reorderpoints.cpp
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#include <openbr/plugins/openbr_internal.h>
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 <openbr/core/common.h>
namespace br
{
/*!
* \ingroup transforms
* \brief Reorder the points such that points[from[i]] becomes points[to[i]] and
* vice versa
* \author Scott Klum \cite sklum
*/
class ReorderPointsTransform : public UntrainableMetadataTransform
{
Q_OBJECT
Q_PROPERTY(QList<int> from READ get_from WRITE set_from RESET reset_from STORED false)
Q_PROPERTY(QList<int> to READ get_to WRITE set_to RESET reset_to STORED false)
BR_PROPERTY(QList<int>, from, QList<int>())
BR_PROPERTY(QList<int>, to, QList<int>())
void projectMetadata(const File &src, File &dst) const
{
if (from.size() == to.size()) {
QList<QPointF> points = src.points();
int size = src.points().size();
if (!points.contains(QPointF(-1,-1)) && Common::Max(from) < size && Common::Max(to) < size) {
for (int i=0; i<from.size(); i++) {
std::swap(points[from[i]],points[to[i]]);
}
dst.setPoints(points);
}
} else qFatal("Inconsistent sizes for to and from index lists.");
}
};
BR_REGISTER(Transform, ReorderPointsTransform)
} // namespace br
#include "metadata/reorderpoints.moc"