Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
de.bixilon.kotlinglm.ColorSpace.kt Maven / Gradle / Ivy
package de.bixilon.kotlinglm
import de.bixilon.kotlinglm.vec3.Vec3
import de.bixilon.kotlinglm.vec4.Vec4
interface ColorSpace {
fun convertLinearToSRGB(colorLinear: Vec3, res: Vec3 = Vec3()) = compute_rgbToSrgb(colorLinear, 0.41666f, res)
fun convertLinearToSRGB(colorLinear: Vec3, gamma: Float, res: Vec3 = Vec3()) = compute_rgbToSrgb(colorLinear, 1 / gamma, res)
private fun compute_rgbToSrgb(colorRGB: Vec3, gammaCorrection: Float, res: Vec3): Vec3 {
val clampedColorX = GLM.clamp(colorRGB.x, 0f, 1f)
val clampedColorY = GLM.clamp(colorRGB.y, 0f, 1f)
val clampedColorZ = GLM.clamp(colorRGB.z, 0f, 1f)
res.x = if (clampedColorX >= 0.0031308f) GLM.pow(clampedColorX, gammaCorrection) * 1.055f - 0.055f else clampedColorX * 12.92f
res.y = if (clampedColorY >= 0.0031308f) GLM.pow(clampedColorY, gammaCorrection) * 1.055f - 0.055f else clampedColorY * 12.92f
res.z = if (clampedColorZ >= 0.0031308f) GLM.pow(clampedColorZ, gammaCorrection) * 1.055f - 0.055f else clampedColorZ * 12.92f
return res
}
fun convertLinearToSRGB(colorLinear: Vec4, res: Vec4 = Vec4()) = compute_rgbToSrgb(colorLinear, 0.41666f, res)
fun convertLinearToSRGB(colorLinear: Vec4, gamma: Float, res: Vec4 = Vec4()) = compute_rgbToSrgb(colorLinear, 1 / gamma, res)
private fun compute_rgbToSrgb(colorRGB: Vec4, gammaCorrection: Float, res: Vec4): Vec4 {
val clampedColorX = GLM.clamp(colorRGB.x, 0f, 1f)
val clampedColorY = GLM.clamp(colorRGB.y, 0f, 1f)
val clampedColorZ = GLM.clamp(colorRGB.z, 0f, 1f)
res.x = if (clampedColorX >= 0.0031308f) GLM.pow(clampedColorX, gammaCorrection) * 1.055f - 0.055f else clampedColorX * 12.92f
res.y = if (clampedColorY >= 0.0031308f) GLM.pow(clampedColorY, gammaCorrection) * 1.055f - 0.055f else clampedColorY * 12.92f
res.z = if (clampedColorZ >= 0.0031308f) GLM.pow(clampedColorZ, gammaCorrection) * 1.055f - 0.055f else clampedColorZ * 12.92f
res.w = colorRGB.w
return res
}
fun convertSRGBToLinear(colorSRGB: Vec3, res: Vec3 = Vec3()) = compute_srgbToRgb(colorSRGB, 2.4f, res)
fun convertSRGBToLinear(colorLinear: Vec3, gamma: Float, res: Vec3 = Vec3()) = compute_srgbToRgb(colorLinear, gamma, res)
fun compute_srgbToRgb(colorSRGB: Vec3, gamma: Float, res: Vec3): Vec3 {
res.x =
if (colorSRGB.x > 0.04045f)
GLM.pow((colorSRGB.x + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.x * 0.07739938080495356037151702786378f
res.y =
if (colorSRGB.y > 0.04045f)
GLM.pow((colorSRGB.y + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.y * 0.07739938080495356037151702786378f
res.z =
if (colorSRGB.z > 0.04045f)
GLM.pow((colorSRGB.z + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.z * 0.07739938080495356037151702786378f
return res
}
fun convertSRGBToLinear(colorSRGB: Vec4, res: Vec4 = Vec4()) = compute_srgbToRgb(colorSRGB, 2.4f, res)
fun convertSRGBToLinear(colorLinear: Vec4, gamma: Float, res: Vec4 = Vec4()) = compute_srgbToRgb(colorLinear, gamma, res)
fun compute_srgbToRgb(colorSRGB: Vec4, gamma: Float, res: Vec4): Vec4 {
res.x =
if (colorSRGB.x > 0.04045f)
GLM.pow((colorSRGB.x + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.x * 0.07739938080495356037151702786378f
res.y =
if (colorSRGB.y > 0.04045f)
GLM.pow((colorSRGB.y + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.y * 0.07739938080495356037151702786378f
res.z =
if (colorSRGB.z > 0.04045f)
GLM.pow((colorSRGB.z + 0.055f) * 0.94786729857819905213270142180095f, gamma)
else colorSRGB.z * 0.07739938080495356037151702786378f
res.w = colorSRGB.w
return res
}
}
