From 893ebb6461c7c20eeb858565e3a1778e2f7dd236 Mon Sep 17 00:00:00 2001
From: Simon Steiner <ssteiner@apache.org>
Date: Thu, 17 Dec 2015 11:40:18 +0000
Subject: [PATCH] FOP-2553: Support PDF shading to PS

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1720523 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/fop/render/gradient/Function.java  | 31 +++++++++++++++++++
 .../apache/fop/render/gradient/Pattern.java   |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/src/java/org/apache/fop/render/gradient/Function.java b/src/java/org/apache/fop/render/gradient/Function.java
index 5099fce96..848b1cdb7 100644
--- a/src/java/org/apache/fop/render/gradient/Function.java
+++ b/src/java/org/apache/fop/render/gradient/Function.java
@@ -113,6 +113,9 @@ public class Function {
      */
     private List<Float> bounds;
 
+    private byte[] datasource;
+    private List<Integer> size;
+
     /**
      * create an complete Function object of Type 2, an Exponential Interpolation function.
      *
@@ -186,6 +189,14 @@ public class Function {
         this.encode = makeEncode(encode);
     }
 
+    public void setCZero(float[] cZero) {
+        this.cZero = cZero;
+    }
+
+    public void setCOne(float[] cOne) {
+        this.cOne = cOne;
+    }
+
     private List<Double> makeEncode(List<Double> encode) {
         if (encode != null) {
             return encode;
@@ -205,6 +216,15 @@ public class Function {
         this.range = range;
     }
 
+    public Function(List<Double> domain, List<Double> range, List<Double> encode, byte[] datasource, int bitsPerSample,
+                    List<Integer> size) {
+        this(0, domain, range);
+        this.encode = encode;
+        this.datasource = datasource;
+        this.bitsPerSample = bitsPerSample;
+        this.size = size;
+    }
+
     /**
      * Gets the function type
      */
@@ -295,6 +315,17 @@ public class Function {
             outputBitsPerSample(out);
             outputOrder(out);
             outputRange(out, doubleFormatter);
+            out.append("\n/DataSource <");
+            for (byte b : datasource) {
+                out.append(String.format("%02x", b & 0xff));
+            }
+            out.append(">\n");
+            out.append("/Size [");
+            for (Integer i : size) {
+                out.append(i);
+                out.append(" ");
+            }
+            out.append("]\n");
             out.append(">>");
         } else if (functionType == 2) {
             outputRange(out, doubleFormatter);
diff --git a/src/java/org/apache/fop/render/gradient/Pattern.java b/src/java/org/apache/fop/render/gradient/Pattern.java
index cc244f58c..eb473e922 100644
--- a/src/java/org/apache/fop/render/gradient/Pattern.java
+++ b/src/java/org/apache/fop/render/gradient/Pattern.java
@@ -27,7 +27,7 @@ public class Pattern {
 
     private final List<Double> matrix;
 
-    Pattern(int patternType, Shading shading, List<Double> matrix) {
+    public Pattern(int patternType, Shading shading, List<Double> matrix) {
         this.patternType = patternType;
         this.shading = shading;
         this.matrix = matrix;
-- 
2.39.5