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change resize algorithm

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This commit is contained in:
Patrick Devine 2024-10-06 17:15:44 -07:00
parent 71e76f8c90
commit 03cf7627ec
1 changed files with 7 additions and 1 deletions
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8
server/imageproc/images.go
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@ -148,7 +148,13 @@ func ResizeImage(img image.Image, outputSize image.Point, maxImageTiles int) (im
newSize := getImageSizeFitToCanvas(b.Max, canvasSize, tileSize)
dst := image.NewRGBA(image.Rect(0, 0, newSize.X, newSize.Y))
draw.ApproxBiLinear.Scale(dst, dst.Rect, img, b, draw.Over, nil)
// scaling choices:
// NearestNeighbor fast, blocky output
// ApproxBiLinear fast, medium quality
// BiLinear slow, high quality
// CatmullRom very slow, very high quality
draw.BiLinear.Scale(dst, dst.Rect, img, b, draw.Over, nil)
return dst, aspectRatio
}