opencvutils.h
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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef __OPENCVUTILS_H
#define __OPENCVUTILS_H
#include <QDataStream>
#include <QDebug>
#include <QString>
#include <QStringList>
#include <opencv2/core/core.hpp>
namespace OpenCVUtils
{
// Test/write/display image
void saveImage(const cv::Mat &src, const QString &file);
void showImage(const cv::Mat &src, const QString &window = "OpenBR", bool waitKey = true);
// Convert image
void cvtGray(const cv::Mat &src, cv::Mat &dst);
void cvtUChar(const cv::Mat &src, cv::Mat &dst);
// To image
cv::Mat toMat(const QList<float> &src, int rows = -1);
cv::Mat toMat(const QList<cv::Mat> &src); // Data organized one matrix per row
cv::Mat toMatByRow(const QList<cv::Mat> &src); // Data organized one row per row
// From image
QString elemToString(const cv::Mat &m, int r, int c);
float elemToFloat(const cv::Mat &m, int r, int c);
QStringList matrixToStringList(const cv::Mat &m);
QList<float> matrixToVector(const cv::Mat &m);
// Conversions
cv::Point2f toPoint(const QPointF &qPoint);
QPointF fromPoint(const cv::Point2f &cvPoint);
QList<cv::Point2f> toPoints(const QList<QPointF> &qPoints);
QList<QPointF> fromPoints(const QList<cv::Point2f> &cvPoints);
cv::Rect toRect(const QRectF &qRect);
QRectF fromRect(const cv::Rect &cvRect);
QList<cv::Rect> toRects(const QList<QRectF> &qRects);
QList<QRectF> fromRects(const QList<cv::Rect> &cvRects);
}
QDebug operator<<(QDebug dbg, const cv::Mat &m);
QDebug operator<<(QDebug dbg, const cv::Point &p);
QDebug operator<<(QDebug dbg, const cv::Rect &r);
QDataStream &operator<<(QDataStream &stream, const cv::Mat &m);
QDataStream &operator>>(QDataStream &stream, cv::Mat &m);
QDataStream &operator<<(QDataStream &stream, const cv::Rect &r);
QDataStream &operator>>(QDataStream &stream, cv::Rect &r);
QDataStream &operator<<(QDataStream &stream, const cv::Size &s);
QDataStream &operator>>(QDataStream &stream, cv::Size &s);
// As described in "Modern C++ Design" Section 2.5.
template <typename T>
struct Type2Type
{
typedef T OriginalType;
};
/****
OpenCVType
Templated OpenCV Mat::type creation.
****/
template <typename Depth, int Channels>
class OpenCVType
{
static int getDepth(Type2Type<uchar>)
{
return CV_8U;
}
static int getDepth(Type2Type<char>)
{
return CV_8S;
}
static int getDepth(Type2Type<ushort>)
{
return CV_16U;
}
static int getDepth(Type2Type<short>)
{
return CV_16S;
}
static int getDepth(Type2Type<long>)
{
return CV_32S;
}
static int getDepth(Type2Type<float>)
{
return CV_32F;
}
static int getDepth(Type2Type<double>)
{
return CV_64F;
}
public:
static int make()
{
return CV_MAKETYPE((getDepth(Type2Type<Depth>())),(Channels));
}
};
#endif // __OPENCVUTILS_H