[orx-fx] convert to MPP

2021-06-27 21:07:44 +02:00
parent 7d524df2de
commit 4dfc5c31c8
144 changed files with 1197 additions and 847 deletions
--- a/orx-fx/src/commonMain/kotlin/shadow/DropShadow.kt
+++ b/orx-fx/src/commonMain/kotlin/shadow/DropShadow.kt
@@ -0,0 +1,75 @@
+package org.openrndr.extra.fx.shadow
+
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.*
+import org.openrndr.extra.fx.fx_dropshadow_blend
+import org.openrndr.extra.fx.fx_dropshadow_blur
+import org.openrndr.extra.fx.mppFilterShader
+import org.openrndr.extra.parameters.ColorParameter
+import org.openrndr.extra.parameters.Description
+import org.openrndr.extra.parameters.DoubleParameter
+import org.openrndr.extra.parameters.IntParameter
+import org.openrndr.math.Vector2
+
+private class Blend : Filter(mppFilterShader(fx_dropshadow_blend, "dropshadow-blend")) {
+    var shift: Vector2 by parameters
+}
+
+@Description("Drop shadow")
+class DropShadow : Filter(mppFilterShader(fx_dropshadow_blur, "dropshadow-blur")) {
+    @IntParameter("blur window", 1, 25)
+    var window: Int by parameters
+    var spread: Double by parameters
+    @DoubleParameter("gain", 0.0, 4.0)
+    var gain: Double by parameters
+
+    @DoubleParameter("x shift", -30.0, 30.0)
+    var xShift: Double = 0.0
+
+    @DoubleParameter("y shift", -30.0, 30.0)
+    var yShift: Double = 0.0
+
+    @ColorParameter("color")
+    var color: ColorRGBa by parameters
+
+    private var intermediate: ColorBuffer? = null
+    private var intermediate2: ColorBuffer? = null
+    private var b = Blend()
+
+    init {
+        color = ColorRGBa.BLACK
+        window = 5
+        spread = 1.0
+        gain = 1.0
+    }
+
+    override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
+        intermediate?.let {
+            if (it.width != target[0].width || it.height != target[0].height) {
+                intermediate = null
+            }
+        }
+        intermediate2?.let {
+            if (it.width != target[0].width || it.height != target[0].height) {
+                intermediate2 = null
+            }
+        }
+        if (intermediate == null) {
+            intermediate = colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
+        }
+        if (intermediate2 == null) {
+            intermediate2 = colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
+        }
+
+        intermediate?.let {
+            parameters["blurDirection"] = Vector2(1.0, 0.0)
+            super.apply(source, arrayOf(it))
+
+            parameters["blurDirection"] = Vector2(0.0, 1.0)
+            super.apply(arrayOf(it), arrayOf(intermediate2!!))
+
+            b.shift = (Vector2(xShift,yShift)) / Vector2(target[0].width * 1.0, target[0].height * 1.0)
+            b.apply(arrayOf(intermediate2!!, source[0]), target)
+        }
+    }
+}