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This reverts commit 57764e3a36449da25bb829c34cb08c54e9e5de90.

For regular font pattern we don't look into fvar, so it doesn't make sense to
get non-variation from it either.

Meh.

This can be used for FC_VARIABLE=FcDontCare for example, to opt into getting
variable fonts for clients that support using them.

Oops.

Old logic was really bad.  If you requested weight=102 and got a medium
font (weight=100), it would still enable emboldening...

Adjust it to only embolden if request was >= bold and font was <= regular.

Has two distinctions from FcCompareRange():
1. As best value, it returns query pattern size, even if it's out of font range,
2. Implements semi-closed interval, as that's what OS/2 v5 table defines

Blanks are the new black, err, dead!

If font claims to support range [100,900], and request is for [250], then
return [250] in "rendered" pattern.  Previously was returning [100,900].

This is desirable for varfonts weight and width, but probably not for size.
Will roll back size to return request size always, for non-empty ranges.

Returns varfont pattern at the end.

Ouch!

If "instance-number" part of face id is set to 0x8000, return a pattern
for variable font as a whole.  This might have a range for weight, width,
and size.

If no variation is found, NULL is returned.

Not hooked up to FcQueryFaceAll() yet.  For now, can be triggered using
fc-query -i 0x80000000

There's nothing assymetrical about how we match them.  Previously we "considered"
them half-open because the OS/2 spec had usLowerOpticalPointSize as inclusive
and usUpperOpticalPointSize as exclusive.  But we do not respect that.

Note that the parsing code accepts both anyway, because of the way our sscanf()
usage is written...

Going to use the top bit to query varfonts.

For now, we mark all fonts as non-variable.

This is for clients to passthru font variation settings.  Modeled
similar to FC_FONT_FEATURES.  Each element value is for one axis
settings, eg. "abcd=2.3" where 'abcd' is the OpenType Font Variations
axis tag.

Needs docs update.

Ouch!

Takes the midpoint...

Much simpler now.

Use FcCompareNumber().  The FcCompareSize() returns 0 ("perfect match")
if v2 is zero.  I cannot think of a use-case for this.  The code has been
there from initial commit in 2002.  I suppose back then Keith had a use
for size=0 to mean scalable or something.  Anyway, remove and see.

Commit cc67d7df removed 30-urw-aliases.conf, so don't try to
install it.

  They have become a part of (URW)++ upstream release now:
  https://github.com/ArtifexSoftware/urw-base35-fonts/tree/master/fontconfig

Like FcFreeTypeQuery(), but adds patterns for all fonts found, including named
instances of variable fonts.  If id is -1, then all collection faces are queried.
Returns number of fonts added.

This merges the same face loop that was in fc-query. and fcdir.c.

Needs documentation update.

Results in 5x to 10x speedup in scanning.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=64766

Patch from Jerry Casiano.