Ensure TIFF output bitdepth option is limited to 1, 2 or 4

This commit is contained in:
Lovell Fuller
2026-01-23 21:29:40 +00:00
parent ef77388a73
commit ed6b7384d0
7 changed files with 11 additions and 10 deletions

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@@ -717,7 +717,7 @@ instead of providing `xres` and `yres` in pixels/mm.
| [options.xres] | <code>number</code> | <code>1.0</code> | horizontal resolution in pixels/mm |
| [options.yres] | <code>number</code> | <code>1.0</code> | vertical resolution in pixels/mm |
| [options.resolutionUnit] | <code>string</code> | <code>&quot;&#x27;inch&#x27;&quot;</code> | resolution unit options: inch, cm |
| [options.bitdepth] | <code>number</code> | <code>8</code> | reduce bitdepth to 1, 2 or 4 bit |
| [options.bitdepth] | <code>number</code> | <code>0</code> | reduce bitdepth to 1, 2 or 4 bit |
| [options.miniswhite] | <code>boolean</code> | <code>false</code> | write 1-bit images as miniswhite |
**Example**

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@@ -20,6 +20,8 @@ slug: changelog/v0.35.0
* Upgrade to libvips v8.18.0 for upstream bug fixes.
* Ensure TIFF output `bitdepth` option is limited to 1, 2 or 4.
* Deprecate Windows 32-bit (win32-ia32) prebuilt binaries.
* Add AVIF/HEIF `tune` option for control over quality metrics.