we need to allow baseline offset when calculate text position

graphics/glyph_layout.cpp

@@ -518,4 +518,13 @@ namespace graphics
   {
     return m_fontDesc;
   }
+
+  int GlyphLayout::baseLineOffset()
+  {
+    int result = 0;
+    for (size_t i = 0; i < m_metrics.size(); ++i)
+      result = min(m_metrics[i].m_yOffset, result);
+
+    return -result;
+  }
 }

graphics/glyph_layout.hpp

@@ -120,5 +120,7 @@ namespace graphics
 
     m2::PointD const & offset() const;
     void setOffset(m2::PointD const & offs);
+
+    int baseLineOffset();
   };
 }

graphics/straight_text_element.cpp

@@ -129,6 +129,9 @@ namespace graphics
         m_glyphLayouts.push_back(GlyphLayout(p.m_glyphCache, p.m_auxFontDesc, m2::PointD(0, 0), auxRes[i], graphics::EPosCenter));
     }
 
+    for (size_t i = 0; i < m_glyphLayouts.size(); ++i)
+      allElemHeight -= m_glyphLayouts[i].baseLineOffset();
+
     double curShift = allElemHeight / 2;
 
     /// performing aligning of glyphLayouts as for the center position