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fix alpha channel in rescale. gah, that was ugly.

This commit is contained in:
Ted Unangst 2019-04-29 18:14:41 -04:00
parent aed70531ff
commit 6b3d4588c9
1 changed files with 1 additions and 1 deletions
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2
image.go
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@ -58,7 +58,7 @@ func blend(d []byte, s1, s2, s3, s4 int) byte {
}
func squish(d []byte, s1, s2, s3, s4 int) byte {
return uint8((uint32(s1) + uint32(s2)) / 2)
return uint8((uint32(d[s1]) + uint32(d[s2]) + uint32(d[s3]) + uint32(d[s4])) / 4)
}
func vacuumwrap(img image.Image, format string) ([]byte, string, error) {