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            std::string sample="abcdefghijklmnopqrstuvwxyz";

            //pick the appropriate font
            std::string fontName;
#ifdef _WIN32
            if (Type==VARIABLE_SERIF)
                fontName="Times New Roman";
            else if (Type==VARIABLE_SANSERIF)
                fontName="Arial";
            else if (Type==FIXED_SERIF)
                fontName="Courier New";
#else
            if (Type==VARIABLE_SERIF)
                fontName="Serif";
            else if (Type==VARIABLE_SANSERIF)
                fontName="Sans Serif";
            else if (Type==FIXED_SERIF)
                fontName="Monospace";
#endif
            else
                MPMA::ErrorReport()<<"Unhandled font type in FontCacheEntry::Build: "<<Type<<"\n";

            //render the string
            MagickCore::MagickWand *wand=MagickCore::NewMagickWand();
            if (!MagickCore::MagickSetFont(wand, fontName.c_str()))
                MPMA::ErrorReport()<<"In FontCacheEntry::Build, MagickSetFont failed for "<<fontName<<"\n";
            MagickCore::MagickSetSize(wand, 100, 0);
            MagickCore::MagickSetPointsize(wand, Size);
            MagickCore::MagickSetOption(wand, "fill", "black");
            MagickCore::MagickSetOption(wand, "background", "transparent");
            MagickCore::MagickSetGravity(wand, MagickCore::NorthGravity);
            MagickCore::MagickReadImage(wand, (std::string("caption:")+sample).c_str());