From: arif <devnull@localhost>
Date: Thu, 19 Nov 2009 22:55:02 +0000 (+0000)
Subject: alpha blending enabled
X-Git-Tag: LAST_LIBGRAPH~32^2~1551
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=df87c1cdf7a6118857f63a79095381625816437f;p=graphviz

alpha blending enabled
---

diff --git a/cmd/smyrna/topview.c b/cmd/smyrna/topview.c
index d8a4079e5..5609c6d7f 100755
--- a/cmd/smyrna/topview.c
+++ b/cmd/smyrna/topview.c
@@ -867,6 +867,10 @@ static int drawtopviewedgelabels(Agraph_t * g)
 
 void drawTopViewGraph(Agraph_t * g)
 {
+    
+    glEnable (GL_BLEND);
+    glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glDisable(GL_DEPTH_TEST);
     drawtopviewnodes(g);
     drawtopviewlabels(g);
     drawtopviewedges(g);