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fix(pdf-server): let zoom-out button go below fit-to-page #589

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Merged
ochafik merged 1 commit into from
Apr 2, 2026
+6 −6
Merged

fix(pdf-server): let zoom-out button go below fit-to-page #589

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12 changes: 6 additions & 6 deletions examples/pdf-server/src/mcp-app.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3340,13 +3340,13 @@ function zoomIn() {
renderPage().then(scrollSelectionIntoView);
}

async function zoomOut() {
function zoomOut() {
userHasZoomed = true;
// Fullscreen floor is fit-to-page (anything smaller is dead margin).
const fit =
currentDisplayMode === "fullscreen" ? await computeFitScale() : null;
const floor = fit !== null ? Math.max(ZOOM_MIN, fit) : ZOOM_MIN;
scale = Math.max(scale - 0.25, floor);
// Intentionally NOT floored at fit-to-page (unlike pinch). Hosts may
// overlay UI on the iframe without reporting it in safeAreaInsets, so
// "fit" can leave the page bottom hidden; the button is the escape hatch
// to shrink past it. Pinch still rubber-bands at fit (see commitPinch).
scale = Math.max(scale - 0.25, ZOOM_MIN);
renderPage().then(scrollSelectionIntoView);
}

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