in reply to GD::Graph cannot change font

Try like this 
$my_graph->set_y_label_font($font_spec, 12)  or warn $my_graph->error;

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Hopefully there will be a warning

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Re^2: GD::Graph cannot change font
by kp2a (Sexton) on Apr 24, 2011 at 15:36 UTC
    Thanks. Yes, a warning
    Processing sample95
libgd was not built with FreeType font support
        ...caught at ./sample95.pl line 84.

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[d/l]

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