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authorPhilipp Gesang <phg@phi-gamma.net>2017-02-02 22:59:15 +0100
committerPhilipp Gesang <phg@phi-gamma.net>2017-02-02 22:59:21 +0100
commit529578f58c8221f7fe3deaceecec3a4cf3ff8f2d (patch)
tree8ed3858cdff0d0dce95a79a5bd41ea0f03d0448e /scripts/mkstatus
parent7250ac958d842f45d28220db87203506d3ae65c0 (diff)
downloadluaotfload-529578f58c8221f7fe3deaceecec3a4cf3ff8f2d.tar.gz
[db] fix design size scaling
As discussed in issue #398. Ad futuram rei memoriam the gist of it: - For the index, all values are scaled (decipoints * sp) / 10 * (7227 / 7200). - The ``bp`` case (the default, OT-standard), needs no conversion because it matches how values are stored in the index. - The ``pt`` case essentially reverts the bp→pt part of scaling done for the database by scaling the asked size by the same factor, i. e. by 7227 / 7200. - The ``dd`` needs an extra 1238 / 1157. Requesting a font at 10pt will then: - ask for a size of 655360 for ``bp`` / default; - ask for 657817 for ``pt``; - ask for 703870 for ``dd``.
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