[DejaVu-bugs] [Bug 14519] Testing screenshot not identical to real text redndering

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=14519





--- Comment #7 from Arkady Belousov <arkady.belousov at gmail.com>  2008-06-16 23:53:47 PST ---
I may add more screenshots and suggestions. I test dejavu fonts (for my native
cyrillic) beside Opera also in Thunderbird, and found, that as in Opera [1]
only mono font isn't broken (some shapes in other fonts are damaged and in each
font damaged different shapes - I highlight broken shapes in screenshots).

[2] Mono font also have qurks - its spacing irregular (I mark irregularities in
screenshot). Possible suggestion: something wrong with hinting/kerning
information.

[3] Also, I was trying to select fonts for viewing in Opera (Tools / Options /
Advanced / Fonts / International), and also found, that different fonts
implemented with different quality. For example, Dejavu Sans Ligh implement
arabic preview, whereas Dejavu Sans show broken text. Possible suggestion: in
Dejavu Sans some shapes have zero-sized shapes hinting, and this makes them
invisible.

[4] The more so, something wrong with missing/present shapes we may found even
for international-less shapes. For example, preview in Opera shows, that Dejavu
Sans implements all "common punctuation", whereas Sans Mono implements less
shapes (even lesser, than Times New Roman).


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