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fixed instability in table packing/unpacking as suggested in #184

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This commit is contained in:
Florian Nücke 2014-03-30 21:40:51 +02:00
parent fc0150b9cc
commit 38533cdc4a
1 changed files with 6 additions and 6 deletions
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12
src/main/scala/li/cil/oc/util/PackedColor.scala
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@ -47,16 +47,16 @@ object PackedColor {
private val rScale = 255.0 / ((1 << rBits) - 1)
def inflate(value: Int) = {
val r = ((((value & rMask) >>> rShift) * rScale).toInt << rShift32) & rMask32
val g = ((((value & gMask) >>> gShift) * gScale).toInt << gShift32) & gMask32
val b = ((((value & bMask) >>> bShift) * bScale).toInt << bShift32) & bMask32
val r = ((((value & rMask) >>> rShift) * rScale + 0.5).toInt << rShift32) & rMask32
val g = ((((value & gMask) >>> gShift) * gScale + 0.5).toInt << gShift32) & gMask32
val b = ((((value & bMask) >>> bShift) * bScale + 0.5).toInt << bShift32) & bMask32
r | g | b
}
def deflate(value: Int) = {
val r = ((((value & rMask32) >>> rShift32) / rScale).toInt << rShift) & rMask
val g = ((((value & gMask32) >>> gShift32) / gScale).toInt << gShift) & gMask
val b = ((((value & bMask32) >>> bShift32) / bScale).toInt << bShift) & bMask
val r = ((((value & rMask32) >>> rShift32) / rScale + 0.5).toInt << rShift) & rMask
val g = ((((value & gMask32) >>> gShift32) / gScale + 0.5).toInt << gShift) & gMask
val b = ((((value & bMask32) >>> bShift32) / bScale + 0.5).toInt << bShift) & bMask
r | g | b
}
}