open( QIODevice::ReadOnly ) )
{
return false;
}
qint64 len = -1;
while ( !filterDev.atEnd() && len != 0 ) {
len = filterDev.read(buffer.data(),buffer.size());
if ( len < 0 ) { // corrupted archive
return false;
}
if ( file->write(buffer.data(), len) != len ) { // disk full
return false;
}
}
filterDev.close();
file->flush();
file->seek(0);
Q_ASSERT(file->isOpen());
Q_ASSERT(file->openMode() & QIODevice::ReadOnly);
//qDebug() << "filling tmpFile finished.";
return true;
}
