/
ShadeStyleFilter.kt
79 lines (66 loc) · 2.61 KB
/
ShadeStyleFilter.kt
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package org.openrndr.draw
import org.openrndr.color.ColorRGBa
import org.openrndr.internal.Driver
import org.openrndr.shape.Rectangle
private val shadeStyleManager by lazy {
ShadeStyleManager.fromGenerators(
"shade-style-filter",
vsGenerator = Driver.instance.shaderGenerators::filterVertexShader,
fsGenerator = Driver.instance.shaderGenerators::filterFragmentShader
)
}
/**
* A [Filter] that uses the [ShadeStyle] interface and language
* @param shadeStyle the [ShadeStyle] that is applied as a filter
*/
class ShadeStyleFilter(val shadeStyle: ShadeStyle) : Filter(), StyleParameters by shadeStyle {
var fill: ColorRGBa by parameters
init {
fill = ColorRGBa.WHITE
shadeStyle.parameter("fill", fill)
}
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>, clip: Rectangle?) {
shadeStyle.parameter("fill", fill)
shadeStyle.textureBaseIndex = source.size
for ((index, buffer) in source.withIndex()) {
shadeStyle.parameter("input$index", buffer)
}
val shader = shadeStyleManager.shader(shadeStyle, format)
val realFilter = Filter(shader)
realFilter.apply(source, target, clip)
}
}
class ShadeStyleFilter1to1(val shadeStyle: ShadeStyle) : Filter1to1(), StyleParameters by shadeStyle {
var fill: ColorRGBa by parameters
init {
fill = ColorRGBa.WHITE
shadeStyle.parameter("fill", fill)
}
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>, clip: Rectangle?) {
shadeStyle.parameter("fill", fill)
shadeStyle.textureBaseIndex = source.size
for ((index, buffer) in source.withIndex()) {
shadeStyle.parameter("input$index", buffer)
}
val shader = shadeStyleManager.shader(shadeStyle, format)
val realFilter = Filter1to1(shader)
realFilter.apply(source, target, clip)
}
}
class ShadeStyleFilter2to1(val shadeStyle: ShadeStyle) : Filter2to1(), StyleParameters by shadeStyle {
var fill: ColorRGBa by parameters
init {
fill = ColorRGBa.WHITE
shadeStyle.parameter("fill", fill)
}
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>, clip: Rectangle?) {
shadeStyle.parameter("fill", fill)
shadeStyle.textureBaseIndex = source.size
for ((index, buffer) in source.withIndex()) {
shadeStyle.parameter("input$index", buffer)
}
val shader = shadeStyleManager.shader(shadeStyle, format)
val realFilter = Filter1to1(shader)
realFilter.apply(source, target, clip)
}
}