Introduced SetGAL() functions that will allow changing GAL backend for rendering on the fly.

common/painter.cpp

@@ -80,3 +80,10 @@ PAINTER::~PAINTER()
 {
     delete m_stroke_font;
 }
+
+
+void PAINTER::SetGAL( GAL* aGal )
+{
+    m_gal = aGal;
+    m_stroke_font->SetGAL( aGal );
+}

include/gal/stroke_font.h

@@ -152,6 +152,16 @@ public:
         m_verticalJustify = aVerticalJustify;
     }
 
+    /**
+     * Function SetGAL
+     * Changes Graphics Abstraction Layer used for drawing items for a new one.
+     * @param aGal is the new GAL instance.
+     */
+    void SetGAL( GAL* aGal )
+    {
+        m_gal = aGal;
+    }
+
 private:
     GAL*                m_gal;                                    ///< Pointer to the GAL
     GlyphList           m_glyphs;                                 ///< Glyph list

include/painter.h

@@ -180,6 +180,13 @@ public:
         m_settings = aSettings;
     }
 
+    /**
+     * Function SetGAL
+     * Changes Graphics Abstraction Layer used for drawing items for a new one.
+     * @param aGal is the new GAL instance.
+     */
+    void SetGAL( GAL* aGal );
+
     /**
      * Function GetSettings
      * Returns pointer to current settings that are going to be used when drawing items.