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Use CatmullRom instead of ApproxBiLinear for thumbnail generation (#964)

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confiks
2025-09-05 17:19:46 +02:00
committed by GitHub
parent a2e108eac4
commit 0408b1c03b
1 changed files with 1 additions and 1 deletions
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2
backend/internal/data/repo/repo_item_attachments.go
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@@ -851,7 +851,7 @@ func (r *AttachmentRepo) processThumbnailFromImage(ctx context.Context, groupId
} }
newWidth, newHeight := calculateThumbnailDimensions(bounds.Dx(), bounds.Dy(), r.thumbnail.Width, r.thumbnail.Height) newWidth, newHeight := calculateThumbnailDimensions(bounds.Dx(), bounds.Dy(), r.thumbnail.Width, r.thumbnail.Height)
dst := image.NewRGBA(image.Rect(0, 0, newWidth, newHeight)) dst := image.NewRGBA(image.Rect(0, 0, newWidth, newHeight))
draw.ApproxBiLinear.Scale(dst, dst.Rect, img, img.Bounds(), draw.Over, nil) draw.CatmullRom.Scale(dst, dst.Rect, img, img.Bounds(), draw.Over, nil)
buf := new(bytes.Buffer) buf := new(bytes.Buffer)
err := webp.Encode(buf, dst, webp.Options{Quality: 80, Lossless: false}) err := webp.Encode(buf, dst, webp.Options{Quality: 80, Lossless: false})