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864cf95b8b
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864cf95b8b | ||
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b90c85f56e | ||
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98a82b7d6a |
5 changed files with 578 additions and 11 deletions
16
webserver.py
16
webserver.py
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@ -36,7 +36,7 @@ class WebSocketHandler(tornado.websocket.WebSocketHandler):
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"""
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Websocket from the workers
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"""
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CORS_ORIGINS = ['localhost']
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# CORS_ORIGINS = ['localhost']
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connections = set()
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def initialize(self, config):
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@ -45,11 +45,11 @@ class WebSocketHandler(tornado.websocket.WebSocketHandler):
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self.hasWritten = False
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self.dimensions = [None, None]
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def check_origin(self, origin):
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parsed_origin = urlparse(origin)
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# parsed_origin.netloc.lower() gives localhost:3333
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valid = any([parsed_origin.hostname.endswith(origin) for origin in self.CORS_ORIGINS])
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return valid
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# def check_origin(self, origin):
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# parsed_origin = urlparse(origin)
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# # parsed_origin.netloc.lower() gives localhost:3333
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# valid = any([parsed_origin.hostname.endswith(origin) for origin in self.CORS_ORIGINS])
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# return valid
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# the client connected
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def open(self, p = None):
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@ -127,7 +127,7 @@ class AnimationHandler(tornado.web.RequestHandler):
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self.set_header("Content-Type", "application/json")
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# filename = self.get_argument("file", None)
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if filename == '':
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names = [f"/files/{name[:-4]}" for name in os.listdir(self.config.storage) if name not in ['.gitignore']]
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names = sorted([f"/files/{name[:-4]}" for name in os.listdir(self.config.storage) if name not in ['.gitignore']])
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self.write(json.dumps(names))
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else:
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path = os.path.join(self.config.storage,os.path.basename(filename)+".csv")
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@ -257,7 +257,7 @@ if __name__ == "__main__":
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logger.addHandler(
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logFileHandler
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)
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logger.info("Start server")
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logger.info(f"Start server: http://localhost:{args.port}")
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server = Server(args, logger)
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server.start()
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119
www/annotate.html
Normal file
119
www/annotate.html
Normal file
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@ -0,0 +1,119 @@
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<!DOCTYPE html>
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<html lang="en" dir="ltr">
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<head>
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<meta charset="utf-8">
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<title>Annotate a line animation</title>
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<style media="screen">
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#sample,
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svg {
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position: absolute;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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width: 100%;
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height: 100%;
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font-family: sans-serif;
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z-index: 2;
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}
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img {
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position: absolute;
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top: 0;
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bottom: 0;
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right: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 1;
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}
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path {
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fill: none;
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stroke: gray;
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stroke-width: 1mm;
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stroke-linecap: round;
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}
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g.before path{
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opacity: 0.5;
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stroke: gray !important;
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}
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g.after path, path.before_in {
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opacity: .1;
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stroke: gray !important;
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}
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#wrapper {
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position: absolute;
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top: 0;
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right: 0;
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bottom: 0;
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left: 0;
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background: none;
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}
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.gray {
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position: absolute;
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background: rgba(255, 255, 255, 0.7);
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}
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html,
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body {
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height: 100%;
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width: 100%;
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margin: 0;
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font-family: sans-serif;
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}
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.playlist {
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position: absolute;
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left: 0;
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top: 0;
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z-index: 50;
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}
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.playlist li{
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cursor: pointer;
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line-height: 1.5;
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}
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.playlist li:hover{
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color: blue;
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}
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input[type='range']{
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position: absolute;
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z-index: 100;
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bottom: 0;
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left:0;
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right: 0;width: 90%;
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}
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.scrubber{
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position: absolute !important;
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z-index: 100;
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bottom: 30px;
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left:0;
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right: 0;width: 90%;
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}
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.noUi-horizontal .noUi-touch-area{
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cursor:ew-resize;
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}
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</style>
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<link rel="stylesheet" href="assets/nouislider-15.5.0.css">
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</head>
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<body>
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<div id='interface'>
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</div>
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<script src="assets/nouislider-15.5.0.js"></script>
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<script src="assets/wNumb-1.2.0.min.js"></script>
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<script src="annotate.js"></script>
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<script type='text/javascript'>
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const player = new Player(document.getElementById("interface"));
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player.playlist('/files/');
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</script>
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</body>
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</html>
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446
www/annotate.js
Normal file
446
www/annotate.js
Normal file
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@ -0,0 +1,446 @@
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class Annotation{
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constructor(annotation, t_in, t_out) {
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this.annotation = annotation;
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this.t_in = t_in;
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this.t_out = t_out;
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}
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}
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class StrokeGroup{
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constructor(group_element, player){
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this.g = group_element;
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this.player = player;
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}
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setStrokes(strokes){
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console.log('set strokes',strokes);
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const pathEls = this.g.querySelectorAll('path');
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let indexes = Object.keys(strokes);
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for (let pathEl of pathEls) {
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const i = pathEl.dataset.path_i;
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if(!indexes.includes(pathEl.dataset.path_i)){
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pathEl.parentNode.removeChild(pathEl);
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}else{
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// check in and outpoint using pathEl.dataset
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if(strokes[i].getSliceId() != pathEl.dataset.slice){
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const d = this.points2D(strokes[i].points);
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pathEl.dataset.slice = strokes[i].getSliceId();
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pathEl.setAttribute('d', d);
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}
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}
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// this has now been processed
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indexes.splice(indexes.indexOf(i), 1);
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}
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console.log(indexes);
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// new strokes
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indexes.forEach(index => {
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const stroke = strokes[index];
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let pathEl = document.createElementNS('http://www.w3.org/2000/svg', 'path');
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pathEl.style.stroke = stroke.color;
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pathEl.classList.add('path');
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pathEl.dataset.path_i = index;
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pathEl.dataset.slice = stroke.getSliceId();
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this.g.appendChild(pathEl);
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const d = this.points2D(stroke.points);
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pathEl.setAttribute('d', d);
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});
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}
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// convert array of points to a d-attribute
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points2D(strokes) {
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// strokes to a d attribute for a path
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let d = "";
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let last_stroke = undefined;
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let cmd = "";
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for (let stroke of strokes) {
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if (!last_stroke) {
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d += `M${stroke[0] * this.player.dimensions[0]},${stroke[1] * this.player.dimensions[1]} `;
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cmd = 'M';
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} else {
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if (last_stroke[2] == 1) {
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d += " m";
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cmd = 'm';
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} else if (cmd != 'l') {
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d += ' l ';
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cmd = 'l';
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}
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let rel_stroke = [stroke[0] - last_stroke[0], stroke[1] - last_stroke[1]];
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d += `${rel_stroke[0] * this.player.dimensions[0]},${rel_stroke[1] * this.player.dimensions[1]} `;
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}
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last_stroke = stroke;
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}
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return d;
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}
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}
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class Stroke{
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constructor(color, points){
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this.color = color;
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this.points = points; // [[x1,y1,t1], [x2,y2,t2], ...]
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}
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getSliceId() {
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return 'all';
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}
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}
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class StrokeSlice{
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constructor(stroke, i_in, i_out){
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this.stroke = stroke; // Stroke
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this.i_in = typeof i_in === 'undefined' ? 0 : i_in;
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this.i_out = typeof i_out === 'undefined' ? this.stroke.points.length : i_out;
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}
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getSliceId(){
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return `${this.i_in}-${this.i_out}`;
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}
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// compatible with Stroke()
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get points(){
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return this.stroke.points.slice(this.i_in, this.i_out);
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}
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// compatible with Stroke()
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get color(){
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return this.stroke.color;
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}
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}
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class Player {
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constructor(wrapperEl) {
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this.wrapperEl = wrapperEl;
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this.svgEl = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
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this.wrapperEl.appendChild(this.svgEl);
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this.scrubberElOld = document.createElement('input');
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this.scrubberElOld.type = "range";
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this.scrubberElOld.min = 0;
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this.scrubberElOld.step = 0.01;
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this.wrapperEl.appendChild(this.scrubberElOld);
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this.scrubberEl = document.createElement('div');
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this.scrubberEl.classList.add('scrubber')
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this.wrapperEl.appendChild(this.scrubberEl);
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this.scrubberElOld.addEventListener("input", (ev) => {
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this.scrubTo(ev.target.value);
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})
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this.inPointPosition = null;
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this.outPointPosition = null;
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this.currentTime = 0;
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this.isPlaying = false;
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const groups = ['before', 'annotation', 'after']
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this.strokeGroups = {};
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groups.forEach(group => {
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let groupEl = document.createElementNS('http://www.w3.org/2000/svg', 'g');
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groupEl.classList.add(group)
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this.svgEl.appendChild(groupEl);
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this.strokeGroups[group] = new StrokeGroup(groupEl, this);
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});
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this.annotations = []
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}
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playlist(url) {
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const request = new Request(url, {
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method: 'GET',
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});
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fetch(request)
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.then(response => response.json())
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.then(data => {
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let playlist = this.wrapperEl.querySelector('.playlist');
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if (!playlist) {
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playlist = document.createElement('nav');
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playlist.classList.add('playlist');
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this.wrapperEl.appendChild(playlist)
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}
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else {
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playlist.innerHTML = "";
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}
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const listEl = document.createElement("ul");
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for (let fileUrl of data) {
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const liEl = document.createElement("li");
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liEl.innerText = fileUrl
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liEl.addEventListener('click', (e) => {
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this.play(fileUrl);
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playlist.style.display = "none";
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});
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listEl.appendChild(liEl);
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}
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playlist.appendChild(listEl);
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// do something with the data sent in the request
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});
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}
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play(file) {
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const request = new Request(file, {
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method: 'GET',
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});
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fetch(request)
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.then(response => response.json())
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.then(data => {
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this.playStrokes(data)
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// do something with the data sent in the request
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});
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}
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playStrokes(drawing) {
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this.strokes = drawing.shape.map(s => new Stroke(s['color'], s['points']));
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this.currentPathI = null;
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this.currentPointI = null;
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this.dimensions = drawing.dimensions;
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this.svgEl.setAttribute('viewBox', `0 0 ${this.dimensions[0]} ${this.dimensions[1]}`)
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this.startTime = window.performance.now() - this.strokes[0].points[0][3];
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this.playStrokePosition(0, 1);
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this.duration = this.getDuration();
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this.scrubberElOld.max = this.duration;
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this.playTimout = null;
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const formatter = wNumb({
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decimals: 2,
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edit: (time) => {
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const s = Math.floor(time/1000);
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const minutes = Math.floor(s / 60);
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const seconds = s - minutes * 60;
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const ms = Math.floor((time/1000 - s) * 1000);
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return `${minutes}:${seconds}:${ms}`;
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}
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});
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const slider = noUiSlider.create(this.scrubberEl, {
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start: [this.currentTime, this.duration],
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connect: true,
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range: {
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'min': 0,
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'max': this.duration
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},
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tooltips: [
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formatter,
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formatter
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],
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// pips: {
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// mode: 'range',
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// density: 3,
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// format: formatter
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// }
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});
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slider.on("slide", (values, handle) => {
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this.isPlaying = false;
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// console.log(values, handle);
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// both in and out need to have a value
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this.inPointPosition = this.findPositionForTime(values[0]);
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this.outPointPosition = this.findPositionForTime(values[1]);
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// if (handle === 0) {
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// // in point
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// if (
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// this.currentPathI < this.inPointPosition[0] ||
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// this.currentPointI < this.inPointPosition[1]) {
|
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// this.drawStrokePosition(
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// // this.inPointPosition[0],
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// // this.inPointPosition[1],
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// // always draw at out position, as to see the whole shape of the range
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// this.outPointPosition[0],
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// this.outPointPosition[1],
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// );
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// }
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// }
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// if (handle === 1) {
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// // out point
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// // this.outPointPosition = this.findPositionForTime(values[1]);
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// this.drawStrokePosition(
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// this.outPointPosition[0],
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// this.outPointPosition[1],
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// );
|
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// }
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this.drawStrokePosition(this.inPointPosition, this.outPointPosition);
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// this.inPointPosition = values;
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// this.outPointPosition = vaalues[0];
|
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// this.scrubTo()
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// this.scrubTo(ev.target.value);
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});
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}
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getDuration() {
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const points = this.strokes[this.strokes.length - 1].points;
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return points[points.length - 1][3];
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}
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getStrokesSliceForPathRange(in_point, out_point) {
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// get paths for given range. Also, split path at in & out if necessary.
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let slices = {};
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for (let i = in_point[0]; i <= out_point[0]; i++) {
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const stroke = this.strokes[i];
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if(typeof stroke === 'undefined'){
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// out point can be Infinity. So interrupt whenever the end is reached
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break;
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}
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const in_i = (in_point[0] === i) ? in_point[1] : 0;
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const out_i = (out_point[0] === i) ? out_point[1] : Infinity;
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slices[i] = new StrokeSlice(stroke, in_i, out_i);
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}
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return slices;
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}
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||||
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||||
// TODO: when drawing, have a group active & inactive.
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// active is getPathRange(currentIn, currentOut)
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||||
// inactive is what comes before and after.
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||||
// then, playing the video is just running pathRanghe(0, playhead)
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drawStrokePosition(in_point, out_point, show_all) {
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if(typeof show_all === 'undefined')
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show_all = true;
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this.strokeGroups['before'].setStrokes(this.getStrokesSliceForPathRange([0,0], in_point));
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||||
this.strokeGroups['annotation'].setStrokes(this.getStrokesSliceForPathRange(in_point, out_point));
|
||||
this.strokeGroups['after'].setStrokes(this.getStrokesSliceForPathRange(out_point, [Infinity, Infinity]));
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||||
|
||||
|
||||
// // an inpoint is set, so we're annotating
|
||||
// // make everything coming before translucent
|
||||
// if (this.inPointPosition !== null) {
|
||||
// const [inPath_i, inPoint_i] = this.inPointPosition;
|
||||
// // returns a static NodeList
|
||||
// const currentBeforeEls = this.svgEl.querySelectorAll(`.before_in`);
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||||
// for (let currentBeforeEl of currentBeforeEls) {
|
||||
// currentBeforeEl.classList.remove('before_in');
|
||||
// }
|
||||
|
||||
// for (let index = 0; index < inPath_i; index++) {
|
||||
// const pathEl = this.svgEl.querySelector(`.path${index}`);
|
||||
// if (pathEl) {
|
||||
// pathEl.classList.add('before_in');
|
||||
// }
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||||
// }
|
||||
// }
|
||||
|
||||
// this.currentPathI = path_i;
|
||||
// this.currentPointI = point_i;
|
||||
|
||||
// const path = this.strokes[path_i];
|
||||
// // console.log(path);
|
||||
// let pathEl = this.svgEl.querySelector(`.path${path_i}`);
|
||||
// if (!pathEl) {
|
||||
// pathEl = document.createElementNS('http://www.w3.org/2000/svg', 'path');
|
||||
// pathEl.style.stroke = path.color;
|
||||
// pathEl.classList.add('path' + path_i)
|
||||
// this.svgEl.appendChild(pathEl)
|
||||
// }
|
||||
|
||||
// const stroke = path.points.slice(0, point_i);
|
||||
// const d = this.strokes2D(stroke);
|
||||
// pathEl.setAttribute('d', d);
|
||||
|
||||
// this.scrubberElOld.value = path.points[point_i][3];
|
||||
// this.currentTime = path.points[point_i][3];
|
||||
}
|
||||
|
||||
getNextPosition(path_i, point_i) {
|
||||
const path = this.strokes[path_i];
|
||||
let next_path, next_point;
|
||||
if (path.points.length > point_i + 1) {
|
||||
next_path = path_i;
|
||||
next_point = point_i + 1;
|
||||
// setTimeout(() => this.playStroke(next_path, next_point), dt);
|
||||
} else if (this.strokes.length > path_i + 1) {
|
||||
next_path = path_i + 1;
|
||||
next_point = 1;
|
||||
// use starttime instead of diff, to prevent floating
|
||||
} else {
|
||||
return [null, null];
|
||||
}
|
||||
|
||||
// when an outpoint is set, stop playing there
|
||||
if(this.outPointPosition && (next_path > this.outPointPosition[0] || next_point > this.outPointPosition[1])){
|
||||
return [null, null];
|
||||
}
|
||||
|
||||
return [next_path, next_point];
|
||||
}
|
||||
|
||||
playStrokePosition(path_i, point_i, allow_interrupt) {
|
||||
if(allow_interrupt) {
|
||||
if(!this.isPlaying) {
|
||||
console.log('not playing because of interrupt');
|
||||
return;
|
||||
}
|
||||
} else{
|
||||
this.isPlaying = true;
|
||||
}
|
||||
this.drawStrokePosition(path_i, point_i);
|
||||
|
||||
const [next_path, next_point] = this.getNextPosition(path_i, point_i);
|
||||
if (next_path === null) {
|
||||
console.log('done playing');
|
||||
return;
|
||||
}
|
||||
|
||||
const t = this.strokes[next_path].points[next_point][3];// - path.points[point_i][3];
|
||||
|
||||
const dt = t - (window.performance.now() - this.startTime);
|
||||
this.playTimout = setTimeout(() => this.playStrokePosition(next_path, next_point, true), dt);
|
||||
}
|
||||
|
||||
playUntil(path_i) {
|
||||
// for scrubber
|
||||
}
|
||||
|
||||
scrubTo(ms) {
|
||||
const [path_i, point_i] = this.findPositionForTime(ms);
|
||||
// console.log(path_i, point_i);
|
||||
clearTimeout(this.playTimout);
|
||||
this.playStrokePosition(path_i, point_i);
|
||||
// this.playHead = ms;
|
||||
}
|
||||
|
||||
|
||||
|
||||
findPositionForTime(ms) {
|
||||
ms = Math.min(Math.max(ms, 0), this.duration);
|
||||
console.log('scrub to', ms)
|
||||
let path_i = 0;
|
||||
let point_i = 0;
|
||||
this.strokes.every((stroke, index) => {
|
||||
const startAt = stroke.points[0][3];
|
||||
const endAt = stroke.points[stroke.points.length - 1][3];
|
||||
|
||||
if (startAt > ms) {
|
||||
return false; // too far
|
||||
}
|
||||
if (endAt > ms) {
|
||||
// we're getting close. Find the right point_i
|
||||
path_i = index;
|
||||
stroke.points.every((point, pi) => {
|
||||
if (point[3] > ms) {
|
||||
// too far
|
||||
return false;
|
||||
}
|
||||
point_i = pi;
|
||||
return true;
|
||||
});
|
||||
return false;
|
||||
} else {
|
||||
// in case nothings comes after, we store the last best option thus far
|
||||
path_i = index;
|
||||
point_i = stroke.points.length - 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
});
|
||||
return [path_i, point_i];
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -3,6 +3,8 @@
|
|||
|
||||
<head>
|
||||
<meta charset="utf-8">
|
||||
<!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
|
||||
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0' />
|
||||
<title>Draw a line animation</title>
|
||||
<style media="screen">
|
||||
#sample,
|
||||
|
|
|
|||
|
|
@ -31,9 +31,9 @@ class Canvas {
|
|||
|
||||
this.startTime = null;
|
||||
|
||||
document.body.addEventListener('mousemove', this.draw.bind(this));
|
||||
document.body.addEventListener('mouseup', this.penup.bind(this));
|
||||
this.svgEl.addEventListener('mousedown', this.startStroke.bind(this));
|
||||
document.body.addEventListener('pointermove', this.draw.bind(this));
|
||||
document.body.addEventListener('pointerup', this.penup.bind(this));
|
||||
this.svgEl.addEventListener('pointerdown', this.startStroke.bind(this));
|
||||
|
||||
this.createToolbox();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue