ref: 16123dfe932a6d909b3c3efe84877522bebe7559
parent: 4632fccb1b44bef8b3c593a646bd8d50089880dc
author: David Turner <[email protected]>
date: Fri Jan 16 03:46:11 EST 2004
* src/base/ftoutln.c (ft_orientation_extremum_compute): fixing
infinite loop bug !
--- a/src/base/ftoutln.c
+++ b/src/base/ftoutln.c
@@ -358,14 +358,11 @@
source->n_contours != target->n_contours )
return FT_Err_Invalid_Argument;
- FT_ARRAY_COPY( target->points, source->points,
- source->n_points );
+ FT_ARRAY_COPY( target->points, source->points, source->n_points );
- FT_ARRAY_COPY( target->tags, source->tags,
- source->n_points );
+ FT_ARRAY_COPY( target->tags, source->tags, source->n_points );
- FT_ARRAY_COPY( target->contours, source->contours,
- source->n_contours );
+ FT_ARRAY_COPY( target->contours, source->contours, source->n_contours );
/* copy all flags, except the `FT_OUTLINE_OWNER' one */
is_owner = target->flags & FT_OUTLINE_OWNER;
@@ -680,10 +677,12 @@
first = points + extremum->first;
last = points + extremum->last;
+ prev = point;
+ next = point;
+
do
{- prev = ( point == first ) ? last : point - 1;
-
+ prev = ( prev == first ) ? last : prev - 1;
if ( prev == point )
return FT_ORIENTATION_TRUETYPE; /* degenerate case */
@@ -691,8 +690,7 @@
do
{- next = ( point == last ) ? first : point + 1;
-
+ next = ( next == last ) ? first : next + 1;
if ( next == point )
return FT_ORIENTATION_TRUETYPE; /* shouldn't happen */