1 files changed, 3 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/render/RendererContextConstants.java b/src/java/org/apache/fop/render/RendererContextConstants.java
index 1d219cab2..c744a82a1 100644
--- a/src/java/org/apache/fop/render/RendererContextConstants.java
+++ b/src/java/org/apache/fop/render/RendererContextConstants.java
@@ -26,6 +26,9 @@ public interface RendererContextConstants {
     /** The output stream that the document is being sent to. */
     String OUTPUT_STREAM = "outputStream";
     
+    /** The current PageViewport being rendered. */
+    String PAGE_VIEWPORT = "pageViewport";
+    
     /** The target width of the image being painted. */
     String WIDTH = "width";