utils_opencv.h

/* Name :       utils*.h [part of tim zaman's utility functions]
 * Version:     v1.0
 * Date :       2012-05-07
 * Developer :  Tim Zaman, Pixelprisma BV (timbobel@gmail.com)
 * Distribution in any form is prohibited.
 */

#ifndef UTILS_OPENCV_TIM_H
#define UTILS_OPENCV_TIM_H

#include <iomanip>
#include <iostream>
#include <string>
#include <vector>

#include <opencv2/opencv.hpp>

#include "utils_general.h"

namespace util {
    // OpenCV related
    bool detectClipping(cv::Mat, int, double, int, double, std::string &);
    void expand(cv::Rect & , double );
    std::string matToJpgString(cv::Mat);
    cv::Rect constrainRectInSize(cv::Rect rCrop, cv::Size sImage);
    cv::RotatedRect scale(cv::RotatedRect, double);
    cv::Rect findBiggestBlob(cv::Mat & matImage);
    cv::RotatedRect findBiggestBlobRot(cv::Mat & matImage);
    cv::RotatedRect findRectAroundLargeBlobs(cv::Mat & mat_image, double minimum_blobfactor);
    cv::Rect retainCenterBlob(cv::Mat & matImage, int);
    cv::Point2f ptMove(cv::Point2f pt, double dist, double angle_deg);
    std::vector<cv::Point> vecrotrect2vecpt(std::vector<cv::RotatedRect> vecRotRect);
    std::vector<std::vector<int> > groupPoints(std::vector<cv::Point> vecPts, double mindist, int mingroupsize);
    cv::Point rect2cp(cv::Rect rRect);
    cv::RotatedRect fixRotatedRect(cv::RotatedRect );
    void rectangle(cv::Mat matImage, cv::RotatedRect rRect, cv::Scalar color, int thickness);
    cv::Point2f rotatePoint(const cv::Point2f& inPoint, const cv::Point2f& center, const double& angRad);
    cv::Point2f rotate2d(const cv::Point2f& inPoint, const double& angRad);
    double pts2angleRad(cv::Point, cv::Point);
    double pts2angleDeg(cv::Point, cv::Point);
    cv::Mat crop(cv::Mat src, cv::RotatedRect rRect);
    void rot90(cv::Mat &matImage, int rotflag);
    void autoClipBrighten(cv::Mat &matImage, double percentile_lower, double percentile_upper);
    cv::Rect constrainRectInSize(cv::Rect rCrop, cv::Size sImage);
    double pointDist(cv::Point pt1, cv::Point pt2);
    double pointDist(cv::Point2f pt1, cv::Point2f pt2);
    void rotate(cv::Mat& src, double angle, cv::Mat& dst);
    cv::Size getFitSize(cv::Size sizeIn, cv::Size sizeOut);
    static void rotatingCalipers( const cv::Point2f* points, int n, float* out );
    cv::RotatedRect minAreaSquare( cv::InputArray _points );
    double rectangleSimilarity(cv::Rect, cv::Rect);
//#ifdef UTILS_GENERAL_TIM_H
    cv::Mat correctGamma(cv::Mat &img, cv::Vec3d gamma , double contrast , bool forSaving);
    cv::Mat correctGamma(cv::Mat &img, double gammaR,  double gammaG ,  double gammaB , double contrast , bool forSaving);
//#endif
};

#endif