本文整理汇总了C++中QVariantHash::empty方法的典型用法代码示例。如果您正苦于以下问题：C++ QVariantHash::empty方法的具体用法？C++ QVariantHash::empty怎么用？C++ QVariantHash::empty使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QVariantHash的用法示例。
在下文中一共展示了QVariantHash::empty方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: processDecode
/**
* Runs in a pooled thread.
*/
void AutoBarcodeScanner::processDecode() {
qDebug() << "processDecode() is called from " << QThread::currentThread();
bool scanActive = true;
QString code;
QVariantHash result;
while (scanActive) {
// timeout timer and deconstructor can abort scan process
m_scanProcessMutex.lock();
scanActive = !m_flagScanAbort;
if (!scanActive) {
qDebug() << "decoding aborted";
}
m_scanProcessMutex.unlock();
if (scanActive) {
QDBusMessage m = QDBusMessage::createMethodCall("org.nemomobile.lipstick", "/org/nemomobile/lipstick/screenshot", "org.nemomobile.lipstick", "saveScreenshot");
m << m_decoder->getCaptureLocation();
QDBusConnection::sessionBus().call(m);
QImage screenshot(m_decoder->getCaptureLocation());
// crop the image - we need only the viewfinder
QImage copy = screenshot.copy(m_viewFinderRect);
copy.save(m_decoder->getCaptureLocation());
result = m_decoder->decodeBarcodeFromCache();
code = result["content"].toString();
if (code.isEmpty()) {
// try for 1D bar code the other orientation
QTransform transform;
transform.rotate(90);
copy = copy.transformed(transform);
copy.save(m_decoder->getCaptureLocation());
result = m_decoder->decodeBarcodeFromCache();
code = result["content"].toString();
}
if (!code.isEmpty()) {
m_timeoutTimer->stop();
scanActive = false;
qDebug() << "bar code found";
}
}
}
if (!result.empty()) {
QList<QVariant> points = result["points"].toList();
markLastCaptureImage(points);
}
qDebug() << "decoding has been finished, result: " + code;
emit decodingFinished(code);
m_scanProcessMutex.lock();
m_flagScanRunning = false;
m_timeoutTimer->stop();
// wake deconstructor or stopScanning method
qDebug() << "m_scanProcessStopped.wakeAll";
m_scanProcessStopped.wakeAll();
m_scanProcessMutex.unlock();
}示例2: zipModel
bool ModelPackager::zipModel() {
QTemporaryDir dir;
dir.setAutoRemove(true);
QDir tempDir(dir.path());
QByteArray nameField = _mapping.value(NAME_FIELD).toByteArray();
tempDir.mkpath(nameField + "/textures");
tempDir.mkpath(nameField + "/scripts");
QDir fbxDir(tempDir.path() + "/" + nameField);
QDir texDir(fbxDir.path() + "/textures");
QDir scriptDir(fbxDir.path() + "/scripts");
// Copy textures
listTextures();
if (!_textures.empty()) {
QByteArray texdirField = _mapping.value(TEXDIR_FIELD).toByteArray();
_texDir = _modelFile.path() + "/" + texdirField;
copyTextures(_texDir, texDir);
}
// Copy scripts
QByteArray scriptField = _mapping.value(SCRIPT_FIELD).toByteArray();
_mapping.remove(SCRIPT_FIELD);
if (scriptField.size() > 1) {
tempDir.mkpath(nameField + "/scripts");
_scriptDir = _modelFile.path() + "/" + scriptField;
QDir wdir = QDir(_scriptDir);
_mapping.remove(SCRIPT_FIELD);
wdir.setSorting(QDir::Name | QDir::Reversed);
auto list = wdir.entryList(QDir::NoDotAndDotDot | QDir::AllEntries);
for (auto script : list) {
auto sc = tempDir.relativeFilePath(scriptDir.path()) + "/" + QUrl(script).fileName();
_mapping.insertMulti(SCRIPT_FIELD, sc);
}
copyDirectoryContent(wdir, scriptDir);
}
// Copy LODs
QVariantHash lodField = _mapping.value(LOD_FIELD).toHash();
if (!lodField.empty()) {
for (auto it = lodField.constBegin(); it != lodField.constEnd(); ++it) {
QString oldPath = _modelFile.path() + "/" + it.key();
QFile lod(oldPath);
QString newPath = fbxDir.path() + "/" + QFileInfo(lod).fileName();
if (lod.exists()) {
lod.copy(newPath);
}
}
}
// Copy FBX
QFile fbx(_fbxInfo.filePath());
QByteArray filenameField = _mapping.value(FILENAME_FIELD).toByteArray();
QString newPath = fbxDir.path() + "/" + QFileInfo(filenameField).fileName();
fbx.copy(newPath);
// Correct FST
_mapping[FILENAME_FIELD] = tempDir.relativeFilePath(newPath);
_mapping[TEXDIR_FIELD] = tempDir.relativeFilePath(texDir.path());
for (auto multi : _mapping.values(SCRIPT_FIELD)) {
multi.fromValue(tempDir.relativeFilePath(scriptDir.path()) + multi.toString());
}
// Copy FST
QFile fst(tempDir.path() + "/" + nameField + ".fst");
if (fst.open(QIODevice::WriteOnly)) {
fst.write(FSTReader::writeMapping(_mapping));
fst.close();
} else {
qCDebug(interfaceapp) << "Couldn't write FST file" << fst.fileName();
return false;
}
QString saveDirPath = QFileDialog::getExistingDirectory(nullptr, "Save Model",
"", QFileDialog::ShowDirsOnly);
if (saveDirPath.isEmpty()) {
qCDebug(interfaceapp) << "Invalid directory" << saveDirPath;
return false;
}
QDir saveDir(saveDirPath);
copyDirectoryContent(tempDir, saveDir);
return true;
}示例3: zipModel
bool ModelPackager::zipModel() {
QTemporaryDir dir;
dir.setAutoRemove(true);
QDir tempDir(dir.path());
QByteArray nameField = _mapping.value(NAME_FIELD).toByteArray();
tempDir.mkpath(nameField + "/textures");
QDir fbxDir(tempDir.path() + "/" + nameField);
QDir texDir(fbxDir.path() + "/textures");
// Copy textures
listTextures();
if (!_textures.empty()) {
QByteArray texdirField = _mapping.value(TEXDIR_FIELD).toByteArray();
_texDir = _modelFile.path() + "/" + texdirField;
copyTextures(_texDir, texDir);
}
// Copy LODs
QVariantHash lodField = _mapping.value(LOD_FIELD).toHash();
if (!lodField.empty()) {
for (auto it = lodField.constBegin(); it != lodField.constEnd(); ++it) {
QString oldPath = _modelFile.path() + "/" + it.key();
QFile lod(oldPath);
QString newPath = fbxDir.path() + "/" + QFileInfo(lod).fileName();
if (lod.exists()) {
lod.copy(newPath);
}
}
}
// Copy FBX
QFile fbx(_fbxInfo.filePath());
QByteArray filenameField = _mapping.value(FILENAME_FIELD).toByteArray();
QString newPath = fbxDir.path() + "/" + QFileInfo(filenameField).fileName();
fbx.copy(newPath);
// Correct FST
_mapping[FILENAME_FIELD] = tempDir.relativeFilePath(newPath);
_mapping[TEXDIR_FIELD] = tempDir.relativeFilePath(texDir.path());
// Copy FST
QFile fst(tempDir.path() + "/" + nameField + ".fst");
if (fst.open(QIODevice::WriteOnly)) {
fst.write(FSTReader::writeMapping(_mapping));
fst.close();
} else {
qCDebug(interfaceapp) << "Couldn't write FST file" << fst.fileName();
return false;
}
QString saveDirPath = QFileDialog::getExistingDirectory(nullptr, "Save Model",
"", QFileDialog::ShowDirsOnly);
if (saveDirPath.isEmpty()) {
qCDebug(interfaceapp) << "Invalid directory" << saveDirPath;
return false;
}
QDir saveDir(saveDirPath);
copyDirectoryContent(tempDir, saveDir);
return true;
}