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fix canvas dimension exceed by clamping the canvas size to safe limits

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This commit is contained in:
Vidya Rupak 2025-12-23 14:45:22 -07:00
parent 2843e0cf4e
commit 0c6803754a
1 changed files with 14 additions and 4 deletions
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18
packages/memory-graph/src/components/graph-canvas.tsx
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@ -957,14 +957,24 @@ export const GraphCanvas = memo<GraphCanvasProps>(
const canvas = canvasRef.current
if (!canvas) return
// upscale backing store
// Maximum safe canvas size (most browsers support up to 16384px)
const MAX_CANVAS_SIZE = 16384
// Calculate effective DPR that keeps us within safe limits
const maxDpr = Math.min(
MAX_CANVAS_SIZE / width,
MAX_CANVAS_SIZE / height,
dpr
)
// upscale backing store with clamped dimensions
canvas.style.width = `${width}px`
canvas.style.height = `${height}px`
canvas.width = width * dpr
canvas.height = height * dpr
canvas.width = Math.min(width * maxDpr, MAX_CANVAS_SIZE)
canvas.height = Math.min(height * maxDpr, MAX_CANVAS_SIZE)
const ctx = canvas.getContext("2d")
ctx?.scale(dpr, dpr)
ctx?.scale(maxDpr, maxDpr)
}, [width, height, dpr])
// -----------------------------------------------------------------------