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/*
* Copyright (c) 2019 Stephane Lenclud
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#pragma once
#include <opencv2/core.hpp>
#include <QImage>
namespace EasyTracker
{
struct Preview
{
Preview(int w, int h);
Preview& operator=(const cv::Mat& frame);
QImage get_bitmap();
void DrawCross(const cv::Point& aPoint, const cv::Scalar& aColor);
void DrawInfo(const std::string& aString);
operator cv::Mat&() { return iFrameResized; }
operator cv::Mat const&() const { return iFrameResized; }
private:
static void ensure_size(cv::Mat& frame, int w, int h, int type);
public:
// Frame with an 8 bits channel size
cv::Mat iFrameChannelSizeOne;
// Frame with three channels for RGB
cv::Mat iFrameRgb;
// Frame rezised to widget dimension
cv::Mat iFrameResized;
// Frame ready to be packed in a QImage for use in our widget
cv::Mat iFrameWidget;
};
}
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