fix: allow handling floating values

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (e10ab1e) 98.64% compared to head (2658d49) 98.64%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #383 +/- ## ======================================= Coverage 98.64% 98.64% ======================================= Files 222 222 Lines 5741 5745 +4 Branches 1216 1216 ======================================= + Hits 5663 5667 +4 Misses 75 75 Partials 3 3 ``` | [Files Changed](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js) | Coverage Δ | | |---|---|---| | [src/draw/drawPolygonOnImage.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd1BvbHlnb25PbkltYWdlLnRz) | `100.00% <ø> (ø)` | | | [src/draw/drawMarker.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd01hcmtlci50cw==) | `96.66% <100.00%> (+0.11%)` | :arrow_up: | | [src/draw/drawPolygonOnMask.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd1BvbHlnb25Pbk1hc2sudHM=) | `100.00% <100.00%> (ø)` | | | [src/draw/drawRectangle.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd1JlY3RhbmdsZS50cw==) | `100.00% <100.00%> (ø)` | | | [test/testUtils.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/383?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-dGVzdC90ZXN0VXRpbHMudHM=) | `100.00% <100.00%> (ø)` | |

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