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* src/raster/ftraster.c (Draw_Sweep): If span is smaller than one

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pixel, only check for dropouts if neither start nor end point lies
on a pixel center.  This fixes Savannah bug #23762.
This commit is contained in:
Werner Lemberg 2008-07-04 07:22:06 +00:00
parent be54a68c9d
commit 71b8f3f2ed
2 changed files with 11 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-07-04 Werner Lemberg <wl@gnu.org>
* src/raster/ftraster.c (Draw_Sweep): If span is smaller than one
pixel, only check for dropouts if neither start nor end point lies
on a pixel center. This fixes Savannah bug #23762.
2008-06-29 Werner Lemberg <wl@gnu.org>
* Version 2.3.7 released.

9
src/raster/ftraster.c
View File

@ -2867,11 +2867,12 @@ static const char count_table[256] =
x2 = xs;
}
if ( x2 - x1 <= ras.precision )
{
e1 = FLOOR( x1 );
e2 = CEILING( x2 );
e1 = FLOOR( x1 );
e2 = CEILING( x2 );
if ( x2 - x1 <= ras.precision &&
e1 != x1 && e2 != x2 )
{
if ( e1 > e2 || e2 == e1 + ras.precision )
{
if ( ras.dropOutControl != 2 )