78 lines
2.4 KiB
Kotlin
78 lines
2.4 KiB
Kotlin
package org.openrndr.extra.jumpfill.fx
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import org.openrndr.color.ColorRGBa
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import org.openrndr.draw.*
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import org.openrndr.extra.jumpfill.EncodeSubpixel
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import org.openrndr.extra.jumpfill.JumpFlooder
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import org.openrndr.extra.jumpfill.PixelDirection
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import org.openrndr.extra.parameters.ColorParameter
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import org.openrndr.extra.parameters.Description
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import org.openrndr.extra.parameters.DoubleParameter
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import org.openrndr.math.Vector2
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import org.openrndr.resourceUrl
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private class OuterGlowFilter : Filter(filterShaderFromUrl(resourceUrl("/shaders/gl3/fx/outer-glow.frag"))) {
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var angle: Double by parameters
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var width: Double by parameters
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var noise: Double by parameters
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var color: ColorRGBa by parameters
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var shape: Double by parameters
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var imageOpacity: Double by parameters
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init {
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angle = 0.0
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width = 5.0
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noise = 0.0
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shape = 1.0
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imageOpacity = 1.0
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}
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}
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@Description("Outer glow")
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class OuterGlow : Filter() {
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@DoubleParameter("width", 0.0, 50.0)
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var width = 5.0
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@DoubleParameter("noise", 0.0, 1.0)
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var noise = 0.1
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@DoubleParameter("shape", 0.0, 10.0)
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var shape = 1.0
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@DoubleParameter("opacity", 0.0, 1.0)
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var opacity = 1.0
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@DoubleParameter("image opacity", 0.0, 1.0)
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var imageOpacity = 1.0
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@ColorParameter("color")
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var color = ColorRGBa.WHITE
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private var jumpFlooder: JumpFlooder? = null
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private val decodeFilter = PixelDirection()
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private val glowFilter = OuterGlowFilter()
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private var distance: ColorBuffer? = null
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override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
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if (jumpFlooder == null) {
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jumpFlooder = JumpFlooder(target[0].width, target[0].height, encodePoints = EncodeSubpixel())
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}
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if (distance == null) {
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distance = colorBuffer(target[0].width, target[0].height, type = ColorType.FLOAT32)
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}
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val result = jumpFlooder!!.jumpFlood(source[0])
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decodeFilter.originalSize = Vector2(target[0].width * 1.0, target[0].height * 1.0)
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decodeFilter.distanceScale = 1.0
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decodeFilter.apply(result, result)
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result.copyTo(distance!!)
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glowFilter.color = color.opacify(opacity)
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glowFilter.width = width
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glowFilter.noise = noise
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glowFilter.shape = shape
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glowFilter.imageOpacity = imageOpacity
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glowFilter.apply(arrayOf(source[0], distance!!), target[0])
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}
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} |