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/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */
/*
* This is an example of a stationary tracker. It only reports the initial
* position for all frames and is used for testing purposes.
* The main function of this example is to show the developers how to modify
* their trackers to work with the evaluation environment.
*
* Copyright (c) 2016, Luka Cehovin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*
*/
// Interactive tracker is a simple GUI application for testing where a human can click
// an object in every frame and the information is transmitted over the TraX
// protocol to client. The purpose of the application mainly testing and demonstrative.
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <trax/opencv.hpp>
#include <trax.h>
#define WINDOW_NAME "Interactive tracker"
bool run = true;
bool wait = false;
void on_mouse(int event, int x, int y, int, void* data) {
if( event == CV_EVENT_LBUTTONDOWN && wait ) {
cv::Rect *rect = (cv::Rect *) data;
rect->x = x - rect->width / 2;
rect->y = y - rect->height / 2;
wait = false;
}
}
int main( int argc, char** argv)
{
trax::ImageList img;
trax::Region reg;
trax::Configuration config(TRAX_IMAGE_PATH | TRAX_IMAGE_MEMORY | TRAX_IMAGE_BUFFER, TRAX_REGION_RECTANGLE);
trax::Server handle(config, trax_no_log);
cv::namedWindow(WINDOW_NAME);
cv::Mat frame;
cv::Rect rectangle;
cv::setMouseCallback(WINDOW_NAME, on_mouse, &rectangle);
while(run)
{
trax::Properties prop;
int tr = handle.wait(img, reg, prop);
if (tr == TRAX_INITIALIZE) {
rectangle = trax::region_to_rect(reg);
frame = trax::image_to_mat(img.get(TRAX_CHANNEL_COLOR));
} else if (tr == TRAX_FRAME) {
frame = trax::image_to_mat(img.get(TRAX_CHANNEL_COLOR));
} else {
break;
}
cv::rectangle(frame, rectangle.tl(), rectangle.br(), cv::Scalar(0, 0, 255));
cv::circle(frame, cv::Point(rectangle.x + rectangle.width / 2,
rectangle.y + rectangle.height / 2), 2, cv::Scalar(0, 0, 255));
cv::imshow(WINDOW_NAME, frame);
wait = true;
while (wait) {
if (cv::waitKey(30) > -1) {
run = false;
break;
}
}
trax::Region status = trax::rect_to_region(rectangle);
handle.reply(status, trax::Properties());
}
return 0;
}