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Former-commit-id: 7821931c73c0d90a883b3732eb5a950c2b2a0402
Former-commit-id: b77ed6d9cc3effd183646a7e0c8411b4e125cfd2
This commit is contained in:
Song Minjae
2016-10-24 13:36:09 +09:00
parent 0837d23cb6
commit c65b17deec
7 changed files with 209 additions and 21 deletions
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8
src/net/torvald/colourutil/CIELChabUtil.kt
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@@ -1,6 +1,8 @@
package net.torvald.colourutil
import com.jme3.math.FastMath
import net.torvald.colourutil.CIELChUtil.toLCh
import net.torvald.colourutil.CIELChUtil.toLab
import net.torvald.colourutil.CIELabUtil.toLab
import net.torvald.colourutil.CIELabUtil.toRGB
import net.torvald.colourutil.CIELabUtil.toXYZ
@@ -49,15 +51,15 @@ object CIELChUtil {
return CIELab(L, a, b, alpha)
}
fun Color.toLCh() = this.toXYZ().toLab().toLCh()
fun CIELCh.toRGB() = this.toLab().toXYZ().toRGB()
private fun Float.sqr() = this * this
private fun Float.sqrt() = Math.sqrt(this.toDouble()).toFloat()
private fun Float.abs() = FastMath.abs(this)
}
fun Color.toLCh() = this.toXYZ().toLab().toLCh()
fun CIELCh.toRGB() = this.toLab().toXYZ().toRGB()
/**
* @param L : Luminosity in 0.0 - 1.0
* @param C : Chroma (saturation) in 0.0 - 1.0

14
src/net/torvald/colourutil/CIELabUtil.kt
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@@ -1,6 +1,10 @@
package net.torvald.colourutil
import com.jme3.math.FastMath
import net.torvald.colourutil.CIELabUtil.toLab
import net.torvald.colourutil.CIELabUtil.toRGB
import net.torvald.colourutil.CIELabUtil.toRawRGB
import net.torvald.colourutil.CIELabUtil.toXYZ
import org.newdawn.slick.Color
/**
@@ -47,11 +51,6 @@ object CIELabUtil {
return CIELab(newL, newA, newB, newAlpha).toRGB()
}
fun Color.toLab() = this.toXYZ().toLab()
fun RGB.toLab() = this.toXYZ().toLab()
fun CIELab.toRGB() = this.toXYZ().toRGB()
fun CIELab.toRawRGB() = this.toXYZ().toRawRGB()
fun RGB.toXYZ(): CIEXYZ {
val newR = if (r > 0.04045f)
((r + 0.055f) / 1.055f).powerOf(2.4f)
@@ -133,6 +132,11 @@ object CIELabUtil {
private fun Float.powerOf(exp: Float) = FastMath.pow(this, exp)
}
fun Color.toLab() = this.toXYZ().toLab()
fun RGB.toLab() = this.toXYZ().toLab()
fun CIELab.toRGB() = this.toXYZ().toRGB()
fun CIELab.toRawRGB() = this.toXYZ().toRawRGB()
internal val D65 = CIEXYZ(0.95047f, 1.00f, 1.08883f)
val epsilon = 216f/24389f
val kappa = 24389f/27f

10
src/net/torvald/colourutil/CIELuvUtil.kt
View File

@@ -5,6 +5,8 @@ import org.newdawn.slick.Color
import net.torvald.colourutil.CIELabUtil.toXYZ
import net.torvald.colourutil.CIELabUtil.toRawRGB
import net.torvald.colourutil.CIELabUtil.toRGB
import net.torvald.colourutil.CIELuvUtil.toLuv
import net.torvald.colourutil.CIELuvUtil.toXYZ
/**
* A modification of CIEXYZ that is useful for additive mixtures of lights.
@@ -91,14 +93,14 @@ object CIELuvUtil {
return CIEXYZ(X, Y, Z, alpha)
}
fun Color.toLuv() = this.toXYZ().toLuv()
fun CIELuv.toRawRGB() = this.toXYZ().toRawRGB()
fun CIELuv.toRGB() = this.toXYZ().toRGB()
private fun Float.cbrt() = FastMath.pow(this, 1f / 3f)
private fun Float.cube() = this * this * this
}
fun Color.toLuv() = this.toXYZ().toLuv()
fun CIELuv.toRawRGB() = this.toXYZ().toRawRGB()
fun CIELuv.toRGB() = this.toXYZ().toRGB()
/**
* Range:
* L: 0-100.0