Dixi quod… >$ atril moo.pdf
Further debugging reveals the cause: When Qt5 embeds a font, it scales it to 2048 ppem, no matter if it was 1000 ppem (PS/CFF) or 1024 ppem (TTF) before. I think this is because [QTBUG-586] it cannot embed CFF fonts, so it always converts to TTF (apparently even if it was TTF already). The conversion is done not incompetently, the new metrics are correct… but it only changes the metrics in the head table, not in the OS/2 or hhea tables (as can be seen when loading the font from the PDF in FontForge). Furthermore, the /FontBBox in the PDF is constructed from the values from the original font. I can confirm that if I prescale the font to 2048 ppem, ceteris paribus, the bug no longer appears. QPdfEnginePrivate::embedFont calls font->toTruetype() but later uses font->fontEngine->properties() for metrics. QFontSubset::toTruetype does the conversion to 2048 ppem and others, saying it does not need to add an OS/2 table, only to later copy the one from the original font if present without adjusting its values. bye, //mirabilos -- 22:20⎜<asarch> The crazy that persists in his craziness becomes a master 22:21⎜<asarch> And the distance between the craziness and geniality is only measured by the success 18:35⎜<asarch> "Psychotics are consistently inconsistent. The essence of sanity is to be inconsistently inconsistent
