clawbot
9a96740463
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For fit=cover, the default fit, libvips' thumbnail scaled the whole source to cover the requested size and copied that into memory before cutting out the centre, so an 8192x64 source at 8192x8192 asked for about 24 GiB, and 8192x1 failed with 500. resize now first cuts the centre of the source, widened to whole source pixels, and gives only that to thumbnail, which scales both sides by the same amount as before; the image it holds exceeds the output by less than one scaled source pixel on each side. Output size and scale are unchanged; its position can move by up to one output pixel. Model: opus-5-5