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fix zoom out flow

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This commit is contained in:
EthanHealy01 2025-11-06 17:14:00 +00:00
parent 0dc376c436
commit fbb077d2fd
1 changed files with 10 additions and 1 deletions
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11
frontend/src/core/components/tools/compare/CompareDocumentPane.tsx
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@ -167,6 +167,15 @@ const CompareDocumentPane = ({
const { highlightOffset, baseWidth, baseHeight, containerWidth, containerHeight, innerScale } = metrics;
// Compute clamped pan for current zoom so content always touches edges when in bounds
const storedPan = pagePanRef.current.get(page.pageNumber) || { x: 0, y: 0 };
const contentWidth = Math.max(0, Math.round(containerWidth * innerScale));
const contentHeight = Math.max(0, Math.round(containerHeight * innerScale));
const maxPanX = Math.max(0, contentWidth - Math.round(containerWidth));
const maxPanY = Math.max(0, contentHeight - Math.round(containerHeight));
const clampedPanX = Math.max(0, Math.min(maxPanX, storedPan.x));
const clampedPanY = Math.max(0, Math.min(maxPanY, storedPan.y));
const groupedRects = groupedRectsByPage.get(page.pageNumber) ?? new Map();
return (
@ -232,7 +241,7 @@ const CompareDocumentPane = ({
<div
className={`compare-diff-page__inner compare-diff-page__inner--${pane}`}
style={{
transform: `scale(${innerScale}) translate3d(${-((pagePanRef.current.get(page.pageNumber)?.x || 0) / innerScale)}px, ${-((pagePanRef.current.get(page.pageNumber)?.y || 0) / innerScale)}px, 0)`,
transform: `scale(${innerScale}) translate3d(${-((clampedPanX) / innerScale)}px, ${-((clampedPanY) / innerScale)}px, 0)`,
transformOrigin: 'top left'
}}
>