1 files changed, 111 insertions, 0 deletions
diff --git a/src/3rdparty/adaptagrams/libcola/box.cpp b/src/3rdparty/adaptagrams/libcola/box.cpp
new file mode 100644
index 0000000..8ad3cba
--- /dev/null
+++ b/src/3rdparty/adaptagrams/libcola/box.cpp
@@ -0,0 +1,111 @@
+/*
+ * vim: ts=4 sw=4 et tw=0 wm=0
+ *
+ * libcola - A library providing force-directed network layout using the 
+ *           stress-majorization method subject to separation constraints.
+ *
+ * Copyright (C) 2014  Monash University
+ *
+ * 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.
+ * See the file LICENSE.LGPL distributed with the library.
+ *
+ * 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.
+ *
+ * Author(s):  Michael Wybrow
+ *
+*/
+
+#include "libcola/box.h"
+
+namespace cola {
+
+Box::Box(double xMin, double xMax, double yMin, double yMax)
+{
+    m_min[vpsc::XDIM] = nonNegative(xMin);
+    m_max[vpsc::XDIM] = nonNegative(xMax);
+    m_min[vpsc::YDIM] = nonNegative(yMin);
+    m_max[vpsc::YDIM] = nonNegative(yMax);
+}
+
+Box::Box(double all)
+{
+    double value = nonNegative(all);
+    m_min[vpsc::XDIM] = value;
+    m_max[vpsc::XDIM] = value;
+    m_min[vpsc::YDIM] = value;
+    m_max[vpsc::YDIM] = value;
+}
+
+Box::Box()
+{
+    m_min[vpsc::XDIM] = 0;
+    m_max[vpsc::XDIM] = 0;
+    m_min[vpsc::YDIM] = 0;
+    m_max[vpsc::YDIM] = 0;
+}
+
+Box::~Box()
+{
+}
+
+bool Box::empty(void) const
+{
+    // values will be nonnegative so can sum to check if empty.
+    int total = m_min[vpsc::XDIM] + m_max[vpsc::XDIM] + 
+            m_min[vpsc::YDIM] + m_max[vpsc::YDIM];
+    return (total == 0);
+}
+
+void Box::outputCode(FILE *fp) const
+{
+    if ((m_min[vpsc::XDIM] == m_max[vpsc::XDIM]) &&
+        (m_min[vpsc::XDIM] == m_min[vpsc::YDIM]) &&
+        (m_min[vpsc::XDIM] == m_max[vpsc::YDIM]))
+    {
+        fprintf(fp, "Box(%g)", m_min[vpsc::XDIM]);
+    }
+    else
+    {
+        fprintf(fp, "Box(%g, %g, %g, %g)", m_min[vpsc::XDIM],
+                m_max[vpsc::XDIM], m_min[vpsc::YDIM], m_max[vpsc::YDIM]);
+    }
+}
+
+vpsc::Rectangle Box::rectangleByApplyingBox(
+        const vpsc::Rectangle rectangle) const
+{
+    if (!rectangle.isValid())
+    {
+        return rectangle;
+    }
+
+    return vpsc::Rectangle(
+            rectangle.getMinX() - m_min[vpsc::XDIM], 
+            rectangle.getMaxX() + m_max[vpsc::XDIM], 
+            rectangle.getMinY() - m_min[vpsc::YDIM], 
+            rectangle.getMaxY() + m_max[vpsc::YDIM]);
+}
+
+double Box::nonNegative(double value)
+{
+    return (value >= 0) ? value: 0;
+}
+
+double Box::min(size_t dim) const
+{
+    return (dim < 2) ? m_min[dim] : 0;
+}
+
+double Box::max(size_t dim) const
+{
+    return (dim < 2) ? m_max[dim] : 0;
+}
+
+
+}
+