[Git][freetype/freetype][master] [pshinter] Tune PSH_STRONG_THRESHOLD_MAXIMUM value.

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 00ae29fc
  by Alexei Podtelezhnikov at 2022-02-12T23:42:08-05:00

  [pshinter] Tune PSH_STRONG_THRESHOLD_MAXIMUM value.
  
  Before the change, the hinting engine frequently confused horizontal
  stem and serif hints making some stems too thin and some serifs too
  thick. The value was tuned using serif fonts from the URW+ base 35
  collection.
  
  * src/pshinter/pshalgo.c [PSH_STRONG_THRESHOLD_MAXIMUM]: s/30/12/.
  

1 changed file:

• src/pshinter/pshalgo.c

Changes:

src/pshinter/pshalgo.c

---

...	...	@@ -1548,8 +1548,9 @@
1548	1548	/* the accepted shift for strong points in fractional pixels */
1549	1549	#define PSH_STRONG_THRESHOLD 32
1550	1550
1551		- /* the maximum shift value in font units */
1552		-#define PSH_STRONG_THRESHOLD_MAXIMUM 30
	1551	+ /* the maximum shift value in font units tuned to distinguish */
	1552	+ /* between stems and serifs in URW+ font collection */
	1553	+#define PSH_STRONG_THRESHOLD_MAXIMUM 12
1553	1554
1554	1555
1555	1556	/* find strong points in a glyph */

—
View it on GitLab.
You're receiving this email because of your account on gitlab.freedesktop.org. If you'd like to receive fewer emails, you can adjust your notification settings.