src/fcweight.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
New commits:
commit f2d4291d12ca1a2146d90da32a399fffff3e8227
Author: Egmont Koblinger <egmont@xxxxxxxxx>
Date: Wed Jun 19 11:45:05 2019 +0200
Fix the linear interpolation during weight mapping
Fixes https://gitlab.freedesktop.org/fontconfig/fontconfig/issues/164
diff --git a/src/fcweight.c b/src/fcweight.c
index 276b467..224299e 100644
--- a/src/fcweight.c
+++ b/src/fcweight.c
@@ -46,7 +46,7 @@ static double lerp(double x, int x1, int x2, int y1, int y2)
int dx = x2 - x1;
int dy = y2 - y1;
assert (dx > 0 && dy >= 0 && x1 <= x && x <= x2);
- return y1 + (dy*(x-x1) + dx/2) / dx;
+ return y1 + (x-x1) * dy / dx;
}
double
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