Compare commits
2 Commits
10080e36f1
...
bcb36da020
| Author | SHA1 | Date | |
|---|---|---|---|
| bcb36da020 | |||
| 3aa0bc7f1b |
@ -1,4 +1,7 @@
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let streaming;
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var current_stream;
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var current_camera_is;
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var width = document.getElementById("video").parentNode.parentElement.clientWidth;
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var height = width / (4 / 3);
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@ -9,58 +12,28 @@ function startup(){
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switch_cameras = document.getElementById('flip')
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printButton = document.getElementById('print_button');
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if ( check_webcam() ){
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if (check_webcam() === true ){
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setup_events();
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clear_canvas();
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} else {
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no_webcam_error();
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console.log("Seems like it's impossible to get a webcam.");
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}
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}
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function check_webcam(){
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try {
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// access video stream from webcam
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navigator.mediaDevices.getUserMedia({
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video: true,
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audio: false
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})
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// on success, stream it in video tag
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// the video tag is hidden, as is the canvas.
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.then(function(stream) {
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switch_cameras.removeAttribute("disabled","");
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video.srcObject = stream;
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video.play();
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})
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.catch(function(err) {
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console.log("An error occurred: " + err);
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});
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} catch (err) {
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console.log("An error occurred: " + err);
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console.log("Seems like they is no webcam available.")
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// We disable the print button is it cannot be clicked.
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printButton.setAttribute("disabled","");
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// We create an alert message.
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const frame_div = document.getElementById("image_dither");
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frame_div.removeAttribute('class');
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const alert_div = document.createElement("div");
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alert_div.setAttribute("class", "alert alert-warning");
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alert_div.setAttribute("role", "alert");
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var alert_message = document.createTextNode("We where unable to get a Webcam device, this page will not work.");
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alert_div.appendChild(alert_message);
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frame_div.appendChild(alert_div);
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console.log("Should be a new div somewhere");
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throw new Error("Unable to get a video device, stopping the photobooth.");
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} finally {
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console.log("Cheking for a camera...");
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if (get_front_webcam()) {
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console.log("Got front camera !");
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return true;
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}
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return true;
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if (get_any_webcam()) {
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console.log("Got a webcam !");
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return true;
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}
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console.log("Nope");
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return false;
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}
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function setup_events(){
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@ -86,17 +59,24 @@ function setup_events(){
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streaming = true;
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printButton.removeAttribute("disabled","");
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switch_cameras.removeAttribute("disabled","");
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}
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}, false);
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switch_cameras.addEventListener('click', function(ev) {
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alert("Just turn your phone.");
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flip_cameras();
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}, false );
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printButton.addEventListener('click', function(ev){
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data = take_picture();
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print_picture(data)
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try {
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print_picture(data);
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} catch (e) {
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alert("Failed to print a picture because : " + e);
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}
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ev.preventDefault();
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}, false);
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@ -152,9 +132,144 @@ function print_picture(data){
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// headers:{
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// 'Content-Type': 'multipart/form-data'
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// }
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}).then(response => console.log('Success:', response), true)
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}).then(function(response) { console.log('Success:', response); alert("Picture printed."); } , true)
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.catch(error => console.error('Error:', error), false);
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}
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function flip_cameras(){
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switch (current_camera_is) {
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case "front":
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try {
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get_any_webcam();
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} catch (e) {
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console.log("Could not get another camera");
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get_front_webcam();
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}
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break;
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case "any":
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try {
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get_front_webcam();
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} catch (e) {
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console.log("Could not get another camera");
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get_any_webcam();
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}
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break;
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default:
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console.log("Impossible to switch cameras : none is selected.");
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}
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}
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function stop_video_streams(){
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console.log("Stopping existing video streams.");
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// Stop the tracks
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try {
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if (current_stream) {
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const tracks = current_stream.getTracks();
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tracks.forEach(track => track.stop());
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console.log("Stopped playing current videostreams.");
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return true;
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} else {
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console.log("No streams currently playing.");
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}
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} catch (e) {
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console.log("Could not stop playing current streams." + e);
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}
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}
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async function get_webcam(options){
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stop_video_streams();
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try {
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await navigator.mediaDevices.getUserMedia(options)
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.then(function(stream) {
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// on success, stream it in video tag
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// the video tag is hidden, as is the canvas.
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console.log("Got a camera ( generic )");
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printButton.removeAttribute("disabled","");
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current_stream = stream;
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video.srcObject = stream;
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video.play();
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return true;
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})
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.catch(function(err) {
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console.log("Didn't manage to get a camera :" + err);
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return false;
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});
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} catch (err) {
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console.log("Didn't manage to get a camera :" + err);
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return false;
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}
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}
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function get_any_webcam(){
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var camera_options = {
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video: {
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facingMode: 'environment', // Or 'environment' if we want a camera facing away
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},
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audio: false
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};
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if(get_webcam(camera_options)){
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console.log("Got any camera, or environment camera.");
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current_camera_is = "any";
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return true;
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} else {
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return false;
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}
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}
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function get_front_webcam(){
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// We try to start with the front facing camera,
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// if we have no support, we switch back to a normal camera.
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try {
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const supports = navigator.mediaDevices.getSupportedConstraints();
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if (!supports['facingMode']) {
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throw new Error("This browser does not support facingMode!");
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} else {
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var camera_options = {
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video: {
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facingMode: 'user', // Or 'environment' if we want a camera facing away
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},
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audio: false
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};
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}
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} catch (e) {
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console.log("Resetting to default camera : " + e);
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var camera_options = {
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video: true,
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audio: false
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};
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}
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if(get_webcam(camera_options)){
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console.log("Got the front camera");
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current_camera_is = "front";
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return true;
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} else {
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return false;
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}
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}
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function no_webcam_error(){
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console.log("Seems like they is no webcam available.")
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// We disable the print button is it cannot be clicked.
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printButton.setAttribute("disabled","");
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// We create an alert message.
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const frame_div = document.getElementById("image_dither");
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frame_div.removeAttribute('class');
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const alert_div = document.createElement("div");
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alert_div.setAttribute("class", "alert alert-warning");
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alert_div.setAttribute("role", "alert");
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var alert_message = document.createTextNode("We where unable to get a Webcam device, this page will not work.");
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alert_div.appendChild(alert_message);
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frame_div.appendChild(alert_div);
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throw new Error("Unable to get a video device, stopping the photobooth.");
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}
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window.addEventListener('load', startup, false);
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@ -2,56 +2,56 @@
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{% block content %}
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<noscript class="d-block">
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<noscript class="d-block">
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<div class="alert alert-warning " role="alert">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-bug-fill" viewBox="0 0 16 16">
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<path d="M4.978.855a.5.5 0 1 0-.956.29l.41 1.352A4.985 4.985 0 0 0 3 6h10a4.985 4.985 0 0 0-1.432-3.503l.41-1.352a.5.5 0 1 0-.956-.29l-.291.956A4.978 4.978 0 0 0 8 1a4.979 4.979 0 0 0-2.731.811l-.29-.956z"/>
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<path d="M13 6v1H8.5v8.975A5 5 0 0 0 13 11h.5a.5.5 0 0 1 .5.5v.5a.5.5 0 1 0 1 0v-.5a1.5 1.5 0 0 0-1.5-1.5H13V9h1.5a.5.5 0 0 0 0-1H13V7h.5A1.5 1.5 0 0 0 15 5.5V5a.5.5 0 0 0-1 0v.5a.5.5 0 0 1-.5.5H13zm-5.5 9.975V7H3V6h-.5a.5.5 0 0 1-.5-.5V5a.5.5 0 0 0-1 0v.5A1.5 1.5 0 0 0 2.5 7H3v1H1.5a.5.5 0 0 0 0 1H3v1h-.5A1.5 1.5 0 0 0 1 11.5v.5a.5.5 0 1 0 1 0v-.5a.5.5 0 0 1 .5-.5H3a5 5 0 0 0 4.5 4.975z"/>
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</svg>
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This page will need Javascript and your authorization to use the webcam to work. It is not possible because Javascript seems to be deactived on this page.
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</div>
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</noscript>
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<div class="card">
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<h3 class="card-header">Photomaton</h3>
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<div class="card-body row">
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<canvas id="canvas"></canvas>
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<video id="video" class="align-self-center">Video stream not available.</video>
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<div class="row align-self-center">
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<button class=" btn btn-primary" name="print_picture" id="print_button" disabled="">
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<svg xmlns="http://www.w3.org/2000/svg" width="54" height="54" fill="currentColor" class="bi bi-printer" viewBox="0 0 16 16">
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<path d="M2.5 8a.5.5 0 1 0 0-1 .5.5 0 0 0 0 1z"/>
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<path d="M5 1a2 2 0 0 0-2 2v2H2a2 2 0 0 0-2 2v3a2 2 0 0 0 2 2h1v1a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2v-1h1a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2h-1V3a2 2 0 0 0-2-2H5zM4 3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1v2H4V3zm1 5a2 2 0 0 0-2 2v1H2a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h12a1 1 0 0 1 1 1v3a1 1 0 0 1-1 1h-1v-1a2 2 0 0 0-2-2H5zm7 2v3a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1v-3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1z"/>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-bug-fill" viewBox="0 0 16 16">
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<path d="M4.978.855a.5.5 0 1 0-.956.29l.41 1.352A4.985 4.985 0 0 0 3 6h10a4.985 4.985 0 0 0-1.432-3.503l.41-1.352a.5.5 0 1 0-.956-.29l-.291.956A4.978 4.978 0 0 0 8 1a4.979 4.979 0 0 0-2.731.811l-.29-.956z"/>
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<path d="M13 6v1H8.5v8.975A5 5 0 0 0 13 11h.5a.5.5 0 0 1 .5.5v.5a.5.5 0 1 0 1 0v-.5a1.5 1.5 0 0 0-1.5-1.5H13V9h1.5a.5.5 0 0 0 0-1H13V7h.5A1.5 1.5 0 0 0 15 5.5V5a.5.5 0 0 0-1 0v.5a.5.5 0 0 1-.5.5H13zm-5.5 9.975V7H3V6h-.5a.5.5 0 0 1-.5-.5V5a.5.5 0 0 0-1 0v.5A1.5 1.5 0 0 0 2.5 7H3v1H1.5a.5.5 0 0 0 0 1H3v1h-.5A1.5 1.5 0 0 0 1 11.5v.5a.5.5 0 1 0 1 0v-.5a.5.5 0 0 1 .5-.5H3a5 5 0 0 0 4.5 4.975z"/>
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</svg>
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</button>
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<button class=" btn btn-secondary" name="flip" id="flip" disabled="">
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<svg xmlns="http://www.w3.org/2000/svg" width="54" height="54" fill="currentColor" class="bi bi-arrow-repeat" viewBox="0 0 16 16">
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<path d="M11.534 7h3.932a.25.25 0 0 1 .192.41l-1.966 2.36a.25.25 0 0 1-.384 0l-1.966-2.36a.25.25 0 0 1 .192-.41zm-11 2h3.932a.25.25 0 0 0 .192-.41L2.692 6.23a.25.25 0 0 0-.384 0L.342 8.59A.25.25 0 0 0 .534 9z"/>
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<path fill-rule="evenodd" d="M8 3c-1.552 0-2.94.707-3.857 1.818a.5.5 0 1 1-.771-.636A6.002 6.002 0 0 1 13.917 7H12.9A5.002 5.002 0 0 0 8 3zM3.1 9a5.002 5.002 0 0 0 8.757 2.182.5.5 0 1 1 .771.636A6.002 6.002 0 0 1 2.083 9H3.1z"/>
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</svg>
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</button>
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<div class="image_dither" id="image_dither">
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<picture>
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<img id="photo" class="align-self-center">
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</picture>
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</div>
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</div>
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<hr>
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This page will need Javascript and your authorization to use the webcam to work. It is not possible because Javascript seems to be deactived on this page.
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</div>
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</noscript>
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<div class="card">
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<h3 class="card-header">Photomaton</h3>
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<div class="card-body row">
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<canvas id="canvas"></canvas>
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<video id="video" class="">Video stream not available.</video>
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<div class="container-sm">
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<div class="row">
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<button class="col-sm col-lg-3 offset-lg-2 btn btn-primary justify-content-center" name="print_picture" id="print_button" disabled="">
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<svg xmlns="http://www.w3.org/2000/svg" width="54" height="54" fill="currentColor" class="bi bi-printer" viewBox="0 0 16 16">
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<path d="M2.5 8a.5.5 0 1 0 0-1 .5.5 0 0 0 0 1z"/>
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<path d="M5 1a2 2 0 0 0-2 2v2H2a2 2 0 0 0-2 2v3a2 2 0 0 0 2 2h1v1a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2v-1h1a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2h-1V3a2 2 0 0 0-2-2H5zM4 3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1v2H4V3zm1 5a2 2 0 0 0-2 2v1H2a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h12a1 1 0 0 1 1 1v3a1 1 0 0 1-1 1h-1v-1a2 2 0 0 0-2-2H5zm7 2v3a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1v-3a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1z"/>
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</svg>
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</button>
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<button class="col-sm col-lg-3 offset-lg-2 btn btn-secondary justify-content-center" name="flip" id="flip" disabled="">
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<svg xmlns="http://www.w3.org/2000/svg" width="54" height="54" fill="currentColor" class="bi bi-arrow-repeat" viewBox="0 0 16 16">
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<path d="M11.534 7h3.932a.25.25 0 0 1 .192.41l-1.966 2.36a.25.25 0 0 1-.384 0l-1.966-2.36a.25.25 0 0 1 .192-.41zm-11 2h3.932a.25.25 0 0 0 .192-.41L2.692 6.23a.25.25 0 0 0-.384 0L.342 8.59A.25.25 0 0 0 .534 9z"/>
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<path fill-rule="evenodd" d="M8 3c-1.552 0-2.94.707-3.857 1.818a.5.5 0 1 1-.771-.636A6.002 6.002 0 0 1 13.917 7H12.9A5.002 5.002 0 0 0 8 3zM3.1 9a5.002 5.002 0 0 0 8.757 2.182.5.5 0 1 1 .771.636A6.002 6.002 0 0 1 2.083 9H3.1z"/>
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</svg>
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</button>
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</div>
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<hr>
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<div class="image_dither" id="image_dither">
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<picture>
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<img id="photo" class="justify-content-center">
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</picture>
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</div>
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<p>This is a as-close-as-possible reprensentation of what is printed on the thermal printer.</p>
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</div>
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<!-- </div> -->
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</div>
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</div>
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</div>
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<style media="screen">
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canvas {
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display: none;
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Loading…
Reference in New Issue
Block a user