--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Fonts/TextBoundingBox.cpp	Fri Apr 19 15:42:57 2019 +0200
@@ -0,0 +1,80 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero 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
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "TextBoundingBox.h"
+
+namespace OrthancStone
+{
+  void TextBoundingBox::AddPoint(int x,
+                                 int y)
+  {
+    left_ = std::min(left_, x);
+    right_ = std::max(right_, x);
+    top_ = std::min(top_, y);
+    bottom_ = std::max(bottom_, y);
+  }
+
+
+  void TextBoundingBox::Clear()
+  {
+    left_ = 0;
+    top_ = 0;
+    right_ = 0;
+    bottom_ = 0;
+    countCharacters_ = 0;
+  }
+
+
+  void TextBoundingBox::Visit(uint32_t unicode,
+                              int x,
+                              int y,
+                              unsigned int width,
+                              unsigned int height,
+                              const Orthanc::IDynamicObject* payload /* ignored */)
+  {
+    AddPoint(x, y);
+    AddPoint(x + static_cast<int>(width),
+             y + static_cast<int>(height));
+    countCharacters_++;
+  }
+
+
+  TextBoundingBox::TextBoundingBox(const GlyphAlphabet& alphabet,
+                                   const std::string& utf8)
+  {
+    Clear();
+    alphabet.Apply(*this, utf8);
+  }
+
+
+  unsigned int TextBoundingBox::GetWidth() const
+  {
+    assert(left_ <= right_);
+    return static_cast<unsigned int>(right_ - left_ + 1);
+  }
+
+  
+  unsigned int TextBoundingBox::GetHeight() const
+  {
+    assert(top_ <= bottom_);
+    return static_cast<unsigned int>(bottom_ - top_ + 1);
+  }
+}