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gdiplus: Implement GdipWidenPath for closed figures.

This commit is contained in:
Vincent Povirk 2012-04-24 16:43:06 -05:00 committed by Alexandre Julliard
parent 930cdab2e9
commit 7b5af23604
1 changed files with 43 additions and 1 deletions
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44
dlls/gdiplus/graphicspath.c
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@ -1739,6 +1739,48 @@ static void widen_open_figure(GpPath *path, GpPen *pen, int start, int end,
(*last_point)->type |= PathPointTypeCloseSubpath; (*last_point)->type |= PathPointTypeCloseSubpath;
} }
static void widen_closed_figure(GpPath *path, GpPen *pen, int start, int end,
path_list_node_t **last_point)
{
int i;
path_list_node_t *prev_point;
if (end <= start+1)
return;
/* left outline */
prev_point = *last_point;
widen_joint(&path->pathdata.Points[end], &path->pathdata.Points[start],
&path->pathdata.Points[start+1], pen, last_point);
for (i=start+1; i<end; i++)
widen_joint(&path->pathdata.Points[i-1], &path->pathdata.Points[i],
&path->pathdata.Points[i+1], pen, last_point);
widen_joint(&path->pathdata.Points[end-1], &path->pathdata.Points[end],
&path->pathdata.Points[start], pen, last_point);
prev_point->next->type = PathPointTypeStart;
(*last_point)->type |= PathPointTypeCloseSubpath;
/* right outline */
prev_point = *last_point;
widen_joint(&path->pathdata.Points[start], &path->pathdata.Points[end],
&path->pathdata.Points[end-1], pen, last_point);
for (i=end-1; i>start; i--)
widen_joint(&path->pathdata.Points[i+1], &path->pathdata.Points[i],
&path->pathdata.Points[i-1], pen, last_point);
widen_joint(&path->pathdata.Points[start+1], &path->pathdata.Points[start],
&path->pathdata.Points[end], pen, last_point);
prev_point->next->type = PathPointTypeStart;
(*last_point)->type |= PathPointTypeCloseSubpath;
}
GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix, GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
REAL flatness) REAL flatness)
{ {
@ -1795,7 +1837,7 @@ GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath) if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath)
{ {
FIXME("closed figures unimplemented\n"); widen_closed_figure(flat_path, pen, subpath_start, i, &last_point);
} }
else if (i == flat_path->pathdata.Count-1 || else if (i == flat_path->pathdata.Count-1 ||
(flat_path->pathdata.Types[i+1]&PathPointTypePathTypeMask) == PathPointTypeStart) (flat_path->pathdata.Types[i+1]&PathPointTypePathTypeMask) == PathPointTypeStart)