Adding support for randomized fills vendor options

Author: aaime

geocss/src/main/scala/org/geoscript/geocss/Translator.scala

@@ -55,7 +55,13 @@ class Translator(val baseURL: Option[java.net.URL]) {
 
   val gtPolygonVendorOpts = Seq(
     "-gt-graphic-margin" -> "graphic-margin",
-    "-gt-fill-label-obstacle" -> "labelObstacle"
+    "-gt-fill-label-obstacle" -> "labelObstacle",
+    "-gt-fill-random" -> "random",
+    "-gt-fill-random-seed" -> "random-seed",
+    "-gt-fill-random-tile-size" -> "random-tile-size",
+    "-gt-fill-random-symbol-count" -> "random-symbol-count",
+    "-gt-fill-random-space-around" -> "random-space-around",
+    "-gt-fill-random-rotation" -> "random-rotation"
   )
 
   val gtPointVendorOpts = Seq(

geocss/src/test/resources/gt-poly-opts.css

@@ -5,4 +5,11 @@
   fill: red;
   -gt-fill-label-obstacle: true;
   -gt-graphic-margin: 10 20 40 30;
+  -gt-fill-random: grid;
+  -gt-fill-random-seed: 125;
+  -gt-fill-random-tile-size: 128;
+  -gt-fill-random-symbol-count: 15;
+  -gt-fill-random-space-around: 3;
+  -gt-fill-random-rotation: free;
+  
 }

geocss/src/test/scala/org/geoscript/geocss/SLDTest.scala

@@ -202,6 +202,11 @@ class SLDTest extends FunSuite with ShouldMatchers {
     val vendor = getVendorOption(vendorOptions)_;
     vendor("labelObstacle") should be(Some("true"))
     vendor("graphic-margin") should be(Some("10 20 40 30"))
+    vendor("random") should be(Some("grid"))
+    vendor("random-seed") should be(Some("125"))
+    vendor("random-tile-size") should be(Some("128"))
+    vendor("random-space-around") should be(Some("3"))
+    vendor("random-rotation") should be(Some("free"))
   }
 
   test("GeoTools point vendor options should be passed through") {