--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Sources/Extent2D.cpp	Thu Apr 04 18:35:54 2024 +0200
@@ -0,0 +1,107 @@
+/**
+ * SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+/**
+ * STL plugin for Orthanc
+ * Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "Extent2D.h"
+
+#include <OrthancException.h>
+
+
+void Extent2D::CheckNotEmpty() const
+{
+  if (isEmpty_)
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+  }
+}
+
+
+Extent2D::Extent2D() :
+  isEmpty_(true),
+  x1_(0),
+  y1_(0),
+  x2_(0),
+  y2_(0)
+{
+}
+
+
+double Extent2D::GetMinX() const
+{
+  CheckNotEmpty();
+  return x1_;
+}
+
+
+double Extent2D::GetMaxX() const
+{
+  CheckNotEmpty();
+  return x2_;
+}
+
+
+double Extent2D::GetMinY() const
+{
+  CheckNotEmpty();
+  return y1_;
+}
+
+
+double Extent2D::GetMaxY() const
+{
+  CheckNotEmpty();
+  return y2_;
+}
+
+
+double Extent2D::GetWidth() const
+{
+  CheckNotEmpty();
+  return x2_ - x1_;
+}
+
+
+double Extent2D::GetHeight() const
+{
+  CheckNotEmpty();
+  return y2_ - y1_;
+}
+
+
+void Extent2D::Add(double x,
+                   double y)
+{
+  if (isEmpty_)
+  {
+    x1_ = x2_ = x;
+    y1_ = y2_ = y;
+    isEmpty_ = false;
+  }
+  else
+  {
+    x1_ = std::min(x1_, x);
+    x2_ = std::max(x2_, x);
+    y1_ = std::min(y1_, y);
+    y2_ = std::max(y2_, y);
+  }
+}