Messages

1

Graphics / Re: Getting camera images

« on: April 17, 2018, 10:46:53 am »

Hi !
After a lot of researsh i suceeded, heres the code :

#include "stdafx.h"
#include <SFML\Graphics.hpp>
#include <opencv2/opencv.hpp>
#include <iostream>

using namespace cv;
using namespace std;

int main()
{
        VideoCapture stream1(0);
        if (!stream1.isOpened()) {
                cout << "Camera failed to open" << endl;
        }
        sf::RenderWindow window(sf::VideoMode(1920, 1080, 32), "???");
        sf::RectangleShape rect(sf::Vector2f{1920, 1080});
        sf::Texture texture;
        sf::Event event;
        Mat sfml_rgba_frame;
        Mat cameraFrame;
        texture.loadFromFile("images/bomb.png");
        rect.setTexture(&texture, false);

        window.setFramerateLimit(30);
        while (window.isOpen()) {
                stream1.read(cameraFrame);
                cvtColor(cameraFrame, sfml_rgba_frame, CV_BGR2RGBA);
                texture.create(sfml_rgba_frame.cols, sfml_rgba_frame.rows);
                texture.update(reinterpret_cast<sf::Uint8*>(sfml_rgba_frame.ptr()));
                rect.setTexture(&texture);
                while (window.pollEvent(event)) {
                        if (event.type == sf::Event::EventType::Closed)
                                window.close();
                }
                window.clear();
                window.draw(rect);
                window.display();
        }
    return 0;
}
 

The part about converting cv::mat to sf::Texture was found here :
https://fr.sfml-dev.org/forums/index.php?topic=19621.0
Thanks for your help.

2

Graphics / Re: Getting camera images

« on: April 16, 2018, 05:33:37 pm »

Thanks for your answer, Im actualy seing OpenCV and i try to covert a Mat structure to a sfRectangleShape.
(Taking the pixel of the first one into the second one)
I hope its possible ...

3

Graphics / Re: Getting camera images

« on: April 15, 2018, 09:07:39 pm »

Well, it seems pretty hard to do...
But thanks for your help !

4

Graphics / Re: Getting camera images

« on: April 15, 2018, 06:59:26 pm »

Hi ! Thanks for your answer.
Im talking about a real life camera.
I try to do somethig like when you capture a picture, you can actualy see what you'll shot.

5

Graphics / Getting camera images

« on: April 15, 2018, 06:43:43 pm »

Hi ! Id like to know if its possible to get a camera images in real time ?
I mean, not just taking a picture and show it, but show "everything the camera sees" ?
Thanks !