From b423c5321d1417bd027ba079d6540487f2759baa Mon Sep 17 00:00:00 2001
From: Josh Klontz <josh@rankone.io>
Date: Tue, 31 Aug 2021 17:48:32 -0600
Subject: [PATCH] remove download transform

---
 openbr/plugins/io/download.cpp | 126 ------------------------------------------------------------------------------------------------------------------------------
 1 file changed, 0 insertions(+), 126 deletions(-)
 delete mode 100644 openbr/plugins/io/download.cpp

diff --git a/openbr/plugins/io/download.cpp b/openbr/plugins/io/download.cpp
deleted file mode 100644
index dbffb5e..0000000
--- a/openbr/plugins/io/download.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * 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 transforms
- * \brief Downloads an image from a URL
- * \author Josh Klontz \cite jklontz
- */
-class DownloadTransform : public UntrainableMetaTransform
-{
-    Q_OBJECT
-    Q_ENUMS(Mode)
-    Q_PROPERTY(Mode mode READ get_mode WRITE set_mode RESET reset_mode STORED false)
-
-public:
-    enum Mode { Permissive,
-                Encoded,
-                Decoded };
-private:
-    BR_PROPERTY(Mode, mode, Encoded)
-
-    // The reasons for this data structure are as follows:
-    // 1) The QNetworkAccessManager must be used in the thread that _created_ it,
-    //    hence the use of `QThreadStorage`.
-    // 2) The QThreadStorage must be deleted _after_ the threads that added QNetworkAccessManager
-    //    to it are deleted, hence the `static` ensuring that `nam` is deleted at program termination,
-    //    long after the threads that created QNetworkAccessManager are deleted.
-    static QThreadStorage<QNetworkAccessManager*> nam;
-
-    void project(const Template &src, Template &dst) const
-    {
-        dst.file = src.file;
-        QString url = src.file.get<QString>("URL", src.file.name).simplified();
-        if (!url.contains("://"))
-            url = "file://" + url;
-        dst.file.set("URL", url);
-
-        static const QRegularExpression regExp("file:///[A-Z]:/");
-
-        if (url.contains(regExp))
-            url = url.mid(8);
-        else if (url.startsWith("file://"))
-            url = url.mid(7);
-
-        QIODevice *device = NULL;
-        if (QFileInfo(url).exists()) {
-            device = new QFile(url);
-            device->open(QIODevice::ReadOnly);
-        } else {
-            if (!nam.hasLocalData())
-                nam.setLocalData(new QNetworkAccessManager());
-            const QUrl qURL(url, QUrl::StrictMode);
-            if (qURL.isValid() && !qURL.isRelative()) {
-                QNetworkRequest req = QNetworkRequest(qURL);
-                req.setRawHeader("User-Agent", "br");
-                QNetworkReply *reply = nam.localData()->get(req);
-
-                reply->waitForReadyRead(-1);
-                while (!reply->isFinished())
-                    QCoreApplication::processEvents();
-
-                if (reply->error() != QNetworkReply::NoError) {
-                    qDebug() << reply->errorString() << url;
-                    reply->deleteLater();
-                } else {
-                    device = reply;
-                }
-            }
-        }
-
-        QByteArray data;
-        if (device) {
-            data = device->readAll();
-            delete device;
-            device = NULL;
-        }
-
-        if (!data.isEmpty()) {
-            Mat encoded(1, data.size(), CV_8UC1, (void*)data.data());
-            encoded = encoded.clone();
-            if (mode == Permissive) {
-                dst += encoded;
-            } else {
-                Mat decoded = imdecode(encoded, IMREAD_UNCHANGED);
-                if (!decoded.empty())
-                    dst += (mode == Encoded) ? encoded : decoded;
-            }
-
-            dst.file.set("ImageID", QVariant(QCryptographicHash::hash(data, QCryptographicHash::Md5).toHex()));
-            dst.file.set("AlgorithmID", data.isEmpty() ? 0 : (mode == Decoded ? 5 : 3));
-        } else {
-            dst.file.fte = true;
-            qWarning("Error opening %s", qPrintable(url));
-        }
-    }
-};
-QThreadStorage<QNetworkAccessManager*> DownloadTransform::nam;
-
-BR_REGISTER(Transform, DownloadTransform)
-
-} // namespace br
-
-#include "io/download.moc"
--
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