1 files changed, 86 insertions, 0 deletions
diff --git a/src/libavoid/polyutil.cpp b/src/libavoid/polyutil.cpp
new file mode 100644
index 000000000..6ece50e63
--- /dev/null
+++ b/src/libavoid/polyutil.cpp
@@ -0,0 +1,86 @@
+/*
+ * vim: ts=4 sw=4 et tw=0 wm=0
+ *
+ * libavoid - Fast, Incremental, Object-avoiding Line Router
+ * Copyright (C) 2004-2005  Michael Wybrow <mjwybrow@users.sourceforge.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+*/
+
+
+#include "libavoid/shape.h"
+
+namespace Avoid {
+
+
+Polygn newPoly(int size)
+{
+    Polygn newpoly;
+
+    newpoly.pn = size;
+    newpoly.ps = (Point *) calloc(size, sizeof(Point));
+    if (!newpoly.ps)
+    {
+        fprintf(stderr,
+                "Error: Unable to allocate Point array in Avoid::newPoly\n");
+        abort();
+    }
+    return newpoly;
+}
+
+
+Polygn copyPoly(Polygn poly)
+{
+    Polygn newpoly = newPoly(poly.pn);
+
+    newpoly.id = poly.id;
+    for (int i = 0; i < poly.pn; i++)
+    {
+        newpoly.ps[i] = poly.ps[i];
+    }
+    return newpoly;
+}
+
+
+Polygn copyPoly(ShapeRef *shape)
+{
+    Polygn poly = shape->poly();
+    Polygn newpoly = newPoly(poly.pn);
+
+    newpoly.id = poly.id;
+    for (int i = 0; i < poly.pn; i++)
+    {
+        newpoly.ps[i] = poly.ps[i];
+    }
+    return newpoly;
+}
+
+
+void freePoly(Polygn& poly)
+{
+    std::free(poly.ps);
+}
+
+
+void freePtrPoly(Polygn *poly)
+{
+    std::free(poly->ps);
+    std::free(poly);
+}
+
+
+}
+