Delegate function rendering to dedicated class intead of taking as parameter a list of Strings coming from who knows where

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP-2393_gradient-rendering@1610535 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 8 insertions, 3 deletions

diff --git a/src/java/org/apache/fop/render/gradient/Function.java b/src/java/org/apache/fop/render/gradient/Function.java
index f37479538..e83f6dc05 100644
--- a/src/java/org/apache/fop/render/gradient/Function.java
+++ b/src/java/org/apache/fop/render/gradient/Function.java
@@ -24,6 +24,11 @@ import org.apache.fop.pdf.PDFNumber;
 
 public class Function {
 
+    public interface SubFunctionRenderer {
+
+        void outputFunction(StringBuilder out, int functionIndex);
+    }
+
     /**
      * Required: The Type of function (0,2,3,4) default is 0.
      */
@@ -333,7 +338,7 @@ public class Function {
         return cOne;
     }
 
-    public String toWriteableString(List<String> functionsStrings) {
+    public String toWriteableString(SubFunctionRenderer subFunctionRenderer) {
         StringBuilder out = new StringBuilder(256);
         out.append("<<\n/FunctionType " + functionType + "\n");
         outputDomain(out);
@@ -362,8 +367,8 @@ public class Function {
             outputRange(out);
             if (!functions.isEmpty()) {
                 out.append("/Functions [ ");
-                for (String f : functionsStrings) {
-                    out.append(f);
+                for (int i = 0; i < functions.size(); i++) {
+                    subFunctionRenderer.outputFunction(out, i);
                     out.append(' ');
                 }
                 out.append("]\n");