Konkreet, every file is resampled with Lanczos and written back in its own format, so a mixed batch comes out consistently sized without being forced through one common format first. You give it a target width, a target height or a percentage, and it works from the original rather than from a previously resized copy.
Ndinogona here kuchengeta kuratidzwa kwechifananidzo, kana kumanikidza zvakajeka zviyero?
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Both. Lock the ratio and one dimension is derived from the other, which is what you want almost always. Unlock it and you get exactly the numbers you typed, at the cost of stretching — useful for a fixed slot, wrong for a photograph.
Ndiyo — Pipeline inoverenga format kubva ku file header kupfuura kusvikira, saka kurodha pasi kwe mislabeled kunoita basa. Kunyangwe iwe uchida kuchinja saizi yefile, hauzokwanisa kuisazve.