Photo-Sphere-Viewer/examples/misc-equirectangular-overlay.html at main · karmaQ/Photo-Sphere-Viewer · GitHub

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<!doctype html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>PhotoSphereViewer - equirectangular overlay demo</title>

        <link rel="stylesheet" href="/dist/core/index.css" />
        <link rel="stylesheet" href="style.css" />
    </head>
    <body>
        <div id="photosphere"></div>

        <script type="importmap">
            {
                "imports": {
                    "three": "/node_modules/three/build/three.module.js",
                    "randomcolor": "https://cdn.jsdelivr.net/npm/randomcolor/+esm",
                    "@photo-sphere-viewer/core": "/dist/core/index.module.js"
                }
            }
        </script>

        <script type="module">
            import { Viewer } from '@photo-sphere-viewer/core';
            import randomColor from 'randomcolor';

            const baseUrl = 'https://photo-sphere-viewer-data.netlify.app/assets/';

            const viewer = new Viewer({
                container: 'photosphere',
                panorama: baseUrl + 'sphere.jpg',
                overlay: baseUrl + 'sphere-overlay.png',
                overlayOpacity: 0.8,
                caption: 'Parc national du Mercantour <b>&copy; Damien Sorel</b>',
                loadingImg: baseUrl + 'loader.gif',
                navbar: [
                    {
                        content: 'Remove overlay',
                        className: 'custom-button',
                        onClick: () => {
                            viewer.setOverlay(null);
                        },
                    },
                    {
                        content: 'Set overlay',
                        className: 'custom-button',
                        onClick: () => {
                            setOverlay();
                        },
                    },
                ],
            });

            function setOverlay() {
                viewer.textureLoader.loadImage(baseUrl + 'sphere-overlay.png').then((image) => {
                    const canvas = document.createElement('canvas');
                    canvas.width = image.width;
                    canvas.height = image.height;
                    const ctx = canvas.getContext('2d');

                    ctx.drawImage(image, 0, 0);

                    ctx.globalCompositeOperation = 'source-in';
                    ctx.fillStyle = randomColor({ luminosity: 'bright' });
                    ctx.fillRect(0, 0, canvas.width, canvas.height);

                    viewer.setOverlay(canvas.toDataURL(), 0.8);
                });
            }

            window.viewer = viewer;
        </script>
    </body>
</html>