Index: ParaView-v4.2.0-source/VTK/Rendering/FreeType/vtkFreeTypeTools.cxx
===================================================================
--- ParaView-v4.2.0-source.orig/VTK/Rendering/FreeType/vtkFreeTypeTools.cxx
+++ ParaView-v4.2.0-source/VTK/Rendering/FreeType/vtkFreeTypeTools.cxx
@@ -1183,7 +1183,7 @@ bool vtkFreeTypeTools::CalculateBounding
     if (bitmap)
       {
       metaData.ascent = std::max(bitmapGlyph->top - 1, metaData.ascent);
-      metaData.descent = std::min(-(bitmap->rows - (bitmapGlyph->top - 1)),
+      metaData.descent = std::min(-(static_cast<int>(bitmap->rows) - (bitmapGlyph->top - 1)),
                                   metaData.descent);
       }
     ++heightString;
@@ -1950,8 +1950,8 @@ void vtkFreeTypeTools::GetLineMetrics(T
     if (bitmap)
       {
       bbox[0] = std::min(bbox[0], pen[0] + bitmapGlyph->left);
-      bbox[1] = std::max(bbox[1], pen[0] + bitmapGlyph->left + bitmap->width);
-      bbox[2] = std::min(bbox[2], pen[1] + bitmapGlyph->top - 1 - bitmap->rows);
+      bbox[1] = std::max(bbox[1], pen[0] + bitmapGlyph->left + static_cast<int>(bitmap->width));
+      bbox[2] = std::min(bbox[2], pen[1] + bitmapGlyph->top - 1 - static_cast<int>(bitmap->rows));
       bbox[3] = std::max(bbox[3], pen[1] + bitmapGlyph->top - 1);
       }
     else