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Workaround a bug in BlurHashSharp

This commit is contained in:
Vasily 2020-05-27 19:29:57 +03:00
parent edcfcadcd3
commit f30b07130f
1 changed files with 11 additions and 3 deletions
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14
Jellyfin.Drawing.Skia/SkiaEncoder.cs
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@ -251,10 +251,18 @@ namespace Jellyfin.Drawing.Skia
// We want tiles to be as close to square as possible, and to *mostly* keep under 16 tiles for performance.
// One tile is (width / xComp) x (height / yComp) pixels, which means that ideally yComp = xComp * height / width.
// See more at https://github.com/woltapp/blurhash/#how-do-i-pick-the-number-of-x-and-y-components
float xComp = MathF.Sqrt(16.0f * dims.Width / dims.Height);
float yComp = xComp * dims.Height / dims.Width;
float xCompF = MathF.Sqrt(16.0f * dims.Width / dims.Height);
float yCompF = xCompF * dims.Height / dims.Width;
return BlurHashEncoder.Encode(Math.Min((int)xComp + 1, 9), Math.Min((int)yComp + 1, 9), path);
int xComp = Math.Min((int)xCompF + 1, 9);
int yComp = Math.Min((int)yCompF + 1, 9);
// FIXME: current lib is bugged for xComp != yComp
// remove when https://github.com/Bond-009/BlurHashSharp/pull/1 is merged
int tmp = Math.Max(xComp, yComp);
xComp = yComp = tmp;
return BlurHashEncoder.Encode(xComp, yComp, path);
}
private static bool HasDiacritics(string text)