Files
orx/orx-jumpflood/src/commonMain/kotlin/fx/OuterGlow.kt

81 lines
2.5 KiB
Kotlin

@file:Suppress("RUNTIME_ANNOTATION_NOT_SUPPORTED")
package org.openrndr.extra.jumpfill.fx
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.*
import org.openrndr.extra.jumpfill.EncodeSubpixel
import org.openrndr.extra.jumpfill.JumpFlooder
import org.openrndr.extra.jumpfill.PixelDirection
import org.openrndr.extra.jumpflood.jf_outer_glow
import org.openrndr.extra.parameters.ColorParameter
import org.openrndr.extra.parameters.Description
import org.openrndr.extra.parameters.DoubleParameter
import org.openrndr.math.Vector2
import org.openrndr.shape.Rectangle
private class OuterGlowFilter : Filter(filterShaderFromCode(jf_outer_glow, "outer-glow")) {
var angle: Double by parameters
var width: Double by parameters
var noise: Double by parameters
var color: ColorRGBa by parameters
var shape: Double by parameters
var imageOpacity: Double by parameters
init {
angle = 0.0
width = 5.0
noise = 0.0
shape = 1.0
imageOpacity = 1.0
}
}
@Description("Outer glow")
class OuterGlow : Filter1to1(null) {
@DoubleParameter("width", 0.0, 50.0)
var width = 5.0
@DoubleParameter("noise", 0.0, 1.0)
var noise = 0.1
@DoubleParameter("shape", 0.0, 10.0)
var shape = 1.0
@DoubleParameter("opacity", 0.0, 1.0)
var opacity = 1.0
@DoubleParameter("image opacity", 0.0, 1.0)
var imageOpacity = 1.0
@ColorParameter("color")
var color = ColorRGBa.WHITE
private var jumpFlooder: JumpFlooder? = null
private val decodeFilter = PixelDirection()
private val glowFilter = OuterGlowFilter()
private var distance: ColorBuffer? = null
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>, clip: Rectangle?) {
if (jumpFlooder == null) {
jumpFlooder = JumpFlooder(target[0].width, target[0].height, encodePoints = EncodeSubpixel())
}
if (distance == null) {
distance = colorBuffer(target[0].width, target[0].height, type = ColorType.FLOAT32)
}
val result = jumpFlooder!!.jumpFlood(source[0])
decodeFilter.originalSize = Vector2(target[0].width * 1.0, target[0].height * 1.0)
decodeFilter.distanceScale = 1.0
decodeFilter.apply(result, result)
result.copyTo(distance!!)
glowFilter.color = color.opacify(opacity)
glowFilter.width = width
glowFilter.noise = noise
glowFilter.shape = shape
glowFilter.imageOpacity = imageOpacity
glowFilter.apply(arrayOf(source[0], distance!!), target[0], clip)
}
}