46 lines
1.3 KiB
Kotlin
46 lines
1.3 KiB
Kotlin
@file:Suppress("RUNTIME_ANNOTATION_NOT_SUPPORTED")
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package org.openrndr.extra.fx.blur
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import org.openrndr.draw.*
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import org.openrndr.extra.fx.fx_zoom_blur
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import org.openrndr.extra.fx.mppFilterShader
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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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@Description("Zoom Blur")
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class ZoomBlur : Filter1to1(mppFilterShader(fx_zoom_blur, "zoom-blur")) {
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var center: Vector2 by parameters
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@DoubleParameter("strength", 0.0, 1.0)
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var strength: Double by parameters
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init {
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center = Vector2.ONE / 2.0
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strength = 0.2
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}
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private var intermediate: ColorBuffer? = null
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override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
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intermediate?.let {
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if (it.width != target[0].width || it.height != target[0].height) {
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intermediate = null
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}
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}
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if (intermediate == null) {
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intermediate =
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colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
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}
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intermediate?.let {
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parameters["dimensions"] = Vector2(it.effectiveWidth.toDouble(), it.effectiveHeight.toDouble())
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super.apply(source, arrayOf(it))
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it.copyTo(target[0])
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}
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}
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} |