url.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <QtNetwork>
#include <opencv2/highgui/highgui.hpp>
#include <openbr/plugins/openbr_internal.h>
using namespace cv;
namespace br
{
/*!
* \ingroup formats
* \brief Reads image files from the web.
* \author Josh Klontz \cite jklontz
*/
class urlFormat : public Format
{
Q_OBJECT
Template read() const
{
Template t;
QNetworkAccessManager networkAccessManager;
QNetworkRequest request(QString(file.name).remove(".url"));
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork);
QNetworkReply *reply = networkAccessManager.get(request);
while (!reply->isFinished()) QCoreApplication::processEvents();
if (reply->error()) qWarning("%s (%s)", qPrintable(reply->errorString()), qPrintable(QString::number(reply->error())));
QByteArray data = reply->readAll();
delete reply;
Mat m = imdecode(Mat(1, data.size(), CV_8UC1, data.data()), 1);
if (m.data) t.append(m);
return t;
}
void write(const Template &t) const
{
(void) t;
qFatal("Not supported.");
}
};
BR_REGISTER(Format, urlFormat)
} // namespace br
#include "format/url.moc"