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cache inflated color entries in PackedColor

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This commit is contained in:
Adrian Siekierka 2022-09-03 16:25:44 +02:00
parent 3c0ee3c731
commit 7b8172af0f
1 changed files with 15 additions and 10 deletions
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25
src/main/scala/li/cil/oc/util/PackedColor.scala
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@ -119,6 +119,20 @@ object PackedColor {
private val greens = 8
private val blues = 5
private val staticPalette = new Array[Int](240)
{
for (index <- staticPalette.indices) {
val idxB = index % blues
val idxG = (index / blues) % greens
val idxR = (index / blues / greens) % reds
val r = (idxR * 0xFF / (reds - 1.0) + 0.5).toInt
val g = (idxG * 0xFF / (greens - 1.0) + 0.5).toInt
val b = (idxB * 0xFF / (blues - 1.0) + 0.5).toInt
staticPalette(index) = (r << rShift32) | (g << gShift32) | (b << bShift32)
}
}
// Initialize palette to grayscale, excluding black and white, because
// those are already contained in the normal color cube.
for (i <- palette.indices) {
@ -130,16 +144,7 @@ object PackedColor {
override def inflate(value: Int) =
if (isFromPalette(value)) super.inflate(value)
else {
val index = value - palette.length
val idxB = index % blues
val idxG = (index / blues) % greens
val idxR = (index / blues / greens) % reds
val r = (idxR * 0xFF / (reds - 1.0) + 0.5).toInt
val g = (idxG * 0xFF / (greens - 1.0) + 0.5).toInt
val b = (idxB * 0xFF / (blues - 1.0) + 0.5).toInt
(r << rShift32) | (g << gShift32) | (b << bShift32)
}
else staticPalette((value - palette.length) % 240)
override def deflate(value: Color) = {
val paletteIndex = super.deflate(value)