[dependabot]

Bumps github.com/davidbyttow/govips/v2 from 2.19.0 to 2.20.0.

Release notes

Sourced from github.com/davidbyttow/govips/v2's releases.

v2.20.0

Highlights

• Keep export option: every format-specific *ExportParams struct gains a Keep ForeignKeep field wired to libvips's keep save option (libvips 8.15+). Where StripMetadata is all-or-nothing, Keep is a bitmask: ForeignKeepExif | ForeignKeepIcc retains just those, ForeignKeepNone strips everything, ForeignKeepAll keeps whatever the running libvips supports. Unset means no change; set, it takes precedence over StripMetadata. On libvips older than 8.15 a set Keep returns a clear error (#551)

Behavior changes

• WebP exports now keep the source ICC profile when StripMetadata is false, matching JPEG, PNG and TIFF. Previously webpsave was always given profile="none", so WebP output silently lost the profile. Files from sources with an embedded profile grow by roughly the profile's size (about 3 KB for sRGB). To get the old output back, set StripMetadata: true or a Keep without ForeignKeepIcc (#552, #556)

Fixes

Animated and multi-page images had several transforms that treated the stacked frames as one tall image:

• Rotate(Angle90/Angle270) failed with "bad grid geometry" unless every page was loaded. Pages() is the page count of the file, not the loaded count (#553, #555)
• Rotate(Angle180) and Flip(DirectionVertical) reversed the frame order. Both now operate per frame (#554, #558)
• Zoom left the page height stale, so a 2× zoom read as twice as many half-height frames (#554, #558)
• Resize collapsed frames into one tall image whenever pageHeight × scale wasn't a whole number, the #350 "toilet roll" again. The vertical scale is now chosen so the strip is exactly frames × newPageHeight, as vips_thumbnail does. Output is unchanged when the rounding already agreed (#554, #558)

Housekeeping

• CI actions bumped to actions/checkout@v7 and actions/setup-go@v7 (#550)

Thanks to @​diego-choi for Keep and the WebP fix, and to @​ailintom for the Rotate fix and the thorough #554 report.

Commits

• 7952188 Keep animated frames intact in Flip, Rotate 180, Zoom and Resize (#558)
• 91a192b Keep the source ICC profile in WebP exports (#556)
• f6b10df Count loaded pages in Rotate (#555)
• c551487 Add Keep option to format-specific ExportParams (#551)
• 4344c88 ci: bump actions/checkout and actions/setup-go to v7 (#550)
• See full diff in compare view

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