Convert orx-shader-phrases and orx-noise to MPP

orx-jvm/orx-boofcv/src/main/kotlin/ImageFlowConversion.kt

@@ -0,0 +1,33 @@
+package org.openrndr.boofcv.binding
+
+import boofcv.struct.flow.ImageFlow
+import org.openrndr.draw.ColorBuffer
+import org.openrndr.draw.ColorFormat
+import org.openrndr.draw.ColorType
+import org.openrndr.draw.colorBuffer
+import java.nio.Buffer
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+
+fun ImageFlow.toColorBuffer(): ColorBuffer {
+
+    val cb = colorBuffer(
+        width, height, format = ColorFormat.RG,
+        type = ColorType.FLOAT32
+    )
+
+    val bb = ByteBuffer.allocateDirect(width * height * 8)
+    bb.order(ByteOrder.nativeOrder())
+    for (y in 0 until height) {
+        for (x in 0 until width) {
+            val f = get(x, y)
+            bb.putFloat(f.x)
+            bb.putFloat(f.y)
+        }
+    }
+
+    (bb as Buffer).rewind()
+    cb.write(bb)
+    cb.flipV = true
+    return cb
+}