[Fontconfig-bugs] [Bug 82220] Assertion Failure with certain TrueType fonts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82220

Behdad Esfahbod <freedesktop at behdad.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
                 CC|                            |freedesktop at behdad.org

--- Comment #1 from Behdad Esfahbod <freedesktop at behdad.org> ---
Thanks.

commit 01bb6978b6389852c5259b135af45ecdfe9f42f8
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Wed Aug 6 12:23:24 2014 -0400

    Fix assertion failure

    https://bugs.freedesktop.org/show_bug.cgi?id=82220
    https://bugs.freedesktop.org/show_bug.cgi?id=82228

diff --git a/src/fcweight.c b/src/fcweight.c
index c62f807..313f3f2 100644
--- a/src/fcweight.c
+++ b/src/fcweight.c
@@ -45,7 +45,7 @@ static int lerp(int 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);
+  assert (dx > 0 && dy >= 0 && x1 <= x && x <= x2);
   return y1 + (dy*(x-x1) + dx/2) / dx;
 }

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