Clean opengl rendering.

src/graphics/PainterFactory.cpp

@@ -0,0 +1,27 @@
+#include "PainterFactory.h"
+
+#include "OpenGlPainter.h"
+#include "OpenGlMeshPainter.h"
+#include "OpenGlTextPainter.h"
+#include "OpenGlShaderProgram.h"
+#include "OpenGlFontTexture.h"
+
+#include "Grid.h"
+
+#include "RasterPainter.h"
+
+#include "DrawingContext.h"
+
+std::unique_ptr<AbstractPainter> PainterFactory::Create(DrawingMode drawMode)
+{
+    if (drawMode == DrawingMode::GRAPH)
+    {
+        return std::make_unique<OpenGlPainter>();
+    }
+    else
+    {
+        return std::make_unique<RasterPainter>();
+    }
+}
+
+