Alexandre Julliard : gdi32: Skip empty segments at the beginning and end of a line to make sure the caps are correct .
Alexandre Julliard
julliard at winehq.org
Wed Jan 4 13:52:59 CST 2012
Module: wine
Branch: master
Commit: 8b1bab524b4cfe72a6d7eebbe2698626d456ca7b
URL: http://source.winehq.org/git/wine.git/?a=commit;h=8b1bab524b4cfe72a6d7eebbe2698626d456ca7b
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Jan 4 15:10:10 2012 +0100
gdi32: Skip empty segments at the beginning and end of a line to make sure the caps are correct.
---
dlls/gdi32/dibdrv/objects.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/dlls/gdi32/dibdrv/objects.c b/dlls/gdi32/dibdrv/objects.c
index 879d920..9f4f035 100644
--- a/dlls/gdi32/dibdrv/objects.c
+++ b/dlls/gdi32/dibdrv/objects.c
@@ -1334,6 +1334,10 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
assert( total != 0 ); /* wide pens should always be drawn through a region */
assert( num >= 2 );
+ /* skip empty segments */
+ while (num > 2 && pts[0].x == pts[1].x && pts[0].y == pts[1].y) { pts++; num--; }
+ while (num > 2 && pts[num - 1].x == pts[num - 2].x && pts[num - 1].y == pts[num - 2].y) num--;
+
if (pdev->pen_join == PS_JOIN_ROUND || pdev->pen_endcap == PS_ENDCAP_ROUND)
round_cap = CreateEllipticRgn( -(pdev->pen_width / 2), -(pdev->pen_width / 2),
(pdev->pen_width + 1) / 2, (pdev->pen_width + 1) / 2 );
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