From 4a972600ed4813587103dc39681c190f9c6d4505 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 3 Sep 2004 18:12:40 +0000
Subject: [PATCH] add test on viewport (would have catched Hung's bug)
---
gl2ps.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/gl2ps.c b/gl2ps.c
index 969346c..8f72404 100644
--- a/gl2ps.c
+++ b/gl2ps.c
@@ -1,4 +1,4 @@
-/* $Id: gl2ps.c,v 1.177 2004-07-13 15:59:49 geuzaine Exp $ */
+/* $Id: gl2ps.c,v 1.178 2004-09-03 18:12:40 geuzaine Exp $ */
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2004 Christophe Geuzaine <geuz@geuz.org>
@@ -4316,6 +4316,15 @@ GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer,
gl2ps->viewport[i] = viewport[i];
}
}
+
+ if(!viewport[2] || !viewport[3]){
+ gl2psMsg(GL2PS_ERROR, "Incorrect viewport (x=%d, y=%d, width=%d, height=%d)",
+ viewport[0], viewport[1], viewport[2], viewport[3]);
+ gl2psFree(gl2ps);
+ gl2ps = NULL;
+ return GL2PS_ERROR;
+ }
+
gl2ps->threshold[0] = nr ? 1.0F/(GLfloat)nr : 0.032F;
gl2ps->threshold[1] = ng ? 1.0F/(GLfloat)ng : 0.017F;
gl2ps->threshold[2] = nb ? 1.0F/(GLfloat)nb : 0.050F;
--
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