When using slight hinting (which I believe is the default) and 7pt font size (or 9px), uppercase characters in bold variants are one pixel shorter than the regular-weight variants. This is particularly noticeable when there's a bold word in uppercase between normal-weight text, i.e.:
The screenshot was taken using the standard font picker dialog's preview area. "None" and "Full" hinting options are provided just for comparison; they are internally consistent. Subpixel smoothing was used, but the smoothing method has no influence on the problem.
UA String:
Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3
Rendered in 7pt Bold
Sample Glyphs:
ABCDEFGHIJKLMNO PQRSTUVWXYZ
Description:
When using slight hinting (which I believe is the default) and 7pt font size (or 9px), uppercase characters in bold variants are one pixel shorter than the regular-weight variants. This is particularly noticeable when there's a bold word in uppercase between normal-weight text, i.e.:
<p style="font: 7pt Ubuntu">EXAMPLE <b>EXAMPLE</b> EXAMPLE</p>
The screenshot was taken using the standard font picker dialog's preview area. "None" and "Full" hinting options are provided just for comparison; they are internally consistent. Subpixel smoothing was used, but the smoothing method has no influence on the problem.
UA String:
Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3