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gdi32: Skip empty segments at the beginning and end of a line to make sure the caps are correct.

This commit is contained in:
Alexandre Julliard 2012-01-04 15:10:10 +01:00
parent 5f2371c229
commit 8b1bab524b
1 changed files with 4 additions and 0 deletions
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4
dlls/gdi32/dibdrv/objects.c
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@ -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 );