Merge pull request #236 from eposha/fix/zoom-precision

bobsingor · web-flow · commit 2f1444e8db15 · 2025-11-04T14:48:02.000+02:00
fix: increase zoom precision from 0.01 to 0.001
diff --git a/.changeset/rotten-rocks-kneel.md b/.changeset/rotten-rocks-kneel.md
@@ -0,0 +1,5 @@
+---
+'@embedpdf/plugin-zoom': patch
+---
+
+Increase zoom precision from two decimals to three (changed rounding from `/100` to `/1000`) to improve smoother zoom granularity and reduce jumpy transitions.
diff --git a/packages/plugin-zoom/src/lib/zoom-plugin.ts b/packages/plugin-zoom/src/lib/zoom-plugin.ts
@@ -198,7 +198,7 @@ export class ZoomPlugin extends BasePlugin<
       return;
     }
     const exactZoom = clamp(base + delta, this.minZoom, this.maxZoom);
-    const newZoom = Math.floor(exactZoom * 100) / 100;
+    const newZoom = Math.floor(exactZoom * 1000) / 1000;
 
     /* ------------------------------------------------------------------ */
     /* step 2 – figure out the viewport point we should keep under focus   */

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@embedpdf/plugin-zoom': patch
 +---
++
 +Increase zoom precision from two decimals to three (changed rounding from `/100` to `/1000`) to improve smoother zoom granularity and reduce jumpy transitions.
Original file line number	Diff line number	Diff line change
`@@ -198,7 +198,7 @@ export class ZoomPlugin extends BasePlugin<`
`198`	`198`	`return;`
`199`	`199`	`}`
`200`	`200`	`const exactZoom = clamp(base + delta, this.minZoom, this.maxZoom);`
`201`		`- const newZoom = Math.floor(exactZoom * 100) / 100;`
	`201`	`+ const newZoom = Math.floor(exactZoom * 1000) / 1000;`
`202`	`202`
`203`	`203`	`/* ------------------------------------------------------------------ */`
`204`	`204`	`/* step 2 – figure out the viewport point we should keep under focus */`