From 8fd6eb1bd880c49fbbb9fafb0ba8f65dac4bf480 Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Wed, 8 Aug 2012 21:13:29 +0800
Subject: [PATCH] dont' draw hidden object

---
 src/HTMLRenderer.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/HTMLRenderer.cc b/src/HTMLRenderer.cc
index 35bb0fb..dc08dec 100644
--- a/src/HTMLRenderer.cc
+++ b/src/HTMLRenderer.cc
@@ -241,6 +241,12 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
         return;
     }
 
+    //hidden
+    if(state->getRender() & 3 == 3)
+    {
+        return;
+    }
+
     // see if the line has to be closed due to state change
     check_state_change(state);