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* src/sdf/ftsdf.c (get_min_distance_line): Minor bug

This commit is contained in:
Anuj Verma 2020-07-01 08:36:29 +05:30 committed by anujverma
parent c8e3c5a420
commit 5cbcab183a
2 changed files with 14 additions and 5 deletions
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5
[GSoC]ChangeLog
View File

@ -1,3 +1,8 @@
2020-07-01 Anuj Verma <anujv@iitbhilai.ac.in>
* src/sdf/ftsdf.c (get_min_distance_line): First check
pointer before using or dereferencing them.
2020-06-30 Anuj Verma <anujv@iitbhilai.ac.in>
* src/sdf/ftsdf.c: Avoid parentheses if there is only

14
src/sdf/ftsdf.c
View File

@ -1014,9 +1014,9 @@
FT_Error error = FT_Err_Ok;
const FT_Vector a = line->start_pos;
const FT_Vector b = line->end_pos;
const FT_Vector p = point;
FT_Vector a; /* start position */
FT_Vector b; /* end position */
FT_Vector p; /* current point */
FT_26D6_Vec line_segment; /* `b' - `a'*/
FT_26D6_Vec p_sub_a; /* `p' - `a' */
@ -1025,8 +1025,8 @@
FT_16D16 factor; /* factor of the nearest point */
FT_26D6 cross; /* used to determine sign */
FT_16D16_Vec nearest_point; /* point on the line nearest to `point' */
FT_16D16_Vec nearest_vector; /* `p' - `nearest_point' */
FT_16D16_Vec nearest_point; /* `point_on_line' */
FT_16D16_Vec nearest_vector; /* `p' - `nearest_point' */
if ( !line || !out )
{
@ -1040,6 +1040,10 @@
goto Exit;
}
a = line->start_pos;
b = line->end_pos;
p = point;
line_segment.x = b.x - a.x;
line_segment.y = b.y - a.y;