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graphics: Bug fix: mipmap level calculation

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This commit is contained in:
Hajime Hoshi 2018-07-31 01:02:09 +09:00
parent d7d02e6d6a
commit b8ab1363d2
1 changed files with 1 additions and 1 deletions
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2
image.go
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@ -254,7 +254,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
level := uint(0)
if filter == graphics.FilterLinear {
det := math.Abs(float64(geom.det()))
for det < 0.5 {
for det < 0.25 {
level++
det *= 4
}