squarefrompoints.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 <opencv2/imgproc/imgproc.hpp>
#include <openbr/plugins/openbr_internal.h>
#include <openbr/core/opencvutils.h>
using namespace cv;
namespace br
{
/*!
* \ingroup transforms
* \brief Creates a bounding square around three points (typically the two eyes and the chin).
* \author Scott Klum \cite sklum
* \br_property int eyeL index of left eye point.
* \br_property int eyeR Index of right eye point.
* \br_property int chin Index of chin point.
*/
class SquareFromPointsTransform : public UntrainableMetadataTransform
{
Q_OBJECT
Q_PROPERTY(int eyeR READ get_eyeR WRITE set_eyeR RESET reset_eyeR STORED false)
Q_PROPERTY(int eyeL READ get_eyeL WRITE set_eyeL RESET reset_eyeL STORED false)
Q_PROPERTY(int chin READ get_chin WRITE set_chin RESET reset_chin STORED false)
BR_PROPERTY(int, eyeL, 7)
BR_PROPERTY(int, eyeR, 10)
BR_PROPERTY(int, chin, 20)
void projectMetadata(const File &src, File &dst) const
{
dst = src;
QList<QPointF> points = src.points();
float side = points[chin].y() - points[eyeL].y();
float left = points[eyeL].x()+(points[eyeR].x() - points[eyeL].x())/2.-side/2.;
QRectF rect(left,points[eyeL].y(),side,side);
dst.setRects(OpenCVUtils::toRects(QList<QRectF>() << rect));
}
};
BR_REGISTER(Transform, SquareFromPointsTransform)
} // namespace br
#include "metadata/squarefrompoints.moc"