| index : pan-zoom | |
| SVG pan/zoom library. |
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| author | Catalin Mititiuc <webdevcat@proton.me> | 2025-03-18 13:43:26 -0700 |
|---|---|---|
| committer | Catalin Mititiuc <webdevcat@proton.me> | 2025-03-18 13:47:07 -0700 |
| commit | 25eca15a3007c76c4e444b859683feb29edfa183 (patch) | |
| tree | d0a867be54ab95f5e138cec9df662fa0ba450544 /src/modules/zoom.js | |
| parent | 99d137cc0937c0342fc1076eafe609c8aa370087 (diff) | |
WIP: translate an object to zoomed position without scalingcm-pan-not-zoom
Diffstat (limited to 'src/modules/zoom.js')
| -rw-r--r-- | src/modules/zoom.js | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/modules/zoom.js b/src/modules/zoom.js index 1455cb4..69652c0 100644 --- a/src/modules/zoom.js +++ b/src/modules/zoom.js @@ -1,4 +1,4 @@ -import { default as getComputedTransformMatrix } from './utils'; +import { default as getComputedTransformMatrix, extractNum, track, getTracked } from './utils'; function zoomIn(deltaY) { return deltaY < 0; @@ -24,9 +24,13 @@ function setTransform(el, computedMtx, translateMtx, scale) { const transformMtx = computedMtx.multiply(translateMtx).scale(scale).multiply(translateMtx.inverse()); + groups.forEach(([z, p]) => track(z, p, transformMtx)); + el.style.transform = transformMtx; } +const groups = getTracked(document.querySelectorAll('svg g[class] use')); + export default function (el, factor = 0.1) { return e => { e.preventDefault(); |