cairo_set_source_rgb(cr, pango_font_red, pango_font_green, pango_font_blue);
pango_cairo_update_layout(cr, layout);
pango_layout_get_pixel_size(layout, NULL, &height);
/* Center the piece of text vertically if its height is smaller than the
* cached font height, and just let "high" symbols fall out otherwise. */
cairo_set_source_rgb(cr, pango_font_red, pango_font_green, pango_font_blue);
pango_cairo_update_layout(cr, layout);
pango_layout_get_pixel_size(layout, NULL, &height);
/* Center the piece of text vertically if its height is smaller than the
* cached font height, and just let "high" symbols fall out otherwise. */