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Expose JPEG 2000 oneshot decoder option #4262

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Requires libvips compiled with support for JP2 images

Co-authored-by: Kleis Auke Wolthuizen <github@kleisauke.nl>
This commit is contained in:
Michael B. Klein
2024-11-12 11:32:41 -06:00
committed by Lovell Fuller
parent 01f6cbbaee
commit 751f9992c4
11 changed files with 67 additions and 7 deletions
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docs/src/content/docs/api-constructor.md
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@@ -47,6 +47,7 @@ where the overall height is the `pageHeight` multiplied by the number of `pages`
| [options.subifd] | <code>number</code> | <code>-1</code> | subIFD (Sub Image File Directory) to extract for OME-TIFF, defaults to main image. |
| [options.level] | <code>number</code> | <code>0</code> | level to extract from a multi-level input (OpenSlide), zero based. |
| [options.pdfBackground] | <code>string</code> \| <code>Object</code> | | Background colour to use when PDF is partially transparent. Parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. Requires the use of a globally-installed libvips compiled with support for PDFium, Poppler, ImageMagick or GraphicsMagick. |
| [options.jp2Oneshot] | <code>boolean</code> | <code>false</code> | Set to `true` to decode tiled JPEG 2000 images in a single operation, improving compatibility. |
| [options.animated] | <code>boolean</code> | <code>false</code> | Set to `true` to read all frames/pages of an animated image (GIF, WebP, TIFF), equivalent of setting `pages` to `-1`. |
| [options.raw] | <code>Object</code> | | describes raw pixel input image data. See `raw()` for pixel ordering. |
| [options.raw.width] | <code>number</code> | | integral number of pixels wide. |

4
docs/src/content/docs/changelog.md
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@@ -10,6 +10,10 @@ Requires libvips v8.17.0
* Upgrade to libvips v8.17.0 for upstream bug fixes.
* Expose JPEG 2000 `oneshot` decoder option.
[#4262](https://github.com/lovell/sharp/pull/4262)
[@mbklein](https://github.com/mbklein)
* Support composite operation with non-sRGB pipeline colourspace.
[#4412](https://github.com/lovell/sharp/pull/4412)
[@kleisauke](https://github.com/kleisauke)