add pinch zoom
This commit is contained in:
“chrisshank”
parent
b3b348bc6b
commit
4597f7b60a
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@ -16,6 +16,11 @@
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margin: 0;
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}
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pinch-zoom {
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position: absolute;
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inset: 0;
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}
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label {
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display: flex;
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align-items: center;
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@ -36,112 +41,55 @@
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}
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p {
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font-size: clamp(0rem, calc(1.5rem * (var(--folk-zoom) - 0.5)), 1rem);
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opacity: clamp(0, calc(var(--folk-zoom) + 0.25), 1);
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font-size: clamp(0rem, calc(1.5rem * (var(--scale) - 0.5)), 1rem);
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opacity: clamp(0, calc(var(--scale) + 0.25), 1);
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max-width: 35ch;
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}
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}
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@container style(--folk-discrete-zoom: 0) or style(--folk-discrete-zoom: 0.25) or style(--folk-discrete-zoom: 0.5) {
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p {
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display: none;
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}
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h2 {
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font-size: calc(3em * (var(--folk-zoom)));
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opacity: clamp(0, calc(var(--folk-zoom) + 0.5), 1);
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}
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}
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@container style(--folk-discrete-zoom: 0) or style(--folk-discrete-zoom: 0.25) {
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folk-shape {
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border-radius: clamp(5px, calc((0.25 - var(--folk-zoom)) * 200%), 50%);
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}
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}
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@container style(--folk-discrete-zoom: 0) {
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folk-shape {
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width: 20px;
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aspect-ratio: 1;
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border-radius: 50%;
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}
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h2 {
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display: none;
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}
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}
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</style>
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</head>
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<body>
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<label>
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Zoom:
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<input type="range" min="0" max="1" value="1" step="0.01" />
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</label>
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<pinch-zoom>
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<folk-graph>
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<folk-shape id="box1" x="100" y="100">
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<h2>Lorem ispum</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et
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dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex
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ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat
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nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit
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anim id est laborum.
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</p>
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</folk-shape>
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<folk-graph>
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<folk-shape id="box1" x="100" y="100">
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<h2>Lorem ispum</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
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magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
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consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
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pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id
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est laborum.
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</p>
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</folk-shape>
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<folk-shape id="box2" x="500" y="400">
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<h2>Dolor sit amet</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et
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dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex
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ea commodo consequat.
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</p>
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</folk-shape>
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<folk-shape id="box2" x="500" y="400">
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<h2>Dolor sit amet</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
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magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
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consequat.
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</p>
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</folk-shape>
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<folk-shape id="box3" x="150" y="600">
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<h2>Consectetur elit</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et
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dolore magna aliqua.
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</p>
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</folk-shape>
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<folk-shape id="box3" x="150" y="600">
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<h2>Consectetur elit</h2>
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<p>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
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magna aliqua.
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</p>
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</folk-shape>
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<folk-arrow source="#box1" target="#box2"></folk-arrow>
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<folk-arrow source="#box2" target="#box3"></folk-arrow>
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<folk-arrow source="#box1" target="#box3"></folk-arrow>
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</folk-graph>
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<folk-arrow source="#box1" target="#box2"></folk-arrow>
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<folk-arrow source="#box2" target="#box3"></folk-arrow>
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<folk-arrow source="#box1" target="#box3"></folk-arrow>
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</folk-graph>
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</pinch-zoom>
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<script type="module">
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import 'https://esm.sh/pinch-zoom-element@1.1.1';
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import '@labs/standalone/folk-shape.ts';
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import '@labs/standalone/folk-arrow.ts';
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import '@labs/standalone/folk-graph.ts';
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const range = document.querySelector('input');
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function onZoom() {
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const currentZoom = range.valueAsNumber;
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let semanticZoom;
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if (currentZoom === 0) {
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semanticZoom = 0;
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} else if (currentZoom < 0.25) {
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semanticZoom = 0.25;
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} else if (currentZoom < 0.5) {
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semanticZoom = 0.5;
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} else if (currentZoom < 0.75) {
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semanticZoom = 0.75;
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} else {
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semanticZoom = 1;
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}
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document.body.style.setProperty('--folk-zoom', range.value);
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document.body.style.setProperty('--folk-discrete-zoom', semanticZoom);
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}
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range.addEventListener('input', onZoom);
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onZoom();
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</script>
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</body>
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</html>
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