--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Scene2D/Internals/OpenGLTextProgram.h	Fri Apr 26 12:55:43 2019 +0200
@@ -0,0 +1,135 @@
+/**
+ * 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/>.
+ **/
+
+
+#pragma once
+
+#include "../../Fonts/GlyphTextureAlphabet.h"
+#include "../../OpenGL/IOpenGLContext.h"
+#include "../../OpenGL/OpenGLProgram.h"
+#include "../../OpenGL/OpenGLTexture.h"
+#include "../../Toolbox/AffineTransform2D.h"
+#include "../TextSceneLayer.h"
+
+namespace OrthancStone
+{
+  namespace Internals
+  {
+    class OpenGLTextProgram : public boost::noncopyable
+    {
+    public:
+      class Data : public boost::noncopyable
+      {
+      private:
+        OpenGL::IOpenGLContext&  context_;
+        size_t                   coordinatesCount_;
+        GLuint                   buffers_[2];
+        float                    red_;
+        float                    green_;
+        float                    blue_;
+        double                   x_;
+        double                   y_;
+        double                   border_;
+        unsigned int             textWidth_;
+        unsigned int             textHeight_;
+        BitmapAnchor             anchor_;
+
+      public:
+        Data(OpenGL::IOpenGLContext& context,
+             const GlyphTextureAlphabet& alphabet,
+             const TextSceneLayer& layer);
+
+        ~Data();
+
+        bool IsEmpty() const
+        {
+          return coordinatesCount_ == 0;
+        }
+
+        size_t GetCoordinatesCount() const
+        {
+          return coordinatesCount_;
+        }
+
+        GLuint GetSceneLocationsBuffer() const;
+
+        GLuint GetTextureLocationsBuffer() const;
+
+        float GetRed() const
+        {
+          return red_;
+        }
+
+        float GetGreen() const
+        {
+          return green_;
+        }
+
+        float GetBlue() const
+        {
+          return blue_;
+        }
+
+        double GetX() const
+        {
+          return x_;
+        }
+
+        double GetY() const
+        {
+          return y_;
+        }
+
+        double GetBorder() const
+        {
+          return border_;
+        }
+
+        unsigned int GetTextWidth() const
+        {
+          return textWidth_;
+        }
+
+        unsigned int GetTextHeight() const
+        {
+          return textHeight_;
+        }
+
+        BitmapAnchor GetAnchor() const
+        {
+          return anchor_;
+        }
+      };
+      
+    private:
+      OpenGL::IOpenGLContext&               context_;
+      std::auto_ptr<OpenGL::OpenGLProgram>  program_;
+      GLint                                 positionLocation_;
+      GLint                                 textureLocation_;
+
+    public:
+      OpenGLTextProgram(OpenGL::IOpenGLContext&  context);
+
+      void Apply(OpenGL::OpenGLTexture& fontTexture,
+                 const Data& data,
+                 const AffineTransform2D& transform);
+    };
+  }
+}