--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Viewport/CairoFont.cpp	Fri Oct 14 15:34:11 2016 +0200
@@ -0,0 +1,76 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, 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.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * 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 "CairoFont.h"
+
+#include "../Orthanc/Core/Logging.h"
+#include "../Orthanc/Core/OrthancException.h"
+
+namespace OrthancStone
+{
+  CairoFont::CairoFont(const char* family,
+                       cairo_font_slant_t slant,
+                       cairo_font_weight_t weight)
+  {
+    font_ = cairo_toy_font_face_create(family, slant, weight);
+    if (font_ == NULL)
+    {
+      LOG(ERROR) << "Unknown font: " << family;
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+  }
+
+
+  CairoFont::~CairoFont()
+  {
+    if (font_ != NULL)
+    {
+      cairo_font_face_destroy(font_);
+    }
+  }
+
+
+  void CairoFont::Draw(CairoContext& context,
+                       const std::string& text,
+                       double size)
+  {
+    if (size <= 0)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+    }
+
+    cairo_t* cr = context.GetObject();
+    cairo_set_font_face(cr, font_);
+    cairo_set_font_size(cr, size);
+    cairo_show_text(cr, text.c_str());    
+  }
+}