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[FIX] force minimum canvas size of 1x1 to avoid crashes #79

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[FIX] force minimum canvas size of 1x1 to avoid crashes #79

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@milanalexandre milanalexandre commented Oct 5, 2025 •
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fix #68

force minimum size of 1x1 to prevent crashes when 0 or Nan is entered.


dithering.js:30 Uncaught IndexSizeError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The source width is 0.
    at dithering (dithering.js:30:25)
    at placeImage (script.js:415:5)
    at script.js:464:5
    at Array.forEach (<anonymous>)
    at Images.each (script.js:244:35)
    at updateAllImages (script.js:463:10)
    at updateInteger (script.js:471:3)
    at w.oninput (script.js:780:11)

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Error when size is empty

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@milanalexandre