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colorutil update, some code cleanup

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Former-commit-id: 47b13e7e899dc9151f7a1ae71977ed8d4b403345
Former-commit-id: 136f9c787b76aec75d76535891cf264170bd3b04
This commit is contained in:
Song Minjae
2017-01-15 20:51:42 +09:00
parent e7276513d7
commit 1f1e2f6899
17 changed files with 227 additions and 168 deletions
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11
src/net/torvald/terrarum/StateBlurTest.kt
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@@ -53,14 +53,17 @@ class StateBlurTest : BasicGameState() {
g.flush()
}
private val isLE: Boolean
get() = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN
/** three iterations of box blur \simeq gaussian blur */
fun fastBoxBlur(from: Image, to: ImageBuffer, radius: Int) {
/** 0xRRGGBBAA */
fun getPixelData(index: Int): Int {
val r = from.texture.textureData[4 * index].toUint()
val r = from.texture.textureData[4 * index + if (isLE) 0 else 2].toUint()
val g = from.texture.textureData[4 * index + 1].toUint()
val b = from.texture.textureData[4 * index + 2].toUint()
val b = from.texture.textureData[4 * index + if (isLE) 2 else 0].toUint()
if (ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN) {
return r.shl(16) or g.shl(8) or b
@@ -76,9 +79,9 @@ class StateBlurTest : BasicGameState() {
val g = value.ushr(16).and(0xff)
val b = value.ushr(8).and(0xff)
to.rgba[4 * index] = r.toByte()
to.rgba[4 * index + if (isLE) 0 else 2] = r.toByte()
to.rgba[4 * index + 1] = g.toByte()
to.rgba[4 * index + 2] = b.toByte()
to.rgba[4 * index + if (isLE) 2 else 0] = b.toByte()
}
if (radius < 1) {