From f1f5291b0d67a1e7f6ac618a63c50ec8f8fa9352 Mon Sep 17 00:00:00 2001
From: Lalit Pant <pant.lalit@gmail.com>
Date: Tue, 3 Mar 2020 00:03:08 +0530
Subject: [PATCH] Add support for picture effects based on ImageOp.

---
 src/main/scala/net/kogics/kojo/lite/Builtins.scala | 8 ++++++++
 src/main/scala/net/kogics/kojo/lite/Versions.scala | 4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/net/kogics/kojo/lite/Builtins.scala b/src/main/scala/net/kogics/kojo/lite/Builtins.scala
index a98787b1..d3015066 100644
--- a/src/main/scala/net/kogics/kojo/lite/Builtins.scala
+++ b/src/main/scala/net/kogics/kojo/lite/Builtins.scala
@@ -28,6 +28,7 @@ import javax.swing.JComponent
 import scala.language.implicitConversions
 import scala.swing.Graphics2D
 
+import com.jhlabs.image.AbstractBufferedImageOp
 import com.jhlabs.image.LightFilter.Light
 
 import net.kogics.kojo.mathworld.MathWorld
@@ -392,6 +393,13 @@ Here's a partial list of the available commands:
   val weave = picture.weave _
   def effect(name: Symbol, props: Tuple2[Symbol, Any]*) = picture.effect(name, props: _*)
   def effect(filter: BufferedImageOp) = picture.ApplyFilterc(filter)
+  type ImageOp = picture.ImageOp
+  def effect(filterOp: ImageOp) = {
+    val filterOp2 = new AbstractBufferedImageOp {
+      def filter(src: BufferedImage, dest: BufferedImage) = filterOp.filter(src)
+    }
+    picture.ApplyFilterc(filterOp2)
+  }
 
   // put api functions here to enable code completion right from function definitions
   def transform(fn: Picture => Unit) = preDrawTransform(fn)
diff --git a/src/main/scala/net/kogics/kojo/lite/Versions.scala b/src/main/scala/net/kogics/kojo/lite/Versions.scala
index b0e72954..162d424d 100644
--- a/src/main/scala/net/kogics/kojo/lite/Versions.scala
+++ b/src/main/scala/net/kogics/kojo/lite/Versions.scala
@@ -3,8 +3,8 @@ package net.kogics.kojo.lite
 object Versions {
   val KojoMajorVersion = "2.7"
   val KojoVersion = "2.7.11"
-  val KojoRevision = "r15"
-  val KojoBuildDate = "25 February 2020"
+  val KojoRevision = "r16"
+  val KojoBuildDate = "3 March 2020"
   val JavaVersion = {
     val jrv = System.getProperty("java.runtime.version")
     val arch = System.getProperty("os.arch")